Measurement of Zγ production in pp[over ¯] collisions at sqrt[s]=1.96 TeV
T. Aaltonen,J. Adelman,B. Álvarez González,S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari,J. Appel, A. Apresyan,T. Arisawa,A. Artikov,J. Asaadi,W. Ashmanskas,A. Attal,A. Aurisano, F. Azfar,W. Badgett, A. Barbaro-Galtieri,V. Barnes,B. Barnett,P. Barria,P. Bartos,G. Bauer,P.-H. Beauchemin, F. Bedeschi,D. Beecher,S. Behari, G. Bellettini, J. Bellinger,D. Benjamin, A. Beretvas,A. Bhatti,M. Binkley, D. Bisello, I. Bizjak,R. Blair,C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, D. Bortoletto,J. Boudreau, A. Boveia, B. Brau,A. Bridgeman, L. Brigliadori, C. Bromberg,E. Brubaker, J. Budagov,H. Budd,S. Budd, K. Burkett,G. Busetto, P. Bussey,A. Buzatu,K. Byrum,S. Cabrera,C. Calancha,S. Camarda,M. Campanelli, M. Campbell, F. Canelli, A. Canepa,B. Carls, D. Carlsmith,R. Carosi,S. Carrillo,S. Carron, B. Casal,M. Casarsa,A. Castro,P. Catastini, D. Cauz,V. Cavaliere, M. Cavalli-Sforza,A. Cerri, L. Cerrito,S. Chang,Y. Chen, M. Chertok, G. Chiarelli,G. Chlachidze, F. Chlebana,K. Cho,D. Chokheli,J. Chou,K. Chung,W. Chung,Y. Chung, T. Chwalek, C. Ciobanu,M. Ciocci,A. Clark,D. Clark,G. Compostella,M. Convery,J. Conway,M. Corbo,M. Cordelli,C. Cox,D. Cox, F. Crescioli,C. Cuenca Almenar,J. Cuevas, R. Culbertson, J. Cully,D. Dagenhart,N. d’Ascenzo,M. Datta,T. Davies,P. de Barbaro,S. De Cecco, A. Deisher,G. De Lorenzo,M. Dell’Orso, C. Deluca, L. Demortier,J. Deng, M. Deninno,M. d’Errico,A. Di Canto,B. Di Ruzza, J. Dittmann,M. D’Onofrio, S. Donati,P. Dong, T. Dorigo,S. Dube,K. Ebina,A. Elagin, R. Erbacher, D. Errede, S. Errede,N. Ershaidat, R. Eusebi,H. Fang,S. Farrington, W. Fedorko, R. Feild, M. Feindt,J. Fernandez,C. Ferrazza, R. Field, G. Flanagan,R. Forrest,M. Frank,M. Franklin, J. Freeman, I. Furic, M. Gallinaro,J. Galyardt, F. Garberson,J. Garcia, A. Garfinkel, P. Garosi,H. Gerberich, D. Gerdes, A. Gessler, S. Giagu, V. Giakoumopoulou, P. Giannetti,K. Gibson,J. Gimmell, C. Ginsburg, N. Giokaris,M. Giordani,P. Giromini, M. Giunta, G. Giurgiu,V. Glagolev,D. Glenzinski,M. Gold,N. Goldschmidt,A. Golossanov,G. Gomez,G. Gomez-Ceballos, M. Goncharov,O. González,I. Gorelov,A. Goshaw, K. Goulianos,A. Gresele,S. Grinstein,C. Grosso-Pilcher,R. Group, U. Grundler,J. Guimaraes da Costa,Z. Gunay-Unalan, C. Haber,S. Hahn, E. Halkiadakis,B.-Y. Han,J. Han,F. Happacher, K. Hara,D. Hare,M. Hare, R. Harr, M. Hartz, K. Hatakeyama,C. Hays,M. Heck,J. Heinrich,M. Herndon,J. Heuser, S. Hewamanage, D. Hidas,C. Hill, D. Hirschbuehl, A. Hocker,S. Hou, M. Houlden, S.-C. Hsu, R. Hughes,M. Hurwitz, U. Husemann,M. Hussein, J. Huston, J. Incandela, G. Introzzi,M. Iori, A. Ivanov, E. James,D. Jang,B. Jayatilaka,E. Jeon,M. Jha, S. Jindariani,W. Johnson,M. Jones,K. Joo,S. Jun,J. Jung,T. Junk, T. Kamon, D. Kar, P. Karchin,Y. Kato,R. Kephart,W. Ketchum,J. Keung, V. Khotilovich, B. Kilminster,D. Kim,H. Kim,J. Kim,M. Kim, S. Kim,Y. Kim, N. Kimura, L. Kirsch,S. Klimenko,K. Kondo, D. Kong, J. Konigsberg, A. Korytov,A. Kotwal,M. Kreps, J. Kroll,D. Krop, N. Krumnack, M. Kruse, V. Krutelyov, T. Kuhr,N. Kulkarni, M. Kurata,S. Kwang,A. Laasanen,S. Lami,S. Lammel, M. Lancaster, R. Lander, K. Lannon, A. Lath, G. Latino, I. Lazzizzera, T. LeCompte,E. Lee,H. Lee,J. Lee,S. Lee,S. Leone,C. Lester,J. Lewis,C.-J. Lin, J. Linacre,M. Lindgren,E. Lipeles,A. Lister, D. Litvintsev,C. Liu,T. Liu,N. Lockyer, A. Loginov, L. Lovas,D. Lucchesi,J. Lueck, P. Lujan,P. Lukens, G. Lungu, J. Lys,R. Lysak,D. MacQueen,R. Madrak, K. Maeshima, K. Makhoul, P. Maksimovic, S. Malde,S. Malik,G. Manca, A. Manousakis-Katsikakis,F. Margaroli,C. Marino, A. Martin,V. Martin,M. Martínez,R. Martínez-Ballarín, P. Mastrandrea,M. Mathis,M. Mattson, P. Mazzanti, K. McFarland,P. McIntyre,R. McNulty,A. Mehta,P. Mehtala, A. Menzione, C. Mesropian, T. Miao,D. Mietlicki,N. Miladinovic,R. Miller, C. Mills,M. Milnik,A. Mitra, G. Mitselmakher,H. Miyake,S. Moed,N. Moggi,M. Mondragon,C. Moon,R. Moore,M. Morello,J. Morlock,P. Movilla Fernandez, J. Mülmenstädt, A. Mukherjee,Th. Muller,P. Murat,M. Mussini, J. Nachtman,Y. Nagai,J. Naganoma, K. Nakamura, I. Nakano, A. Napier, J. Nett, C. Neu, M. Neubauer,S. Neubauer,J. Nielsen, L. Nodulman, M. Norman,O. Norniella, E. Nurse,L. Oakes,S. Oh,Y. Oh,I. Oksuzian,T. Okusawa, R. Orava,K. Osterberg,S. Pagan Griso,C. Pagliarone,E. Palencia,V. Papadimitriou, A. Papaikonomou,A. Paramanov,B. Parks,S. Pashapour,J. Patrick, G. Pauletta, M. Paulini, C. Paus, T. Peiffer, D. Pellett, A. Penzo,T. Phillips,G. Piacentino,E. Pianori,L. Pinera,K. Pitts, C. Plager,L. Pondrom,K. Potamianos,O. Poukhov, F. Prokoshin,A. Pronko,F. Ptohos, E. Pueschel, G. Punzi, J. Pursley, J. Rademacker,A. Rahaman,V. Ramakrishnan,N. Ranjan, I. Redondo, P. Renton,M. Renz, M. Rescigno,S. Richter,F. Rimondi, L. Ristori, A. Robson, T. Rodrigo,T. Rodriguez,E. Rogers, S. Rolli, R. Roser,M. Rossi, R. Rossin,P. Roy,A. Ruiz,J. Russ,V. Rusu,B. Rutherford,H. Saarikko,A. Safonov, W. Sakumoto,L. Santi,L. Sartori,K. Sato,V. Saveliev, A. Savoy-Navarro,P. Schlabach,A. Schmidt,E. Schmidt, M. Schmidt, M. Schmitt, T. Schwarz, L. Scodellaro, A. Scribano, F. Scuri, A. Sedov, S. Seidel, Y. Seiya,A. Semenov,L. Sexton-Kennedy, F. Sforza, A. Sfyrla,S. Shalhout, T. Shears,P. Shepard, M. Shimojima,S. Shiraishi, M. Shochet,Y. Shon, I. Shreyber,A. Simonenko, P. Sinervo,A. Sisakyan,A. Slaughter, J. Slaunwhite, K. Sliwa,J. Smith,F. Snider,R. Snihur, A. Soha,S. Somalwar,V. Sorin, P. Squillacioti, M. Stanitzki,R. Denis, B. Stelzer, O. Stelzer-Chilton,D. Stentz, J. Strologas,G. Strycker,J. Suh,A. Sukhanov,I. Suslov, A. Taffard, R. Takashima,Y. Takeuchi, R. Tanaka,J. Tang,M. Tecchio,P. Teng,J. Thom,J. Thome,G. Thompson,E. Thomson,P. Tipton,P. Ttito-Guzmán, S. Tkaczyk, D. Toback, S. Tokar, K. Tollefson,T. Tomura,D. Tonelli,S. Torre,D. Torretta,P. Totaro,M. Trovato, S.-Y. Tsai,Y. Tu, N. Turini, F. Ukegawa,S. Uozumi,N. van Remortel,A. Varganov,E. Vataga,F. Vázquez,G. Velev,C. Vellidis,M. Vidal, I. Vila,R. Vilar,M. Vogel, I. Volobouev, G. Volpi,P. Wagner,R. Wagner, W. Wagner, J. Wagner-Kuhr,T. Wakisaka,R. Wallny,S. Wang, A. Warburton, D. Waters,M. Weinberger,J. Weinelt, W. Wester, B. Whitehouse, D. Whiteson, A. Wicklund, E. Wicklund,S. Wilbur,G. Williams,H. Williams,P. Wilson,B. Winer,P. Wittich,S. Wolbers,C. Wolfe,H. Wolfe,T. Wright,X. Wu, F. Würthwein, A. Yagil, K. Yamamoto, J. Yamaoka,U. Yang,Y. Yang, W. Yao,G. Yeh, K. Yi, J. Yoh, K. Yorita,T. Yoshida, G. Yu, I. Yu,S. Yu,J. Yun, A. Zanetti,Y. Zeng,X. Zhang,Y. Zheng,S. Zucchelli
PHYSICAL REVIEW D（2010）
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摘要
The production rate and kinematics of photons produced in association with Z bosons are studied using 2 fb(-1) of p (p) over bar collision data collected at the Collider Detector at Fermilab. The cross section for p (p) over bar -> l(+)l(-)gamma + X ( where the leptons l are either muons or electrons with dilepton mass M-ll > 40 GeV/c(2), and where the photon has transverse energy E-T(gamma) > 7 GeV and is well separated from the leptons) is 4.6 +/- 0.2(stat) +/- 0.3 (syst) +/- 0.3 (lum) pb, which is consistent with standard model expectations. We use the photon E-T distribution from Z gamma events where the Z has decayed to mu(+) mu(-) ,e(+) e(-), or nu(+) nu(-) to set limits on anomalous (non standard model) trilinear couplings between photons and Z bosons.
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