2022
DOI: 10.48550/arxiv.2202.08807
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The Flavourful Present and Future of 2HDMs at the Collider Energy Frontier

Abstract: We study the intersection of flavour and collider physics for Two-Higgs-Doublet models of Type I and II. Drawing from the flavour precision-LHC exotics search complementarity, we also provide a projection of the future sensitivity that can be achieved in light of currently available analyses. On the one hand, we find that the parameter space of the 2HDM can be explored significantly further with more data from the LHC with some complementarity with flavour physics. On the other hand, flavour physics results al… Show more

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Cited by 7 publications
(12 citation statements)
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References 137 publications
(153 reference statements)
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“…The results indicate that for tan β < ∼ 2 the lower limit on the charge Higgs mass is m H ± > ∼ 30 GeV, and the bounds becomes stronger for larger tan β. The same analysis in 2HDM-I finds that m H ± > ∼ 30 GeV for tan β > ∼ 0.5 at 2σ [58].…”
Section: Constraintssupporting
confidence: 55%
See 1 more Smart Citation
“…The results indicate that for tan β < ∼ 2 the lower limit on the charge Higgs mass is m H ± > ∼ 30 GeV, and the bounds becomes stronger for larger tan β. The same analysis in 2HDM-I finds that m H ± > ∼ 30 GeV for tan β > ∼ 0.5 at 2σ [58].…”
Section: Constraintssupporting
confidence: 55%
“…The radiative decay alone is not enough to find a concrete lower bound for the charged Higgs mass in 2HDM-I because of the large correction with tan β. However, based on an estimate taking the contributions to the Wilson coefficients C 7 and C 8 at NLO in [58], the lower bound on the charged Higgs mass is estimated at 95% CL as m H ± > ∼ 300 GeV for tan β > ∼ 1. Considering the combination of tree-level leptonic and semi-leptonic decays of B, B s , D, D s , K and π mesons and the hadronic decays of τ leptons to π and K mesons along with R(D) and R(D * ), the viable parameter space is found in the plane tan β − m H ± for 2HDM-II [56].…”
Section: Constraintsmentioning
confidence: 99%
“…The stability conditions (17) give rise to lower bounds on the couplings λ i [24], which in turn lead to bounds on the masses of the physical Higgs fields. In addition, we require that the quartic couplings λ i in the scalar potential is perturbative and unitarity conditions [22] are satisfied.…”
Section: The Boundsmentioning
confidence: 99%
“…The purpose of this work is to examine the implication of the recent measurement of the W boson mass at CDF II on two-Higgs doublet model (2HDM). Recently, this possibility has been explored in other works [10][11][12][13][14][15] with different approaches and comprehensive analysis of the parameter space have been performed recently [16,17]. The deviation of m CDF W from its SM prediction can be parameterized in terms of the so-called Peskin-Takeuchi parameters, S and T , which represent the contributions of new physics.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, H, A and H ± are allowed to have broad mass ranges. There are some recent studies on the status of type-I and type-II 2HDMs confronted with the direct searches at the LHC, see, e.g., [106,107,108,109,110,111,112,113,114,115,116]. Flipping the sign of λ 5 , A will be the DM candidate.…”
Section: Searches For Additional Scalars At Lhcmentioning
confidence: 99%