Measurement of D *± meson production in jets from pp collisions at √s=7TeV with the ATLAS detector
Entity
UAM. Departamento de Biología Molecular; UAM. Departamento de Física TeóricaPublisher
American Physical SocietyDate
2012-03-19Citation
10.1103/PhysRevD.85.052005
Physical Review D - Particles, Fields, Gravitation and Cosmology 85.5 (2012): 052005
ISSN
1550-7998 (print); 1550-2368 (online)DOI
10.1103/PhysRevD.85.052005Editor's Version
http://dx.doi.org/10.1103/PhysRevD.85.052005Subjects
FísicaNote
Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAMRights
© 2012 CERNAbstract
This paper reports a measurement of D *± meson production in jets from proton-proton collisions at a center-of-mass energy of √s=7TeV at the CERN Large Hadron Collider. The measurement is based on a data sample recorded with the ATLAS detector with an integrated luminosity of 0.30pb -1 for jets with transverse momentum between 25 and 70 GeV in the pseudorapidity range |η|<2.5. D * ± mesons found in jets are fully reconstructed in the decay chain: D *+→D0π +, D0→K -π +, and its charge conjugate. The production rate is found to be N(D *±)/N(jet)=0.025±0. 001(stat.)±0.004(syst.) for D *± mesons that carry a fraction z of the jet momentum in the range 0.3<z<1. Monte Carlo predictions fail to describe the data at small values of z, and this is most marked at low jet transverse momentum
Files in this item
Google Scholar:Aad, G.
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Barreiro Alonso, Fernando
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Cantero, Josu
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Torre, Héctor de la
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Peso Malagón, José del
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Glasman Kuguel, Claudia Beatriz
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Labarga Echeverría, Luis Alfonso
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Lagouri, T.
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Llorente Merino, Javier
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March, Luis
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Nebot, Eduardo
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Rodier, Stephane
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Terrón Cuadrado, Juan
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ATLAS Collaboration
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