Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-10-08
Phys.Rev.D49:1342-1349,1994
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages in LaTeX, UPR-0582T
Scientific paper
10.1103/PhysRevD.49.1342
We discuss unstable particle mixing in CP-violating weak decays. It is shown that for a completely degenerate system unstable particle mixing does not introduce a CP-violating partial rate difference, and that when the mixings are small only the off-diagonal mixings are relevant. Also, in the absence of mixing, unstable particle wave function renormalization does not introduce any additional effect. An illustrative example is given to heavy scalar decays with arbitrary mixing.
Liu Jiang
Segrè Gino
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