The elementary p(p,p'π^{+})n reaction

Details The elementary p(p,p'π^{+})n reaction The elementary p(p,p'π^{+})n reaction

1998-06-24

arxiv.org/abs/nucl-th/9806077v1

Phys.Rev.C58:1614-1617,1998; Erratum-ibid.C61:049902,2000

Physics

Nuclear Physics

Nuclear Theory

11 pages latex, 5 figures as seperate post-script files; accepted for publication in Physical Review C (1998)

Scientific paper

10.1103/PhysRevC.58.1614

A detailed study of the elementary p(p,p$'\pi^{+}$)n reaction is presented using the delta isobar model. In this model, in the first step one of the two protons in the initial state gets excited to $\Delta $. This, in the second step, decays into a nucleon and a pion. For the $pp \to N\Delta$ step the parametrized form of the DWBA t-matrix of Jain and Santra, which reproduces most of the available data on $pp \to n\Delta^{++}$, is used. The cross-sections studied include the outgoing proton momentum spectra in coincidence with the pion, the outgoing pion momentum spectra and the integrated total cross-section. We find that all the calculated numbers are in good agreement with the corresponding measured cross sections.

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