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Related papers: One-loop renormalized Higgs vertices in Georgi-Mac…

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We comprehensively evaluate renormalized Higgs boson couplings at one-loop level in non-minimal Higgs models such as the Higgs Singlet Model (HSM) and the four types of Two Higgs Doublet Models (THDMs) with a softly-broken $Z_2$ symmetry.…

High Energy Physics - Phenomenology · Physics 2017-08-23 Shinya Kanemura , Mariko Kikuchi , Kodai Sakurai , Kei Yagyu

We calculate a full set of one-loop corrections to the Higgs boson coupling constants as well as the electroweak parameters. We compute the decay rate of the standard model (SM)-like Higgs boson ($h$) into diphoton. Renormalized Higgs…

High Energy Physics - Phenomenology · Physics 2015-06-12 Mayumi Aoki , Shinya Kanemura , Mariko Kikuchi , Kei Yagyu

We calculate radiative corrections to a full set of coupling constants for the 125 GeV Higgs boson at the one-loop level in two Higgs doublet models with four types of Yukawa interaction under the softly-broken discrete $Z_2$ symmetry. The…

High Energy Physics - Phenomenology · Physics 2015-05-20 Shinya Kanemura , Mariko Kikuchi , Kei Yagyu

We calculate Higgs coupling constants at one-loop level in the Higgs triplet model (HTM) to compare to future collider experiments. We evaluate the decay rate of the standard model (SM)-like Higgs boson ($h$) into diphoton. Renormalized…

High Energy Physics - Phenomenology · Physics 2013-05-02 Mariko Kikuchi

We investigate predictions on the triple Higgs boson couplings with radiative corrections in the model with an additional real singlet scalar field. In this model, the second physical scalar state ($H$) appears in addition to the Higgs…

High Energy Physics - Phenomenology · Physics 2017-04-05 Shinya Kanemura , Mariko Kikuchi , Kei Yagyu

The structure of the Higgs sector in the minimal supersymmetric standard model is reviewed at the one-loop level. An on-shell renormalization scheme of the MSSM Higgs sector is presented in detail together with the complete list of formulae…

High Energy Physics - Phenomenology · Physics 2011-07-19 A. Dabelstein

In this thesis, our main focus is on the $HHH$ and $VVHH$ couplings which are loosely bound. The $HHH$ coupling will determine the shape the Higgs potential and $VVHH$ couplings will tell us how the gauge bosons are coupled to the Higgs…

High Energy Physics - Phenomenology · Physics 2024-09-04 Biswajit Das

We calculate renormalized Higgs boson couplings with gauge bosons and fermions at the one-loop level in the model with an additional isospin singlet real scalar field. These coupling constants can deviate from the predictions in the…

High Energy Physics - Phenomenology · Physics 2016-05-04 Shinya Kanemura , Mariko Kikuchi , Kei Yagyu

We study the one-loop renormalization of the Georgi-Machacek model. At one loop, the renormalization of the model is phenomenologically important when triggered by operators that are absent at the tree level due to the global $SU(2)_R$…

High Energy Physics - Phenomenology · Physics 2026-01-13 Debtosh Chowdhury , Anirban Kundu , Poulami Mondal , Subrata Samanta , Aaryan Srivastava

We calculate 1-loop radiative corrections to the $hZZ$ and $hWW$ couplings in models with next--to--simplest Higgs sectors satisfying the electroweak $\rho$ parameter equal to 1 at tree level: the Higgs singlet model, the two-Higgs doublet…

High Energy Physics - Phenomenology · Physics 2017-10-25 Cheng-Wei Chiang , An-Li Kuo , Kei Yagyu

We investigate predictions of the trilinear Higgs self-coupling with radiative corrections in the context of the Inert Doublet Model. The triple Higgs vertex is computed at the one-loop level based on the on-shell renormalization scheme. We…

High Energy Physics - Phenomenology · Physics 2023-04-11 Jaouad El Falaki

It is shown by explicit calculation that the one-loop mass renormalization of the Higgs boson in the standard model is gauge-independent. It could even be rendered finite if the following mass relationships were satisfied: $m_t^2 \simeq…

High Energy Physics - Phenomenology · Physics 2009-10-22 Ernest Ma

We revisit the 95 GeV excesses in the $\gamma\gamma$ and $\tau\tau$ channels in the Georgi-Machacek model, where a single light $CP$-even custodial singlet $H$ can account for both hints. Using one-loop renormalization group-improved…

High Energy Physics - Phenomenology · Physics 2026-03-30 Qin Chang , Xiaokang Du , Pengxuan Zhu

In the Minimal Supersymmetric Standard Model with complex parameters (cMSSM) we perform a complete one-loop calculation for the Higgs boson masses (including the momentum dependence) and the mixing angles. These corrections are obtained in…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Frank , S. Heinemeyer , W. Hollik , G. Weiglein

We investigate the decoupling properties of the Higgs-sector-induced one-loop corrections in the lightest Higgs-boson self-couplings, in the framework of the Minimal Supersymmetric Standard Model (MSSM). The renormalized n-point vertex…

High Energy Physics - Phenomenology · Physics 2009-11-07 Antonio Dobado , Maria J. Herrero , Wolfgang Hollik , Siannah Penaranda

Current CERN Large Hadron Collider data on the 126 GeV standard model-like Higgs boson suggest the possibility of larger Higgs boson couplings with the weak gauge bosons, $g_{hVV}$, than those in the standard model. We use the…

High Energy Physics - Phenomenology · Physics 2015-06-16 Cheng-Wei Chiang , An-Li Kuo , Kei Yagyu

Renormalized triple gauge vertices (TGV) are examined within the two-Higgs-doublet model of electroweak interactions. Deviations of the TGV from their standard-model values are calculated at the one-loop level, in the on-shell…

High Energy Physics - Phenomenology · Physics 2009-11-10 Michal Malinsky , Jiri Horejsi

Systematic on-shell renormalization programme is carried out for the Higgs and gauge boson sectors of the Minimal Supersymmetric Standard Model. Complete 1-loop results for the 2- and 3-point Green's functions are explicitly given. The…

High Energy Physics - Phenomenology · Physics 2009-10-22 P. Chankowski , S. Pokorski , J. Rosiek

Employing background-field method and super-heat-kernel expansion, we compute the complete one-loop renormalization of the electroweak chiral Lagrangian with a light Higgs boson. Earlier results from purely scalar fluctuations are confirmed…

High Energy Physics - Phenomenology · Physics 2018-03-14 G. Buchalla , O. Cata , A. Celis , M. Knecht , C. Krause

We update the indirect constraints on the Georgi-Machacek model from $B$-physics and electroweak precision observables, including new constraints from $b \to s \gamma$ and $B^0_s \to \mu^+ \mu^-$. We illustrate the effect of these…

High Energy Physics - Phenomenology · Physics 2015-06-23 Katy Hartling , Kunal Kumar , Heather E. Logan
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