English

On a redundancy in the parity-violating 2-nucleon contact Lagrangian

Nuclear Theory 2008-11-26 v2

Abstract

It is shown that the number of independent operators in the nucleon-nucleon parity-violating contact Lagrangian at the leading order in the low-momentum expansion, can be reduced to five, by using Fierz rearrangements of the nucleon fields.

Cite

@article{arxiv.0804.0772,
  title  = {On a redundancy in the parity-violating 2-nucleon contact Lagrangian},
  author = {Luca Girlanda},
  journal= {arXiv preprint arXiv:0804.0772},
  year   = {2008}
}

Comments

4 pages, one reference added, matches the journal version

R2 v1 2026-06-21T10:27:50.074Z