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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/39087


    Title: Measurements of the photoabsorption cross-section of divalent atoms
    Authors: Yih,TS;Wu,HH;Chu,CC;Fung,HS;Lin,YP;Hsu,SJ
    Contributors: 物理研究所
    Keywords: DOUBLY-EXCITED-STATES;NEUTRAL CALCIUM;MG-I;PHOTOIONIZATION;STRONTIUM;MAGNESIUM;PHOTOIONISATION;SPECTRUM;RESONANCES;THRESHOLD
    Date: 1998
    Issue Date: 2010-07-08 14:04:29 (UTC+8)
    Publisher: 中央大學
    Abstract: The photoabsorption cross-sections of magnesium, calcium, strontium, and zinc were measured in the vacuum ultraviolet region by using either the synchrotron radiation source in Hsinchu, Taiwan, Republic of China or a discharge lamp as a continuum background source. Samples were confined within a heatpipe oven, and the atom number densities were determined by the temperature profile distributed along the heatpipe. The relative cross-sectons of the measured autoionization series were in agreement with those reported for thermionic diode measurements, except for certain spectral details. The cross sections at corresponding ionization thresholds were 2.3, 1.2, 4.5, and 0.5 Mb for magnesium, calcium, strontium, and zinc, respectively.
    Relation: JOURNAL OF THE KOREAN PHYSICAL SOCIETY
    Appears in Collections:[物理研究所] 期刊論文

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