Hadronic production of heavy quarkonia at LHC - INSPIRE

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Hadronic production of heavy quarkonia at LHC

Nov 26, 2014

14 pages

Part of Proceedings, 22nd International Baldin Seminar on High Energy Physics Problems, Relativistic Nuclear Physics and Quantum Chromodynamics, (ISHEPP 2014) : Dubna, Russia, September 15-20, 2014, 020

Published in:

PoS BaldinISHEPPXXII (2014) 020

Contribution to:

- ISHEPP 2014
, 020

Published: Nov 26, 2014 by SISSA

DOI:

10.22323/1.225.0020

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Abstract:

This paper is devoted to phenomenological study of c c ; b -mesons production in high energy hadronic collisions in the framework of NRQCD. We analyze all available experimental data on c c -mesons production and extract non-perturbative NRQCD matrix elements from fitting the data. We show, that measured p T -spectrum of c c -mesons is mainly formed by color singlet com- ponents, while s ( c c 2 ) = s ( c c 1 ) ratio depends strongly on color octet matrix elements; this ratio becomes a highly sensitive tool to study contribution of different terms from the NRQCD ex- pansion. Obtained using NRQCD scaling rules predictions for c b -mesons cross sections are also given.

quantum chromodynamics: nonrelativistic
CERN LHC Coll
p p: scattering
p p: cross section
quarkonium: heavy
chi/b0(10235): hadroproduction
chi/c0(3415): hadroproduction
chi/c0(3415): transverse momentum
transverse momentum: momentum spectrum

References(29)

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