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Pairing effect on spectral statistics of even and odd mass nuclei

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Abstract

The interplay of pairing is explored for the spectral statistics of nuclear systems with emphasis on the nearest neighbor spacing distributions by employing the kernel density and maximum-likelihood estimation techniques. Different sequences prepared by all the available empirical data for low-lying energy levels of even- and odd-mass nuclei in the \(34 \le A < 206\) mass region. A deviation to more regular dynamics is apparent for even-mass nuclei in comparison to the odd-mass ones, and there are suggestions of the effects due to unclosed proton shells on more chaotic dynamics.

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Authors and Affiliations

  1. Department of Nuclear Physics, University of Tabriz, 51664, Tabriz, Iran

    H. Sabri, B. Rashidian Maleki, J. Fouladi & N. Fouladi

  2. Department of Theoretical Physics and Astrophysics, University of Tabriz, 51664, Tabriz, Iran

    M. A. Jafarizadeh

  3. Research Institute for Fundamental Sciences, 51664, Tabriz, Iran

    M. A. Jafarizadeh

Authors
  1. H. Sabri
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  2. B. Rashidian Maleki
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  3. J. Fouladi
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  4. N. Fouladi
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  5. M. A. Jafarizadeh
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Correspondence to H. Sabri.

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Sabri, H., Maleki, B.R., Fouladi, J. et al. Pairing effect on spectral statistics of even and odd mass nuclei. Eur. Phys. J. Plus 128, 64 (2013). https://doi.org/10.1140/epjp/i2013-13064-6

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  • DOI: https://doi.org/10.1140/epjp/i2013-13064-6

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