| Issue |
EPJ Web Conf.
Volume 130, 2016
MESON 2016 – 14th International Workshop on Meson Production, Properties and Interaction
|
|
|---|---|---|
| Article Number | 05014 | |
| Number of page(s) | 4 | |
| Section | 05 Meson production - contributions | |
| DOI | https://doi.org/10.1051/epjconf/201613005014 | |
| Published online | 29 November 2016 | |
https://doi.org/10.1051/epjconf/201613005014
Exclusive ω meson production at COMPASS
1 Johannes Gutenberg University, Mainz, Germany
2 National Centre for Nuclear Research, Warsaw, Poland
* e-mail: wolf-dieter.nowak@cern.ch
** Supported by the Polish NCN Grant DEC-2011/01/M/ST2/02350.
Published online: 29 November 2016
Exclusive ω meson production is studied by the COMPASS Collaboration using the CERN 160 GeV/c muon beam and a transversely polarised proton target. Single-spin and double-spin asymmetries are measured, some of which are sensitive to the Generalised Parton Distributions E that are related to quark orbital angular momenta. The results, which are sensitive also to the pion-pole contribution to the production mechanism, are compared to the predictions of a phenomenological model.
© The Authors, published by EDP Sciences, 2016
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