Electroweak and finite width corrections to top quark decays into transverse and longitudinal $ W $-bosons

Details Electroweak and finite width corrections to top quark decays into transverse and longitudinal $ W $-bosons Electroweak and finite width corrections to top quark decays into transverse and longitudinal $ W $-bosons

2002-09-17

arxiv.org/abs/hep-ph/0209185v2

Phys.Rev.D67:091501,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 7 postscript figures added

Scientific paper

10.1103/PhysRevD.67.091501

We calculate the electroweak and finite width corrections to the decay of an unpolarized top quark into a bottom quark and a $ W $-gauge boson where the helicities of the $ W $ are specified as longitudinal, transverse-plus and transverse-minus. Together with the $ O(\alpha_s) $ corrections these corrections may become relevant for the determination of the mass of the top quark through angular decay measurements.

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