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Related papers: The Physics Case for the New Muon (g-2) Experiment

200 papers

We speculate about the possible interpretations of the recently observed excess in the $h \to \tau \mu$ decay. We derive a robust lower bound on the Higgs boson coupling strength to a tau and a muon, even in presence of the most general new…

High Energy Physics - Phenomenology · Physics 2015-10-12 Ilja Dorsner , Svjetlana Fajfer , Admir Greljo , Jernej F. Kamenik , Nejc Kosnik , Ivan Nisandzic

We investigate a possibility to explain the discrepancy between the Standard Model predictions and the observed value of the anomalous magnetic moment of the muon within unorthodox SUSY scenarios in which neutralinos are unstable. We start…

High Energy Physics - Phenomenology · Physics 2022-05-10 Rafał Masełek

We investigate three intriguing anomalies within the framework of the General Next-to-Minimal Supersymmetric Standard Model. These anomalies include a significant deviation of the experimental results for the muon anomalous magnetic moment…

High Energy Physics - Phenomenology · Physics 2024-12-04 Junjie Cao , Xinglong Jia , Jingwei Lian

Starting this summer, Fermilab will host a key experiment dedicated to the search for signals of new physics: The Fermilab Muon g-2 Experiment. Its aim is to precisely measure the anomalous magnetic moment of the muon. In full operation, in…

We discuss the prospects of probing the $L_\mu - L_\tau$ gauge boson at the MUonE experiment. The $L_\mu - L_\tau$ gauge boson $Z^\prime$ with a mass of $\lesssim 200$ MeV, which can explain the discrepancy between the measured value of the…

High Energy Physics - Phenomenology · Physics 2022-10-12 Kento Asai , Koichi Hamaguchi , Natsumi Nagata , Shih-Yen Tseng , Juntaro Wada

We present the results of a general analysis of the contributions of the supersymmetry-breaking sector to the muon anomalous magnetic moment in models with a superlight gravitino. We find constraints on the model parameters that are…

High Energy Physics - Phenomenology · Physics 2007-05-23 Elena Perazzi

The new measurement of the anomalous magnetic moment of muon at the Fermilab Muon $g-2$ experiment has strengthened the significance of the discrepancy between the standard model prediction and the experimental observation from the BNL…

High Energy Physics - Phenomenology · Physics 2021-10-11 Kwang Sik Jeong , Junichiro Kawamura , Chan Beom Park

Recent progress on muon $g-2$ measurement prompts one to take it even more seriously. In the general two Higgs doublet model that allows extra Yukawa couplings, we take a simplified approach of single enhanced coupling. We fix the charged…

High Energy Physics - Phenomenology · Physics 2021-11-10 Wei-Shu Hou , Rishabh Jain , Chung Kao , Girish Kumar , Tanmoy Modak

Recently the ATLAS and CMS collaborations presented preliminary results of Standard Model Higgs searches and reported excesses of events for a Higgs boson at 124-126 GeV. Such a Higgs mass can be naturally realized, simultaneously…

High Energy Physics - Phenomenology · Physics 2013-05-30 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Norimi Yokozaki

In this conference report a summary is given on the theoretical work that has contributed to provide accurate theoretical predictions for testing the standard model in present and future experiments. Precision calculations for the vector…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Hollik

Standard Model contributions to the electron, muon, and tau lepton anomalous magnetic moments, a_l=(g_l-2)/2, are reviewed and updated. The fine structure constant is obtained from the electron g_e-2 and used to refine the QED contribution…

High Energy Physics - Phenomenology · Physics 2009-10-31 Andrzej Czarnecki , William J. Marciano

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 have witnessed a persistent puzzling anomaly in the muon magnetic moment that cannot be accounted for in the Standard Model even considering the large hadronic uncertainties. A new measurement is forthcoming, and it might give rise to a…

High Energy Physics - Phenomenology · Physics 2022-08-30 Alvaro S. de Jesus , Sergey Kovalenko , Farinaldo S. Queiroz , Carlos A. de S. Pires , Yoxara S. Villamizar

There is more than 3 sigma deviation between the experimental and theoretical results of the muon g-2. This suggests that some of the SUSY particles have a mass of order 100 GeV. We study searches for those particles at the LHC with…

High Energy Physics - Phenomenology · Physics 2015-06-15 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Takahiro Yoshinaga

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

The Fermilab Muon $g-2$ collaboration recently announced the first result of measurement of the muon anomalous magnetic moment ($g-2$), which confirmed the previous result at the Brookhaven National Laboratory and thus the discrepancy with…

High Energy Physics - Phenomenology · Physics 2021-07-14 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Teppei Kitahara

The new FNAL result of the muon $g-2$, combined with the BNL result, shows a 4.2$\sigma$ deviation from the SM. We use the new data of the muon $g-2$ to revisit several GUT-scale constrained SUSY models with the constraints from the LHC…

High Energy Physics - Phenomenology · Physics 2021-08-18 Fei Wang , Lei Wu , Yang Xiao , Jin Min Yang , Yang Zhang

In light of the recent Muon $g-2$ experiment data from Fermilab, we investigate the implications of a gauged $L_{\mu} - L_{\tau}$ model for high energy neutrino telescopes. It has been suggested that a new gauge boson at the MeV scale can…

High Energy Physics - Phenomenology · Physics 2023-07-24 Jose Alonso Carpio , Kohta Murase , Ian M. Shoemaker , Zahra Tabrizi

The recent measurement of the muon anomalous magnetic moment a_\mu\equiv (g-2)_\mu/2 by the Fermilab Muon g-2 experiment sharpens an earlier discrepancy between theory and the BNL E821 experiment. We examine the predicted \Delta a_\mu\equiv…

High Energy Physics - Phenomenology · Physics 2021-07-07 Howard Baer , Vernon Barger , Hasan Serce