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Related papers: The g-2 of the Muon in Localized Gravity Models

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In the Randall-Sundrum model, a bulk neutrino field in the 5-dimensional space-time can give rise to tiny Dirac masses to neutrinos. In such a scenario, we have computed the contribution of the bulk neutrino field to the anomalous magnetic…

High Energy Physics - Phenomenology · Physics 2012-09-18 R. S. Hundi , Sourov Roy , Soumitra SenGupta

We study the effects of the Kaluza-Klein gravitons in the Randall-Sundrum model on the recent BNL measurements of the muon (g-2) deviation from the standard model prediction. By examining the J-partial wave unitarity bounds of the elastic…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. S. Kim , J. D. Kim , Jeonghyeon Song

We investigate the possibility to interpret the muon $g-2$ anomaly in terms of a massive spin-2 particle, $G$, which can be identified as the first Kaluza-Klein graviton in the generalized Randall-Sundrum model. In particular, we obtain the…

High Energy Physics - Phenomenology · Physics 2023-02-22 Da Huang , Chao-Qiang Geng , Jiajun Wu

We investigate simplified models of new physics that can accommodate the measured value of the anomalous magnetic moment of the muon and the relic density of dark matter. We define a set of renormalizable, SU(2)$\times$U(1) invariant…

High Energy Physics - Phenomenology · Physics 2017-09-29 Kamila Kowalska , Enrico Maria Sessolo

Anomalous magnetic moment of the muon (muon g-2) is one of the most precisely measured quantities in particle physics. At the same time, it can be evaluated in the Standard Model with an unprecedented accuracy. The Muon g-2 experiment at…

High Energy Physics - Lattice · Physics 2021-02-03 Marina Krstic Marinkovic , Nuno Cardoso

The recently published result from the Fermilab "MUON G-2" experiment has confirmed the persistent 3-4 $\sigma$ discrepancy between the experimental result from BNL for the anomalous magnetic moment of the muon, $(g-2)_\mu$ , and its…

High Energy Physics - Phenomenology · Physics 2021-11-02 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha

The very precise measurement of the anomalous magnetic moment of the muon, recently released by the Muon g-2 experiment at Fermilab, can serve to set stringent constraints on new particles. If the observed 4$\sigma$ discrepancy from the…

High Energy Physics - Phenomenology · Physics 2021-12-24 J. C. Criado , A. Djouadi , N. Koivunen , K. Müürsepp , M. Raidal , H. Veermäe

In this paper we calculate the $(g-2)_{\mu}$ contribution due to a light stabilized radion using the radion couplings both to the kinetic energy and the mass term of the muon. We find that the $(g-2)_{\mu}$ contribution due to radion…

High Energy Physics - Phenomenology · Physics 2009-11-07 Prasanta Das , Uma Mahanta

The muon magnetic anomaly, $a_{\mu}=(g_{\mu}-2)/2$, plays a special role in the history of the Standard Model (SM). Precise calculations and measurements of this fundamental quantity provide a stringent test of the SM and a window to the…

High Energy Physics - Experiment · Physics 2025-06-17 Alex Keshavarzi , Kim Siang Khaw , Tamaki Yoshioka

The new measurement of the muon's anomalous magnetic moment released by the Muon g-2 experiment at Fermilab sets strong constraints on the properties of many new particles. Using an effective field theory approach to the interactions of…

High Energy Physics - Phenomenology · Physics 2021-07-07 Juan C. Criado , Abdelhak Djouadi , Niko Koivunen , Kristjan Müürsepp , Martti Raidal , Hardi Veermäe

Light scalars can in principle couple to both bulk matter and fermion spin, with hierarchically disparate strengths. Storage ring measurements of fermion electromagnetic moments via spin precession can be sensitive to such a force, sourced…

High Energy Physics - Phenomenology · Physics 2023-05-10 Hooman Davoudiasl , Robert Szafron

The phenomenology of the Randall-Sundrum model of localized gravity is analyzed in detail for the two scenarios where the Standard Model (SM) gauge and matter fields are either confined to a TeV scale 3-brane or may propagate in a slice of…

High Energy Physics - Phenomenology · Physics 2009-07-09 H. Davoudiasl , J. L. Hewett , T. G. Rizzo

We study the muon anomalous magnetic moment $(g-2)_{\mu}$ in the context of the reduced minimal 3-3-1 model recently proposed in the literature. In particular, its spectrum contains a doubly charged scalar ($H^{\pm \pm}$) and gauge boson…

High Energy Physics - Phenomenology · Physics 2014-06-20 Chris Kelso , P. R. D. Pinheiro , Farinaldo S. Queiroz , William Shepherd

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

Based on the bound state description of the muon and general relativistic covariant quantum field theory, we illustrate with a simple composite model that the observed deviation of (g-2)_\mu can be a demonstration of the substructure of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yuan-Ben Dai , Chao-Shang Huang , Ailin Zhang

We discuss issues in an attempt to put the Standard Model (SM) in five-dimensional anti-de Sitter spacetime compactified on $S^1/Z_2$. The recently-proposed approach to the gauge hierarchy problem by using this background geometry, with the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Sanghyeon Chang , Junji Hisano , Hiroaki Nakano , Nobuchika Okada , Masahiro Yamaguchi

We generalize the computation of supersymmetric contributions to the muon anomalous magnetic moment (g-2)_mu to the NMSSM. In the presence of a light CP-odd Higgs scalar, these can differ considerably from the MSSM. We discuss the amount of…

High Energy Physics - Phenomenology · Physics 2009-05-29 Florian Domingo , Ulrich Ellwanger

The $\mu\nu$SSM is a highly predictive alternative model to the MSSM. In particular, the electroweak sector of the model can explain the longstanding discrepancy between the experimental result for the anomalous magnetic moment of the muon,…

High Energy Physics - Phenomenology · Physics 2021-09-29 Sven Heinemeyer , Essodjolo Kpatcha , Iñaki Lara , Daniel E. López-Fogliani , Carlos Muñoz , Natsumi Nagata

We show that the gravitino contribution to (g-2)_{\mu} is finite in many popular supergravity models, including no-scale supergravity and string and M-theory models. This contribution is greatly enhanced for very light gravitino masses, and…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Li , J. Lopez , D. Nanopoulos

Recently bulk Randall-Sundrum theories with the gauge group $SU(2)_L \times SU(2)_R \times U(1)_{B-L}$ have drawn a lot of interest as an alternative to electroweak symmetry breaking mechanism. These models are in better agreement with…

High Energy Physics - Phenomenology · Physics 2009-11-11 Sanghyeon Chang , Seong Chan Park , Jeonghyeon Song
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