LHC signals of a BLSSM CP-even Higgs boson

Abstract

We study the scope of the Large Hadron Collider in accessing a neutral Higgs boson of the $B-L$ Supersymmetric Standard Model. After assessing the surviving parameter space configurations following the Run 1 data taking, we investigate the possibilities of detecting this object during Run 2. For the model configurations in which the mixing between such a state and the discovered Standard Model-like Higgs boson is non-negligible, there exist several channels enabling its discovery over a mass range spanning from $\approx 140$ to $\approx$ 500 GeV. For a lighter Higgs state, with mass of order 140 GeV, three channels are accessible: $\gamma \gamma$, $Z\gamma$ and $ZZ$, wherein the $Z$ boson decays leptonically. For a heavier Higgs state, with mass above 250 GeV (i.e., twice the mass of the Higgs state discovered in 2012), the hallmark signature is its decay in two such 125 GeV scalars, $h^{\prime }\to hh$, where $hh\to b\bar{b}\gamma \gamma$. In all such cases, significances above discovery can occur for already planned luminosities at the CERN machine.

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• Search for Mono-Higgs Signals at the LHC in the B-L Supersymmetric Standard Model
• Top quark decays with flavor violation in the B-LSSM
• Sparticle Spectroscopy and Dark Matter in a $U(1{)}_{B-L}$ extension of MSSM
• Testing CP Properties of Extra Higgs States at the HL-LHC
• Wilsonian Dark Matter in String Derived $Z^{\prime }$ Model
• The $B-L$ Supersymmetric Standard Model with Inverse Seesaw at the Large Hadron Collider
• The 28 GeV Dimuon Excess in Lepton Specific 2HDM
• Bayesian Active Search on Parameter Space: a 95 GeV Spin-0 Resonance in the ($B-L$)SSM
• Pair production of neutral Higgs particles in the B-LSSM
• Searching for a Heavy Neutral CP-Even Higgs Boson in the BLSSM at the LHC Run 3 and HL-LHC
• Bound States of Right-handed Sneutrino Dark Matter
• $e^{+}{e}^{-}\to hhZ$ in the B-L symmetric SSM