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Related papers: A 2HDM for the g-2 and Dark Matter

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In the context of minimal supersymmetry with slepton mass universality we find that an enhancement in h \rightarrow gamma gamma by at least 40%, as hinted by present data, implies a deviation of the muon anomalous magnetic moment by exactly…

High Energy Physics - Phenomenology · Physics 2015-06-05 Gian F. Giudice , Paride Paradisi , Alessandro Strumia

A new measurement of the anomalous magnetic moment of the muon, $a_{\mu} \equiv (g-2)/2$, will be performed at the Fermi National Accelerator Laboratory. The most recent measurement, performed at Brookhaven National Laboratory and completed…

Instrumentation and Detectors · Physics 2016-01-20 Wesley Gohn

The electroweak (EW) sector of the Minimal Supersymmetric Standard Model (MSSM), with the lightest neutralino as Dark Matter (DM) candidate, can account for a variety of experimental data. This includes the DM content of the universe, DM…

High Energy Physics - Phenomenology · Physics 2022-01-05 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha

There are now two single measurements of precision observables that have major anomalies in the Standard Model: the recent CDF measurement of the $W$ mass shows a $7\sigma$ deviation and the Muon $g-2$ experiment at FNAL confirmed a…

High Energy Physics - Phenomenology · Physics 2023-02-09 Peter Athron , Andrew Fowlie , Chih-Ting Lu , Lei Wu , Yongcheng Wu , Bin Zhu

We study the two-Higgs-doublet model with type-II seesaw mechanism. In view of constraints from the Higgs data, we consider the aligned two-Higgs-doublet scheme and its effects on muon anomalous magnetic dipole moment, $a_{\mu}$, including…

High Energy Physics - Phenomenology · Physics 2021-09-15 Chuan-Hung Chen , Cheng-Wei Chiang , Takaaki Nomura

The 2.6 sigma deviation in the muon's anomalous magnetic moment has strong implications for supersymmetry. In the most model-independent analysis to date, we consider gaugino masses with arbitrary magnitude and phase, and sleptons with…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jonathan L. Feng , Konstantin T. Matchev

At present, there are outstanding discrepancies between standard model predictions and measurements of the muon's $g-2$ and several $B$-meson properties. We resolve these anomalies by considering a two-Higgs-doublet model extended to…

High Energy Physics - Phenomenology · Physics 2020-02-12 Alakabha Datta , Jonathan L. Feng , Saeed Kamali , Jacky Kumar

Anomalous magnetic moment of the muon, $a_{\mu}=(g_{\mu}-2)/2$, is one of the most precisely measured quantities in particle physics and it provides a stringent test of the Standard Model. The planned improvements of the experimental…

High Energy Physics - Lattice · Physics 2017-04-24 Marina Krstic Marinkovic

We propose a next-generation precision measurement of the muon anomalous magnetic moment (muon $g-2$), at the High Intensity Heavy-Ion Accelerator Facility (HIAF) in China. The project, named CANTON-$\mu$ (Coherent Anomalous magNetic momenT…

High Energy Physics - Experiment · Physics 2026-03-31 Ce Zhang , Yu Xu , On Kim , Bingzhi Li , Guodong Shen , Liangwen Chen , Fedor Ignatov , Liang Li , Qiang Li , Xueheng Zhang , Zhiyu Sun

The E989 experiment at the Fermi National Laboratory reported a 4.2$\sigma$ discrepancy between the measured magnetic dipole moment of the muon, and its prediction in the Standard Model (SM). In this study, we address the anomaly by…

High Energy Physics - Phenomenology · Physics 2021-12-17 Jan Tristram Acuña , Patrick Stengel , Piero Ullio

We analyze the NUGM + NUHM2 model and study the implications of recent experimental constraints on the parameter space of this model. We also explore the nature of dark matter in this model and present the parameter space characterized by…

High Energy Physics - Phenomenology · Physics 2023-02-07 M. Adeel Ajaib , Fariha Nasir

We calculate the new physics effects on the anomalous magnetic moment of the muon in the framework of the two Higgs doublet model. We predict an upper bound for the lepton flavor violating coupling, which is responsible for the point like…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. O. Iltan , H. Sundu

One of the most promising quantities for the search of signatures of physics beyond the Standard Model is the anomalous magnetic moment $g-2$ of the muon, where a comparison of the experimental result with the Standard Model estimate yields…

High Energy Physics - Lattice · Physics 2020-02-03 Vera Gülpers

A precision measurement of the anomalous magnetic moment (g-2) of the muon has been made by the E821 collaboration at BNL. This paper is a written version of a ``hot topics'' talk at ICAP2002 (Cambridge, MA). The principles of the…

High Energy Physics - Experiment · Physics 2019-08-14 William Morse

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 point out that the anomaly of the muon $g-2$ can be easily explained in a focus point supersymmetry scenario, which realizes the semi-natural supersymmetry. Among known focus point supersymmetry scenarios, we find that a model based on…

High Energy Physics - Phenomenology · Physics 2015-08-26 Keisuke Harigaya , Tsutomu T. Yanagida , Norimi Yokozaki

We propose a simple model to obtain sizable muon anomalous magnetic dipole moment (muon $g-2$) introducing several $SU(2)_L$ multiplet fields without any additional symmetries. The neutrino mass matrix is simply induced via type-II seesaw…

High Energy Physics - Phenomenology · Physics 2025-02-04 Takaaki Nomura , Hiroshi Okada

We study the Higgs boson mass and the muon anomalous magnetic moment (the muon $g-2$) in a supersymmetric standard model with vector-like generations. The infrared physics of the model is governed by strong renormalization-group effects of…

High Energy Physics - Phenomenology · Physics 2016-11-23 Michinobu Nishida , Koichi Yoshioka

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…

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 2015-05-05 Eung Jin Chun