Search for production of anΥ(1S)meson in association with aWorZboson using the full 1.96 TeVpp¯collision data set at CDF

T. Aaltonen, 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,A. Cerri, L. Cerrito,Y. C. Chen, M. Chertok,G. Chiarelli,G. Chlachidze,K. Cho,D. Chokheli, 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, M. D’Errico,F. Devoto,A. Di Canto,B. Di Ruzza,J. R. Dittmann,S. Donati, M. D’Onofrio,M. Dorigo, A. Driutti, K. Ebina, R. Edgar, A. Elagin,R. Erbacher, S. Errede, B. Esham,S. Farrington,J. P. Fernández Ramos, R. Field,G. Flanagan, R. Forrest,M. Franklin, J. C. Freeman, H. Frisch,Y. Funakoshi, C. Galloni, A. F. Garfinkel, P. Garosi, H. Gerberich, E. Gerchtein,S. Giagu, V. Giakoumopoulou,K. Gibson, C. M. Ginsburg,N. Giokaris,P. Giromini,V. Glagolev, D. Glenzinski,M. Gold, D. Goldin,A. Golossanov, G. Gomez, G. Gomez-Ceballos,M. Goncharov,O. González López,I. Gorelov,A. T. Goshaw, K. Goulianos, E. Gramellini,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. H. Kim,S. B. Kim,Y. J. Kim,Y. K. 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,A. Lister,H. Liu,Q. Liu,T. Liu, S. Lockwitz, A. Loginov,D. Lucchesi,A. Lucà,J. Lueck, P. Lujan,P. Lukens, G. Lungu,J. Lys,R. Lysak, R. Madrak,P. Maestro, S. Malik,G. Manca, A. Manousakis-Katsikakis, L. Marchese,F. Margaroli,P. Marino, 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, A. Pranko,F. Prokoshin,F. Ptohos,G. Punzi,I. Redondo Fernández, P. Renton, M. Rescigno, 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,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,K. Sliwa,J. R. Smith, F. D. Snider,H. Song,V. Sorin,R. St. Denis, M. Stancari, 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,G. Velev, C. Vellidis,C. Vernieri,M. Vidal,R. Vilar,J. Vizán,M. Vogel,G. Volpi,F. Vázquez,P. Wagner,R. Wallny, S. M. Wang, 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 D(2015)

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摘要
Production of the Υ(1S) meson in association with a vector boson is a rare process in the standard model with a cross section predicted to be below the sensitivity of the Tevatron. Observation of this process could signify contributions not described by the standard model or reveal limitations with the current nonrelativistic quantum-chromodynamic models used to calculate the cross section. We perform a search for this process using the full Run II data set collected by the CDF II detector corresponding to an integrated luminosity of 9.4 fb-1. Our search considers the Υ→μμ decay and the decay of the W and Z bosons into muons and electrons. Furthermore, in these purely leptonic decay channels, we observe one ΥW candidate with an expected background of 1.2±0.5 events, and one ΥZcandidate with an expected background of 0.1±0.1 events. Both observations are consistent with the predicted background contributions. The resulting upper limits on the cross section for Υ+W/Zproduction are the most sensitive reported from a single experiment and place restrictions on potential contributions from non-standard-model physics.
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