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Search for excited quarks in the gamma plus jet final state in proton-proton collisions at root s=8 TeV

(2014) PHYSICS LETTERS B. 738. p.274-293
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Abstract
A search for excited quarks decaying into the gamma + jet final state is presented. The analysis is based on data corresponding to an integrated luminosity of 19.7 fb(-1) collected by the CMS experiment in proton-proton collisions at root s = 8 TeV at the LHC. Events with photons and jets with high transverse momenta are selected and the gamma + jet invariant mass distribution is studied to search for a resonance peak. The 95% confidence level upper limits on the product of cross section and branching fraction are evaluated as a function of the excited quark mass. Limits on excited quarks are presented as a function of their mass and coupling strength; masses below 3.5 TeV are excluded at 95% confidence level for unit couplings to their standard model partners. (C) 2014 The Authors. Published by Elsevier B.V.
Keywords
PARTON DISTRIBUTIONS, HADRON COLLIDERS, LHC

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MLA
Khachatryan, V et al. “Search for Excited Quarks in the Gamma Plus Jet Final State in Proton-proton Collisions at Root S=8 TeV.” PHYSICS LETTERS B 738 (2014): 274–293. Print.
APA
Khachatryan, V., Sirunyan, A., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Ero, J., et al. (2014). Search for excited quarks in the gamma plus jet final state in proton-proton collisions at root s=8 TeV. PHYSICS LETTERS B, 738, 274–293.
Chicago author-date
Khachatryan, V, AM Sirunyan, A Tumasyan, W Adam, T Bergauer, M Dragicevic, J Ero, et al. 2014. “Search for Excited Quarks in the Gamma Plus Jet Final State in Proton-proton Collisions at Root S=8 TeV.” Physics Letters B 738: 274–293.
Chicago author-date (all authors)
Khachatryan, V, AM Sirunyan, A Tumasyan, W Adam, T Bergauer, M Dragicevic, J Ero, C Fabjan, M Friedl, R Fruhwirth, VM Ghete, C Hartl, N Hormann, J Hrubec, M Jeitler, W Kiesenhofer, V Knunz, M Krammer, I Kratschmer, D Liko, I Mikulec, D Rabady, B Rahbaran, H Rohringer, R Schofbeck, J Strauss, A Taurok, W Treberer-Treberspurg, W Waltenberger, CE Wulz, V Mossolov, N Shumeiko, JS Gonzalez, S Alderweireldt, M Bansal, S Bansal, T Cornelis, EA De Wolf, X Janssen, A Knutsson, S Luyckx, S Ochesanu, B Roland, R Rougny, MV De Klundert, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D’Hondt, N Daci, N Heracleous, J Keaveney, TJ Kim, S Lowette, M Maes, A Olbrechts, Q Python, D Strom, S Tavernier, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, C Caillol, B Clerbaux, G De Lentdecker, D Dobur, L Favart, APR Gay, A Grebenyuk, A Leonard, A Mohammadi, L Pernie, T Reis, T Seva, L Thomas, CV Velde, P Vanlaer, J Wang, Volker Adler, Kelly Beernaert, Leonardo Benucci, Anna Cimmino, Silvia Costantini, Shannon Rebecca Crucy, Sven Dildick, Alexis Fagot, Guillaume Garcia, Joseph McCartin, Alberto Andres Ocampo Rios, Dirk Ryckbosch, Deniz Poyraz, Michael Sigamani, Nadja Strobbe, Filip Thyssen, Michael Tytgat, Efe Yazgan, Nikolaos Zaganidis, S Basegmez, C Beluffi, G Bruno, R Castello, A Caudron, L Ceard, GG Da Silveira, C Delaere, T du Pree, D Favart, L Forthomme, A Giammanco, J Hollar, P Jez, M Komm, V Lemaitre, J Liao, C Nuttens, D Pagano, L Perrini, A Pin, K Piotrzkowski, A Popov, L Quertenmont, M Selvaggi, MV Marono, JMV Garcia, N Beliy, T Caebergs, E Daubie, GH Hammad, WL Alda, GA Alves, MC Martins, TDR Martins, ME Pol, W Carvalho, J Chinellato, A Custodio, EM Da Costa, DD Damiao, CDO Martins, SF Souza, H Malbouisson, DM Figueiredo, L Mundim, H Nogima, WLP Da Silva, J Santaolalla, A Santoro, A Sznajder, EJT Manganote, AV Pereira, CA Bernardes, FA Dias, TRFP Tomei, EM Gregores, PG Mercadante, SF Novaes, S Padula, A Aleksandrov, V Genchev, P Iaydjiev, A Marinov, S Piperov, M Rodozov, G Sultanov, M Vutova, A Dimitrov, I Glushkov, R Hadjiiska, V Kozhuharov, L Litov, B Pavlov, P Petkov, JG Bian, GM Chen, HS Chen, M Chen, R Du, CH Jiang, D Liang, S Liang, R Plestina, J Tao, X Wang, Z Wang, C Asawatangtrakuldee, Y Ban, Y Guo, Q Li, W Li, S Liu, Y Mao, SJ Qian, D Wang, L Zhang, W Zou, C Avila, LFC Sierra, C Florez, JP Gomez, BG Moreno, JC Sanabria, N Godinovic, D Lelas, D Polic, I Puljak, Z Antunovic, M Kovac, V Brigljevic, K Kadija, J Luetic, D Mekterovic, L Sudic, A Attikis, G Mavromanolakis, J Mousa, C Nicolaou, F Ptochos, PA Razis, M Bodlak, M Finger, M Finger, Y Assran, S Elgammal, MA Mahmoud, A Radi, M Kadastik, M Murumaa, M Raidal, A Tiko, P Eerola, G Fedi, M Voutilainen, J Harkonen, V Karimaki, R Kinnunen, MJ Kortelainen, T Lampen, K Lassila-Perini, S Lehti, T Linden, P Luukka, T Maenpaa, T Peltola, E Tuominen, J Tuominiemi, E Tuovinen, L Wendland, T Tuuva, M Besancon, F Couderc, M Dejardin, D Denegri, B 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