Specifications for extracting neutron electric polarizability from the total cross sections for Pb-208

被引：0
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作者：
Enik, TL
Mitsyna, LV
Nikolenko, VG
Popov, AB
Samosvat, GS
机构：
来源：
PHYSICS OF ATOMIC NUCLEI | 1997年 / 60卷 / 04期
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O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
A method for determining neutron electric polarizability and the only meaningful result alpha(n) = (1.20 +/- 0.15 +/- 0.20) x 10(-3) fm(3) are analyzed in detail. Since some inexactitudes in obtaining this result are found, the conclusion that its systematic error must be 3-4 times higher is made. A complex method for determining a,, from the total cross section for neutrons scattered by Pb-208 nuclei is proposed. This method involves taking into account both the k(3) term in the cross section (k is neutron wave number) and the negative neutron resonance at -1.91 MeV.
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页码：567 / 570
页数：4
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