Contact interaction in the nonrelativistic pion absorption operator

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Chirally invariant Lagrangian containing nucleon, pion and chiral scalar fields is considered. A consistent scheme is proposed for obtaining the nonrelativistic operator of pion absorption by NN-pair taking into account the chiral scalar exchange. An important role of the contact interaction is pointed out.D
Latex, 7 pages, 3 figures

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/82240

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0406017
 http://arxiv.org/abs/nucl-th/0406017

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arXiv