ON THE PHASE OF ε AND THE NA31 BOUND ON CPT VIOLATION
- 20 May 1992
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A
- Vol. 7 (15) , 1367-1375
- https://doi.org/10.1142/s0217732392001038
Abstract
I discuss the theoretical prediction for the phase of the CP-violating parameter ε, and the experimental bound on the CPT-violating contribution to that parameter. I conclude that, if one neglects theoretical prejudices and only takes into account the experimental data, the phase of ε may differ by as much as four degrees from the superweak phase. The present experimental bound on CPT violation cannot be much strengthened if one does not first obtain better bounds on the CP violation in the three-pion decay modes.Keywords
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