Measurement of J/ψ photoproduction at large momentum transfer at HERA

Chekanov, S.; Derrick, M.; Magill, S.; Musgrave, B.; Nicholass, D.; Repond, J.; Yoshida, R.; Antonioli, P.; Bari, G.; Bellagamba, L.; Boscherini, D.; Bruni, A.; Bruni, G.; Cindolo, F.; Corradi, M.; Iacobucci, G.; Margotti, A.; Nania, R.; Polini, A.; Antonelli, S.

doi:10.1007/JHEP05(2010)085

Measurement of J/ψ photoproduction at large momentum transfer at HERA

Chekanov, S.

;

Derrick, M.

;

Magill, S.

;

Musgrave, B.

;

Whyte, J.

;et.al.

(2010) Journal of High Energy Physics (Print) — Vol. 2010, n° 5 (2010)

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Authors

Chekanov, S.
Author
Derrick, M.
Author
Magill, S.
Author
Musgrave, B.
Author
Piotrzkowski, KrzysztofUCLouvain
Author
Whyte, J.
Author

Abstract

The proton-dissociative diffractive photoproduction of J/ψ mesons has been studied in ep collisions with the ZEUS detector at HERA using an integrated luminosity of 112 pb<sup>-1</sup>. The cross section is presented as a function of the photon-proton centre-ofmass energy and of the squared four-momentum transfer at the proton vertex. The results are compared to perturbative QCD calculations.

Affiliations

UCLouvainSST/IRMP - Institut de recherche en mathématique et physique

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Chekanov, S., Derrick, M., Magill, S., Musgrave, B., Nicholass, D., Repond, J., Yoshida, R., Antonioli, P., Bari, G., Bellagamba, L., Boscherini, D., Bruni, A., Bruni, G., Cindolo, F., Corradi, M., Iacobucci, G., Margotti, A., Nania, R., Polini, A., et al. (2010). Measurement of J/ψ photoproduction at large momentum transfer at HERA. Journal of High Energy Physics (Print), 2010(5). https://doi.org/10.1007/JHEP05(2010)085 (Original work published 2010)