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Title: IRDFF-II: A New Neutron Metrology Library

Abstract

High quality nuclear data is the most fundamental underpinning for all neutron metrology applications. This paper describes the release of version II of the International Reactor Dosimetry and Fusion File (IRDFF-II) that contains a consistent set of nuclear data for fission and fusion neutron metrology applications up to 60 MeV neutron energy. The library is intended to support: a) applications in research reactors; b) safety and regulatory applications in the nuclear power generation in commercial fission reactors; and c) material damage studies in support of the research and development of advanced fusion concepts. The paper describes the contents of the library, documents the thorough verification process used in its preparation, and provides an extensive set of validation data gathered from a wide range of neutron benchmark fields. The new IRDFF-II library includes 119 metrology reactions, four cover material reactions to support self-shielding corrections, five metrology metrics used by the dosimetry community, and cumulative fission products yields for seven fission products in three different neutron energy regions. In support of characterizing the measurement of the residual nuclei from the dosimetry reactions and the fission product decay modes, the present document lists the recommended decay data, particle emission energies and probabilities formore » 68 activation products. It also includes neutron spectral characterization data for 29 neutron benchmark fields for the validation of the library contents. Additional six reference fields were assessed (four from plutonium critical assemblies, two measured fields for thermal-neutron induced fission on 233U and 239Pu targets) but not used for validation due to systematic discrepancies in C/E reaction rate values or lack of reaction-rate experimental data. Another ten analytical functions are included that can be useful for calculating average cross sections, average energy, thermal spectrum average cross sections and resonance integrals. The IRDFF-II library and comprehensive documentation is available online at www-nds.iaea.org/IRDFF/. Evaluated cross sections can be compared with experimental data and other evaluations at www-nds.iaea.org/exfor/endf.htm. The new library is expected to become the international reference in neutron metrology for multiple applications.« less

Authors:
 [1];  [2];  [3];  [4];  [5];  [1];  [6];  [7];  [8];  [9];  [10];  [11];  [12];  [13];  [14];  [1];  [15];  [14];  [11];  [12] more »;  [15];  [13]; ORCiD logo [9];  [16] « less
  1. International Atomic Energy Agency (IAEA), Vienna (Austria)
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  3. Karlsruhe Inst. of Technology (KIT) (Germany)
  4. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  5. Leypunsky Inst. of Physics and Power Engineering (IPPE), Obninsk (Russian Federation)
  6. Agencia de Energia Nuclear y Tecnologías de Avanzada, La Habana (Cuba)
  7. V.G. Khlopin Radium Inst., Saint Petersburg (Russia)
  8. CEA Cadarache, St. Paul Lez Durance (France)
  9. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  10. Japan Atomic Energy Agency (JAEA), Oarai (Japan)
  11. Research Centre Rez (Czech Republic)
  12. Czech Academy of Sciences (Czech Republic). Nuclear Physics Inst.
  13. SCK CEN, Mol (Belgium)
  14. National Inst. for Quantum Radiological Science and Technology (Japan)
  15. Jozef Stefan Inst. (IJS), Ljubljana (Slovenia)
  16. Kyoto Univ., Kyoto (Japan). Inst. for Integrated Radiation and Nuclear Science
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP)
OSTI Identifier:
1597370
Alternate Identifier(s):
OSTI ID: 1772021
Report Number(s):
LA-UR-19-31647; SAND-2021-2725J
Journal ID: ISSN 0090-3752; TRN: US2103105
Grant/Contract Number:  
89233218CNA000001; NA0003525; AC04-94AL85000
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Data Sheets
Additional Journal Information:
Journal Volume: 163; Journal Issue: C; Journal ID: ISSN 0090-3752
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Trkov, A., Griffin, Patrick, Simakov, S., Greenwood, Lawrence, Zolotarev, Konstantin, Capote, Roberto, Aldama, D.L., Chechev, V., Destouches, C., Kahler, Albert Comstock III, Konno, C., Kostal, M., Majerle, M., Malambu, E., Ohta, M., Pronyaev, V. G., Radulovic, V., Sato, S., Schulc, M., Simeckova, E., Vavtar, I., Wagemans, J., White, Morgan Curtis, and Yashima, H. IRDFF-II: A New Neutron Metrology Library. United States: N. p., 2020. Web. doi:10.1016/j.nds.2019.12.001.
Trkov, A., Griffin, Patrick, Simakov, S., Greenwood, Lawrence, Zolotarev, Konstantin, Capote, Roberto, Aldama, D.L., Chechev, V., Destouches, C., Kahler, Albert Comstock III, Konno, C., Kostal, M., Majerle, M., Malambu, E., Ohta, M., Pronyaev, V. G., Radulovic, V., Sato, S., Schulc, M., Simeckova, E., Vavtar, I., Wagemans, J., White, Morgan Curtis, & Yashima, H. IRDFF-II: A New Neutron Metrology Library. United States. https://doi.org/10.1016/j.nds.2019.12.001
Trkov, A., Griffin, Patrick, Simakov, S., Greenwood, Lawrence, Zolotarev, Konstantin, Capote, Roberto, Aldama, D.L., Chechev, V., Destouches, C., Kahler, Albert Comstock III, Konno, C., Kostal, M., Majerle, M., Malambu, E., Ohta, M., Pronyaev, V. G., Radulovic, V., Sato, S., Schulc, M., Simeckova, E., Vavtar, I., Wagemans, J., White, Morgan Curtis, and Yashima, H. Mon . "IRDFF-II: A New Neutron Metrology Library". United States. https://doi.org/10.1016/j.nds.2019.12.001. https://www.osti.gov/servlets/purl/1597370.
@article{osti_1597370,
title = {IRDFF-II: A New Neutron Metrology Library},
author = {Trkov, A. and Griffin, Patrick and Simakov, S. and Greenwood, Lawrence and Zolotarev, Konstantin and Capote, Roberto and Aldama, D.L. and Chechev, V. and Destouches, C. and Kahler, Albert Comstock III and Konno, C. and Kostal, M. and Majerle, M. and Malambu, E. and Ohta, M. and Pronyaev, V. G. and Radulovic, V. and Sato, S. and Schulc, M. and Simeckova, E. and Vavtar, I. and Wagemans, J. and White, Morgan Curtis and Yashima, H.},
abstractNote = {High quality nuclear data is the most fundamental underpinning for all neutron metrology applications. This paper describes the release of version II of the International Reactor Dosimetry and Fusion File (IRDFF-II) that contains a consistent set of nuclear data for fission and fusion neutron metrology applications up to 60 MeV neutron energy. The library is intended to support: a) applications in research reactors; b) safety and regulatory applications in the nuclear power generation in commercial fission reactors; and c) material damage studies in support of the research and development of advanced fusion concepts. The paper describes the contents of the library, documents the thorough verification process used in its preparation, and provides an extensive set of validation data gathered from a wide range of neutron benchmark fields. The new IRDFF-II library includes 119 metrology reactions, four cover material reactions to support self-shielding corrections, five metrology metrics used by the dosimetry community, and cumulative fission products yields for seven fission products in three different neutron energy regions. In support of characterizing the measurement of the residual nuclei from the dosimetry reactions and the fission product decay modes, the present document lists the recommended decay data, particle emission energies and probabilities for 68 activation products. It also includes neutron spectral characterization data for 29 neutron benchmark fields for the validation of the library contents. Additional six reference fields were assessed (four from plutonium critical assemblies, two measured fields for thermal-neutron induced fission on 233U and 239Pu targets) but not used for validation due to systematic discrepancies in C/E reaction rate values or lack of reaction-rate experimental data. Another ten analytical functions are included that can be useful for calculating average cross sections, average energy, thermal spectrum average cross sections and resonance integrals. The IRDFF-II library and comprehensive documentation is available online at www-nds.iaea.org/IRDFF/. Evaluated cross sections can be compared with experimental data and other evaluations at www-nds.iaea.org/exfor/endf.htm. The new library is expected to become the international reference in neutron metrology for multiple applications.},
doi = {10.1016/j.nds.2019.12.001},
journal = {Nuclear Data Sheets},
number = C,
volume = 163,
place = {United States},
year = {Mon Jan 27 00:00:00 EST 2020},
month = {Mon Jan 27 00:00:00 EST 2020}
}

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