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research article
Observation of double charm production involving open charm in pp collisions at root s=7 TeV
The production of J/psi 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/psi and open charm cross-sections. The properties of these events are studied and compared to theoretical predictions.
Type
research article
Web of Science ID
WOS:000306418300050
Authors
Aaij, R.
•
Abellan Beteta, C.
•
Adeva, B.
•
Adinolfi, M.
•
Adrover, C.
•
Affolder, A.
•
Ajaltouni, Z.
•
Albrecht, J.
•
Alessio, F.
•
Alexander, M.
Corporate authors
LHCb Collaboration
Publication date
2012
Publisher
Published in
Volume
6
Start page
141
Subjects
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
February 27, 2013
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