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Rare top quark decays [Formula presented] and [Formula presented]

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN: 1550-2368, Vol: 56, Issue: 1, Page: 458-466
1997
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Metrics Details

  • Citations
    45
    • Citation Indexes
      45

Article Description

The large value of the top quark mass implies that the rare top quark decays [Formula presented], [Formula presented], and [Formula presented], and [Formula presented] and [Formula presented], are kinematically allowed so long as [Formula presented] or [Formula presented] respectively. The partial decay widths for these decay modes are calculated in the standard model. The partial widths depend sensitively on the precise value of the top quark mass. The branching ratio for [Formula presented] is as much as [Formula presented] for [Formula presented] GeV, and could be observable at the CERN Large Hadron Collider. The rare decay modes [Formula presented] and [Formula presented] are highly Glashow-Iliopoulos-Maiani (GIM) suppressed, and thus provide a means for testing the GIM mechanism for three generations of quarks in the [Formula presented], [Formula presented], [Formula presented] sector. © 1997 The American Physical Society.

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