Parity violation in few-nucleon systems is studied using a nucleon-nucleon parityviolating (PV) potential derived within an effective field theory framework at next-to-next-toleading 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 p(polarized)-p longitudinal asymmetry, the neutron spin rotation in n(polarized)-d scattering, and the longitudinal asymmetry in the 3He(n-polarized, p)3H reaction.
Study of parity violating observables in few-nucleon systems
GIRLANDA, Luca;
2011-01-01
Abstract
Parity violation in few-nucleon systems is studied using a nucleon-nucleon parityviolating (PV) potential derived within an effective field theory framework at next-to-next-toleading 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 p(polarized)-p longitudinal asymmetry, the neutron spin rotation in n(polarized)-d scattering, and the longitudinal asymmetry in the 3He(n-polarized, p)3H reaction.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
