Search For Pair Production Of Strongly Interacting Particles Decaying To Pairs Of Jets In P(P)Over-Bar Collisions At Root S=1.96 Tev

T. Aaltonen, E. Albin, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari,J. A. Appel, T. Arisawa, A. Artikov,J. Asaadi, W. Ashmanskas,B. Auerbach,A. Aurisano, F. Azfar, W. Badgett, T. Bae, A. Barbaro-Galtieri, V. E. Barnes, B. A. Barnett, P. Barria, P. Bartos,M. Bauce, F. Bedeschi, S. Behari, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretvas,A. Bhatti,K. R. Bland, B. Blumenfeld, A. Bocci, A. Bodek,D. Bortoletto,J. Boudreau, A. Boveia, L. Brigliadori,C. Bromberg,E. Brucken, J. Budagov, H. S. Budd, K. Burkett,G. Busetto, P. Bussey,P. Butti,A. Buzatu,A. Calamba, S. Camarda,M. Campanelli,F. Canelli,B. Carls, D. Carlsmith, R. Carosi,S. Carrillo, B. Casal, M. Casarsa, A. Castro, P. Catastini, D. Cauz, V. Cavaliere, M. Cavalli-Sforza,A. Cerri, L. Cerrito,Y. C. Chen, M. Chertok,G. Chiarelli, G. Chlachidze, K. Cho,D. Chokheli, M. A. Ciocci,A. Clark,C. Clarke, M. E. Convery,J. Conway,M. Corbo, M. Cordelli, C. A. Cox, D. J. Cox,M. Cremonesi,D. Cruz,J. Cuevas, R. Culbertson,N. D'Ascenzo, M. Datta,P. De Barbaro,L. Demortier, M. Deninno,F. Devoto, M. D'Errico,A. Di Canto, B. Di Ruzza, J. R. Dittmann, M. D'Onofrio, S. Donati, M. Dorigo,A. Driutti,K. Ebina,R. Edgar,A. Elagin, R. Erbacher, S. Errede, B. Esham, R. Eusebi,S. Farrington,J. P. Fernandez Ramos,R. Field,G. Flanagan,R. Forrest,M. Franklin,J. C. Freeman, H. Frisch,Y. Funakoshi, A. F. Garfinkel,P. Garosi, H. Gerberich, E. Gerchtein, S. Giagu,V. Giakoumopoulou, K. Gibson,C. M. Ginsburg, N. Giokaris, P. Giromini, G. Giurgiu, V. Glagolev, D. Glenzinski,M. Gold, D. Goldin,A. Golossanov,G. Gomez, G. Gomez-Ceballos, M. Goncharov,O. Gonzalez Lopez, I. Gorelov, A. T. Goshaw, K. Goulianos,E. Gramellini,S. Grinstein, C. Grosso-Pilcher,R. C. Group,J. Guimaraes Da Costa, S. R. Hahn, J. Y. Han,F. Happacher, K. Hara,M. Hare, R. F. Harr,T. Harrington-Taber, K. Hatakeyama, C. Hays, J. Heinrich, M. Herndon, A. Hocker,Z. Hong,W. Hopkins,S. Hou, R. E. Hughes, U. Husemann,M. Hussein,J. Huston, G. Introzzi, M. Iori, A. Ivanov, E. James,D. Jang,B. Jayatilaka, E. J. Jeon, S. Jindariani,M. Jones, K. K. Joo,S. Y. Jun, T. R. Junk,M. Kambeitz, T. Kamon, P. E. Karchin, A. Kasmi,Y. Kato,W. Ketchum,J. Keung, B. Kilminster, D. H. Kim, H. S. Kim,J. E. Kim,M. J. Kim, S. B. Kim, S. H. Kim,Y. K. Kim,Y. J. Kim, N. Kimura, M. Kirby, K. Knoepfel, K. Kondo, D. J. Kong, J. Konigsberg, A. V. Kotwal, M. Kreps, J. Kroll, M. Kruse, T. Kuhr,M. Kurata, A. T. Laasanen, S. Lammel, M. Lancaster,K. Lannon,G. Latino,H. S. Lee,J. S. Lee,S. Leo, S. Leone,J. D. Lewis, A. Limosani, E. Lipeles,H. Liu,Q. Liu,T. Liu,S. Lockwitz, A. Loginov, D. Lucchesi,J. Lueck, P. Lujan, P. Lukens, G. Lungu, J. Lys,R. Lysak, R. Madrak,P. Maestro,S. Malik, G. Manca, A. Manousakis-Katsikakis,F. Margaroli,P. Marino,M. Martinez,K. Matera,M. E. Mattson,A. Mazzacane, P. Mazzanti, R. Mcnulty,A. Mehta,P. Mehtala, C. Mesropian, T. Miao,D. Mietlicki,A. Mitra,H. Miyake,S. Moed, N. Moggi,C. S. Moon, R. Moore, M. J. Morello, A. Mukherjee,Th Muller,P. Murat, M. Mussini, J. Nachtman, Y. Nagai, J. Naganoma, I. Nakano, A. Napier,J. Nett, C. Neu,T. Nigmanov, L. Nodulman,S. Y. Noh, O. Norniella,L. Oakes, S. H. Oh, Y. D. Oh, I. Oksuzian, T. Okusawa, R. Orava, L. Ortolan,C. Pagliarone,E. Palencia,P. Palni, V. Papadimitriou, W. Parker, G. Pauletta, M. Paulini, C. Paus, T. J. Phillips, G. Piacentino,E. Pianori, J. Pilot,K. Pitts,C. Plager, L. Pondrom,S. Poprocki,K. Potamianos,F. Prokoshin,A. Pranko, F. Ptohos, G. Punzi,N. Ranjan,I. Redondo Fernandez, P. Renton, M. Rescigno,T. Riddick, F. Rimondi,L. Ristori, A. Robson,T. Rodriguez, S. Rolli,M. Ronzani,R. Roser,J. L. Rosner,F. Ruffini,A. Ruiz,J. Russ, V. Rusu,A. Safonov, W. K. Sakumoto,Y. Sakurai, L. Santi, K. Sato,V. Saveliev, A. Savoy-Navarro, P. Schlabach, E. E. Schmidt, T. Schwarz, L. Scodellaro, F. Scuri, S. Seidel, Y. Seiya, A. Semenov, F. Sforza,S. Z. Shalhout,T. Shears, P. F. Shepard, M. Shimojima, M. Shochet, I. Shreyber-Tecker,A. Simonenko,P. Sinervo, K. Sliwa,J. R. Smith, F. D. Snider, V. Sorin,H. Song,M. Stancari,R. St Denis,B. Stelzer, O. Stelzer-Chilton,D. Stentz,J. Strologas,Y. Sudo, A. Sukhanov,I. Suslov, K. Takemasa, Y. Takeuchi,J. Tang, M. Tecchio, P. K. Teng, J. Thom,E. Thomson,V. Thukral, D. Toback,S. Tokar,K. Tollefson,T. Tomura,D. Tonelli,S. Torre,D. Torretta,P. Totaro,M. Trovato, F. Ukegawa,S. Uozumi,F. Vazquez, G. Velev,C. Vellidis,C. Vernieri,M. Vidal, R. Vilar,J. Vizan, M. Vogel,G. Volpi,P. Wagner, R. Wallny, S. M. Wang, A. Warburton,D. Waters, W. C. Wester, D. Whiteson, A. B. Wicklund,S. Wilbur,H. H. Williams, J. S. Wilson, P. Wilson, B. L. Winer,P. Wittich, S. Wolbers,H. Wolfe, T. Wright, X. Wu,Z. Wu, K. Yamamoto,D. Yamato,T. Yang, U. K. Yang,Y. C. Yang,W-M Yao,G. P. Yeh, K. Yi, J. Yoh, K. Yorita, T. Yoshida,G. B. Yu, I. Yu,A. M. Zanetti, Y. Zeng,C. Zhou,S. Zucchelli

PHYSICAL REVIEW LETTERS(2013)

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摘要
We present a search for the pair production of a narrow nonstandard-model strongly interacting particle that decays to a pair of quarks or gluons, leading to a final state with four hadronic jets. We consider both nonresonant production via an intermediate gluon as well as resonant production via a distinct nonstandard-model intermediate strongly interacting particle. We use data collected by the CDF experiment in proton-antiproton collisions at root s = 1.96 TeV corresponding to an integrated luminosity of 6.6 fb(-1). We find the data to be consistent with nonresonant production. We report limits on sigma(p (p) over bar -> jjjj) as a function of the masses of the hypothetical intermediate particles. Upper limits on the production cross sections for nonstandard-model particles in several resonant and nonresonant processes are also derived.
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