Cross section and analyzing power of pol{p}p -> pn pi+ near threshold

Details Cross section and analyzing power of pol{p}p -> pn pi+ near threshold Cross section and analyzing power of pol{p}p -> pn pi+ near threshold

1997-04-24

arxiv.org/abs/nucl-th/9704056v1

Phys.Rev.C56:2067-2073,1997

Physics

Nuclear Physics

Nuclear Theory

20 pages, Latex including 4 eps figures

Scientific paper

10.1103/PhysRevC.56.2067

The cross section and analyzing power of the pol{p}p -> pn pi+ reaction near threshold are estimated in terms of data obtained from the pol{p}p -> d pi+ and pp -> pp pi0 reactions. A simple final state interaction theory is developed which depends weakly upon the form of the pion-production operator and includes some Coulomb corrections. Within the uncertainties of the model and the input data, the approach reproduces well the measured energy dependence of the total cross section and the proton analyzing power at a fixed pion c.m. angle of 90deg, from threshold to T_p = 330 MeV. The variation of the differential cross section with pion angle is also very encouraging.

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