Analysis of CP Noninvariant Interactions and the K0(1), K0(2) System
Jun, 19657 pages
Published in:
- Phys.Rev. 138 (1965) B1490-B1496
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Abstract: (APS)
In order to explain the recent observation of K20→π++π− by Christenson et al., we assume that the relevant interaction Hamiltonian can be separated into two parts: HG+HF, where HG is the usual CP conserving and T-invariant weak interaction and HF is a new interaction which is not invariant under CP. Depending on the selection rule of HF with respect to the strangeness quantum number S, this new interaction HF can be much stronger than HG, or somewhat weaker than HG, or very much weaker than HG. The properties of these three different classes of possibilities are discussed and some possible experimental tests are suggested. The system of K10 and K20 is analyzed for these different possibilities without assuming the validity of CPT invariance. Efforts are made to separate out the various experimental consequences that follow from different symmetry requirements which may be satisfied by this new CP-noninvariant interaction HF.- K0: nonleptonic decay
- weak interaction
- CP: violation
- violation: CPT
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