CONVERSION COEFFICIENTS AND FLUORESCENCE YIELDS AT DECAY OF HG199M

被引:11
作者
KLOPPENBURG, J
机构
来源
ZEITSCHRIFT FUR PHYSIK | 1969年 / 225卷 / 04期
关键词
D O I
10.1007/BF01395016
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Hg199m was produced by bombarding natural HgO with fast neutrons. The conversion electrons of the cascade decay were investigated with Si(Li)-counters. By application of the summing technique the conversion coefficients and L-shell fluorescence yields of Hg were determined. The gamma rays were studied with a Ge(Li)-counter. The following results were obtained: half-life T1/2=(42.6± 0.2) min; energies of the transitions Eγ1=(374.1± 0.1) keV, Eγ1=(158.3± 0.1)keV; intensity ratio of the gamma rays Iγ(158 keV):Iγ(374keV)=(424± 42):100; conversion coefficients αK158=0.30± 0.03, αtotal158=0.94± 0.09, αK158/αLM...158=0.47± 0.02, αL158/αM...158=3.10± 0.16;αK374=3.51± 0.28,αtotal1374=6.19±0.47,αK374/αLM...374=1.32±0.04, αL374/αM...374=2.14±0.11;L-shell fluorescence yields {Mathematical expression}=0.40± 0.04, ωKL=0.41±0.04. © 1969 Springer-Verlag.
引用
收藏
页码:364 / +
页数:1
相关论文
共 38 条
[1]  
ABRAMS I, 1966, AKAD VESTIS FIZ USSR, V6, P3
[2]   TRANSITIONS IN HG-199 FOLLOWING THE DECAY OF AU-199 [J].
BACKSTROM, G ;
BERGMAN, O ;
BURDE, J .
NUCLEAR PHYSICS, 1958, 7 (03) :263-275
[3]   MASS ASSIGNMENT OF THE 43-MINUTE HG ISOMER [J].
BERGSTROM, I ;
THULIN, S .
PHYSICAL REVIEW, 1949, 76 (02) :313-314
[4]  
BOGDANOVIC M, 1968, NUCL PHYS A, VA106, P209
[5]  
BOLOTIN HH, 1955, PHYS REV, V99, P671
[6]   ELECTRON AND PHOTON EXCITATION OF NUCLEAR ISOMERS [J].
BOOTH, EC ;
BROWNSON, J .
NUCLEAR PHYSICS A, 1967, A 98 (03) :529-&
[7]   RADIOACTIVITY IN NEUTRON ACTIVATED PLATINUM [J].
CORK, JM ;
LEBLANC, JM ;
STUMPF, FB ;
NESTER, WH .
PHYSICAL REVIEW, 1952, 86 (03) :415-416
[8]   INTERNAL CONVERSION COEFFICIENTS OF M1 GAMMA-RAYS OF AU199 AND AU195 [J].
CRESSMAN, PJ ;
WILKINSON, RG .
PHYSICAL REVIEW, 1958, 109 (03) :872-878
[9]  
DESHALIT A, 1952, HELV PHYS ACTA, V25, P279
[10]   ABSOLUTE AND RELATIVE CONVERSION DETERMINATIONS OF PURE E2 TRANSITIONS OCCURRING IN HG-198, HG-199, PT-194 AND PT-196 [J].
DEVRIES, C ;
BLEEKER, EJ ;
SALOMONSGROBBEN, N .
NUCLEAR PHYSICS, 1960, 18 (03) :454-472