Mukhopadhyaya, Biswarup ; Nandi, S. (1991) Evading the top-quark mass bound at the Fermilab Tevatron: new signals for the top quark Physical Review Letters, 66 (3). pp. 285-288. ISSN 0031-9007
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Official URL: https://journals.aps.org/prl/abstract/10.1103/Phys...
Related URL: http://dx.doi.org/10.1103/PhysRevLett.66.285
Abstract
If an SU(2)-singlet charge-2/3 quark exists, current data allow a wide range for the parameters of the 4×4 mixing matrix in which the usual "hard-lepton" signal of the top quark is suppressed. For a light Higgs boson, the top quark decays predominantly via the flavor-changing Yukawa interaction, thus evading the Fermilab Tevatron bounds on its mass. For a heavier Higgs boson, flavor-changing neutral-current decays become important, giving rise to anomalous Z-pair production, testable at the upgraded Tevetron, at the CERN Large Hardon Collider, and at the Superconducting Super Collider.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Physical Society. |
ID Code: | 114805 |
Deposited On: | 05 Jun 2018 05:03 |
Last Modified: | 05 Jun 2018 05:03 |
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