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Parity-violating nucleon-nucleon interaction from different approaches

Abstract : Two-pion exchange parity-violating nucleon-nucleon interactions from recent effective field theories and earlier fully covariant approaches are investigated. The potentials are compared with the idea to obtain better insight on the role of low-energy constants appearing in the effective field theory approach and the convergence of this one in terms of a perturbative series. The results are illustrated by considering the longitudinal asymmetry of polarized protons scattering off protons, $\vec{p}+p -> p+p$, and the asymmetry of the photon emission in radiative capture of polarized neutrons by protons, $\vec{n}+p -> d+\gamma$.
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http://hal.in2p3.fr/in2p3-00264371
Contributor : Emmanuelle Vernay <>
Submitted on : Monday, March 17, 2008 - 8:53:53 AM
Last modification on : Monday, July 20, 2020 - 9:18:25 AM

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B. Desplanques, C. H. Hyun, S. Ando, C. -P. Liu. Parity-violating nucleon-nucleon interaction from different approaches. Physical Review C, American Physical Society, 2008, 77, pp.064002. ⟨10.1103/PhysRevC.77.064002⟩. ⟨in2p3-00264371⟩

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