METHOD FOR MEASURING CYCLOTRON AND SPIN RESONANCE OF FREE ELECTRONS

被引:30
作者
GRAFF, G
MAJOR, FG
ROEDER, RWH
WERTH, G
机构
[1] Physikalisches Institut, Universität Bonn, Bonn
[2] National Aeronautics and Space Administration, Goddard Space Flight Center, Greenbelt, MD
关键词
D O I
10.1103/PhysRevLett.21.340
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The cyclotron and spin resonance of free electrons field confined in a small volume in ultrahigh vacuum have been observed via the rapid loss of electrons when their cyclotron motion is excited by the rf field and spin-dependent collision processes with polarized Na atoms in a beam, respectively. The electrons were polarized by spin exchange and then monitored through the spin dependence of the excitation process e+Na(3S)→e+Na*(3P) and hence of their cooling rate. © 1968 The American Physical Society.
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页码:340 / &
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