On alpha-particle transport in inertial fusion

Zylstra, A. B.; Hurricane, O. A.

doi:10.1063/1.5101074

Title: On alpha-particle transport in inertial fusion

Journal Article · 03 June 2019 · Physics of Plasmas

DOI: https://doi.org/10.1063/1.5101074 · OSTI ID:1729742

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Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Analytical theory and models of inertial fusion implosion use parameterized microphysics models. In this paper, we consider the DT alpha-particle transport, and report new parameterizations of the range, heating efficacy, and energy partition using modern stopping-power theory. Here, our resulting heating efficacy is lower than previously published results, which reduces the temperature and pressure generated by a dynamic implosion hot-spot evolution model, and shifts the burning-plasma regime boundary slightly farther from current experimental results.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1729742

Alternate ID(s):: OSTI ID: 1524124

Report Number(s):: LLNL-JRNL-771721; 962924; TRN: US2205123

Journal Information:: Physics of Plasmas, Vol. 26, Issue 6; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Modified parameterization of the Li-Petrasso charged-particle stopping power theory Zylstra, A. B.; Rinderknecht, H. G.; Frenje, J. A. Physics of Plasmas, Vol. 26, Issue 12 https://doi.org/10.1063/1.5114637	journal	December 2019
A quasi-monoenergetic short time duration compact proton source for probing high energy density states of matter Apiñaniz, J. I.; Malko, S.; Fedosejevs, R. Scientific Reports, Vol. 11, Issue 1 https://doi.org/10.1038/s41598-021-86234-x	journal	March 2021

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