Light U(1) Gauge Boson Coupled to Baryon Number

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dc.creatorCarone, Christopher D.
dc.creatorMurayama, Hitoshi
dc.date1995-06-29
dc.date1995-06-30
dc.date.accessioned2026-07-07T09:00:30Z
dc.date.available2026-07-07T09:00:30Z
dc.descriptionWe discuss the phenomenology of a light U(1) gauge boson, $γ_B$, that couples only to baryon number. Gauging baryon number at high energies can prevent dangerous baryon-number violating operators that may be generated by Planck scale physics. However, we assume at low energies that the new U(1) gauge symmetry is spontaneously broken and that the $γ_B$ mass $m_B$ is smaller than $m_Z$. We show for $m_Υ<m_B<m_Z$ that the $γ_B$ coupling $α_B$ can be as large as $\sim 0.1$ without conflicting with the current experimental constraints. We argue that $α_B\sim 0.1$ is large enough to produce visible collider signatures and that evidence for the $γ_B$ could be hidden in existing LEP data. We show that there are realistic models in which mixing between the $γ_B$ and the electroweak gauge bosons occurs only as a radiative effect and does not lead to conflict with precision electroweak measurements. Such mixing may nevertheless provide a leptonic signal for models of this type at an upgraded Tevatron.
dc.description8pp. LaTeX, 5 figures included as uuencoded, gzipped, encapsulated postscript files. Talk presented by C. Carone at the Workshop on Particle Theory and Phenomenology, May 17-19, 1995, Iowa State University, Ames Iowa. Full postscript available from http://theor1.lbl.gov/www/theorgroup/papers/37432.ps
dc.identifierhttps://arxiv.org/abs/hep-ph/9506460
dc.identifierhttp://arxiv.org/abs/hep-ph/9506460
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/148023
dc.subjectHigh Energy Physics - Phenomenology
dc.titleLight U(1) Gauge Boson Coupled to Baryon Number
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