Numerical Simulation of the Yield of α Particles and Neutrons from the 11B(p, 3α) and 11B(p, n)11C Nuclear Reactions Induced by Intense Picosecond Laser Radiation

被引：2

作者：

Andreev, S. N. ^{[1
,2
]}

Belyaev, V. S. ^{[3
]}

Matafonov, A. P. ^{[3
]}

Tarakanov, V. P. ^{[4
]}

Zagreev, B., V ^{[3
]}

Krainov, V. P. ^{[5
]}

Mukhanov, S. A. ^{[1
]}

Lobanov, A., V ^{[6
]}

机构：

[1] Moscow Polytech Univ, Moscow 107023, Russia

[2] Moscow State Pedag Univ, Moscow 119991, Russia

[3] Cent Res Inst Machine Bldg TsNIIMASH, Korolev 141070, Moscow Oblast, Russia

[4] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia

[5] Natl Res Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia

[6] Sci Prod Assoc Instrument Engn, Korolev 141070, Moscow Oblast, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2022年 / 135卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

PLASMA; PULSE;

D O I：

10.1134/S1063776122070019

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The yields of alpha particles and neutrons from the promising B-11(p, 3 alpha) fusion reaction and the reference B-11(p, n)C-11 nuclear reaction, respectively, which are induced by intense picosecond laser radiation with an intensity of 2 x 10(18) W/cm(2), have been numerically simulated. The numerical simulation of the interaction of a laser pulse with a primary aluminum target has been carried out in the two-dimensional xz version of the KARAT PIC (particle-in-cell) code in two stages. First, the proton flux from the back side of the Al target on which the laser pulse is incident has been calculated. Second, B-11(p, 3 alpha) and B-11(p, n)C-11 reactions induced by the proton beam in the boron target have been simulated. The calculations have shown that the total yield of alpha particles is N-alpha = 7.2 x 10(8), the number of alpha particles with energies above 0.5 MeV that reach a detector is 2 x 10(7), which is 2.8% of their total yield, and the total yield of neutrons is Y-n = 10(5). The numerical simulation gives the yields of alpha particles and neutrons from the B-11(p, 3 alpha) and B-11(p, n)C-11 reactions per pulse that are in sufficiently good agreement with experimental data.

引用

页码：26 / 34

页数：9

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