Evidence for simultaneous production of J/ψ and ϒ Mesons

UNSPECIFIED (2016) Evidence for simultaneous production of J/ψ and ϒ Mesons. Physical review letters, 116 (8): 082002. ISSN 1079-7114

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Abstract

We report evidence for the simultaneous production of J/ψ and ϒ mesons in 8.1 fb−1 of data collected at s√=1.96 TeV by the D0 experiment at the Fermilab pp¯ Tevatron Collider. Events with these characteristics are expected to be produced predominantly by gluon-gluon interactions. In this analysis, we extract the effective cross section characterizing the initial parton spatial distribution, σeff=2.2±0.7(stat)±0.9(syst) mb.

Item Type:

Journal Article

Journal or Publication Title:

Physical review letters

Uncontrolled Keywords:

/dk/atira/pure/subjectarea/asjc/3100

Subjects:

?? physics and astronomy(all) ??

Departments:

Faculty of Science and Technology > Physics

ID Code:

78402

Deposited By:

ep_importer_pure

Deposited On:

14 Apr 2016 08:34

Refereed?:

Yes

Published?:

Published

Last Modified:

23 Jan 2024 01:54

URI:

https://eprints.lancs.ac.uk/id/eprint/78402