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Within framework of the $\mu$ from $\nu$ Supersymmetric Standard Model ($\mu\nu$SSM), three exotic right-handed neutrino superfields induce new sources for lepton-flavor violation. In this work, we investigate muon conversion to electron in…

High Energy Physics - Phenomenology · Physics 2014-02-26 Hai-Bin Zhang , Tai-Fu Feng , Guo-Hui Luo , Zhao-Feng Ge , Shu-Min Zhao

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

We report low-temperature $^{115}$In nuclear magnetic resonance (NMR) study of the prototypical heavy-fermion compound CeIrIn$_5$ in high magnetic fields applied close to the crystallographic $c$ axis. For this orientation, a field-induced…

Strongly Correlated Electrons · Physics 2026-04-30 Y. Tokunaga , M. -T. Suzuki , S. Krämer , H. Sakai , S. Kambe , H. Harima , D. Aoki , M. Horvatić , I. Sheikin

We combine the constraint suggested by the recent BNL E821 measurement of the anomalous magnetic moment of the muon on the parameter space of the constrained MSSM (CMSSM) with those provided previously by LEP, the measured rate of b to s…

High Energy Physics - Phenomenology · Physics 2009-09-11 J. Ellis , D. V. Nanopoulos , K. A. Olive

The muon-to-electron conversion in nuclei like aluminum, titanium and gold is studied in the context of a class of mirror fermion model with non-sterile right-handed neutrinos having mass at the electroweak scale. At the limit of zero…

High Energy Physics - Phenomenology · Physics 2018-08-01 P. Q. Hung , Trinh Le , Van Que Tran , Tzu-Chiang Yuan

A new superferric magnetic storage ring with highly homogeneous field at 1.45 T and weak electrostatic focussing is described which has been set up at the Brookhaven National Laboratory (BNL), USA, for a precision measurement of the…

Atomic Physics · Physics 2016-09-08 K. Jungmann

A muon collider is expected to produce a high intensity neutrino beam which is an admixture of either $\nu_{\mu}+\bar{\nu_e}$ or $\bar{\nu}_{\mu} +\nu_e$ which can can be directed to underground detectors far away from the source. It will…

High Energy Physics - Phenomenology · Physics 2011-07-19 R. N. Mohapatra

Electron polarization induced by magnetic fields can modify the potentials relevant for describing neutrino conversions in media with magnetic fields. The magnitudes of polarization potentials are determined for different conditions. We…

High Energy Physics - Phenomenology · Physics 2009-09-17 H. Nunokawa , V. B. Semikoz , A. Yu. Smirnov , J. W. F. Valle

We report the synthesis, x-ray diffraction, magnetic susceptibility and specific heat measurements on polycrystalline samples of undoped LiNi2P3O10 and samples with non-magnetic impurity (Zn2+, S = 0) and magnetic impurity (Cu2+, S = 1/2)…

Strongly Correlated Electrons · Physics 2011-10-28 P. Khuntia , A. V. Mahajan

Muon colliders offer special opportunities to discover and study new physics. With the high intensity source of muons at the front end, orders of magnitude improvements would be realized in searches for rare muon processes, in deep…

High Energy Physics - Phenomenology · Physics 2009-10-31 V. Barger

Deuteron-triton (DT) fusion is the primary fusion reaction used in controlled fusion research, mainly for its relatively high reaction cross sections compared to other fusion options. Even so, to attain appreciable reaction probabilities…

Atomic Physics · Physics 2020-07-22 Xu Wang

We present a detailed report of the method, setup, analysis and results of a precision measurement of the positive muon lifetime. The experiment was conducted at the Paul Scherrer Institute using a time-structured, nearly 100%-polarized,…

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

A superconducting-to-magnetic transition is reported for LaFe$_{1-x}$Mn$_x$AsO$_{0.89}$F$_{0.11}$ where a per thousand amount of Mn impurities is dispersed. By employing local spectroscopic techniques like muon spin rotation (muSR) and…

Superconductivity · Physics 2014-04-08 F. Hammerath , P. Bonfá , S. Sanna , G. Prando , R. De Renzi , Y. Kobayashi , M. Sato , P. Carretta

The Muon $g-2$ collaboration at Fermilab has announced their final result of the anomalous magnetic moment of the muon. By adopting the lattice-QCD evaluation of the leading-order hadronic-vacuum-polarization, this result is now in…

High Energy Physics - Phenomenology · Physics 2025-11-11 Ming-Wei Li , Xiao-Gang He , Andrew Cheek , Xinhui Chu

The muon is playing a unique role in sub-atomic physics. Studies of muon decay both determine the overall strength and establish the chiral structure of weak interactions, as well as setting extraordinary limits on…

High Energy Physics - Experiment · Physics 2015-06-05 T. P. Gorringe , D. W. Hertzog

The Muon g-2 experiment at Fermilab will measure the anomalous magnetic moment of the muon to a precision of 140 parts per billion, which is a factor of four improvement over the previous E821 measurement at Brookhaven. The experiment will…

High Energy Physics - Experiment · Physics 2018-07-01 J. L. Holzbauer

The 3.6 \sigma discrepancy between the predicted and measured values of the anomalous magnetic moment of positive muons can be explained by the existence of a new dark boson Z_\mu with a mass in the sub-GeV range, which is coupled…

High Energy Physics - Phenomenology · Physics 2015-05-21 S. N. Gninenko , N. V. Krasnikov , V. A. Matveev

A search for an excess of muon-neutrinos from neutralino annihilations in the Sun has been performed with the AMANDA-II neutrino detector using data collected in 143.7 days of live-time in 2001. No excess over the expected atmospheric…

Astrophysics · Physics 2008-11-26 The AMANDA collaboration , M. Ackermann

Muon spin rotation measurements supported by magnetization experiments have been carried out in a stoichiometric high-$T_c$ parent compound La$_2$CuO$_4$ in %the a temperature range from 2~K to 340~K and in transverse magnetic fields up to…