General structure of a two-body operator for spin-12 particles

S. N. Ershov
Phys. Rev. C 70, 054604 – Published 4 November 2004

Abstract

A direct derivation of the operator structure for two spin-12 particles is presented subject to invariance under basic symmetries and Galilean frame transformation. The partial wave decomposition for coefficient functions, valid on- and off-shell, is explicitly deduced. The momentum transfer representation and angular momentum decomposition for general spin-dependent potentials are obtained.

  • Figure
  • Received 29 April 2004

DOI:https://doi.org/10.1103/PhysRevC.70.054604

©2004 American Physical Society

Authors & Affiliations

S. N. Ershov*

  • Joint Institute for Nuclear Research, 141980, Dubna, Moscow Region, Russia

  • *Electronic address: ershov@thsun1.jinr.ru

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Issue

Vol. 70, Iss. 5 — November 2004

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