Sivers Asymmetry in J/psi Production in COMPASS 2010 Proton Data

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F16%3A10334336" target="_blank" >RIV/00216208:11320/16:10334336 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1088/1742-6596/678/1/012050" target="_blank" >http://dx.doi.org/10.1088/1742-6596/678/1/012050</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1742-6596/678/1/012050" target="_blank" >10.1088/1742-6596/678/1/012050</a>

Result language
angličtina
Original language name
Sivers Asymmetry in J/psi Production in COMPASS 2010 Proton Data
Original language description
The Sivers asymmetry in J/psi production in scattering of muons off transversely polarized protons mu(+)+p up arrow -> mu(+) + J/psi+ X is measured in two z-bins (inclusive and exclusive production) in the COMPASS 2010 data. Only J/psi's decaying into muons are detected. About 2 230 and 4 450 J/psi events in the lower and the higher z-bins are found. The Sivers asymmetry is extracted using a simple double-ratio method and is found to be compatible with zero in the lower z bin and to have a slight preference for negative values in the higher z bin.
Czech name
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Czech description
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Project
<a href="/en/project/LM2015058" target="_blank" >LM2015058: Research Infrastructure for Experiments at CERN</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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