REEVALUATION OF X-RAY ATOMIC ENERGY LEVELS

REEVALUATION OF X-RAY ATOMIC ENERGY LEVELS
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DOI:
10.1103/revmodphys.39.125
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发表时间:
1967-01-01
影响因子:
44.1
通讯作者:
BURR, AF
BURR, AF
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
BEARDEN, JA;BURR, AF

文献摘要

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所有的X射线发射波长最近都被重新评估,并放在一个一致的尺度上。对于大多数元素,这些数据给出了一组高度超定的能级差方程,每种情况下都可以通过最小二乘调整来解决。这个过程使得所有的X射线波长数据得到”最佳”利用,并且还允许计算每个能量差的可能误差。绝对能级的光电子测量比X射线吸收边数据更精确。这些已被用来建立81个元素的绝对标度,并在许多情况下,提供额外的能级差数据。X射线吸收波长用于8种元素,电离测量用于2种元素;其余5种元素通过包含相邻元素能级输出值的莫斯利图进行插值。可能的误差以绝对能量为基础列出。在目前数据的原始来源中,给出了一个以里德伯单位表示的能级表。在伏特,里德伯,和毫波长单位的差异表,与各自的可能误差,也包括在那里。
All of the x-ray emission wavelengths have recently been reevaluated and placed on a consistent Å* scale. For most elements these data give a highly overdetermined set of equations for energy level differences, which have been solved by least-squares adjustment for each case. This procedure makes" best" use of all x-ray wavelength data, and also permits calculation of the probable error for each energy difference. Photoelectron measurements of absolute energy levels are more precise than x-ray absorption edge data. These have been used to establish the absolute scale for eighty-one elements and, in many cases, to provide additional energy level difference data. The x-ray absorption wavelengths were used for eight elements and ionization measurements for two; the remaining five were interpolated by a Moseley diagram involving the output values of energy levels from adjacent elements. Probable errors are listed on an absolute energy basis. In the original source of the present data, a table of energy levels in Rydberg units is given. Difference tables in volts, Rydbergs, and milli-Å* wavelength units, with the respective probable errors, are also included there.