Incoherent scattering of 137Cs gamma rays in the rare earth elements Nd, Sm, Gd, Dy, Er and Yb

Krishnaveni, S. and Shivalinge Gowda and Yashoda, T. and Umesh, T. K. and Ramakrishna Gowda (2005) Incoherent scattering of 137Cs gamma rays in the rare earth elements Nd, Sm, Gd, Dy, Er and Yb. Radiation Physics and Chemistry, 74 (1). 1 - 6. ISSN 0969-806X

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Official URL: https://doi.org/10.1016/j.radphyschem.2005.05.004

Abstract

The differential incoherent scattering cross sections for 661.6keV photons have been measured with an HPGe detector in the momentum range 4⩽x⩽46Å-1 for the rare earth elements Nd, Sm, Gd, Dy, Er and Yb. The incoherent scattering functions were evaluated from the measured cross sections and compared with the NRHF values of Hubbel et al. 1975, J. Phys. Chem. Ref. Data 4, 471, the recent DHFR values of Kahane 1998, At. Data Nucl. Data Tables 68, 323 and other measured values. The present experimental values are systematically lower than the theoretical predictions, but show a good agreement within the experimental errors except for the momentum transfers of 30.59, 34.29 and 37.72Å−1 for Nd, 43.69Å−1 for Gd and 22.54 and 26.66Å−1 for Dy, which show deviations at the two sigma level.

Item Type: Article
Uncontrolled Keywords: Compton scattering, Incoherent scattering cross sections, Incoherent scattering functions
Subjects: D Physical Science > Physics
Divisions: Department of > Physics
Depositing User: manjula User
Date Deposited: 05 Sep 2019 07:17
Last Modified: 05 Sep 2019 07:17
URI: http://eprints.uni-mysore.ac.in/id/eprint/7621

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