The Decay Lifetime of Polarized Fermions in Flight
arXiv:hep-ph/0202017 · doi:10.1088/0256-307X/19/10/309
Abstract
Based on the parity violation in Standard model, we study the dependence of lifetime on the helicity of an initial-state fermion in weak interactions. It is pointed out that if the initial fermions in the decays are longitudinally polarized, then the decay lifetime of left-handed polarized fermions is different from that of right-handed polarized fermions in flight with a same velocity in a same inertial system.
7 pages, Latex
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