NUCLEAR RESONANT SCATTERING OF SYNCHROTRON-RADIATION BY GASEOUS KRYPTON

被引：25
|
作者：
BARON, AQR
CHUMAKOV, AI
RUBY, SL
ARTHUR, J
BROWN, GS
SMIRNOV, GV
VANBURCK, U
机构：
[1] EUROPEAN SYNCHROTRON RADIAT FACIL,F-38043 GRENOBLE,FRANCE
[2] UNIV CALIF SANTA CRUZ,DEPT PHYS,SANTA CRUZ,CA 95064
[3] RUSSIAN RES CTR,KURCHATOV INST,MOSCOW 123182,RUSSIA
[4] TECH UNIV MUNICH,DEPT PHYS,D-85747 GARCHING,GERMANY
来源：
PHYSICAL REVIEW B | 1995年 / 51卷 / 22期
关键词：
D O I：
10.1103/PhysRevB.51.16384
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have observed scattering of synchrotron radiation by the 9.4-keV nuclear resonance of gaseous Kr83. In a gas, there is no recoilless absorption (no Mössbauer effect). A cell of krypton gas (natural abundance, 12% Kr83) was placed after a Si(111) monochromator. Incoherent resonant nuclear scattering, 0.3 cts/s, was separated from nonresonant electronic scattering, 7×107 cts/s, using the time resolution of an avalanche diode detector. The resonance energy was found to be 9403.5±1.8 eV. The time dependence of the scattered radiation agrees with a previous measurement of the excited-state lifetime. © 1995 The American Physical Society.
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页码：16384 / 16387
页数：4
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