Invariance Conditions on the Scattering Amplitudes for Spin ½ Particles

15 March 1952

journal article
research article
Published by American Physical Society (APS) in Physical Review B

Vol. 85 (6) , 947-949
https://doi.org/10.1103/physrev.85.947

Abstract

The most general form of the scattering matrix in spin space for two spin ½ particles is derived subject to invariance under rotation, reflection, and time-reversal. The result may be used to prove a relationship important for polarization experiments and previously stated without proof.

Keywords

POLARIZATION
SCATTERING AMPLITUDES
REVERSAL
MATRIX
ROTATION
INVARIANCE
AMPLITUDES FOR SPIN

This publication has 4 references indexed in Scilit:

Polarization Effects in $n - p$ and $p - p$ Scattering
Physical Review B, 1949
Theory of Proposed Reactions Involving Polarized Protons
Physical Review B, 1949
Neutron-Proton and Proton-Proton Scattering at High Energies
Physical Review B, 1948
Invariant Forms of Interaction between Nuclear Particles
Proceedings of the National Academy of Sciences, 1941