Radiative Decay of the W Boson and the Radiation Amplitude Zero
- 1 December 1985
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics
- Vol. 74 (6) , 1352-1355
- https://doi.org/10.1143/ptp.74.1352
Abstract
We consider here the radiative decays of the W boson W-→udγ and W-→eνeγ. As was shown by Grose and Mikaelian, these processes have a radiation amplitude zero which occurs along a line in the Dalitz plot u, v where u=1-(2Eq/Mw) and v=1-(2Eq/Mw). Here we adopt the more convenient variables x=(2Eγ/Mw) and y=(Eq-Eq)/Er. The zero condition now takes the simple form y=Q=(Qi-Qj)/(Qi+Qj), independent of x.Keywords
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