Analysis of b quark pair production signal from neutral 2HDM Higgs bosons at future Linear Colliders

Abstract

In this paper, the b quark pair production events are analyzed as a source of neutral Higgs bosons of the two Higgs doublet model type I at linear colliders. The production mechanism is e+e- -> Z/gamma -> HA -> bbbb assuming a fully hadronic final state. The analysis aim is to identify both scalar and pseudo-scalar Higgs bosons in different benchmark points accommodating moderate boson masses. Due to pair production of Higgs bosons, the analysis is most suitable for a linear collider operating at sqrt(s) = 1 TeV. Results show that in selected benchmark points, signal peaks are observable in the b-jet pair invariant mass distributions at integrated luminosity of 500 fb-1.

8 pages, 10 figures

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Cited by in corpus (6)

• Search for neutral Higgs bosons within Type-I 2HDM at future linear colliders
• Possibility of observing Higgs bosons at the ILC in the lepton-specific 2HDM
• Search for neutral Higgs bosons decaying to $b\bar{b}$ in the flipped 2HDM at future $e^{-}{e}^{+}$ linear colliders
• Observability of 2HDM neutral Higgs bosons with different masses at future $e^{+}{e}^{-}$ linear colliders
• Capability of future linear colliders to discover heavy neutral CP-even and CP-odd Higgs bosons within Type-I 2HDM
• Kinematic corrections and reconstruction methods for neutral Higgs boson decay to $b\bar{b}$ in 2HDM type-I at future lepton colliders