Measurement of the B 10 (α,n0) 13 N cross section for 2.2<Eα<4.9 MeV and its application as a diagnostic at the National Ignition Facility

Q. Liu; M. Febbraro; R. J. Deboer; A. Boeltzig; Y. Chen; C. Cerjan; M. Couder; B. Frentz; J. Görres; E. A. Henry; E. Lamere; K. T. Macon; K. V. Manukyan; L. Morales; P. D. O'Malley; S. D. Pain; W. A. Peters; D. Schneider; C. Seymour; G. Seymour; E. Temanson; R. Toomey; B. Vande Kolk; J. Weaver; M. Wiescher

doi:10.1103/PhysRevC.100.034601

Measurement of the B 10 (α,n0) 13 N cross section for 2.2<Eα<4.9 MeV and its application as a diagnostic at the National Ignition Facility

Q. Liu, M. Febbraro, R. J. Deboer, A. Boeltzig, Y. Chen, C. Cerjan, M. Couder, B. Frentz, J. Görres, E. A. Henry, E. Lamere, K. T. Macon, K. V. Manukyan, L. Morales, P. D. O'Malley, S. D. Pain, W. A. Peters, D. Schneider, C. Seymour, G. SeymourE. Temanson, R. Toomey, B. Vande Kolk, J. Weaver, M. Wiescher

Nuclear Structure and Nuclear Astrophysi

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

The National Ignition Facility (NIF) provides the opportunity to study nuclear reactions under controlled conditions at high temperatures and pressures at a level never before achieved. However, the timescale of the deuterium-tritium (DT) implosion is only a few nanoseconds, making data collection and diagnostics very challenging. One method that has been proposed for obtaining additional information about the conditions of the implosion is to activate a dopant material using the α particles produced from the DT fuel as a diagnostic. The yield of the activated material can give a measure of the mixing that occurs in the capsule. One of the reactions that has been proposed is B10(α,n)N13 as it produces a radioactive reactant product with a convenient half-life of ≈10min. Although this reaction has several advantages for the application at hand, it has not seen much study in the present literature, resulting in large uncertainties in the cross section. Furthermore, for the current application, the cross section must be well characterized. With this motivation, the B10(α,n)N13 cross section has been remeasured for 2.2<Eα<4.9MeV with the angle-integrated ground-state cross section reported for the first time. The present results, combined with previous measurements, allow for a determination of the cross section to a significantly higher degree of accuracy and precision than obtained previously and are shown to be consistent with thick-target measurements. Preliminary calculations are performed to test the feasibility of this reaction as a diagnostic for a NIF implosion.

Original language	English
Article number	034601
Journal	Physical Review C
Volume	100
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.100.034601
State	Published - Sep 3 2019

Funding

This research utilized resources from the Notre Dame Center for Research Computing and was supported by the National Science Foundation through Grants No. PHY-1713857 and No. NSF-PHY-1404218 (Rutgers) and the Joint Institute for Nuclear Astrophysics through Grants No. PHY-0822648 and No. PHY-1430152 (JINA Center for the Evolution of the Elements). This material was based upon work supported by the US Department of Energy, Office of Science, Office of Nuclear Physics, under Award No. DE-AC05-00OR22725. Also supported, in part, by the US Department of Energy National Nuclear Security Administration Stewardship Science Academic Alliances under cooperative Agreement No. DE-NA0002132 (Rutgers). Research at LLNL is performed under the auspices of Lawrence Livermore National Security, LLC, Contract No. DE-AC52-07NA27344. The authors would like to thank the NIST Center for Neutron Research for their technical support. Partial funding for this research was provided by the U.S. National Research Council. Trade names and commercial products are identified in this paper to specify the experimental procedures in adequate detail. This identification does not imply recommendation or endorsement by the authors or by the National Institute of Standards and Technology, nor does it imply that the products identified are necessarily the best available for the purpose. Contributions of the National Institute of Standards and Technology are not subject to copyright. This research utilized resources from the Notre Dame Center for Research Computing and was supported by the National Science Foundation through Grants No. PHY-1713857 and No. NSF-PHY-1404218 (Rutgers) and the Joint Institute for Nuclear Astrophysics through Grants No. PHY-0822648 and No. PHY-1430152 (JINA Center for the Evolution of the Elements). This material was based upon work supported by the US Department of Energy, Office of Science, Office of Nuclear Physics, under Award No. DE-AC05-00OR22725. Also supported, in part, by the US Department of Energy National Nuclear Security Administration Stewardship Science Academic Alliances under cooperative Agreement No. DE-NA0002132 (Rutgers). Research at LLNL is performed under the auspices of Lawrence Livermore National Security, LLC, Contract No. DE-AC52-07NA27344. The authors would like to thank the NIST Center for Neutron Research for their technical support. Partial funding for this research was provided by the U.S. National Research Council. Trade names and commercial products are identified in this paper to specify the experimental procedures in adequate detail. This identification does not imply recommendation or endorsement by the authors or by the National Institute of Standards and Technology, nor does it imply that the products identified are necessarily the best available for the purpose. Contributions of the National Institute of Standards and Technology are not subject to copyright.

Funders	Funder number
Joint Institute for Nuclear Astrophysics	PHY-1430152
Office of Nuclear Physics	DE-AC05-00OR22725
U.S. National Research Council
US Department of Energy
US Department of Energy National Nuclear Security Administration Stewardship Science Academic Alliances	DE-AC52-07NA27344, DE-NA0002132
National Science Foundation	NSF-PHY-1404218, PHY-1713857, PHY-0822648, 1812316
National Institute of Standards and Technology
Office of Science

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10.1103/PhysRevC.100.034601

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Liu, Q., Febbraro, M., Deboer, R. J., Boeltzig, A., Chen, Y., Cerjan, C., Couder, M., Frentz, B., Görres, J., Henry, E. A., Lamere, E., Macon, K. T., Manukyan, K. V., Morales, L., O'Malley, P. D., Pain, S. D., Peters, W. A., Schneider, D., Seymour, C., ... Wiescher, M. (2019). Measurement of the B 10 (α,n0) 13 N cross section for 2.2<Eα<4.9 MeV and its application as a diagnostic at the National Ignition Facility. Physical Review C, 100(3), Article 034601. https://doi.org/10.1103/PhysRevC.100.034601

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title = "Measurement of the B 10 (α,n0) 13 N cross section for 2.2<Eα<4.9 MeV and its application as a diagnostic at the National Ignition Facility",

abstract = "The National Ignition Facility (NIF) provides the opportunity to study nuclear reactions under controlled conditions at high temperatures and pressures at a level never before achieved. However, the timescale of the deuterium-tritium (DT) implosion is only a few nanoseconds, making data collection and diagnostics very challenging. One method that has been proposed for obtaining additional information about the conditions of the implosion is to activate a dopant material using the α particles produced from the DT fuel as a diagnostic. The yield of the activated material can give a measure of the mixing that occurs in the capsule. One of the reactions that has been proposed is B10(α,n)N13 as it produces a radioactive reactant product with a convenient half-life of ≈10min. Although this reaction has several advantages for the application at hand, it has not seen much study in the present literature, resulting in large uncertainties in the cross section. Furthermore, for the current application, the cross section must be well characterized. With this motivation, the B10(α,n)N13 cross section has been remeasured for 2.2",

author = "Q. Liu and M. Febbraro and Deboer, {R. J.} and A. Boeltzig and Y. Chen and C. Cerjan and M. Couder and B. Frentz and J. G{\"o}rres and Henry, {E. A.} and E. Lamere and Macon, {K. T.} and Manukyan, {K. V.} and L. Morales and O'Malley, {P. D.} and Pain, {S. D.} and Peters, {W. A.} and D. Schneider and C. Seymour and G. Seymour and E. Temanson and R. Toomey and {Vande Kolk}, B. and J. Weaver and M. Wiescher",

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year = "2019",

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doi = "10.1103/PhysRevC.100.034601",

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Liu, Q, Febbraro, M, Deboer, RJ, Boeltzig, A, Chen, Y, Cerjan, C, Couder, M, Frentz, B, Görres, J, Henry, EA, Lamere, E, Macon, KT, Manukyan, KV, Morales, L, O'Malley, PD, Pain, SD, Peters, WA, Schneider, D, Seymour, C, Seymour, G, Temanson, E, Toomey, R, Vande Kolk, B, Weaver, J & Wiescher, M 2019, 'Measurement of the B 10 (α,n0) 13 N cross section for 2.2<Eα<4.9 MeV and its application as a diagnostic at the National Ignition Facility', Physical Review C, vol. 100, no. 3, 034601. https://doi.org/10.1103/PhysRevC.100.034601

TY - JOUR

T1 - Measurement of the B 10 (α,n0) 13 N cross section for 2.2<Eα<4.9 MeV and its application as a diagnostic at the National Ignition Facility

AU - Liu, Q.

AU - Febbraro, M.

AU - Deboer, R. J.

AU - Boeltzig, A.

AU - Chen, Y.

AU - Cerjan, C.

AU - Couder, M.

AU - Frentz, B.

AU - Görres, J.

AU - Henry, E. A.

AU - Lamere, E.

AU - Macon, K. T.

AU - Manukyan, K. V.

AU - Morales, L.

AU - O'Malley, P. D.

AU - Pain, S. D.

AU - Peters, W. A.

AU - Schneider, D.

AU - Seymour, C.

AU - Seymour, G.

AU - Temanson, E.

AU - Toomey, R.

AU - Vande Kolk, B.

AU - Weaver, J.

AU - Wiescher, M.

PY - 2019/9/3

Y1 - 2019/9/3

N2 - The National Ignition Facility (NIF) provides the opportunity to study nuclear reactions under controlled conditions at high temperatures and pressures at a level never before achieved. However, the timescale of the deuterium-tritium (DT) implosion is only a few nanoseconds, making data collection and diagnostics very challenging. One method that has been proposed for obtaining additional information about the conditions of the implosion is to activate a dopant material using the α particles produced from the DT fuel as a diagnostic. The yield of the activated material can give a measure of the mixing that occurs in the capsule. One of the reactions that has been proposed is B10(α,n)N13 as it produces a radioactive reactant product with a convenient half-life of ≈10min. Although this reaction has several advantages for the application at hand, it has not seen much study in the present literature, resulting in large uncertainties in the cross section. Furthermore, for the current application, the cross section must be well characterized. With this motivation, the B10(α,n)N13 cross section has been remeasured for 2.2

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ER -

Measurement of the B 10 (α,n0) 13 N cross section for 2.2<Eα<4.9 MeV and its application as a diagnostic at the National Ignition Facility

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