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On the Mass and Width of the Z-boson and Other Relativistic Quasistable Particles
Z-boson lineshape Relativistic Breit-Wigner Relativistic resonances Relativistic Gamow vector Poincar´ e semigroup Time asymmetry
2010/10/18
The ambiguity in the definition for the mass and width of relativistic resonances is discussed, in particular for the case of the Z-boson.This ambiguity can be removed by requiring that a resonance’s ...