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Cross‐Section Measurements on Radioactive Samples

 

作者: P. E. Koehler,   H. A. O’Brien,  

 

期刊: AIP Conference Proceedings  (AIP Available online 1991)
卷期: Volume 238, issue 1  

页码: 892-899

 

ISSN:0094-243X

 

年代: 1991

 

DOI:10.1063/1.41211

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We have developed a system over the past few years at the Manuel Lujan, Jr. Neutron Scattering Center (LANSCE) for making (n,p) and (n,&agr;) measurements on (mainly) radioactive nuclei. Measurements have included7Be(n,p)7Li,14N(n,p)14C,17O(n,&agr;)14C,22Na(n,p)22Ne,22Na(n,&agr;)19F,35Cl(n,p)35S and36Cl(n,p)36S. The major basic physics motivation for these measurements has been the nuclear astrophysics to be learned. Currently, we are assembling a 4&pgr; detector of barium fluoride (BaF2) for making (n,&ggr;) measurements on radioactive nuclei with relatively short half lives. Once operational, this new detector should allow us to expand our measurements to many more nuclei, and to a broader range of nuclear physics and nuclear astrophysics issues addressed. Results of recent measurements are given and future plans are discussed.

 

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