Measurement of the inclusive differential jet cross section in pp collisions at root s=2.76 TeV

B. Abelev,J. Wikne,X. Zhu, E. Garcia-Solis,R. Haake,J. Mlynarz,G.E. Bruno,A. Morreale,M. Gheata,B. Kim,H. Zhang,S. Mizuno,J. de Cuveland,E. Almaraz Avina,C. Schiaua,C. Lippmann,H. Zbroszczyk,B. Windelband,B. Polichtchouk,A. Grigoryan,A. Augustinus,P. Di Nezza, T. Chujo, I. Szarka,P. Kurashvili, A. Bhasin,E. Serradilla, B.K. Srivastava, P. Glassel, I. Kulakov,P. Pillot, P. Chochula, H.R. Schmidt, C. Kuhn,E. Karpechev, M. Petris, S. Lindal,T. Sinha, C. Cheshkov,J. Castillo Castellanos,N. Kondratyeva,C. Ceballos Sanchez,D. Das, J. Bhom, Z. Buthelezi,M. Ivanov, E. Incani, E. Denes,E. Vercellin, C. Petta,S. Vergara, M. Lechman, K.H. Khan,A. Fernandez Tellez,G. Wilk,S. Rossegger,G. Martinez Garcia,K. Das, D. Finogeev,A.K. Dubey,D.A. Moreira De Godoy, A. Rakotozafindrabe, N.K. Behera, L. Pinsky, A. Toia,M. Weber, T. Alt,E. Floratos,S. Li, B.H. Han, A.K. Bhati, Z. Ahammed, P.H.S.Y. Jayarathna,Y. Zoccarato,R. Grajcarek,M. Pachr,D. Aleksandrov, M. Steinpreis, S. Grigoryan, E. Montes,S. Yang, T. Pawlak, A. Oskarsson,J. Zhu,D. Zhou,V. Loginov, J. Sarkamo,B. Alessandro,C. Schmidt, P. Dupieux, M. Kretz,S. Zaporozhets, D.B. Piyarathna,F. Barile, H.J. Jang, Y.P. Viyogi, V.R. Loggins,C. Oppedisano, J. Gerhard,G. De Cataldo,J. Mares, A. Kravcakova,D. Rathee, A. Mischke, M. Wang,H. Boggild,P. Ladron de Guevara, F. Bossu,J. Ulrich,J. Seo, S. Rohni, D.R. Gangadharan,M. Agnello, A. Telesca,O. Villalobos Baillie,I. Altsybeev,S. De Pasquale,H. Pereira Da Costa, M. Botje, P.A. Scott,N. Ahmad,S. Schuchmann, S. Piano,O. Karavichev, R. Keidel,V. Ivanov, M. Krivda,M. Ippolitov,A. De Caro, H. Beck,I. Cortes Maldonado, Lisa, R.Cruz Albino, Y. Kharlov,A. Mas, J. Urban,R. Fearick,F. Rettig,D. Felea,R. Russo,M. Zynovyev,V. Punin,K. Skjerdal,L. Malinina,D.I. Patalakha,B. von Haller,H. Leon,H. Torii,F. Carminati,S. Kalcher, F. Cindolo,C. Di Giglio, T. Kollegger,R. Raniwala, V. Petracek, S. Porteboeuf-Houssais,F. Meddi, A. Lardeux, M. Petran,M. Stolpovskiy,L. Bianchi,L. Riccati, K. Ullaland,J. Kral, M. Kim, G. Simonetti, A. Rybicki, T. Kugathasan, R. Janik,S. Gorbunov,P. Ganoti,A. Gheata, R. Scott,W. Carena, C. Blume,G. Scioli, D. Fabris, M. Bregant, I.C. Arsene, M. Ploskon,C. Baumann, L.K. Graczykowski, Diaz Corchero, I. Berceanu, M. Krzewicki,M. Bogolyubsky, A.A.E. Bergognon, T.B. Skaali,A. Ferretti, K. Oyama, H.H. Dalsgaard,S.S. Rasanen, C. Luzzi,R. Singh,P. Roy, I. Kisel,N. De Marco, L. Toscano, M. Zhalov,T. Tsuji, A. Pavlinov, R.J. Reed, V. Trubnikov,F. Krizek,V. Lenti,V. Chibante Barroso,A. Kolojvari,S. Kiselev, C.H. Christensen,J. Schukraft,K. Ma,R. Romita,A. Maevskaya, K. Shigaki, K. Safarik, B.A. Hess,T. Pocheptsov,J. Klein, J.P. Revol, D. Budnikov,A. Casanova Diaz,A. Szczepankiewicz,S.U. Ahn,S. Beole,P. Martinengo,R. Gomez, D. Tlusty,X. Zhang,A. Nedosekin,O. Pinazza,N.A. Martin,M. Malaev,R. Sultanov, S. Bufalino,A. Pop,N. Novitzky, T. Kim,A. Dash,J. Figiel,P. Foka,G. Aglieri Rinella,H. Kvaerno,G. Conesa Balbastre,C. Andrei,B. Vulpescu,P. Christiansen,R. 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Herrera Corral,Subieta Vasquez,N. Grion,X. Cai, J. Adam, D.D. Chinellato,P.M. Jacobs, A.N. Mishra,C. Grigoras

user-5ebe28934c775eda72abcddd（2013）

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摘要

The ALICE Collaboration at the CERN Large Hadron Collider reports the first measurement of the inclusive differential jet cross section at mid-rapidity in pp collisions at root s = 2.76 TeV, with integrated luminosity of 13.6 nb(-1). Jets are measured over the transverse momentum range 20 to 125 GeV/c and are corrected to the particle level. Calculations based on Next-to-Leading Order perturbative QCD are in good agreement with the measurements. The ratio of inclusive jet cross sections for jet radii R = 0.2 and R = 0.4 is reported, and is also well reproduced by a Next-to-Leading Order perturbative QCD calculation when hadronization effects are included. (c) 2013 CERN. Published by Elsevier B.V. All rights reserved.

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关键词

Transverse momentum,Radius,Physics,Perturbative QCD,Particle physics,Nuclear physics,Luminosity,Large Hadron Collider,Hadronization

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