# J/$$\psi$$ production in proton-proton collisions at ALICE LHC

Kour, Ravjeet (2011). J/$$\psi$$ production in proton-proton collisions at ALICE LHC. University of Birmingham. Ph.D.

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## Abstract

A Large Ion Collider Experiment (ALICE) studies the strong interaction part (Quantum Chromo Dynamics) of the Standard Model at the CERN Large Hadron Collider. ALICE has been designed as a general-purpose heavy-ion detector in order to explore phenomena of strong interacting matter and the quark-gluon plasma (QGP) at extreme values of energy density and temperature in nucleus-nucleus collisions.

Results are presented here on the study of J/$$\psi$$production in pp collisions at ALICE. In particular, a measurement of J/$$\psi$$ cross-section at $$\sqrt{s}$$ = 7 TeV energy has been performed, together with a study of a possible algorithm to separate primary J/$$\psi$$ from those coming from decays of B hadrons. The validity of this algorithm in ALICE has been demonstrated using Monte-Carlo samples. The J/$$\psi$$ particles have been searched exclusively in the decay channel J/$$\psi$$ -> e+e−. The study focused on what would be achievable in a period of early running, with integrated luminosity of L=1.25 nb-1, at a proton-proton centre of mass collision energy of $$\sqrt{s}$$ = 7 TeV.

Type of Work: Thesis (Doctorates > Ph.D.)
Award Type: Doctorates > Ph.D.
Supervisor(s):
Supervisor(s)EmailORCID
Lazzeroni, CristinaUNSPECIFIEDUNSPECIFIED
Lietava, RomanUNSPECIFIEDUNSPECIFIED
Licence:
College/Faculty: Colleges (2008 onwards) > College of Engineering & Physical Sciences
School or Department: School of Physics and Astronomy
Funders: None/not applicable
Subjects: Q Science > QC Physics
URI: http://etheses.bham.ac.uk/id/eprint/2957

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