منابع مشابه
Dark-Matter Electric and Magnetic Dipole Moments
We consider the consequences of a neutral dark-matter particle with a nonzero electric and/or magnetic dipole moment. Theoretical constraints, as well as constraints from direct searches, precision tests of the standard model, the cosmic microwave background and matter power spectra, and cosmic gamma rays, are included. We find that a relatively light particle with mass between an MeV and a few...
متن کاملWeak Magnetic Dipole Moments in the MSSM ∗
We calculate the weak magnetic dipole moment of different fermions in the MSSM. In particular, we consider in detail the predictions for the WMDM of the τ lepton and bottom quark. We compare the purely SUSY contributions with two Higss doublet models and SM predictions. For the τ lepton, we show that chargino diagrams give the main SUSY contribution, which for tan β = 50 can be one order of mag...
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We investigate the effects of the magnetic dipole-dipole coupling and the electromagnetic radiation on the frequency evolution of gravitational waves from inspiralling binary neutron stars with magnetic dipole moments. This study is motivated by the discovery of the superstrongly magnetized neutron stars, i.e., magnetar. We derive the contributions of the magnetic fields to the accumulated cycl...
متن کاملMagnetic dipole and electric quadrupole moments of the 229Th nucleus
M. S. Safronova,1,2 U. I. Safronova,3,4 A. G. Radnaev,5,6 C. J. Campbell,6 and A. Kuzmich6 1Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA 2Joint Quantum Institute, NIST and the University of Maryland, College Park, Maryland 20742, USA 3Physics Department, University of Nevada, Reno, Nevada 89557, USA 4Department of Physics, University of Notre Dame, No...
متن کاملAnomalous Magnetic and Electric Dipole Moments of the Tau
This paper reviews the theoretical predictions for and the experimental measurements of the anomalous magnetic and electric dipole moments of the tau lepton. In particular, recent analyses of the ee → ττγ process from the L3 and OPAL collaborations are described. The most precise results, from L3, for the anomalous magnetic and electric dipole moments respectively are: aτ = 0.004 ± 0.027 ± 0.02...
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ژورنال
عنوان ژورنال: Physical Review C
سال: 2010
ISSN: 0556-2813,1089-490X
DOI: 10.1103/physrevc.81.014314