Relativistic three-particle scattering equations

Details Relativistic three-particle scattering equations Relativistic three-particle scattering equations

1993-06-08

arxiv.org/abs/nucl-th/9306009v1

Phys.Rev.C48:2105-2107,1993

Physics

Nuclear Physics

Nuclear Theory

5pages, text and one ps figure (in revtex) included

Scientific paper

10.1103/PhysRevC.48.2105

We derive a set of relativistic three-particle scattering equations in the three-particle c.m. frame employing a relativistic three-particle propagator suggested long ago by Ahmadzadeh and Tjon in the c.m. frame of a two-particle subsystem. We make the coordinate transformation of this propagator from the c.m. frame of the two-particle subsystem to the three-particle c.m. frame. We also point out that some numerical applications of the Ahmadzadeh and Tjon propagator to the three-nucleon problem use unnecessary nonrelativistic approximations which do not simplify the computational task, but violate constraints of relativistic unitarity and/or covariance.

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