The measurement of the 6Li(n, t)4He reaction cross-section in the energy range of 4.25-7.50 MeV

被引：0

作者：

Prusachenko, P. S. ^{[1
]}

Bobrovskiy, T. L. ^{[1
]}

机构：

[1] Inst Phys & Power Engn, Expt Nucl Phys Dept, Bondarenko Sq 1, Obninsk 249033, Russia

来源：

EUROPEAN PHYSICAL JOURNAL A | 2024年 / 60卷 / 01期

关键词：

LI-6(N; ALPHA)H-3; REACTION;

D O I：

10.1140/epja/s10050-024-01236-3

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The measurement of the total cross-section of the Li-6(n,t)He-4 reaction was carried out over the energy range of 4.25-7.50 MeV by a time-of-flight method relative to the cross-section of the 235U fission. The Cs2LiYCl6:Ce based scintillation detector was used as a lithium containing target. The scintillation detector was placed in an axially symmetrical geometry relative to a monitor fission chamber containing( 235)U layers. The pulsed quasi-monoenergetic neutron beam from the( 2)H(d,n)He-3 reaction was used as a neutron source. The total systematic uncertainty in the experiment was 4.6-6.7% with the statistical uncertainty of 2.0-3.7%. The obtained data do not support the evaluated cross-section of the( 6)Li(n,t)He-4 reaction from the ENDF-B/VIII.0 library. At the same time, the average difference between the evaluated cross-section from the JENDL-5.0 library and the experimental data obtained in this work also exceeds the total systematic uncertainty of the measurements.

引用

页数：7

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