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Indirect Test of Invariance

The deviation of the phase of the violation parameter from is sensitive to violation. For a precise and a less model dependent analysis, we need to know the phase difference , i.e. how much is the phase of the amplitude different from the total decay amplitude. Based on Eq. 4 and using only the important decay modes:

The direct emission amplitude and the I=2 amplitude can safely be neglected and the phase of the inner bremsstrahlung decay amplitude is almost identical to that of . The important contributions are:

Experimentaly, we have and therefore we can write:

The phase difference constraints a possible contribution of the amplitude.

We can estimate from the measurement of to a good precision the violating contribution:

Assuming no violation in the decay amplitudes, we can estimate a possible mass difference:



Thomas Ruf
Fri Aug 9 14:24:14 MET DST 1996