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Observation of double charm production involving open charm in pp collisions at $ \sqrt {s} = {7}\;{\text{TeV}}
A bstract The production of J/ψ mesons accompanied by open charm, and of pairs of open charm hadrons are observed in pp collisions at a centre-of-mass energy of 7 TeV using an integrated luminosity of 355 pb −1 collected with the LHCb detector. Model independent measurements of absolute cross-sectio...
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Published in: | The journal of high energy physics 2012-06, Vol.2012 (6), Article 141 |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | A
bstract
The production of J/ψ mesons accompanied by open charm, and of pairs of open charm hadrons are observed in pp collisions at a centre-of-mass energy of 7 TeV using an integrated luminosity of 355 pb
−1
collected with the LHCb detector. Model independent measurements of absolute cross-sections are given together with ratios to the measured J/ψ and open charm cross-sections. The properties of these events are studied and compared to theoretical predictions. |
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ISSN: | 1029-8479 1029-8479 |
DOI: | 10.1007/JHEP06(2012)141 |