Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2008-05-23
Phys.Rev.C78:014002,2008; Erratum-ibid.C83:029902,2011
Physics
Nuclear Physics
Nuclear Theory
11 pages, 1 figure
Scientific paper
10.1103/PhysRevC.78.014002 10.11
The neutron spin rotation induced by parity-violating (PV) components in the nucleon-nucleon potential is studied in \vec{n}-d scattering at zero energy. Results are obtained corresponding to the Argonne v_{18} two-nucleon and Urbana-IX three-nucleon strong-interaction potentials in combination with either the DDH or pionless EFT model for the weak-interaction potential. We find that this observable is dominated by the contribution of the long-range part of the PV potential associated with pion exchange. Thus its measurement could provide a further constraint, complementary to that coming from measurements of the photon asymmetry in \vec{n}-p radiative capture, on the strength of this component of the hadronic weak interaction.
Girlanda Luca
Kievsky Alejandro
Marcucci Laura Elisa
Schiavilla Rocco
Viviani Michele
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