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Related papers: Clockwork graviton contributions to muon $g-2$

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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

Large Extra Dimensions Models have been proposed to remove the hierarchy problem and give an explanation why the gravity is so much weaker than the other three forces. In this work, we present an analysis of Monte Carlo data events for new…

High Energy Physics - Phenomenology · Physics 2015-07-15 Nady Bakhet , Maxim Yu Khlopov , Tarek Hussein

I present a short review of the present status of the Standard Model prediction of the anomalous magnetic moment of the muon, with special emphasis on the hadronic contributions.

High Energy Physics - Phenomenology · Physics 2007-05-23 Eduardo de Rafael

A contribution from new gauge bosons in the ${SU}(3)_C\otimes {SU}(3)_L \otimes {U}(1)_N$ (3 - 3 - 1) models to the anomalous magnetic moments of the muon is calculated and numerically estimated. In the minimal 3 - 3 - 1 model, a lower…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nguyen Anh Ky , Hoang Ngoc Long , Dang Van Soa

The muon g-2 collaboration has measured the anomalous magnetic g value of the positive muon to within a relative uncertainty of 0.7 parts per million. The result, a_{\mu^+} = 11 659 204(7)(5) x 10^{-10} is in good agreement with the…

High Energy Physics - Experiment · Physics 2019-08-14 Ernst Sichtermann

Supersymmetric models with sub-TeV charginos and sleptons have been a candidate for the origin of the long-standing discrepancy in the muon anomalous magnetic moment (g-2). By gathering all the available LHC Run 2 results, we investigate…

High Energy Physics - Phenomenology · Physics 2021-04-08 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Teppei Kitahara

The recent precise measurement of the muon magnetic anomaly (g-2)_{mu} at BNL opens a window into possible new physics, provided the contribution from hadronic vacuum polarization is well understood. This talk summarizes the development in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andreas Hocker

This brief Letter demonstrates that effects from a $\nc$ space-time geometry will measurably affect the value of $(g-2)_\mu$ inferred from the decay of the muon to an electron plus two neutrinos. If the scale of noncommutivity is ${\cal…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. Hinchliffe , N. Kersting

We analyze LHC data in order to constrain the parameter space of new spin-2 particles universally coupled to the energy-momentum tensor. These new hypothetical particles are the so-called hidden gravitons, whose phenomenology at low…

High Energy Physics - Phenomenology · Physics 2022-02-09 J. A. R. Cembranos , R. L. Delgado , H. Villarrubia-Rojo

In order to address this question, we consider a simple renormalisable and gauge invariant model in which the $Z'$ only has couplings to the electron and muon and their associated neutrinos, arising from mixing with a heavy vector-like…

High Energy Physics - Phenomenology · Physics 2020-07-01 A. E. Cárcamo Hernández , S. F. King , H. Lee , S. J. Rowley

This paper reports the tenth-order contributions to the g-2 of the electron a_e and those of the muon a_mu from the gauge-invariant Set II(c), which consists of 36 Feynman diagrams, and Set II(d), which consists of 180 Feynman diagrams.…

High Energy Physics - Phenomenology · Physics 2015-03-17 T. Aoyama , M. Hayakawa , T. Kinoshita , M. Nio

Constraints from the muon anomalous magnetic dipole moment and lepton flavor violating processes are translated into lower bounds on v_Delta*m_H++ in the Higgs Triplet Model by considering correlations through the neutrino mass matrix. The…

High Energy Physics - Phenomenology · Physics 2010-03-19 Takeshi Fukuyama , Hiroaki Sugiyama , Koji Tsumura

Since the heavy neutrinos of the inverse seesaw mechanism mix largely with the standard ones, the charged currents formed with them and the muons have the potential of generating robust and positive contribution to the anomalous magnetic…

High Energy Physics - Phenomenology · Physics 2021-11-09 João Paulo Pinheiro , C. A. de S. Pires , Farinaldo S. Queiroz , Yoxara S. Villamizar

We examine electron and muon anomalous magnetic dipole moments within a radiative neutrino mass model featuring TeV-scale scalar leptoquarks $S(3,1,-1/3)$ and $R(3,2,1/6)$. We utilize textures with decoupling electron and muon sectors, so…

High Energy Physics - Phenomenology · Physics 2026-02-19 Bayu Dirgantara , J. Julio

We consider the subleading contributions of the hadronic vacuum polarization, involving the $\pi^0\gamma^*\gamma^*$ transition form factor, to the muon anomalous magnetic moment $g-2$. Various models for the form factor, based on hadronic…

High Energy Physics - Phenomenology · Physics 2018-02-14 Deog Ki Hong , Du Hwan Kim , Jong-Wan Lee

We study an electroweak gauge extension of the standard model, so called 3-4-1 model, which does not contain exotic electric charges and it is anomaly free. We discuss phenomenological constraints of the model and compute all the…

High Energy Physics - Phenomenology · Physics 2015-11-26 D. Cogollo

The recent precise measurement of the $W$-mass by the CDF II collaboration is indicative of new physics beyond the Standard Model. On the other hand, a resolution of the longstanding muon $g-2$ anomaly also calls for additional dynamics. In…

High Energy Physics - Phenomenology · Physics 2022-06-24 Nabarun Chakrabarty

About 3 sigma deviation from the standard model prediction of muon anomalous magnetic moment (muon g-2) has been reported. We consider new physics beyond the standard model which has new Yukawa interactions with muon. We compute new…

High Energy Physics - Phenomenology · Physics 2015-06-05 Shunichi Kanemitsu , Kazuhiro Tobe

We analyze the muon anomalous magnetic moment in the context of universal extra dimensions. Our computation shows that the bound from electroweak data on the size of these dimensions allows only a small shift in the muon magnetic moment…

High Energy Physics - Phenomenology · Physics 2009-11-07 Thomas Appelquist , Bogdan A. Dobrescu

We study the contribution of new sets of two-loop Barr-Zee type diagrams to the anomalous magnetic moment of the muon within the two-Higgs-doublet model framework. We show that some of these contributions can be quite sizeable for a large…

High Energy Physics - Phenomenology · Physics 2015-05-19 Victor Ilisie