Abstract
Parity violation in few-nucleon systems is studied using a nucleon-nucleon parity-violating (PV) potential derived within an effective field theory framework at next-to-next-to-leading order. The potential includes one- and two-pion exchanges, contact interactions and relativistic corrections and depends on six low-energy constants: the pion-nucleon coupling constant h1π and five parameters multiplying the independent contact interaction terms (with one four-gradient). This potential is used to study the p⃗-p longitudinal asymmetry, the neutron spin rotation in n⃗-d scattering, and the longitudinal asymmetry in the 3He(n⃗,p)3H reaction.
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