INTEGRAL TESTS OF NEUTRON-ACTIVATION CROSS-SECTIONS IN A BE-9(D,N) FIELD AT ED = 40 MEV

被引：15

作者：

GREENWOOD, LR ^{[1
]}

HEINRICH, RR ^{[1
]}

SALTMARSH, MJ ^{[1
]}

FULMER, CB ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB,OAK RIDGE,TN 37830

来源：

NUCLEAR SCIENCE AND ENGINEERING | 1979年 / 72卷 / 02期

关键词：

ACCELERATORS; CYCLOTRON - Colliding Beam;

D O I：

10.13182/NSE79-A19462

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Neutron activation measurements are reported for 44 reactions from 14 materials irradiated in a well-characterized neutron field produced by 40-MeV deuterons impinging on **9Be at the Oak Ridge Isochronous Cyclotron. Foil packets were located at 0 and 15 deg to the beam at 7. 62 cm from the source, and additional foil materials were located directly on the deuteron beam stop 6. 25 mm from the source. Integral tests were made for 30 reactions using previously measured time-of-flight (TOF) spectra and neutron cross sections, primarily from ENDF/B-IV, extrapolated to 44 MeV. The integral results are excellent, with an overall standard deviation of plus or minus 11% for 25 recommended reactions and neutron spectra unfolded with the SAND II code show excellent agreement with TOF measurements.

引用

页码：175 / 190

页数：16

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