The decay, which is sensitive to the top-quark mass, has become now particularly interesting as we expect a t-mass greater than 80 GeV. The QCD corrections play a relevant role, enhancing the GIM suppressed vertex: their computation presents many technical difficulties, which have led to different results in the previous literature. We have performed the calculation off-shell, in all gauges, in the leading logarithmic approximation; we confirm the strong enhancement of the QCD corrected branching ratios.

QCD corrections to the weak radiative -meson decay

VICERE', ANDREA
1990-01-01

Abstract

The decay, which is sensitive to the top-quark mass, has become now particularly interesting as we expect a t-mass greater than 80 GeV. The QCD corrections play a relevant role, enhancing the GIM suppressed vertex: their computation presents many technical difficulties, which have led to different results in the previous literature. We have performed the calculation off-shell, in all gauges, in the leading logarithmic approximation; we confirm the strong enhancement of the QCD corrected branching ratios.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11576/1877782
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