Cross section for the subthreshold fission of 236U

被引：7

作者：

Alekseev, A. A. ^{[1
]}

Bergman, A. A. ^{[1
]}

Berlev, A. I. ^{[1
]}

Koptelov, E. A. ^{[1
]}

Samylin, B. F. ^{[1
]}

Trufanov, A. M. ^{[1
]}

Fursov, B. I. ^{[1
]}

Shorin, V. S. ^{[1
]}

机构：

[1] Inst Phys & Power Engn, Obninsk 249020, Kaluga Oblast, Russia

来源：

PHYSICS OF ATOMIC NUCLEI | 2008年 / 71卷 / 08期

关键词：

25.85.Ec;

D O I：

10.1134/S1063778808080048

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 cross section for (236)U fission in the neutron-energy range E(n) = 0.001-20 keV was measured by using the INR RAS (Institute of Nuclear Research, Russian Academy of Sciences, Moscow) LSDS-100 neutron spectrometer of the lead slowing-down spectrometer type. The resonance fission areas of the resonances at 5.45 eV and 1.28 keV were found, and the fission widths of these resonances were evaluated. The cross section for the (238)U(n, f) fission process was measured, and the threshold sensitivity of the LSDS-100 to small values of fission cross sections was estimated. The well-known intermediate structure in the cross section for the neutron-induced subbarrier fission of (236)U was confirmed.

引用

页码：1351 / 1360

页数：10

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