PROJECTILE-ENERGY DEPENDENCE OF INTENSITY RATIO OF L-ALPHA TO L-IOTA X-RAYS PRODUCED BY PROTON AND HE-3 IMPACTS ON HO AND SM

被引:32
作者
KAMIYA, M [1 ]
KINEFUCHI, Y [1 ]
ENDO, H [1 ]
KUWAKO, A [1 ]
ISHII, K [1 ]
MORITA, S [1 ]
机构
[1] TOHOKU UNIV,CTR CYCLOTRON & RADIOISOTOPE,SENDAI,MIYAGI 980,JAPAN
来源
PHYSICAL REVIEW A | 1979年 / 20卷 / 05期
关键词
D O I
10.1103/PhysRevA.20.1820
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The L x rays of Ho and Sm produced by proton and He3 impacts were measured with a Si(Li) detector over the incident energy ranges Ep=0.75-4.75 MeV and EHe3=1.5-9.3 MeV in the direction of 90°to the projectile. Ratios of x-ray-production cross sections for the L± and Ll lines depend markedly on projectile energy but are independent of the projectile charge. It is shown that these experimental results are in good agreement with the plane-wave-Born-approximation calculation taking into account the effect of inner-shell alignment. © 1979 The American Physical Society.
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页码:1820 / 1827
页数:8
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