180 DEGREES ELECTRON SCATTERING FROM 3HE AND 4HE AT 56 MEV

被引:28
作者
CHERTOK, BT
JONES, EC
BENDEL, WL
FAGG, LW
机构
[1] The American University, Washington
[2] U. S. Naval Research Laboratory, Washington
基金
美国国家科学基金会;
关键词
D O I
10.1103/PhysRevLett.23.34
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The nuclear magnetic structure of He3 has been investigated by 180°scattering of 56.6-MeV electrons. The first observation of the M1 continuum in He3 from 6 to 20 MeV is reported. The M1 component of the breakup from He3(e, e′)d, p together with He3(e, e′)p, p, n has been measured and is discussed in light of possible isovector and isoscalar meson-exchange currents in the trinucleon system. The elastic magnetic form factor of He3 at q=0.561 fm-1 is 0.80, giving a rms magnetic radius a=1.94±0.19 fm. © 1969 The American Physical Society.
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页码:34 / &
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