p-Wave pion production from nucleon-nucleon collisions

Details p-Wave pion production from nucleon-nucleon collisions p-Wave pion production from nucleon-nucleon collisions

2009-07-22

arxiv.org/abs/0907.3911v2

Phys.Rev.C80:044003,2009

Physics

Nuclear Physics

Nuclear Theory

29 pages, revised version published in PRC

Scientific paper

10.1103/PhysRevC.80.044003

We investigate p-wave pion production in nucleon-nucleon collisions up to next-to-next-to-leading order in chiral effective field theory. In particular, we show that it is possible to describe simultaneously the p-wave amplitudes in the $pn\to pp\pi^-$, $pp\to pn\pi^+$, $pp\to d\pi^+$ channels by adjusting a single low-energy constant accompanying the short-range operator which is available at this order. This study provides a non-trivial test of the applicability of chiral effective field theory to reactions of the type $NN\to NN\pi$.

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