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Spin Density Matrix Elements in Exclusive $\omega$ Meson Muoproduction $^*$
- Source :
- Eur.Phys.J.C, Eur.Phys.J.C, 2021, 81 (2), pp.126. ⟨10.1140/epjc/s10052-020-08740-y⟩, European Physical Journal C: Particles and Fields, Vol 81, Iss 2, Pp 1-22 (2021), The European physical journal / C 81(2), 126 (2021). doi:10.1140/epjc/s10052-020-08740-y, European Physical Journal
- Publication Year :
- 2020
-
Abstract
- We report on a measurement of Spin Density Matrix Elements (SDMEs) in hard exclusive $\omega$ meson muoproduction on the proton at COMPASS using 160 GeV/$c$ polarised $ \mu ^{+}$ and $ \mu ^{-}$ beams impinging on a liquid hydrogen target. The measurement covers the range 5.0 GeV/$c^2$ $< W<br />Comment: 31 pages, 12 figures, 1 appendix
- Subjects :
- virtual [photon]
generalized parton distribution
Physics and Astronomy (miscellaneous)
Hadron
parton: distribution function
Virtual particle
Parton
SDME
COMPASS
01 natural sciences
Omega
High Energy Physics - Experiment
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
spin: density matrix
Nuclear Experiment
Quantum chromodynamics
Physics
density matrix [spin]
vector meson
helicity: conservation law
Helicity
kinematics
omega(783): production
Production (computer science)
distribution function [parton]
Particle Physics - Experiment
exclusive reaction
Particle physics
liquid: target [hydrogen]
Meson
polarization: longitudinal
lcsh:Astrophysics
muon p --> muon p omega(783)
transverse momentum
meson
hydrogen: liquid: target
lcsh:QB460-466
0103 physical sciences
polarization: transverse
ddc:530
lcsh:Nuclear and particle physics. Atomic energy. Radioactivity
010306 general physics
Engineering (miscellaneous)
DIS
background
muon: beam
010308 nuclear & particles physics
hep-ex
High Energy Physics::Phenomenology
conservation law [helicity]
Automatic Keywords
lcsh:QC770-798
High Energy Physics::Experiment
experimental results
photon: virtual
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Eur.Phys.J.C, Eur.Phys.J.C, 2021, 81 (2), pp.126. ⟨10.1140/epjc/s10052-020-08740-y⟩, European Physical Journal C: Particles and Fields, Vol 81, Iss 2, Pp 1-22 (2021), The European physical journal / C 81(2), 126 (2021). doi:10.1140/epjc/s10052-020-08740-y, European Physical Journal
- Accession number :
- edsair.doi.dedup.....26f55b5ab6c5c0fb8f8e45a13eecafa2