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Nonlocality in Deuteron Stripping Reactions

Timofeyuk, Natalia and Johnson, Ronald (2013) Nonlocality in Deuteron Stripping Reactions PHYSICAL REVIEW LETTERS, 110 (11), ARTN 1.

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We propose a new method for the analysis of deuteron stripping reactions, A(d,p)B, in which the nonlocality of nucleon-nucleus interactions and three-body degrees of freedom are accounted for in a consistent way. The model deals with equivalent local nucleon potentials taken at an energy shifted by ∼40  MeV from the “Ed/2” value frequently used in the analysis of experimental data, where Ed is the incident deuteron energy. The “Ed/2” rule lies at the heart of all three-body analyses of (d, p) reactions performed so far with the aim of obtaining nuclear structure properties such as spectroscopic factors and asymptotic normalization coefficients that are crucial for our understanding of nuclear shell evolution in neutron- and proton-rich regions of the nuclear periodic table and for predicting the cross sections of stellar reactions. The large predicted shift arises from the large relative kinetic energy of the neutron and proton in the incident deuteron in those components of the n+p+A wave function that dominate the (d, p) reaction amplitude. The large shift reduces the effective d−A potentials and leads to a change in predicted (d, p) cross sections, thus affecting the interpretation of these reactions in terms of nuclear structure.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
Date : 12 March 2013
DOI : 10.1103/PhysRevLett.110.112501
Copyright Disclaimer : © 2013 American Physical Society
Uncontrolled Keywords : Science & Technology, Physical Sciences, Physics, Multidisciplinary, Physics, PHYSICS, MULTIDISCIPLINARY, POTENTIAL MODEL, SCATTERING, CHANNELS
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 26 Nov 2013 09:47
Last Modified : 16 Jan 2019 16:49

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