DOIAbstract
International audienceThe parity-violating neutron spin rotation in He4 is studied at vanishing incident neutron energy limit. Calculations have been realized by solving five-body Faddeev-Yakubovsky equations in configuration space employing modern strong-interaction Hamiltonian based on chiral perturbation theory including three-nucleon force. Parity-violating nucleon-nucleon interaction of the Desplanques, Donoghue, and Holstein model is employed. An implication of the recent theoretical large-Nc estimation of weak couplings [Phillips , Phys. Rev. Lett. 114, 062301 (2015)PRLTAO0031-900710.1103/PhysRevLett.114.062301] is also discussed
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