Incoherent scattering functions of 145 keV gamma rays by K-shell electrons in Y,Ag and Au |
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| Authors: | A Raghava Rao SS Ramana Reddy K Premchand K L Narasimham K Parthasaradhi V Lakshminarayana |
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| Institution: | (1) Laboratories for Nuclear Research, Andhra University, 530 003 Waltair, India;(2) Cyclotron Institute, Texas A & M University, Texas, USA;(3) Physics Department, National University of Singapore, Singapore |
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| Abstract: | The values of incoherent scattering functions are determined experimentally for 145 keV gamma rays in elements Au, Ag and
Y at scattering angles 40°, 70° and 100°, using a x-ray gamma coincidence technique. The corresponding theoretical values
are obtained from the tabulations of Hubbellet al, and computed from the models of Jauch and Rohrlich and Shimizuet al. A comparison between the theoretical and experimental results showed that the non-relativistic approach adopted in the theory
of Shimizuet al is inapplicable to the present cases. A gross agreement is noticed between the present experimental results and the other
theoretical values. |
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| Keywords: | Incoherent scattering function relative photopeak efficiency x-ray-gamma ray coincidence |
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