Relativistic three-particle scattering equations
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1993-01-01
Autores
Adhikari, Sadhan K. [UNESP]
Tomio, Lauro [UNESP]
Frederico, T.
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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. © 1993 The American Physical Society.
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Physical Review C, v. 48, n. 4, p. 2105-2107, 1993.