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Baryonic Higgs at the LHC

A preprint version of the article is available at arXiv.

Abstract

We investigate the possible collider signatures of a new Higgs in simple extensions of the Standard Model where baryon number is a local symmetry spontaneously broken at the low scale. We refer to this new Higgs as “Baryonic Higgs”. This Higgs has peculiar properties since it can decay into all Standard Model particles, the leptophobic gauge boson, and the vector-like quarks present in these theories to ensure anomaly cancellation. We investigate in detail the constraints from the γγ, Zγ, ZZ, and W W searches at the Large Hadron Collider, needed to find a lower bound on the scale at which baryon number is spontaneously broken. The di-photon channel turns out to be a very sensitive probe in the case of small scalar mixing and can severely constrain the baryonic scale. We also study the properties of the leptophobic gauge boson in order to understand the testability of these theories at the LHC.

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Correspondence to Pavel Fileviez Pérez.

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ArXiv ePrint: 1704.03811

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Duerr, M., Pérez, P.F. & Smirnov, J. Baryonic Higgs at the LHC. J. High Energ. Phys. 2017, 93 (2017). https://doi.org/10.1007/JHEP09(2017)093

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Keywords

  • Beyond Standard Model
  • Higgs Physics