Nonsupersymmetric interpretation of thee+e−γγ+missingenergyevent observed by the Collider Detector at Fermilab

1996/06/21 by Gautam Bhattacharyya, Rabindra N. Mohapatra · 1 citation
Physics and Astronomy · #Neutrino Physics Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1103/physrevd.54.r4204

published as Phys.Rev.D54:4204-4206,1996 · 7 pages, Latex, no figures

arxiv created 1996/06/21 · openalex publication_date 1996/10/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

The e⁺e^\ensuremath-\ensuremathγ\ensuremathγ+E_T event reported recently by the CDF Collaboration has been interpreted as a signal of supersymmetry in several recent papers. In this Rapid Communication, we report on an alternative nonsupersymmetric interpretation of the event using an extension of the standard model that contains new physics at the electroweak scale that does not effect the existing precision electroweak data. We extend the standard model by including an extra sequential generation of fermions, heavy right-handed neutrinos for all generations, and an extra singly charged SU(2)-singlet Higgs boson. We discuss possible ways to discriminate this from the standard supersymemtric interpretations.

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