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An analytical formula for proton momentum distribution in nuclei with A>4

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Published: Dec 5, 2019
DOI: https://doi.org/10.12681/hnps.2194
G. S. Anagnostatos
Institute of Nuclear Physics, NCSR "Demokritos"
A. N. Antonov
Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences
J. Giapitzakis
University of Ρatras, School of Engineering
P. Ginis
University of Ρ atras, School of Engineering
S. E. Massen
Department of Theoretical Physics, University of Thessaloniki
M. K. Gaidarov
Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences
Abstract

A successful analytical formula for the proton momentum distribution in all nuclei with A>4 accounting for nucleon-nucleon correlation effects, is presented. In this formula the Isomorphic Shell Model wave functions are employed, which are readily available for all nuclei all the way up to 2 0 8Pb. However, other wave functions (e.g., shell model or Hartree-Fock) could be used with almost equivalent results. Available experimental data for 4He, 1 2C and 5 6Fe and predictions of other theories, e.g., for 4 0Ca, are used for comparison of the predictions of the present formula. A reservation is kept concerning the validity of this formula for the momentum distribution of exotic nuclei.

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