Abstract
In the NonHolomorphic Supersymmetric Standard Model (NHSSM), the Yukawa couplings of the bottom quark (yb) and the tau lepton (yτ) might receive substantial supersymmetric (SUSY) radiative corrections which have prominent dependencies on the NHSSM-specific trilinear soft parameters, \( {A}_b^{\prime } \) and \( {A}_{\tau}^{\prime } \), respectively, in addition to their well-known dependence on tan β as is already present in the Minimal SUSY Standard Model (MSSM). We study to what extent these could affect the production cross sections of the heavy Higgs bosons (H and A) in association with a pair of b-quarks and their decay branching ratios, in particular, to a \( \tau \overline{\tau} \) pair and compare them with those obtained in the MSSM. Requiring compliance with the recently observed upper bounds on the product of their total cross section and the branching ratio to \( \tau \overline{\tau} \) at the 13 TeV run of the Large Hadron Collider (LHC), with data worth 139 fb−1, results in an altered exclusion region in the customary mA − tan β plane in the framework of the NHSSM when compared to what is derived by the LHC experiments within an MSSM setup. Such alterations are estimated to be pronounced only for large tan β (≥ 40) and for large, negative \( {A}_b^{\prime } \) when one finds a reinforced exclusion of the mA − tan β plane with an excluded mA value larger by ≈ 200 GeV, compared to the MSSM case, at tan β = 60. On the other hand, the maximum relaxation in mA, for a similarly large but positive \( {A}_b^{\prime } \), barely exceeds ≈ 100 GeV as a result of complementary variations in production cross sections and decay branching fractions of the heavy, neutral Higgs bosons.
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Chattopadhyay, U., Datta, A., Mukherjee, S. et al. Associated production of heavy Higgs bosons with a \( \mathrm{b}\overline{\mathrm{b}} \) pair in the nonholomorphic MSSM and LHC searches. J. High Energ. Phys. 2022, 113 (2022). https://doi.org/10.1007/JHEP08(2022)113
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DOI: https://doi.org/10.1007/JHEP08(2022)113