Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector

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Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών   

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Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector

Alam, M.S. Ernst, J. Rojo, V. Chen, L. Gingrich, D.M. Kim, M.S. Liu, S. Lu, J. Moore, R.W. Pinfold, J.L. Soni, N. Subramania, S. Guillemin, T. Helary, L. Hryn’ova, T. Iengo, P. Ionescu, G. Jeremie, A. Jézéquel, S. Kataoka, M. Labbe, J. Lafaye, R. Massol, N. Perrodo, P. Przysiezniak, H. Sauvage, G. Todorov, T. Tsionou, D. Wingerter-Seez, I. Zitoun, R. Zolnierowski, Y. Siegrist, J. Skinnari, L.A. Stavropoulos, G. Tatarkhanov, M. Tompkins, L. Vahsen, S. Varouchas, D. Virzi, J. Yao, W.-M. Yao, Y. Zenz, S. Radics, B. Rottländer, I. Runolfsson, O. Schmieden, K. Schmitz, M. Schumacher, J.W. Stillings, J.A. Stockmanns, T. Therhaag, J. Treis, J. Tsung, J.-W. Uchida, K. Uhlenbrock, M. Vlasov, N. Vogel, A. Wermes, N. Wienemann, P. Zendler, C. Zimmermann, R. Zimmermann, S. von Toerne, E. Gallas, M.V. Garelli, N. Garonne, V. Gayde, J.-C. Gianotti, F. Gibson, S.M. Godlewski, J. Gonidec, A. Goossens, L. Gorini, B. Grafström, P. Grognuz, J. Gruwe, M. Haas, S. Hahn, F. Haider, S. Hatch, M. Hauschild, M. Hawkings, R.J. Henriques Correia, A.M. Hervas, L. Hoecker, A. Huhtinen, M. Inigo-Golfin, J. Jaekel, M.R. Jenni, P. Jonsson, O. Joram, C. Kaplon, J. Kerschen, N. Klioutchnikova, T. Knobloch, J. Koblitz, B. Koffas, T. Kollar, D. Kotamäki, M.J. Köneke, K. La Rosa, A. Lamanna, M. Lantzsch, K. Lasseur, C. Lassnig, M. Leahu, M. Lehmann Miotto, G. Lichard, P. Magnoni, L. Mapelli, A. Mapelli, L. Marchand, J.F. Marchesotti, M. Martin, B. Maugain, J.M. McLaren, R.A. Menot, C. Messina, A. Meyer, T.C. Michal, S. Miele, P. Molina-Perez, J. Morley, A.K. Mornacchi, G. Nairz, A.M. Negri, G. Nessi, M. Nicquevert, B. Niinikoski, T. Nordberg, M. Nyman, T. Palestini, S. Pastore, F. Pauly, T. Pengo, R. Pernegger, H. Petersen, B.A. Petersen, J. Piacquadio, G. Pirotte, O. Pommès, K. Poppleton, A. Poulard, G. Pribyl, L. Price, M.J. Raymond, M. Rembser, C. Roda Dos Santos, D. Roe, S. Salzburger, A. Savu, D.O. Schlenker, S. Schott, M. Schuh, S. Schuler, G. Sfyrla, A. Shimizu, S. Sloper, J. Spigo, G. Spiwoks, R. Stanecka, E. Stockton, M.C. Sumida, T. Szeless, B. Tackmann, K. Tappern, G.P. Ten Kate, H. Tique Aires Viegas, F.J. Torchiani, I. Tremblet, L. Tricoli, A. Tsarouchas, C. Tyrvainen, H. Unal, G. Vandelli, W. Vandoni, G. Varela Rodriguez, F. Veness, R. Vinek, E. Voss, R. Vuillermet, R. Wells, P.S. Wengler, T. Wenig, S. Werner, P. Wilkens, H.G. Winklmeier, F. Wotschack, J. Zajacova, Z. Zema, P.F. Zsenei, A. Zwalinski, L. van der Ster, D.

scientific_publication_article
Επιστημονική δημοσίευση - Άρθρο Περιοδικού (EL)
Scientific publication - Journal Article (EN)

2011


Jet cross sections have been measured for the first time in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector. The measurement uses an integrated luminosity of 17 nb −1 recorded at the Large Hadron Collider. The anti-kt algorithm is used to identify jets, with two jet resolution parameters, R=0.4 and 0.6. The dominant uncertainty comes from the jet energy scale, which is determined to within 7% for central jets above 60 GeV transverse momentum. Inclusive single-jet differential cross sections are presented as functions of jet transverse momentum and rapidity. Dijet cross sections are presented as functions of dijet mass and the angular variable χ. The results are compared to expectations based on next-toleading-order QCD, which agree with the data, providing a validation of the theory in a new kinematic regime. © 2011, CERN for the benefit of the ATLAS collaboration. (EN)

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*Η εύρυθμη και αδιάλειπτη λειτουργία των διαδικτυακών διευθύνσεων των συλλογών (ψηφιακό αρχείο, καρτέλα τεκμηρίου στο αποθετήριο) είναι αποκλειστική ευθύνη των αντίστοιχων Φορέων περιεχομένου.