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Related papers: Lessons from B -> X_s gamma in Two Higgs Doublet M…

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In this note we give interim recommendations on how to evaluate LHC cross sections for (neutral) Higgs production and Higgs branching ratios in the general (CP-conserving) Two-Higgs-Doublet Model (2HDM). The current status of available…

High Energy Physics - Phenomenology · Physics 2014-01-29 R. Harlander , M. Mühlleitner , J. Rathsman , M. Spira , O. Stål

The most recent $W$-boson mass measurement by the CDF collaboration with a substantially reduced uncertainty indicates a significant deviation from the standard model prediction, as large as $7\sigma$ if taken literally. Then the…

High Energy Physics - Phenomenology · Physics 2022-08-16 Soojin Lee , Kingman Cheung , Jinheung Kim , Chih-Ting Lu , Jeonghyeon Song

We present bounds on the Higgs mass in the Standard Model and in the Minimal Supersymmetric Standard Model using the effective potential with next-to-leading logarithms resummed by the renormalization group equations, and physical (pole)…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mariano Quirós

The current Large Hadron Collider data indicates that the newly observed resonance has the WW and ZZ modes consistent with the standard model Higgs boson, while the \gamma\gamma mode is about 1.2 - 2 times that of the standard model…

High Energy Physics - Phenomenology · Physics 2013-03-27 Jung Chang , Kingman Cheung , Po-Yan Tseng , Tzu-Chiang Yuan

We present the results obtained by performing global fits of two-Higgs-doublet models (2HDMs) using the full Run 1 and Run 2 Higgs datasets collected at the LHC. Avoiding unwanted tree-level flavor-changing neutral currents and including…

High Energy Physics - Phenomenology · Physics 2025-04-24 Yongtae Heo , Jae Sik Lee , Chan Beom Park

We calculate the inclusive branching ratio for B--> X_s gamma, the inclusive branching ratios and asymmetries for B--> X_s l+ l- and the anomalous magnetic moment g-2 of the muon, within a minimal gauge-mediated SUSY-breaking model which…

High Energy Physics - Phenomenology · Physics 2016-08-25 Emidio Gabrielli , Uri Sarid

We summarize the status of the Standard Model with special emphasis on the extraction of the Higgs boson mass using Bayesian inference.

High Energy Physics - Phenomenology · Physics 2007-05-23 Jens Erler

Yukawa couplings between Higgs bosons and quarks in the Standard Model (SM) and supersymmetric theories can be measured in the processes e+e- -> Q\bar{Q} + Higgs. The cross sections and Higgs energy distributions of these processes in the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Spira

Recently CDF II Collaboration reported that they measured W boson mass precisely. The measurement is deviated from the Standard Model (SM) Prediction at 7$\sigma$. Also, the recent FNAL measurement of the muon magnetic moment shows a…

High Energy Physics - Phenomenology · Physics 2022-06-08 Jongkuk Kim

While the existence of a Higgs boson with a mass near 125 GeV has been clearly established, the detailed structure of the entire Higgs sector is yet unclear. Besides the Standard Model interpretation, various possibilities for extended…

High Energy Physics - Experiment · Physics 2015-06-19 Rainer Mankel

In this letter, we present our results on a global fit to precision electroweak data in a Higgs triplet model. In models with a triplet Higgs boson, a consistent renormalization scheme differs from that of the Standard Model and the global…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mu-Chun Chen , Sally Dawson , Tadas Krupovnickas

Recently, ATLAS and CMS experiments at the LHC put on light the relevant results in the measurement precision of the Higgs and BSM. In such a report, where the resonance direct search was made in the $\gamma Z$ channel, a mass adjustment…

High Energy Physics - Phenomenology · Physics 2023-06-29 R. Benbrik , M. Boukidi , M. Ouchemhou , L. Rahili , O. Tibssirte

We study effects of charged Higgs boson exchange in $\bar B \to D \tau \bar\nu_{\tau}$. The Yukawa couplings of Model II of two-Higgs-doublet model, which has the same Yukawa couplings as MSSM, is considered. We evaluate the decay rate…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tsutomu Miki , Takahiro Miura , Minoru Tanaka

With the aim of exploring the Higgs sector of the Two Higgs Doublet Model (2HDM), we have chosen the exact and soft $Z_2$ symmetry breaking versions of the 2HDM with non-zero vacuum expectation values for both Higgs doublets (Mixed Model).…

High Energy Physics - Phenomenology · Physics 2017-11-15 Neda Darvishi , Maria Krawczyk

We present the cross section for $e^{+}e^{-}\to hZ$ with arbitrary sets of electron and $Z$ boson polarizations at the full next-to-leading order in various extended Higgs models, such as the Higgs singlet model (HSM), the inert doublet…

High Energy Physics - Phenomenology · Physics 2021-12-01 Masashi Aiko , Shinya Kanemura , Kentarou Mawatari

We analyze the prospects of reconstructing the mass of a heavy charged Higgs boson %have been analyzed in the context of a Type X two-Higgs doublet model where a light pseudoscalar $A$ in the mass range $40-60$ GeV is phenomenologically…

High Energy Physics - Phenomenology · Physics 2018-10-17 Eung Jin Chun , Siddharth Dwivedi , Tanmoy Mondal , Biswarup Mukhopadhyaya , Santosh Kumar Rai

In this letter we present the analytic results for the two-loop corrections to the Wilson coefficients C_9(mu_W) and C_10(mu_W) in type-I and type-II two-Higgs-doublet models at the matching scale mu_W. These corrections are important…

High Energy Physics - Phenomenology · Physics 2011-01-05 S. Schilling , C. Greub , N. Salzmann , B. Toedtli

We update the constraints on two-Higgs-doublet models (2HDMs) focusing on the parameter space relevant to explain the present muon $g$$-$$2$ anomaly, $\Delta a_{\mu}$, in four different types of models, type I, II, "lepton specific" (or X)…

High Energy Physics - Phenomenology · Physics 2015-06-22 Alessandro Broggio , Eung Jin Chun , Massimo Passera , Ketan M. Patel , Sudhir K. Vempati

We perform a combined analysis of two stringent constraints on two Higgs doublet model, coming from the recently announced CLEO II bound on $B(b \rightarrow s \gamma)$ and $Z \rightarrow b \overline b$ and from the recent LEP data on the…

High Energy Physics - Phenomenology · Physics 2009-10-22 Gye T. Park

We review possible properties of Higgs bosons in the NMSSM, which allow to discriminate this model from the MSSM: masses of mostly Standard-Model-like Higgs bosons at or above 140 GeV, or enhanced branching fractions into two photons, or…

High Energy Physics - Phenomenology · Physics 2015-05-30 Ulrich Ellwanger