Nuclear data verification method and device, electronic equipment and storage medium

Abstract

The application discloses a kind of nuclear data inspection method, device, electronic equipment and storage medium, to solve the problem of not comprehensive, low efficiency of inspection in the evaluation of nuclear data inspection in prior art.The method comprises: obtaining different evaluation nuclear data of the target nuclear element to be inspected, and a plurality of specific energy release experimental values;Unit conversion is carried out on each specific energy release experimental value, and a plurality of specific energy release calibration values are obtained;The specific energy release calculation value of the target nuclear element to be inspected under different evaluation nuclear data is calculated respectively;Draw the nuclear data experimental discrete curve of each specific energy release calibration value with energy variation, and draw the nuclear data calculation discrete curve of each specific energy release calculation value with energy variation;Data comparison is carried out based on nuclear data experimental discrete curve and nuclear data calculation discrete curve, and according to the comparison result, the evaluation nuclear data is inspected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of nuclear data, and particularly relates to a nuclear data verification method and device, an electronic device and a storage medium. BACKGROUND

[0002] Nuclear reaction data, commonly referred to as nuclear data, is data used to describe the interaction of incident particles (such as neutrons, charged particles, and photons) with atomic nuclei. Nuclear data mainly includes reaction cross sections, angular distributions, energy spectra, photon production cross sections, and fission yields. In practical applications, a set of physically self-consistent nuclear databases can be formed by using relevant physical experimental measurement data and combining theoretical model calculations. As an important basic input parameter for nuclear science basic research, nuclear energy development, and nuclear technology application, the accuracy of nuclear data is crucial, and it directly affects the reliability of subsequent results. Therefore, it is necessary to conduct overall verification on the current evaluated nuclear database to ensure its quality and for subsequent improvement.

[0003] Currently, researchers usually use internationally published integral experiments such as critical benchmarks or shielding benchmarks to macroscopically verify the existing evaluated nuclear data (database). The main theoretical calculation methods include the deterministic method and the Monte Carlo method.

[0004] Although these methods can provide relatively accurate simulation results, the computational burden is large, and they often need to be solved on supercomputers, requiring certain time and monetary costs, and the verification efficiency is relatively low. In addition, conventional reactor calculations are only sensitive to nuclear reactions induced by neutrons with energies less than 20 MeV, and only to some important nuclides, making it difficult to meet the demand for verification of nuclear data for all nuclides, and the verification is not comprehensive enough. Therefore, the existing verification technology still needs to be improved and developed. SUMMARY

[0005] The present application provides a nuclear data verification method, device, electronic device and storage medium, which is used to solve or partially solve the problem of incomplete evaluation of nuclear data verification and low verification efficiency in the prior art.

[0006] The present application provides a nuclear data verification method, which comprises:

[0007] Obtaining different evaluation nuclear data of a target nuclear element to be verified and a plurality of specific kinetic energy release experimental values;

[0008] Converting the units of each specific kinetic energy release experimental value to obtain a plurality of specific kinetic energy release calibration values;

[0009] Calculating the specific kinetic energy release calculated values of the target nuclear element to be verified under the different evaluation nuclear data, respectively;

[0010] plotting each of the experimental discrete curves of the specific kinetic energy versus energy, and plotting each of the calculated discrete curves of the specific kinetic energy versus energy;

[0011] performing data comparison based on each of the experimental discrete curves of the nuclear data and each of the calculated discrete curves of the nuclear data, and verifying and evaluating the nuclear data according to a result of the comparison.

[0012] Optionally, the experimental value of the specific kinetic energy is converted into a unit to obtain the specific kinetic energy verification value by using the following formula:

[0013]

[0014] wherein, the specific kinetic energy unit of the experimental value of the specific kinetic energy; the specific kinetic energy unit commonly used in the nuclear data; A is the mass number of the target nucleus; f represents a quantity unit of 10 -15 ; k represents a quantity unit of kilo.

[0015] Optionally, the calculating the calculated value of the specific kinetic energy of the target nuclear element to be verified under the different evaluation nuclear data respectively comprises:

[0016] calculating the specific kinetic energy nuclear reaction calculated value of the target nuclear element to be verified under different nuclear reactions for each of the evaluation nuclear data;

[0017] obtaining the calculated value of the specific kinetic energy of the target nuclear element to be verified under the evaluation nuclear data according to each of the specific kinetic energy nuclear reaction calculated values.

[0018] Optionally, for the nuclear reaction i, the specific kinetic energy nuclear reaction calculated value of the target nuclear element to be verified under the nuclear reaction i is calculated according to the law of conservation of energy by using the following formula:

[0019]

[0020] wherein, E is the incident particle energy; the specific kinetic energy nuclear reaction calculated value of the target nuclear element to be verified under the nuclear reaction i; the reaction energy; and the total average energy of the outgoing neutron and the outgoing photon in the nuclear reaction i, respectively; the nuclear reaction cross section.

[0021] Optionally, for the nuclear reaction i, the specific kinetic energy nuclear reaction calculated value of the target nuclear element to be verified under the nuclear reaction i is calculated according to the law of conservation of energy by using the following formula:

[0022]

[0023] wherein E is the incident particle energy; is the calculated value of the specific kinetic energy release nuclear reaction of the target nuclear element to be verified under the nuclear reaction i; and are the average energies of the recoil nucleus and the charged particle, respectively; is the nuclear reaction cross section.

[0024] Optionally, the obtaining of the calculated value of the specific kinetic energy release of the target nuclear element to be verified under the evaluation nuclear data according to each of the calculated values of the specific kinetic energy release nuclear reaction comprises:

[0025] The sum of each of the calculated values of the specific kinetic energy release nuclear reaction is obtained to obtain the calculated value of the specific kinetic energy release of the target nuclear element to be verified under the evaluation nuclear data, and the calculation formula is as follows:

[0026]

[0027] wherein, is the calculated value of the specific kinetic energy release obtained by summation.

[0028] The application further provides a nuclear data verification device, comprising:

[0029] a data acquisition module, configured to acquire different evaluation nuclear data of a target nuclear element to be verified and a plurality of experimental values of specific kinetic energy release;

[0030] a unit conversion module, configured to convert the units of each of the experimental values of specific kinetic energy release to obtain a plurality of calibration values of specific kinetic energy release;

[0031] a calculated value of specific kinetic energy release calculation module, configured to calculate the calculated value of specific kinetic energy release of the target nuclear element to be verified under each of the different evaluation nuclear data;

[0032] a discrete curve drawing module, configured to draw a nuclear data experimental discrete curve of each of the calibration values of specific kinetic energy release varying with energy and draw a nuclear data calculated discrete curve of each of the calculated values of specific kinetic energy release varying with energy;

[0033] a data comparison module, configured to compare data based on each of the nuclear data experimental discrete curves and each of the nuclear data calculated discrete curves, and verify the evaluation nuclear data according to the comparison result.

[0034] The application further provides an electronic device, which comprises a processor and a memory:

[0035] The memory is configured to store program code and transmit the program code to the processor;

[0036] The processor is configured to execute the nuclear data verification method according to the instructions in the program code.

[0037] The application further provides a computer readable storage medium for storing program codes for executing the nuclear data verification method according to any one of the above.

[0038] From the above technical solutions, the application has the following advantages:

[0039] A method for verifying and evaluating nuclear data by means of specific kinetic energy experimental data is provided: different evaluation nuclear data of a target nuclear element to be verified and a plurality of specific kinetic energy experimental values are obtained; unit conversion is performed on each specific kinetic energy experimental value to obtain a plurality of specific kinetic energy calibration values; specific kinetic energy calculation values of the target nuclear element to be verified under different evaluation nuclear data are calculated; a nuclear data experimental discrete curve of each specific kinetic energy calibration value changing with energy is drawn, and a nuclear data calculation discrete curve of each specific kinetic energy calculation value changing with energy is drawn; data comparison is performed based on each nuclear data experimental discrete curve and each nuclear data calculation discrete curve, and the evaluation nuclear data is verified according to the comparison result. Compared with the existing verification method, the nuclear data with deviation is determined by comparing the specific kinetic energy theoretical calculation result with the existing experimental data, which can effectively broaden the energy verification interval, can verify the nuclear reaction data when the energy interval is more than 20 MeV, and even the nuclides which are not sensitive in the reactor physics calculation can also realize more detailed data comparison, so that not only the accuracy and universality of the nuclear data verification can be improved, but also the verification efficiency can be improved and the verification cost can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0040] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0041] Figure 1 A step flow chart of a nuclear data verification method;

[0042] Figure 2 A schematic diagram of the overall flow of a nuclear data verification method;

[0043] Figure 3 A specific kinetic energy experimental value and calculation value comparison diagram of a natural element Mg; 16 O;

[0044] Figure 4 A specific kinetic energy experimental value and calculation value comparison diagram of a natural element Mg;

[0045] Figure 5A structure block diagram of a nuclear data verification device. DETAILED DESCRIPTION

[0046] Embodiments of the present application provide a nuclear data verification method and device, electronic equipment and storage medium, which are used to solve or partially solve the problems of incomplete evaluation of nuclear data verification and low verification efficiency in the prior art.

[0047] To make the purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the embodiments described below are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0048] As an example, for nuclear data verification, researchers usually use the integral experiments of the internationally published critical benchmark or shielding benchmark to perform macroscopic verification on the existing evaluation nuclear database. The main theoretical calculation methods include the deterministic method and the Monte Carlo method.

[0049] Although these methods can provide relatively accurate simulation results, the calculation burden is large, and the solution often needs to be performed on a supercomputer, which requires a certain time and money cost, and the verification efficiency is relatively low. In addition, the conventional reactor calculation is only sensitive to the nuclear reactions induced by neutrons with an energy less than 20 MeV, and only to part of the data of some important nuclides, which is difficult to meet the demand of nuclear data verification for all nuclides, and the verification is not comprehensive enough. Therefore, the existing verification technology still needs to be improved and developed.

[0050] Through research and analysis, in nuclear medical treatment, the kinetic energy release in materials (KERMA) is a key parameter for estimating the absorbed dose of a patient. It represents the sum of the initial kinetic energy of all charged particles produced by uncharged particles in a volume element divided by the mass of the material, with a unit of Gray. In addition, the KERMA (also known as the KERMA factor) is also an important response function for calculating the heat release of the internal components of a reactor, which is usually calculated based on the evaluation nuclear database by NJOY (a widely used multi-purpose nuclear data processing program in the field of nuclear engineering) or other nuclear data processing programs. In recent years, thanks to the rapid development of computing power and algorithm evolution, the main source of calculation error is the original evaluation nuclear database.

[0051] Based on this, one of the core points of the embodiment of the present application is to provide a method for testing and evaluating nuclear data by means of specific kinetic energy experimental data. Based on specific kinetic energy calculation, the specific kinetic energy experimental data is converted into the commonly used unit in reactor physics calculation, and at the same time, the specific kinetic energy calculation value corresponding to the evaluation nuclear data is calculated through the theoretical model. By drawing the calculation discrete curve, the experimental value discrete curve and comparing the data points, the nuclear data with large deviation is tested. Compared with the existing testing method, the nuclear data with deviation is determined by comparing the specific kinetic energy theoretical calculation result with the existing experimental data, which can effectively broaden the energy test interval, can test the nuclear reaction data when the energy interval is more than 20 MeV, even for the nuclides which are not sensitive in reactor physics calculation, more detailed data comparison can be realized, so that not only the accuracy and universality of nuclear data testing can be improved, but also the testing efficiency can be improved and the testing cost can be reduced.

[0052] Reference Figure 1 , a step flow chart of a nuclear data testing method provided by the embodiment of the present application is shown, which can specifically include the following steps:

[0053] Step 101, obtaining different evaluation nuclear data of a target nuclear element to be tested and a plurality of specific kinetic energy experimental values;

[0054] When it is necessary to test the nuclear data, a plurality of evaluation nuclear data (corresponding to different evaluation nuclear databases) of a target nuclear element to be tested (such as 16 O) can be obtained, and the specific kinetic energy rate constant (i.e. the specific kinetic energy experimental value) of the target nuclear element to be tested obtained through the related experiment is integrated to convert the unit from the original to the commonly used in nuclear data.

[0055] Step 102, unit conversion is performed on each of the specific kinetic energy experimental values to obtain a plurality of specific kinetic energy calibration values;

[0056] Specifically, the specific kinetic energy experimental value can be unit-converted to obtain the specific kinetic energy calibration value by the following formula:

[0057]

[0058] Wherein, is the specific kinetic energy unit of the specific kinetic energy experimental value; is the commonly used specific kinetic energy unit in nuclear data; A is the target nuclear mass number; f represents the quantity unit 10 -15 ; k represents the quantity unit kilo.

[0059] Step 103, calculating the specific kinetic energy calculation value of the target nuclear element to be tested under the different evaluation nuclear data respectively;

[0060] In this step, the specific value of the specific energy release of the target nucleus to be tested under the evaluation nuclear data is calculated based on the evaluation nuclear data by NJOY or other nuclear data processing code. It can be understood that the specific value of the specific energy release under multiple evaluation nuclear data can be calculated at the same time to realize the test of multiple evaluation nuclear data.

[0061] In a specific implementation, the specific value of the specific energy release of the target nucleus to be tested under different evaluation nuclear data can be calculated as follows: for each evaluation nuclear data, the specific energy release nuclear reaction calculation value of the target nucleus to be tested under different nuclear reactions is calculated; and the specific energy release calculation value of the target nucleus to be tested under the evaluation nuclear database is obtained according to the specific energy release nuclear reaction calculation values.

[0062] Further, the specific energy release calculation value can be calculated by the following two ways based on the actual situation.

[0063] Method one: for nuclear reaction i, the specific energy release nuclear reaction calculation value of the target nucleus to be tested under nuclear reaction i is calculated by the following formula according to the law of conservation of energy:

[0064]

[0065] wherein E is the incident particle energy; is the specific energy release nuclear reaction calculation value of the target nucleus to be tested under nuclear reaction i; is the reaction energy; and are the total average energy of the outgoing neutron and the outgoing photon in nuclear reaction i, respectively; is the nuclear reaction cross section.

[0066] Method two: for nuclear reaction i, the specific energy release nuclear reaction calculation value of the target nucleus to be tested under nuclear reaction i is calculated by the following formula according to the law of conservation of energy:

[0067]

[0068] wherein, and are the average energy of the recoil nucleus and the charged particle, respectively.

[0069] The two formulas in method one and method two are equivalent and can be derived from each other.

[0070] It should be noted that both methods can calculate the specific energy release nuclear reaction calculation value. When the nuclear database contains all the data required by method one or method two, the specific energy release nuclear reaction calculation value can be calculated by method one or method two. If some data in method one or method two is missing, the average recoil nucleus energy (recoil energy expectation value) is calculated by momentum conservation, and then the specific energy release nuclear reaction calculation value is calculated based on the average recoil nucleus energy.

[0071] For the special case of missing part of the data in mode one or mode two, specifically, taking the neutron elastic scattering (MT2) as an example, the expected value of the recoil energy The calculation formula is as follows:

[0072]

[0073] In the formula, is the average scattering angle cosine value in the center of mass system, which can be read from file 4 in the evaluation nuclear database.

[0074] In this special case, since there is no charged particle exit, the specific energy release nuclear reaction calculation value of the target nuclear element under nuclear reaction i to be tested is as follows:

[0075]

[0076] After obtaining the specific energy release nuclear reaction calculation value of each nuclear reaction, the total specific energy release calculation value based on nuclear data calculation is the sum of the contributions of all nuclear reactions.

[0077] Specifically, according to each specific energy release nuclear reaction calculation value, the specific energy release calculation value of the target nuclear element under the evaluation nuclear data to be tested can be obtained, which can be:

[0078] According to the summation of each specific energy release nuclear reaction calculation value, the specific energy release calculation value of the target nuclear element under the evaluation nuclear data to be tested is obtained, and the calculation formula is as follows:

[0079]

[0080] Wherein, is the specific energy release calculation value obtained by summation.

[0081] Step 104, draw a nuclear data experimental discrete curve of each said specific energy release calibration value varying with energy, and draw a nuclear data calculation discrete curve of each said specific energy release calculation value varying with energy;

[0082] Then the discrete curves of the experimental and calculated values of the specific energy release varying with energy can be drawn. The discrete curves are composed of a plurality of different discrete data points. Thus, by visually comparing the numerical deviation between the experimental value points and the evaluation nuclear data calculation value discrete curves, the nuclear data that may have deviations can be identified.

[0083] Step 105, based on each said nuclear data experimental discrete curve and each said nuclear data calculation discrete curve, data comparison is performed, and according to the comparison result, the evaluation nuclear data is tested.

[0084] Finally, based on the drawn discrete curve, the specific data points are compared intuitively, and the nuclear data calculation discrete curve deviating from the nuclear data experimental points is identified. Under the same energy change condition, when the nuclear data calculation discrete curve deviates greatly from the nuclear data experimental points or the numerical difference is large, it is determined that the evaluation nuclear data corresponding to the nuclear data calculation discrete curve needs to be reexamined.

[0085] In the embodiment of the present application, a method for testing and evaluating nuclear data by means of specific kinetic energy experimental data is provided. Based on specific kinetic energy calculation, the specific kinetic energy experimental data is converted into the commonly used unit in reactor physics calculation, and at the same time, the specific kinetic energy calculation value corresponding to the evaluation nuclear data is calculated through a theoretical model. By drawing the calculation discrete curve, the experimental value discrete curve and comparing the data points, the nuclear data with large deviation is tested, so as to further determine the evaluation nuclear data that needs to be reexamined. Compared with the existing testing method, by comparing the specific kinetic energy theoretical calculation result with the existing experimental data to determine the nuclear data with deviation, the energy testing interval can be effectively widened, the nuclear reaction data in the energy interval exceeding 20 MeV can be tested, even the nuclides insensitive in reactor physics calculation can also realize more detailed data comparison, so as to not only improve the accuracy and universality of nuclear data testing, but also help to improve the testing efficiency and reduce the testing cost.

[0086] For better illustration, refer to Figure 2 , which shows the overall flowchart of the nuclear data testing method provided by the embodiment of the present application. It should be pointed out that the embodiment only briefly illustrates the general flow of nuclear data testing, and the specific implementation process of each step can be understood by referring to the related contents in the foregoing embodiments, which will not be described here again. It can be understood that the present application does not limit this.

[0087] Step one, obtaining different evaluation nuclear data and different specific kinetic energy experimental data to be tested;

[0088] Obtain different evaluation nuclear data of the target nuclear element to be tested. Obtain different specific kinetic energy rate experimental data of the target nuclear element to be tested by consulting and arranging related experiments (new experiments can also be carried out).

[0089] Step two, unit conversion is performed on the specific kinetic energy experimental data to obtain specific kinetic energy calibration data; the specific kinetic energy calculation value is obtained by using NJOY or other nuclear data processing code;

[0090] According to unit conversion, the unit of the specific kinetic energy experimental value is converted into the commonly used unit in nuclear data, which is recorded as the specific kinetic energy calibration value .

[0091] Using NJOY or other nuclear data processing codes, and in conjunction with the corresponding specific kinetic energy calculation formula, the specific kinetic energy values ​​of the target nuclear element to be tested under different evaluation nuclear data are obtained based on each evaluation nuclear data, denoted as... .

[0092] Step 3: Plot the discrete curves of calculated and verification values ​​as a function of energy;

[0093] Draw each one separately and various Discrete curves showing changes with energy.

[0094] Step 4: Examine the nuclear data for any discrepancies.

[0095] By comparing data points using pre-drawn discrete curves, we can intuitively identify and verify kernel data that may have biases, and determine the kernel data with biases as evaluation kernel data that needs to be re-examined.

[0096] To verify the effectiveness of this invention in evaluating nuclear data, different evaluation nuclear databases were used. 16 Take the verification of the nuclear data of natural elements O and Mg as an example.

[0097] Obtained by organizing relevant literature 16 Experimental data on the specific kinetic energy of natural elements O and Mg were obtained, and unit conversions were performed. Based on the theoretical model, calculated values ​​of specific kinetic energy for different evaluation kernel datasets (libraries) were derived using NJOY. Discrete curves of experimental and calculated values ​​as a function of energy were plotted, and data comparisons were performed. 16 The comparison results of experimental and calculated values ​​of the specific kerma energy of O are as follows: Figure 3 The comparison results of experimental and calculated values ​​of the specific kerma energy of the natural element Mg are shown below. Figure 4 As shown.

[0098] In this system, the horizontal axis represents energy, the vertical axis represents the kerma factor, and the discrete curve represents the change of kerma factor with energy. CENDL-3.2, ENDF / B-Ⅶ.1, ENDF / B-Ⅷ.0, JEFF-3.1.1, JEFF-3.3, JENDL-4.0u, and JENDL-5.0 correspond to different evaluation kernel databases. Figure 3 The corresponding representations of Schrewe (2000) and Benck (1999) are as follows. 16 Experimental data on the specific kinetic energy of O. Figure 4 The corresponding experimental data for the specific kerma of native Mg are presented by UJSchrewe (2000) and G. Buehler (1986).

[0099] Based on the comparison results, for 16O, in the energy interval greater than 30 MeV, JENDL-5.0 is higher in the degree of fitting with the energy variation trend of the experimental data, and the rest of the nuclear data needs to be reexamined. For Mg natural elements, in the energy interval greater than 10 MeV, CENDL-3.2 database has the largest deviation, indicating that further examination is needed.

[0100] Referring to Figure 5 , a structure block diagram of a nuclear data verification device provided by an embodiment of the present application is shown, which can specifically include:

[0101] The data acquisition module 501 is configured to acquire different evaluation nuclear data of a target nuclear element to be verified and a plurality of specific kinetic energy release experimental values.

[0102] The unit conversion module 502 is configured to convert the units of the specific kinetic energy release experimental values to obtain a plurality of specific kinetic energy release verification values.

[0103] The specific kinetic energy release calculation value calculation module 503 is configured to calculate the specific kinetic energy release calculation values of the target nuclear element to be verified under the different evaluation nuclear data respectively.

[0104] The discrete curve drawing module 504 is configured to draw a nuclear data experimental discrete curve of each specific kinetic energy release verification value varying with energy and draw a nuclear data calculation discrete curve of each specific kinetic energy release calculation value varying with energy.

[0105] The data comparison module 505 is configured to compare data based on each of the nuclear data experimental discrete curves and each of the nuclear data calculation discrete curves, and verify the evaluation nuclear data according to the comparison result.

[0106] In an optional embodiment, the unit conversion module 502 is specifically configured to:

[0107] The specific kinetic energy release experimental values are converted by the following formula to obtain specific kinetic energy release verification values:

[0108]

[0109] wherein, is the specific kinetic energy release unit of the specific kinetic energy release experimental value; is the specific kinetic energy release unit commonly used in nuclear data; f represents the quantity unit 10 -15 ; A is the target nuclear mass number; k represents the quantity unit kilo.

[0110] In an optional embodiment, the specific kinetic energy release calculation value calculation module 503 includes:

[0111] The specific kinetic energy release nuclear reaction calculation value calculation module is configured to calculate the specific kinetic energy release nuclear reaction calculation values of the target nuclear element to be verified under different nuclear reactions for each of the evaluation nuclear data.

[0112] The specific sub-module for calculating the calculated value of the specific energy deposition is configured to obtain the calculated value of the specific energy deposition of the target nuclear element to be tested under the evaluated nuclear data according to each of the calculated values of the specific energy deposition of the nuclear reaction.

[0113] In an optional embodiment, the specific sub-module for calculating the calculated value of the specific energy deposition is specifically configured to:

[0114] For the nuclear reaction i, the calculated value of the specific energy deposition of the target nuclear element to be tested under the nuclear reaction i is calculated according to the law of conservation of energy by the following formula:

[0115]

[0116] wherein E is the incident particle energy; is the calculated value of the specific energy deposition of the target nuclear element to be tested under the nuclear reaction i; is the reaction energy; and are the total average energies of the outgoing neutrons and the outgoing photons in the nuclear reaction i, respectively; is the nuclear reaction cross section.

[0117] In an optional embodiment, the specific sub-module for calculating the calculated value of the specific energy deposition is specifically configured to:

[0118] For the nuclear reaction i, the calculated value of the specific energy deposition of the target nuclear element to be tested under the nuclear reaction i is calculated according to the law of conservation of energy by the following formula:

[0119]

[0120] wherein E is the incident particle energy; is the calculated value of the specific energy deposition of the target nuclear element to be tested under the nuclear reaction i; and are the average energies of the recoil nucleus and the charged particle, respectively; is the nuclear reaction cross section.

[0121] In an optional embodiment, the specific sub-module for calculating the calculated value of the specific energy deposition is specifically configured to:

[0122] The calculated value of the specific energy deposition of the target nuclear element to be tested under the evaluated nuclear data is obtained by summing each of the calculated values of the specific energy deposition of the nuclear reaction, and the calculation formula is as follows:

[0123]

[0124] wherein is the calculated value of the specific energy deposition obtained by summation.

[0125] For the device embodiment, it is basically similar to the method embodiment, so it is described simply, and the relevant part can refer to the foregoing method embodiment.

[0126] The embodiment of the present application further provides an electronic device, which comprises a processor and a memory:

[0127] The memory is used for storing program code and transmitting the program code to the processor.

[0128] The processor is used for executing the nuclear data verification method of any embodiment of the present application according to the instructions in the program code.

[0129] The embodiment of the present application further provides a computer readable storage medium, which is used for storing program code, and the program code is used for executing the nuclear data verification method of any embodiment of the present application.

[0130] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the system, device and unit described above can refer to the corresponding process in the foregoing method embodiment, and will not be repeated here.

[0131] In the several embodiments of the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the device embodiments described above are only schematic. The division of the units is only a logical function division. There can be another division manner for actual implementation. For example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections between the units can be indirect couplings or communication connections through some interfaces, devices or units, and can be electrical, mechanical or in other forms.

[0132] The units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, that is, they can be located in one place, or can be distributed on a plurality of network units. According to actual needs, some or all of the units can be selected to achieve the purpose of the embodiment.

[0133] In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware, or in the form of software functional unit.

[0134] The integrated unit, if implemented in the form of a software function unit and sold or used as an independent product, can be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application, essentially or in other words, the part that contributes to the prior art or the whole or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium, and includes several instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and various media that can store program codes.

[0135] The above-described and above-mentioned embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A method for verifying nuclear data, characterized in that, The nuclear data includes reaction cross-section, angular distribution, energy spectrum, photon generation cross-section, and fission yield; the method includes: Acquire different evaluation nuclei data of the target nuclei to be tested, as well as multiple experimental values ​​of specific kinetic energy; The experimental values ​​of specific kinetic energy are converted to units to obtain multiple specific kinetic energy verification values; Calculate the specific kinetic energy of the target element under different evaluation nuclear data; Plot the nuclear data experimental discrete curve of each specific kinetic energy verification value as a function of energy, and plot the nuclear data calculation discrete curve of each specific kinetic energy calculated value as a function of energy. Data comparison is performed based on the experimental discrete curves and calculated discrete curves of each nuclear data, and the nuclear data are evaluated based on the comparison results. The specific kinetic energy experimental value is converted to units using the following formula to obtain the specific kinetic energy verification value: ； In the formula, The unit of kerma is the experimental value of kerma. A is the unit of kerma commonly used in nuclear data; A is the target nucleus mass number; f represents the quantity unit 10. -15 ;k represents the quantity unit thousand; The calculation of the specific kinetic energy of the target nucleus element under different evaluation nucleus data includes: For each of the evaluation nuclei, calculate the specific kinetic energy nuclear reaction value of the target nuclei element under different nuclear reactions; Based on the calculated values ​​of each specific kinetic energy nuclear reaction, the calculated specific kinetic energy value of the target nucleus element to be tested under the evaluation nucleus data is obtained.

2. The nuclear data verification method according to claim 1, characterized in that, For nuclear reaction i, according to the law of conservation of energy, the specific kinetic energy of the target nucleus under nuclear reaction i is calculated using the following formula: ； Where E is the energy of the incident particle; The calculated value of the kerma energy of the target nucleus element under nuclear reaction i; It is the reaction energy; and These are the total average energies of the emitted neutrons and emitted photons in nuclear reaction i, respectively. This is the cross section of the nuclear reaction.

3. The nuclear data verification method according to claim 1, characterized in that, For nuclear reaction i, according to the law of conservation of energy, the specific kinetic energy of the target nucleus under nuclear reaction i is calculated using the following formula: ； Where E is the energy of the incident particle; The calculated value of the kerma energy of the target nucleus element under nuclear reaction i; and These are the average energies of the recoil nucleus and the charged particle, respectively. This is the cross section of the nuclear reaction.

4. The nuclear data verification method according to claim 2 or 3, characterized in that, The step of obtaining the calculated specific kinetic energy value of the target nucleus element under the evaluation nuclear data based on the calculated specific kinetic energy nuclear reaction values ​​includes: The calculated values ​​of the specific kinetic energy nuclear reactions for each of the aforementioned nuclear reactions are summed to obtain the specific kinetic energy value of the target element to be tested under the evaluation nuclear data. The calculation formula is as follows: ； in, This is the calculated value of kerma obtained by summation.

5. A nuclear data verification device, characterized in that, The nuclear data includes reaction cross-section, angular distribution, energy spectrum, photon generation cross-section, and fission yield; the device includes: The data acquisition module is used to acquire different evaluation nuclei data of the target nuclei element to be tested, as well as multiple kerma experimental values; The unit conversion module is used to convert the various specific kinetic energy experimental values ​​into units to obtain multiple specific kinetic energy verification values. The specific kinetic energy calculation module is used to calculate the specific kinetic energy of the target element to be tested under different evaluation data. The discrete curve plotting module is used to plot the nuclear data experimental discrete curve of each specific kinetic energy verification value as a function of energy, and to plot the nuclear data calculation discrete curve of each specific kinetic energy calculated value as a function of energy. The data comparison module is used to compare data based on the experimental discrete curves of each nuclear data and the calculated discrete curves of each nuclear data, and to evaluate the nuclear data based on the comparison results. The unit conversion module is used to convert the experimental value of kerma energy into units using the following formula to obtain the kerma energy verification value: ； In the formula, The unit of kerma is the experimental value of kerma. A is the unit of kerma commonly used in nuclear data; A is the target nucleus mass number; f represents the quantity unit 10. -15 ;k represents the quantity unit thousand; The specific kinetic energy calculation module includes: The specific kinetic energy nuclear reaction calculation module is used to calculate the specific kinetic energy nuclear reaction calculation value of the target nuclear element under different nuclear reactions for each of the evaluation nuclear data; The specific kinetic energy calculation submodule is used to obtain the specific kinetic energy calculation value of the target nucleus element under the evaluation nucleus data based on the specific kinetic energy nuclear reaction calculation values ​​of each of the aforementioned specific kinetic energy values.

6. An electronic device, characterized in that, The device includes a processor and a memory: The memory is used to store program code and transmit the program code to the processor; The processor is configured to execute the nuclear data verification method according to any one of claims 1-4 according to the instructions in the program code.

7. A computer-readable storage medium, characterized in that, The computer-readable storage medium is used to store program code for performing the nuclear data verification method according to any one of claims 1-4.

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