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Cross-section fluctuations of the (d, p) and (d, α) reactions on31P nucleus at 150°

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Acta Physica Academiae Scientiarum Hungaricae

Abstract

The yield curves of the (d, p) and (d, α) reactions on31P nucleus are measured in 10 keV steps from 2.000 up to 2.500 MeV deuteron energy. The analysis of the measured cross-section fluctuations is carried out in terms of theEricson theory of statistical fluctuations. The average coherence width Γ obtained amounts to 20±5 keV for the33S compound nucleus at an energy of excitation of 17.396 MeV, yielding a life time τ=3.0×10−20 sec. The absence of correlation between the different emitted groups and channels of decay of the33S compound nucleus is confirmed. Probability distribution of the cross section around their average is found to obey aX 2-distribution with 2N degrees of freedom (withN the effective channel number).

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Authors and Affiliations

  1. Physics Department, Faculty of Science, Cairo University, Cairo, Giza, Egypt

    O. E. Badawy

  2. Physics Department, Atomic Energy Commission Are, Cairo, Egypt

    A. A. El-Sourogy

Authors
  1. O. E. Badawy
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  2. A. A. El-Sourogy
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Badawy, O.E., El-Sourogy, A.A. Cross-section fluctuations of the (d, p) and (d, α) reactions on31P nucleus at 150°. Acta Physica 42, 343–352 (1977). https://doi.org/10.1007/BF03157209

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  • DOI: https://doi.org/10.1007/BF03157209

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