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Related papers: The muon (g - 2) anomaly and a new light vector bo…

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Motivated by the long-standing discrepancy between the Standard Model prediction and the experimental measurement of the muon magnetic dipole moment, we have recently proposed to interpret this muon $g-2$ anomaly in terms of the loop effect…

High Energy Physics - Phenomenology · Physics 2022-08-03 Da Huang , Chao-Qiang Geng , Jiajun Wu

The long-standing discrepancy of muon $g-2$ is a hint of new physics beyond the standard model of particle physics. In this letter we show that heavy new physics contribution can be fully tested at a muon collider with center-of-mass energy…

High Energy Physics - Phenomenology · Physics 2021-01-06 Wen Yin , Masahiro Yamaguchi

The muon $g-2$ anomaly is a long-standing discrepancy from its standard model prediction. The recent improved measurement of the fine structure constant makes the electron $g-2$ anomaly very interesting for both sign and magnitude in…

High Energy Physics - Phenomenology · Physics 2019-02-13 Bhaskar Dutta , Yukihiro Mimura

We analyze allowed region of muon anomalous magnetic moment (muon $g-2$), satisfying lepton flavor violations, $Z$ boson decays, and collider physics, in a framework of multi-charged particles. Then we explore the typical size of the muon…

High Energy Physics - Phenomenology · Physics 2020-02-05 Takaaki Nomura , Hiroshi Okada

I review the recent calculations and present status of the hadronic light-by-light contribution to the muon g-2.

High Energy Physics - Phenomenology · Physics 2008-11-07 Joaquim Prades

We explore the ability of current and future dark matter and collider experiments in probing anomalous magnetic moment of the muon, $(g-2)_\mu$, within the Minimal Supersymmetric Standard Model (MSSM). We find that the latest…

High Energy Physics - Phenomenology · Physics 2017-04-05 Archil Kobakhidze , Matthew Talia , Lei Wu

We give an update on the status of the hadronic light-by-light scattering contribution to the muon g-2. We review recent work by various groups, list some of the open problems and give an outlook on how to better control the uncertainty of…

High Energy Physics - Phenomenology · Physics 2022-03-02 Andreas Nyffeler

We revisit a class of Z' explanations of the anomalies found by the LHCb collaboration in $B$ decays, and show that the scenario is tightly constrained by a combination of constraints: (i) LHC searches for di-muon resonances, (ii)…

High Energy Physics - Phenomenology · Physics 2017-05-02 Ben Allanach , Farinaldo S. Queiroz , Alessandro Strumia , Sichun Sun

We investigate the possibility that both dark matter and the long-standing discrepancy in the anomalous magnetic moment of the muon may be explained within the MSSM. In light of the stringent bounds from direct detection, we argue that the…

High Energy Physics - Phenomenology · Physics 2018-09-17 Peter Cox , Chengcheng Han , Tsutomu T. Yanagida

In the Littlest Higgs model, we comprehensively study the phenomenology of the heavy photon A_H which is lightest, in most of the parameter space, among newly introduced heavy gauge bosons and top-like vector quark. Unexpected behavior is…

High Energy Physics - Phenomenology · Physics 2009-07-10 Seong Chan Park , Jeonghyeon Song

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 give a status report on the hadronic light-by-light scattering contribution to the muon's anomalous magnetic moment from the Dyson-Schwinger approach. We discuss novel, model-independent properties of the light-by-light amplitude: we…

High Energy Physics - Phenomenology · Physics 2014-12-18 Gernot Eichmann , Christian S. Fischer , Walter Heupel , Richard Williams

In light of very recent E989 experimental result, we investigate the possibility that heavy sparticles explain the muon g-2 anomaly. We focus on the bino-smuon loop in an effective SUSY scenario, where a light gravitino plays the role of…

High Energy Physics - Phenomenology · Physics 2021-07-28 Yuchao Gu , Ning Liu , Liangliang Su , Daohan Wang

We examine the prospects for discovering new physics through muon dipole moments. The current deviation in $g_{\mu}-2$ may be due entirely to the muon's {\em electric} dipole moment. We note that the precession frequency in the proposed BNL…

High Energy Physics - Phenomenology · Physics 2009-10-09 Jonathan L. Feng , Konstantin T. Matchev , Yael Shadmi

We review the latest experimental achievements on the hadronic cross section measurements at low energy which are of fundamental importance for a precise evaluation of the hadronic contribution to the g-2 of the muon. We also discuss the…

High Energy Physics - Experiment · Physics 2015-06-04 G. Venanzoni

The possibility of explaining the current value of the muon anomalous magnetic moment in models with an additional U(1) gauge symmetry that has kinetic mixing with hypercharge are increasingly constrained by dark photon searches at electron…

High Energy Physics - Phenomenology · Physics 2015-06-12 Christopher D. Carone

The detection of ultralight dark matter through interactions with nucleons, electrons, and photons has been explored in depth. In this work we propose to use precision muon experiments, specifically muon g-2 and electric dipole moment…

High Energy Physics - Phenomenology · Physics 2021-01-04 Ryan Janish , Harikrishnan Ramani

We discuss a minimal solution to the long-standing $(g-2)_\mu$ anomaly in a simple extension of the Standard Model with an extra $Z'$ vector boson that has only flavor off-diagonal couplings to the second and third generation of leptons,…

High Energy Physics - Phenomenology · Physics 2016-10-21 Wolfgang Altmannshofer , Chien-Yi Chen , P. S. Bhupal Dev , Amarjit Soni

The muon anomalous magnetic moment is one of the most precisely measured quantities in particle physics. In a recent experiment at Brookhaven it has been measured with a remarkable 14-fold improvement of the previous CERN experiment…

High Energy Physics - Phenomenology · Physics 2015-05-13 Fred Jegerlehner , Andreas Nyffeler

We show an interesting correlation between the recent high precision measurement of the $W$-boson mass by the CDF collaboration and the muon $(g-2)$ anomaly in the context of the two Higgs doublet model. One-loop diagrams involving the…

High Energy Physics - Phenomenology · Physics 2022-09-16 K. S. Babu , Sudip Jana , Vishnu P. K.
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