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相关论文: Recent Result from E821 Experiment on Muon g-2 and…

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The new measurement of the anomalous magnetic moment of the muon by the Brookhaven AGS experiment 821 again shows a discrepancy with the Standard Model value. We investigate the consequences of these new data for neutralino dark matter,…

天体物理学 · 物理学 2014-10-13 Edward A. Baltz , P. Gondolo

We study the deflected anomaly-mediated supersymmetry breaking (AMSB) scenario in the light of the recent result of the muon g-2 from Brookhaven E821 experiment. The E821 result suggests the deviation from the SM prediction, though there…

高能物理 - 唯象学 · 物理学 2014-11-17 Nobutaka Abe , Motoi Endo

The anomalous magnetic moment of the muon has been measured to 0.5 ppm in a series of precision experiments at the Brookhaven Alternating Gradient Synchrotron. The individual results for each sign: a(mu+)= 11 659 204(7)(5) E-10 and a(mu-) =…

高能物理 - 唯象学 · 物理学 2007-05-23 Priscilla Cushman

The recent measurement of a_\mu =\frac{g_\mu -2}{2} by the E821 Collaboration at Brookhaven deviates from the quoted Standard Model (SM) central value prediction by 2.6\sigma. The difference between SM theory and experiment may be easily…

高能物理 - 唯象学 · 物理学 2009-11-07 Howard Baer , Csaba Balazs , Javier Ferrandis , Xerxes Tata

Muon g-2 anomaly, which is mismatch between the theoretical and the experimental values of the anomalous magnetic moment of muons, provides a sensitive probe of new physics. In SUSY, if masses of the superpartners relevant to the muon g-2…

高能物理 - 唯象学 · 物理学 2015-08-21 Takahiro Yoshinaga

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…

高能物理 - 唯象学 · 物理学 2021-11-02 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha

We compute the supersymmetric contribution to the anomalous magnetic moment of the muon within the context of $SU(5)\times U(1)$ supergravity models. The largest possible contributions to $a^{susy}_\mu$ occur for the largest allowed values…

高能物理 - 唯象学 · 物理学 2009-10-22 J. Lopez , D. Nanopoulos , X. Wang

The ongoing high precision E821 Brookhaven National Laboratory experiment on muon g-2 is promising to probe a theory involving supersymmetry. We have studied the constraints on the minimal Anomaly Mediated Supersymmetry Breaking (AMSB)…

高能物理 - 唯象学 · 物理学 2009-10-31 Utpal Chattopadhyay , Dilip Kumar Ghosh , Sourov Roy

We review the current status of the Brookhaven muon g - 2 experiment, and it's effects on the SUSY parameter space when combined with dark matter relic density bounds, b->s\gamma and Higgs mass constraints. If the 3\sigma deviation of g - 2…

高能物理 - 唯象学 · 物理学 2017-08-23 R. Arnowitt , B. Dutta

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…

高能物理 - 唯象学 · 物理学 2021-07-14 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Teppei Kitahara

The new CDF II measurement of $W$-boson mass shows a 7$\sigma$ deviation from the Standard Model (SM) prediction, while the recent FNAL measurement of the muon $g-2$ shows a 4.2$\sigma$ deviation (combined with the BNL result) from the SM.…

高能物理 - 唯象学 · 物理学 2022-06-14 Jin Min Yang , Yang Zhang

This White Paper briefly reviews the present status of the muon (g-2) experiment and the physics motivation for a new effort. The present comparison between experiment and theory indicates a tantalizing $3.4 \sigma$ deviation. An…

高能物理 - 唯象学 · 物理学 2007-06-01 David W. Hertzog , James P. Miller , Eduardo de Rafael , B. Lee Roberts , Dominik Stockinger

We examine the recently observed deviation of the muon g - 2 from the Standard Model prediction within the framework of gravity mediated SUGRA models with R parity invariance. Universal soft breaking (mSUGRA) models, and models with…

高能物理 - 唯象学 · 物理学 2008-11-26 R. Arnowitt , B. Dutta , B. Hu , Y. Santoso

The discovery of the Higgs boson at the Large Hadron Collider (LHC) has a great impact on the minimal supersymmetric extension of the Standard Model (MSSM). In the context of the constrained MSSM (CMSSM) and its extension with non-universal…

高能物理 - 唯象学 · 物理学 2014-07-23 Nobuchika Okada , Shabbar Raza , Qaisar Shafi

The supersymmetric contribution to the muon g-2 is studied in light of the finalization of the LEP electroweak precision data. The recent precise measurement of the muon g-2 of E821 experiment is explained well by the relatively light…

高能物理 - 唯象学 · 物理学 2007-05-23 Gi-Chol Cho

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…

高能物理 - 唯象学 · 物理学 2015-06-15 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Takahiro Yoshinaga

We study supersymmetric (SUSY) models in which the muon $g-2$ discrepancy and the dark matter relic abundance are simultaneously explained. The muon $g-2$ discrepancy, or a 3$\sigma$ deviation between the experimental and theoretical…

高能物理 - 唯象学 · 物理学 2017-06-12 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Keisuke Yanagi

We study the muon anomalous magnetic dipole moment in supersymmetric theories. The impact of the recent Brookhaven E821 experimental measurement on both model-independent and model-dependent supersymmetric parameter spaces is discussed in…

高能物理 - 唯象学 · 物理学 2009-11-07 Stephen P. Martin , James D. Wells

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…

高能物理 - 唯象学 · 物理学 2022-01-05 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha

We consider the possibility that the muon g-2 anomaly, $\delta(g-2)$, finds its origins in low energy supersymmetry (SUSY). In the general MSSM the parameter space consistent with $\delta(g-2)$ and correct dark matter relic density of the…

高能物理 - 唯象学 · 物理学 2015-07-06 Kamila Kowalska , Leszek Roszkowski , Enrico Maria Sessolo , Andrew J. Williams
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