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Related papers: Muon g-2 Anomaly confronted with the higgs global …

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We examine the lepton-specific 2HDM as a solution of muon $g-2$ anomaly under various theoretical and experimental constraints, especially the direct search limits from the LHC and the requirement of a strong first-order phase transition in…

High Energy Physics - Phenomenology · Physics 2018-12-31 Lei Wang , Jin Min Yang , Mengchao Zhang , Yang Zhang

Combining the multi-lepton searches at the LHC, we study the possibilities of accommodating the new data of muon and electron $g-2$ anomalies in the lepton-specific inert two-Higgs-doublet model. We take the heavy CP-even Higgs as the 125…

High Energy Physics - Phenomenology · Physics 2021-12-15 Xiao-Fang Han , Tianjun Li , Hong-Xin Wang , Lei Wang , Yang Zhang

We examine the possibilities of accommodating the muon $g-2$ anomaly reported by Fermilab in the 2HDM with a discrete $Z_4$ symmetry in which an inert Higgs doublet field ($H,~A,~H^\pm$) has the lepton flavor violation $\mu$-$\tau$…

High Energy Physics - Phenomenology · Physics 2021-12-01 Hong-Xin Wang , Lei Wang , Yang Zhang

The deviation of the measured value of the muon anomalous magnetic moment from the standard model prediction can be completely explained by mixing of the muon with extra vectorlike leptons, L and E, near the electroweak scale. This mixing…

High Energy Physics - Phenomenology · Physics 2013-08-09 Radovan Dermisek , Aditi Raval

The recent Fermilab measurement of the muon anomalous magnetic moment yields $4.2 \sigma$ deviations from the SM prediction when combined with the BNL E821 experiment results. In the Type-X two Higgs doublet model, we study the consequence…

High Energy Physics - Phenomenology · Physics 2021-11-24 Adil Jueid , Jinheung Kim , Soojin Lee , Jeonghyeon Song

We discuss the Type-X (lepton-specific) two Higgs doublet model as a solution of the anomaly of the muon $g-2$. We consider various experimental constraints on the parameter space such as direct searches for extra Higgs bosons at the LEP II…

High Energy Physics - Phenomenology · Physics 2015-11-04 Tomohiro Abe , Ryosuke Sato , Kei Yagyu

We consider the scenario of composite Higgs with partial compositeness to address the muon g-2 anomaly. We show that this anomaly is resolved by one-loop correction due to composite muon partners with mass scale of order TeVs and large…

High Energy Physics - Phenomenology · Physics 2022-11-01 Shuai Xu , Sibo Zheng

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 examine the charged boson and right-handed neutrino contribution to the muon g-2 anomaly in the twin Higgs models with the joint constraints of the Higgs global fit data, the precision electroweak data, the leptonic flavor changing decay…

High Energy Physics - Phenomenology · Physics 2022-12-20 Guo-Li Liu , Ping Zhou

After a brief review of the muon g-2 status, we analyze the possibility that the present discrepancy between experiment and the Standard Model (SM) prediction may be due to hypothetical errors in the determination of the hadronic…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Passera , W. J. Marciano , A. Sirlin

The discrepancy between the measured value and the Standard Model prediction for the muon anomalous magnetic moment is one of the important issues in the particle physics. In this paper, we consider a two Higgs doublet model (2HDM) where…

High Energy Physics - Phenomenology · Physics 2020-01-29 Syuhei Iguro , Yuji Omura , Michihisa Takeuchi

We investigate the possibility of explanation for the muon anomalous magnetic moment $g_\mu-2$ in a left-right model with an inverse seesaw mechanism. We emphasize that the observed deviation from the Standard Model predictions can be…

High Energy Physics - Phenomenology · Physics 2023-03-31 M. Ashry , K. Ezzat , S. Khalil

Updating various theoretical and experimental constraints on the four different types of two-Higgs-doublet models (2HDMs), we find that only the ``lepton-specific" (or ``type X") 2HDM can explain the present muon g$-$2 anomaly in the…

High Energy Physics - Phenomenology · Physics 2016-09-21 Eung Jin Chun

The anomalous magnetic moment of muons has been a long-standing problem in SM. The current deviation of experimental value of the $(g-2)_{\mu}$ from the standard model prediction is exactly $4.2\sigma$. Two Higgs Doublet Models can…

High Energy Physics - Phenomenology · Physics 2023-08-09 Md. Raju , Abhi Mukherjee , Jyoti Prasad Saha

We examine the recently observed deviation of the muon g - 2 from the Standard Model prediction within the framework of gravity mediated SUGRA models with R parity invariance. Universal soft breaking (mSUGRA) models, and models with…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Arnowitt , B. Dutta , B. Hu , Y. Santoso

The recent measurement of the muon $g - 2$ anomaly continues to defy a Standard Model explanation, but can be accommodated within the framework of two Higgs doublet models. If one further includes extra fermion content in the form of a…

High Energy Physics - Phenomenology · Physics 2021-09-29 P. M. Ferreira , B. L. Gonçalves , F. R. Joaquim , Marc Sher

We investigate a new type of a two-Higgs-doublet model as a solution of the muon $g-2$ anomaly. We impose a softly-broken $Z_4$ symmetry to forbid tree level flavor changing neutral currents in a natural way. This $Z_4$ symmetry restricts…

High Energy Physics - Phenomenology · Physics 2017-08-02 Tomohiro Abe , Ryosuke Sato , Kei Yagyu

There exist about $3.7\sigma$ positive and $2.4\sigma$ negative deviations in the muon and electron anomalous magnetic moments ($g-2$). Also, some ratios for lepton universality in $\tau$ decays have almost $2\sigma$ deviations from the…

High Energy Physics - Phenomenology · Physics 2019-05-29 Xiao-Fang Han , Tianjun Li , Lei Wang , Yang Zhang

We have studied a left-right symmetric model with mirror fermions based in a grand unified SU(7) model in order to account for the muon anomaly. The Higgs sector of the model contains two Higgs doublets and the hierarchy condition…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. Chavez , J. A. Martins Simoes

We consider a type I or type X two Higgs doublets model with a modified lepton sector. The generalized lepton sector is also flavor conserving but with the new Yukawa couplings completely decoupled from lepton mass proportionality. The…

High Energy Physics - Phenomenology · Physics 2023-02-08 Francisco J. Botella , Fernando Cornet-Gomez , Carlos Miró , Miguel Nebot
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