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首页> 外文期刊>Journal of Electron Spectroscopy and Related Phenomena >The effect of an external magnetic field on the L subshell X-ray fluorescence cross sections and L subshell fluorescence yields in elements 73 <= Z <= 92 by 59.54 keV photons
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The effect of an external magnetic field on the L subshell X-ray fluorescence cross sections and L subshell fluorescence yields in elements 73 <= Z <= 92 by 59.54 keV photons

机译：在L子壳X射线荧光截面和L子壳荧光产生元件73 <= <= 92的L子壳X射线荧光截面上的影响59.54keV光子

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摘要

Li (i = 1, 2 and 3) X-ray fluorescence cross sections for Ta, W, Au, Hg, Tl, Ph, Bi, Th and U have been measured using the 59.54 keV incident photons energy in the external magnetic field of intensity +0.60T. The values of L-i subshell fluorescence yields (w(1), w(2) and w(3)) have been measured for the same elements using the previously measured cross section values and the theoretical L-i subshell photoionisation cross sections, Coster-Kronig transition probabilities and emission rates. It is observed that the measured L-i subshell X-ray fluorescence cross section and L-i subshell fluorescence yield values for B = 0 are in good agreement with the theoretical ones evaluated using L-i subshell fluorescence yield and L-i subshell photoionization cross section. Furthermore, the results show that the atomic parameters such as spectral linewidth, radiation rates, photoionization cross section and fluorescence yield can change when the irradiation is conducted in a magnetic field. (c) 2007 Elsevier B.V. All rights reserved.
机译：Li（I = 1,2和3）用于Ta，W，Au，Hg，T1，pH，Bi，Th和U的X射线荧光横截面已经使用外部磁场中的59.54kev入射光能量测量强度+ 0.60t。使用先前测量的横截面值和理论Li子壳光激酶横截面，Coster-Kronig过渡的相同元件测量了Li子壳荧光产率（W（1），W（2）和W（3））的值。概率和排放率。观察到，B = 0的测量的L-1子壳X射线荧光截面和L-1子壳荧光屈服值与使用L-I子晶体荧光产率和L-I子壳光离子偶联截面评估的理论值非常一致。此外，结果表明，当在磁场中进行照射时，原子参数如诸如光谱线宽，辐射率，光相横截面和荧光率可以改变。 （c）2007 Elsevier B.v.保留所有权利。

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