Search for quark compositeness in dijet angular distributions from pp collisions at $ \sqrt {s} = 7{ } $ TeV

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 May 2012Embargo end date: 01 Jan 2012 France, Italy, France, Italy, Italy, Germany, United Kingdom, Italy, Italy, Greece, Italy, Brazil, Croatia, Germany, Italy, Belgium, Belgium, Spain, United Kingdom, Italy, Italy, Italy, France, Italy, Italy, France, France, United States, Italy, Italy, Portugal, Italy, Turkey, Italy, Italy, Belgium, Italy, United Kingdom, United Kingdom, United Kingdom, Italy, Italy, Spain English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,012 (eissn: 1029-8479,

Copyright policy )Funded by:SNSF | High pT Physics with CMS ..., SNSF | Search for the Higgs boso...

Authors: Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; +193 Authors

Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Eroe, J.; Fabjan, C.; Friedl, M.; Fruehwirth, R.; Ghete, V. M.; Hammer, J.; Hoch, M.; Hoermann, N.; Hrubec, J.; Jeitler, M.; Kiesenhofer, W.; Krammer, M.; Liko, D.; Mikulec, I.; Pernicka, M.; Rahbaran, B.; Rohringer, C.; Rohringer, H.; Schoefbeck, R.; Strauss, J.; Taurok, A.; Teischinger, F.; Wagner, P.; Waltenberger, W.; Walzel, G.; Widl, E.; Wulz, C.; -E.; Mossolov, V.; Shumeiko, N.; Gonzalez, J. Suarez; Bansal, S.; Benucci, L.; Cornelis, T.; De Wolf, E. A.; Janssen, X.; Luyckx, S.; Maes, T.; Mucibello, L.; Ochesanu; S.; Roland, B.; Rougny, R.; Selvaggi, M.; Van Haevermaet, H.; Van Mechelen, P.; Van Remortel, N.; Van Spilbeeck, A.; Blekman, F.; Blyweert, S.; D'Hondt, J.; Suarez, R. Gonzalez; Kalogeropoulos, A.; Maes, M.; Olbrechts, A.; Van Doninck, W.; Van Mulders, P.; Van Onsem, G. P.; Villella, I.; Charaf, O.; Clerbaux, B.; De Lentdecker, G.; Dero, V.; Gay, A. P. R.; Hammad, G. H.; Hreus, T.; Leonard, A.; Marage, P. E.; Thomas, L.; Vander Velde, C.; Vanlaer, P.; Wickens, J.; Adler, V.; Beernaert, K.; Cimmino, A.; Costantini, S.; Garcia, G.; Grunewald, M.; Klein, B.; Lellouch, J.; Marinov; A.; Mccartin, J.; Rios, A. A. Ocampo; Ryckbosch, D.; Strobbe, N.; Thyssen, F.; Tytgat, M.; Vanelderen, L.; Verwilligen, P.; Walsh, S.; Yazgan, E.; Zaganidis, N.; Basegmez, S.; Bruno, G.; Ceard, L.; De Jeneret, J. De Favereau; Delaere, C.; du Pree, T.; Favart, D.; Forthomme, L.; Giammanco, A.; Gregoire, G.; Hollar, J.; Lemaitre, V.; Liao; J.; Militaru, O.; Nuttens, C.; Pagano, D.; Pin, A.; Piotrzkowski, K.; Schul, N.; Beliy, N.; Caebergs, T.; Daubie, E.; Alves, G. A.; De Jesus Damiao, D.; Martins, T.; Pol, M. E.; Souza, M. H. G.; Alda Junior, W. L.; Carvalho, W.; Custodio, A.; Da Costa, E. M.; De Oliveira Martins, C.; Fonseca De Souza, S.; Matos Figueiredo, D.; Mundim, L.; Nogima; H.; Oguri, V.; Prado Da Silva, W. L.; Santoro, A.; Silva Do; Amaral, S. M.; Soares Jorge, L.; Sznajder, A.; Anjos, T. S.; Bernardes, C. A.; Dias, F. A.; Fernandez Perez Tomei, T. R.; Gregores, E. M.; Lagana, C.; Marinho, F.; Mercadante, P. G.; Novaes, S. F.; Padula, Sandra S.; Genchev, V.; Iaydjiev, P.; Piperov, S.; Rodozov, M.; Stoykova, S.; Sultanov, G.; Tcholakov, V.; Trayanov, R.; Vutova, M.; Dimitrov, A.; Hadjiiska, R.; Karadzhinova, A.; Kozhuharov, V.; Litov, L.; Pavlov, B.; Petkov, P.; Bian, J. G.; Chen, G. M.; Chen, H.; S.; Jiang, C. H.; Liang, D.; Liang, S.; Meng, X.; Tao, J.; Wang, J.; Wang, J.; Wang, X.; Wang, Z.; Xiao, H.; Xu; M.; Zang, J.; Zhang, Z.; Asawatangtrakuldee, C.; Ban, Y.; Guo, S.; Guo, Y.; Li, W.; Liu, S.; Mao, Y.; Qian, S. J.; Teng, H.; Wang, S.; Zhu, B.;

doi: 10.1007/jhep05(2012)055 , 10.48550/arxiv.1202.5535

arXiv: 1202.5535

Search for quark compositeness in dijet angular distributions from pp collisions at $ \sqrt {s} = 7{ } $ TeV

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Abstract

Abstract A search for quark compositeness using dijet angular distributions from pp collisions at $ \sqrt {s} = 7 $ TeV is presented. The search has been carried out using a data sample corresponding to an integrated luminosity of 2.2 fb−1, recorded by the CMS experiment at the LHC. Normalized dijet angular distributions have been measured for dijet invariant masses from 0.4 TeV to above 3 TeV and compared with a variety of contact interaction models, including those which take into account the effects of next-to-leading-order QCD corrections. The data are found to be in agreement with the predictions of perturbative QCD, and lower limits are obtained on the contact interaction scale, ranging from 7.5 up to 14.5 TeV at 95 % confidence level.

Countries

France, Italy, France, Italy, Italy, Germany, United Kingdom, Italy, Italy, Greece, Italy, Brazil, Croatia, Germany, Italy, Belgium, Belgium, Spain, United Kingdom, Italy, Italy, Italy, France, Italy, Italy, France, France, United States, Italy, Italy, Portugal, Italy, Turkey, Italy, Italy, Belgium, Italy, United Kingdom, United Kingdom, United Kingdom, Italy, Italy, Spain

Related Organizations

California Institute of Technology
United States
Université Libre de Bruxelles
Belgium
Peking University
China (People's Republic of)
Helmholtz Association of German Research Centres
Germany
University of California, Davis
United States

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Keywords

Nuclear and High Energy Physics, dijet: mass spectrum, 550, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Physique, chimie, mathématiques & sciences de la terre, quark: composite, FOS: Physical sciences, Hadron-hadron scattering, 530, PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS, High Energy Physics - Experiment, COLLIDER, High Energy Physics - Experiment (hep-ex), HEP; CMS; LHC; HADRON-HADRON SCATTERING, Physical, chemical, mathematical & earth Sciences, dijet: angular distribution, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], COLLIDER; DETECTOR, quantum chromodynamics: perturbation theory, info:eu-repo/classification/ddc/530, correction: higher-order, DETECTOR, Fisica delle particelle, Hadron-Hadron Scattering, Physique, CMS, Physics, ddc:530, higher-order: 1, contact interaction, Física, 001, LARGE HADRON COLLIDER, CERN LHC Coll, PARTICLE PHYSICS, experimental results

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