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Quarkonium Studies at COMPASS Experiment

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Abstract

COMPASS is a fixed-target experiment with wide scientific programme. The main objectives are nucleon structure studies and hadron spectroscopy. A short overview of the physics programme and the apparatus is given. Then, three measurements that have a relation to quarkonium are highlighted and briefly described: a determination of limits on the exotic resonance \(\mathrm {Z}_\mathrm {c}^\pm (3900)\) branching ratio and partial width; study of the gluon Sivers asymmetry in leptoproduction of \(\mathrm {J}/\psi \) resonance and finally the first-ever study of the Drell–Yan process with a transversely polarised target.

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Acknowledgements

Funding was provided by MEYS Czech Republic (Grant No. LM2015058).

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Authors and Affiliations

  1. Charles University, Prague, Czech Republic

    J. Matoušek

  2. Trieste Section of INFN, Trieste, Italy

    J. Matoušek

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  1. J. Matoušek
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On behalf of the COMPASS collaboration

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Correspondence to J. Matoušek.

Additional information

Presented at the workshop “New observables in quarkonium production”, Trento, Italy, 28. 2. – 4. 3. 2016.

This article belongs to the Topical Collection “New Observables in Quarkonium Production”.

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Matoušek, J., On behalf of the COMPASS collaboration. Quarkonium Studies at COMPASS Experiment . Few-Body Syst 58, 126 (2017). https://doi.org/10.1007/s00601-017-1290-6

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