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
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2011-01-01
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Nelson, Andrew
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Soeren Prell
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Physics and Astronomy
Physics and astronomy are basic natural sciences which attempt to describe and provide an understanding of both our world and our universe. Physics serves as the underpinning of many different disciplines including the other natural sciences and technological areas.
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Physics and Astronomy
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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Sat Jan 01 00:00:00 UTC 2011