Parity-violating asymmetry in $γd \to \vec{n}p$ with a pionless effective theory

Details Parity-violating asymmetry in $γd \to \vec{n}p$ with a pionless effective theory Parity-violating asymmetry in $γd \to \vec{n}p$ with a pionless effective theory

2011-10-07

arxiv.org/abs/1110.1437v1

Physics

Nuclear Physics

Nuclear Theory

4 pages. A contribution to APFB2011, August 22-26, 2011, Seoul, Korea

Scientific paper

Nuclear parity violation is studied with polarized neutrons in the photodisintegration of the deuteron at low energies. A pionless effective field theory with di-baryon fields is used for the investigation. Hadronic weak interactions are treated by parity-violating di-baryon-nucleon-nucleon vertices, which have undetermined coupling contants. A parity-violating asymmetry in the process is calculated for the incident photon energy up to 30 MeV. If experimental data for the parity-violating asymmetry become available in the future, we will be able to determine the unknown coupling contants in the parity-violating vertices.

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