Results 111 to 120 of about 188,661 (256)

Muon Capture and Muon Lifetime

open access: yes, 2003
We survey a new generation of precision muon lifetime experiments. The goal of the MuCap experiment is a determination of the rate for muon capture on the free proton to 1 percent, from which the induced pseudoscalar form factor $g_P$ of the nucleon can be derived with 7 percent precision. A measurement of the related $ $d capture process with similar
openaire   +2 more sources

The Physics Case for an Electron-Muon Collider

open access: yesAdvances in High Energy Physics, 2021
An electron-muon collider with an asymmetric collision profile targeting multi-ab-1 integrated luminosity is proposed. This novel collider, operating at collision energies of, e.g., 20–200 GeV, 50–1000 GeV, and 100–3000 GeV, would be able to probe ...
Meng Lu   +8 more
doaj   +1 more source

Help can harm: Unintended consequences of child protection and parenting support for Vietnamese immigrant families in Germany

open access: yesEthos, EarlyView.
Abstract In this paper, we explore the unintended consequences of parenting support and child protection services for families who have migrated from Vietnam to Berlin, Germany. We identify such negative consequences on three levels: The relationship between practitioners and parents was, contrary to good intentions, often characterized by tensions and
Nga Thi Thanh Mai, Gabriel Scheidecker
wiley   +1 more source

Present Status of Spectroscopy of the Hyperfine Structure and Repolarization of Muonic Helium Atoms at J-PARC

open access: yesPhysics
The mass mμ− of the negative muon is one of the parameters of the elementary particle Standard Model and it allows us to verify the CPT (charge–parity–time) symmetry theorem by comparing mμ− value with the mass mμ+ of the positive muon.
Seiso Fukumura   +15 more
doaj   +1 more source

Using muons to probe for new physics [PDF]

open access: yes, 1997
Searches for new physics using muons are reviewed. Particular attention is paid to muon number non-conserving processes, like the decay muon-->e+gamma and muon-electron conversion in muonic atoms. Also, experimental determinations and theoretical predictions for the muon anomalous magnetic moment are reviewed.
arxiv   +1 more source

Beamline Optimisation for High-Intensity Muon Beams at PSI Using the Heterogeneous Island Model

open access: yesParticles
The High Intensity Muon Beams (HIMB) project at the Paul Scherrer Institute (PSI) will deliver muon beams with unprecedented intensities of up to 1010muons/s for next-generation particle physics and material science experiments.
Eremey Valetov   +4 more
doaj   +1 more source

Local Magnetic Susceptibility of the Positive Muon in the Quasi 1D S=1/2 Antiferromagnet KCuF$_3$

open access: yes, 2002
We report muon spin rotation measurements of the local magnetic susceptibility around a positive muon in the paramagnetic state of the quasi one-dimensional spin 1/2 antiferromagnet KCuF$_3$.
Brewer   +19 more
core   +1 more source

A Model of the Muon

open access: yes, 2017
A geometrical/mechanical model of the muon has been developed based on a previous detailed model of the electron and the fine structure constant. The anomalous magnetic moment and lifetime have been calculated in terms of muon component parts. Known features of the tauon have also been related to the muon.
openaire   +1 more source

Observation of seasonal variation of atmospheric multiple-muon events in the NOvA Near Detector [PDF]

open access: yes, 2019
Using two years of data from the NOvA Near Detector at Fermilab, we report a seasonal variation of cosmic ray induced multiple-muon (Nμ≥2) event rates which has an opposite phase to the seasonal variation in the atmospheric temperature.
Acero, MA   +99 more
core  

The future prospects of muon colliders and neutrino factories

open access: yes, 2019
The potential of muon beams for high energy physics applications is described along with the challenges of producing high quality muon beams. Two proposed approaches for delivering high intensity muon beams, a proton driver source and a positron driver ...
Boscolo, Manuela   +2 more
core   +1 more source

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