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Measurement of J/ψ production in pp collisions at √s=2.76 TeV
Authors
R Aaij
A Adametz
+90 more
B Adeva
M Adinolfi
C Adrover
A Affolder
Z Ajaltouni
J Albrecht
F Alessio
M Alexander
S Ali
G Alkhazov
AA Alves
S Amato
Y Amhis
L Anderlini
J Anderson
R Andreassen
RB Appleby
F Archilli
A Artamonov
M Artuso
E Aslanides
G Auriemma
S Bachmann
JJ Back
C Baesso
V Balagura
W Baldini
RJ Barlow
C Barschel
S Barsuk
W Barter
A Bates
T Bauer
A Bay
J Beddow
I Bediaga
S Belogurov
K Belous
I Belyaev
E Ben-Haim
M Benayoun
G Bencivenni
S Benson
J Benton
A Berezhnoy
R Bernet
CA Beteta
MO Bettler
A Bien
S Bifani
T Bird
A Bizzeti
PM Bjørnstad
T Blake
F Blanc
C Blanks
J Blouw
S Blusk
A Bobrov
V Bocci
A Bondar
N Bondar
W Bonivento
S Borghi
A Borgia
TJV Bowcock
E Bowen
C Bozzi
T Brambach
J Bressieux
D Brett
M Britsch
T Britton
NH Brook
H Brown
I Burducea
A Bursche
J Buytaert
A Büchler-Germann
S Cadeddu
O Callot
M Calvi
A Camboni
P Campana
A Carbone
PA Cartelle
MC Gomez
OA Gutierrez
M Van Beuzekom
J Van Den Brand
Publication date
1 January 2013
Publisher
Abstract
The production of J/ψ mesons is studied with the LHCb detector using data from pp collisions at √s=2.76 TeV corresponding to an integrated luminosity of 71 nb-1. The differential cross-section for inclusive J/ψ production is measured as a function of its transverse momentum p T. The cross-section in the fiducial region 0 < p T < 12 GeV/c and rapidity 2.0 < y < 4.5 is measured to be 5.6 ± 0.1 (stat) ± 0.4 (syst) μb, with the assumption of unpolarised J/ψ production. The fraction of J/ψ production from b-hadron decays is measured to be (7.1 ± 0.6 (stat) ± 0.7 (syst))%. © 2013 CERN for the benefit of the LHCb collaboration
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Last time updated on 30/09/2015