First bromine doped cryogenic implosion at the National Ignition Facility

被引：3

作者：

Hayes, A. C. ^{[1
]}

Kyrala, G. ^{[1
]}

Gooden, M. ^{[1
]}

Wilhelmy, J. B. ^{[1
]}

Kot, L. ^{[1
]}

Volegov, P. ^{[1
]}

Wilde, C. ^{[1
]}

Haines, B. ^{[1
]}

Jungman, Gerard ^{[1
]}

Rundberg, R. S. ^{[1
]}

Wilson, D. C. ^{[1
]}

Velsko, C. ^{[2
]}

Cassata, W. ^{[2
]}

Henry, E. ^{[2
]}

Yeamans, C. ^{[2
]}

Cerjan, C. ^{[2
]}

Ma, T. ^{[2
]}

Doppner, T. ^{[2
]}

Nikroo, A. ^{[2
]}

Hurricane, O. ^{[2
]}

Callahan, D. ^{[2
]}

Hinkel, D. ^{[2
]}

Schneider, D. ^{[2
]}

Bachmann, B. ^{[2
]}

Graziani, F. ^{[2
]}

Chen, K. C. ^{[3
]}

Kong, C. ^{[3
]}

Huang, H. ^{[3
]}

Crippen, J. W. ^{[3
]}

Ratledge, M. ^{[3
]}

Rice, N. G. ^{[3
]}

Farrell, M. P. ^{[3
]}

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[2] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA

[3] Gen Atom, San Diego, CA 92121 USA

来源：

PHYSICS OF PLASMAS | 2023年 / 30卷 / 07期

关键词：

All Open Access; Green;

D O I：

10.1063/5.0142596

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We report on the first experiment dedicated to the study of nuclear reactions on dopants in a cryogenic capsule at the National Ignition Facility (NIF). This was accomplished using bromine doping in the inner layers of the CH ablator of a capsule identical to that used in the NIF shot N140520. The capsule was doped with 3 x 10(16) bromine atoms. The doped capsule shot, N170730, resulted in a DT yield that was 2.6 times lower than the undoped equivalent. The Radiochemical Analysis of Gaseous Samples (RAGS) system was used to collect and detect Kr-79 atoms resulting from energetic deuteron and proton ion reactions on Br-79. RAGS was also used to detect N-13 produced dominantly by knock-on deuteron reactions on the C-12 in the ablator. High-energy reaction-in-flight neutrons were detected via the Bi-209(n,4n)Bi-206 reaction, using bismuth activation foils located 50 cm outside of the target capsule. The robustness of the RAGS signals suggests that the use of nuclear reactions on dopants as diagnostics is quite feasible.

引用

页数：7

共 50 条

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