Results 231 to 240 of about 91,619 (270)

The anomalous magnetic moment of the muon in the Standard Model [PDF]

open access: yesPhysics Reports, 2020
Nils Asmussen   +2 more
exaly   +2 more sources

Muon spin spectroscopy

Nature Reviews Methods Primers, 2022
Adrian D Hillier   +2 more
exaly   +2 more sources

Reevaluation of the hadronic vacuum polarisation contributions to the Standard Model predictions of the muon $$g-2$$ g - 2 and $${\alpha (m_Z^2)}$$ α ( m Z 2 ) using newest hadronic cross-section data [PDF]

open access: yesEuropean Physical Journal C, 2017
We reevaluate the hadronic vacuum polarisation contributions to the muon magnetic anomaly and to the running of the electromagnetic coupling constant at the Z-boson mass. We include newest $$e^+e^- \rightarrow \mathrm{hadrons}$$e+e-→hadrons cross-section
Bogdan Malaescu, Zhiqing Zhang
exaly   +2 more sources

Muon detector for a Muon Collider

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2023
A Muon Collider represents a promising possibility to combine the high energy and luminosity of hadron machines with very precise measurements of lepton colliders. The main challenges, that impact both the machine and detector design, arise from the short muon lifetime and the harsh Beam-induced Background (BIB). Therefore, a full simulation is crucial
C. Aimè   +8 more
openaire   +2 more sources

Short-distance constraints for the HLbL contribution to the muon anomalous magnetic moment [PDF]

open access: yesPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2019
Johan Bijnens
exaly   +2 more sources

Demonstration of cooling by the Muon Ionization Cooling Experiment

open access: yesNature, 2020
The use of accelerated beams of electrons, protons or ions has furthered the development of nearly every scientific discipline. However, high-energy muon beams of equivalent quality have not yet been delivered. Muon beams can be created through the decay
M. R. G. Y. P. J. Y. Z. H. R. M. F. R. V. A. D. L. Y. Bogomilov Tsenov Vankova-Kirilova Song Tang Li Ber   +136 more
exaly   +2 more sources

Calculation of the Hadronic Vacuum Polarization Contribution to the Muon Anomalous Magnetic Moment [PDF]

open access: yesPhysical Review Letters, 2018
We present a first-principles lattice QCD+QED calculation at physical pion mass of the leading-order hadronic vacuum polarization contribution to the muon anomalous magnetic moment.
Vera Gülpers, Antonin Portelli
exaly   +2 more sources

Search for muon-electron and muon-positron conversion

Physical Review D, 1988
Limits on the lepton-flavor-violating reactions ${\ensuremath{\mu}}^{\mathrm{\ensuremath{-}}}$+Z\ensuremath{\rightarrow}${e}^{\mathrm{\ensuremath{-}}}$+Z and ${\ensuremath{\mu}}^{\mathrm{\ensuremath{-}}}$+Z\ensuremath{\rightarrow}${e}^{+}$+(Z-2), muon-electron and muon-positron conversion, have been obtained from a search performed at TRIUMF using a ...
, Ahmad   +20 more
openaire   +2 more sources

Muon is Scalable for LLM Training

arXiv.org
Recently, the Muon optimizer based on matrix orthogonalization has demonstrated strong results in training small-scale language models, but the scalability to larger models has not been proven.
Jingyuan Liu   +27 more
semanticscholar   +1 more source

Measurement of the Positive Muon Anomalous Magnetic Moment to 127 ppb.

Physical Review Letters
A new measurement of the magnetic anomaly a_{μ} of the positive muon is presented based on data taken from 2020 to 2023 by the Muon g-2 Experiment at Fermi National Accelerator Laboratory (FNAL).
D. Aguillard   +290 more
semanticscholar   +1 more source

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