Pair Production of $J/\ensuremath{\psi}$ as a Probe of Double Parton Scattering at LHCb

Pair Production of $J / ψ$ as a Probe of Double Parton Scattering at LHCb

C. H. Kom, A. Kulesza, and W. J. Stirling

Phys. Rev. Lett. 107, 082002 – Published 17 August 2011

Abstract

We argue that the recent LHCb observation of $J / ψ$ -pair production indicates a significant contribution from double parton scattering, in addition to the standard single parton scattering component. We propose a method to measure the double parton scattering at LHCb using leptonic final states from the decay of two prompt $J / ψ$ mesons.

Received 6 June 2011

DOI:https://doi.org/10.1103/PhysRevLett.107.082002

Authors & Affiliations

C. H. Kom¹, A. Kulesza², and W. J. Stirling¹

¹Cavendish Laboratory, J. J. Thomson Avenue, Cambridge CB3 0HE, United Kingdom
²Institute for Theoretical Particle Physics and Cosmology, RWTH Aachen University, D-52056 Aachen, Germany

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Vol. 107, Iss. 8 — 19 August 2011

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Physical Review Letters

Pair Production of J/ψ as a Probe of Double Parton Scattering at LHCb

C. H. Kom, A. Kulesza, and W. J. Stirling

Phys. Rev. Lett. 107, 082002 – Published 17 August 2011

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Pair Production of $J / ψ$ as a Probe of Double Parton Scattering at LHCb