Results 41 to 50 of about 2,345,899 (251)

The neutrino magnetic moment portal: cosmology, astrophysics, and direct detection [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2020
We revisit the physics of neutrino magnetic moments, focusing in particular on the case where the right-handed, or sterile, neutrinos are heavier (up to several MeV) than the left-handed Standard Model neutrinos.
V. Brdar   +3 more
semanticscholar   +1 more source

Beyond the soft photon approximation in radiative production and decay of charged vector mesons [PDF]

open access: yes, 2001
We study the effects of model-dependent contributions and the electric quadrupole moment of vector mesons in the decays $V^- \to P^-P^0\gamma$ and $\tau^- \to \nu V^-\gamma$.
G López Castro   +6 more
core   +2 more sources

A new approach for measuring the muon anomalous magnetic moment and electric dipole moment [PDF]

open access: yesProgress of Theoretical and Experimental Physics, 2019
This paper introduces a new approach to measure the muon magnetic moment anomaly |$a_{\mu} = (g-2)/2$| and the muon electric dipole moment (EDM) |$d_{\mu}$| at the J-PARC muon facility. The goal of our experiment is to measure |$a_{\mu}$| and |$d_{\mu}$|
M. Abe   +99 more
semanticscholar   +1 more source

New physics explanations of aμ in light of the FNAL muon g − 2 measurement [PDF]

open access: yesJournal of High Energy Physics, 2021
The Fermilab Muon g −2 experiment recently reported its first measurement of the anomalous magnetic moment aμFNAL\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy ...
P. Athron   +5 more
semanticscholar   +1 more source

On the role of chirality flips for the muon magnetic moment and its relation to the muon mass

open access: yesFrontiers of Physics, 2022
The muon mass and the anomalous magnetic moment a μ are quantities which require chirality flips, i.e., transitions between left- and right-handed muons. Muon chirality flips are connected to electroweak symmetry breaking and Yukawa couplings.
D. Stöckinger, H. Stöckinger-Kim
semanticscholar   +1 more source

Emergent Moments and Random Singlet Physics in a Majorana Spin Liquid [PDF]

open access: yesPhysical Review Letters, 2021
We exhibit an exactly solvable example of a SU(2) symmetric Majorana spin liquid phase, in which quenched disorder leads to random-singlet phenomenology. More precisely, we argue that a strong-disorder fixed point controls the low temperature susceptibility $ (T)$ of an exactly solvable $S=1/2$ model on the decorated honeycomb lattice with quenched ...
Sambuddha Sanyal   +3 more
openaire   +5 more sources

Naturalness Bounds on Dipole Moments from New Physics [PDF]

open access: yesPhysical Review Letters, 2002
4 pages, 2 ...
Takashi Hattori   +2 more
openaire   +4 more sources

Searching for New Physics Through AMO Precision Measurements

open access: yes, 2012
We briefly review recent experiments in atomic, molecular, and optical physics using precision measurements to search for physics beyond the Standard Model.
Aoyama T   +18 more
core   +1 more source

Dynamical CP Violation and Flavour-Changing Processes [PDF]

open access: yes, 2001
We investigate the phenomenological constraints on a model where, besides the standard model Higgs sector, there is an effective new strong interaction acting on the third generation of quarks and characterized by a $\theta$-like term. This $\theta$ term
Abashian   +32 more
core   +2 more sources

How Magnetic is the Neutrino?

open access: yes, 2007
The existence of a neutrino magnetic moment implies contributions to the neutrino mass via radiative corrections. We derive model-independent "naturalness" upper bounds on the magnetic moments of Dirac and Majorana neutrinos, generated by physics above ...
Bell, Nicole F.
core   +1 more source

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