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| Abstract
| - The reaction NN → NNπ is studied at low energies within chiral perturbation theory (ChPT). Special emphasis is put on p-wave pion production in different channels of NN → NNπ and Charge Symmetry Breaking (CSB) effects in pn → dπ0 recently measured at TRIUMF. A very good agreement of the p-wave amplitudes with experimental observables demonstrates the applicability of ChPT to these reactions regardless the large momentum transfer. The results of a complete calculation of CSB effects at leading order are presented. Based on this calculation we extract the strong contribution to the neutron-proton mass difference.
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| - © Owned by the authors, published by EDP Sciences, 2010
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| - Owned by the authors, published by EDP Sciences
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