Measurement of the differential cross-section with respect to momentum and rapidity of the J/psi meson and the non-prompt J/psi cross-section fraction in pp collisions at sqrt(s)=7 TeV with the ATLAS detector
Date
2011-01-01
Authors
Nelson, Andrew
Major Professor
Advisor
Soeren Prell
Committee Member
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Abstract
The inclusive production of the J/psi resonance is studied with the ATLAS detector in LHC proton-proton collisions at sqrt(s) = 7 TeV using the J/psi decay mode to two muons. Using the first 2.3 pb-1 of data, two related physics measurements are performed: the double-differential production cross section with respect to the transverse momentum and rapidity of the J/psi, and the fraction of J/psi mesons produced from b hadron decays with respect to the J/psi transverse momentum and rapidity. These two measurements are combined to produce the prompt and non-prompt J/psi cross-sections.
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dissertation
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Sat Jan 01 00:00:00 UTC 2011