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Limits on anomalous trilinear gauge couplings in Zγ events from pp¯ collisions at √s=1.96 TeV

Aaltonen, T. et al. (2011) Limits on anomalous trilinear gauge couplings in Zγ events from pp¯ collisions at √s=1.96 TeV. Physical Review Letters, 107 (5). ISSN 0031-9007 (doi:10.1103/PhysRevLett.107.051802)

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Publisher's URL: http://dx.doi.org/10.1103/PhysRevLett.107.051802

Abstract

Using Zγ candidate events collected by the CDF detector at the Tevatron Collider, we search for potential anomalous (non-standard-model) couplings between the Z boson and the photon. Zγ couplings vanish at tree level and are heavily suppressed at higher orders; hence any evidence of couplings indicates new physics. Measurements are performed using data corresponding to an integrated luminosity of 4.9  fb-1 in the Z→νν̅ decay channel and 5.1  fb-1 in the Z→l+l- (l=μ, e) decay channels. The combination of these measurements provides the most stringent limits to date on Zγ trilinear gauge couplings. Using an energy scale of Λ=1.5  TeV to allow for a direct comparison with previous measurements, we find limits on the CP-conserving parameters that describe Zγ couplings to be |h3γ,Z |<0.022 and |h4γ,Z |<0.0009. These results are consistent with standard model predictions.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Robson, Dr Aidan and St Denis, Dr Richard and Bussey, Dr Peter
Authors: Aaltonen, T., Álvarez González, B., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J., Apollinari, G., Appel, J., Apresyan, A., Arisawa, T., Artikov, A., Asaadi, J., Ashmanskas, W., Auerbach, B., Aurisano, A., Azfar, F., Badgett, W., Barbaro-Galtieri, A., Barnes, V., Barnett, B., Barria, P., Bartos, P., Bauce, M., Bauer, G., Bedeschi, F., Beecher, D., Behari, S., Bellettini, G., Bellinger, J., Benjamin, D., Beretvas, A., Bhatti, A., Binkley, M., Bisello, D., Bizjak, I., Bland, K., Blumenfeld, B., Bocci, A., Bodek, A., Bortoletto, D., Boudreau, J., Boveia, A., Brau, B., Brigliadori, L., Brisuda, A., Bromberg, C., Brucken, E., Bucciantonio, M., Budagov, J., Budd, H., Budd, S., Burkett, K., Busetto, G., Bussey, P., Buzatu, A., Calancha, C., Camarda, S., Campanelli, M., Campbell, M., Canelli, F., Canepa, A., Carls, B., Carlsmith, D., Carosi, R., Carrillo, S., Carron, S., Casal, B., Casarsa, M., Castro, A., Catastini, P., Cauz, D., Cavaliere, V., Cavalli-Sforza, M., Cerri, A., Cerrito, L., Chen, Y., Chertok, M., Chiarelli, G., Chlachidze, G., Chlebana, F., Cho, K., Chokheli, D., Chou, J., Chung, W., Chung, Y., Ciobanu, C., Ciocci, M., Clark, A., Compostella, G., Convery, M., Conway, J., Corbo, M., Cordelli, M., Cox, C., Cox, D., Crescioli, F., Cuenca Almenar, C., Cuevas, J., Culbertson, R., Dagenhart, D., d’Ascenzo, N., Datta, M., de Barbaro, P., De Cecco, S., De Lorenzo, G., Dell’Orso, M., Deluca, C., Demortier, L., Deng, J., Deninno, M., Devoto, F., d’Errico, M., Di Canto, A., Di Ruzza, B., Dittmann, J., D’Onofrio, M., Donati, S., Dong, P., Dorigo, M., Dorigo, T., Ebina, K., Elagin, A., Eppig, A., Erbacher, R., Errede, D., Errede, S., Ershaidat, N., Eusebi, R., Fang, H., Farrington, S., Feindt, M., Fernandez, J., Ferrazza, C., Field, R., Flanagan, G., Forrest, R., Frank, M., Franklin, M., Freeman, J., Funakoshi, Y., Furic, I., Gallinaro, M., Galyardt, J., Garcia, J., Garfinkel, A., Garosi, P., Gerberich, H., Gerchtein, E., Giagu, S., Giakoumopoulou, V., Giannetti, P., Gibson, K., Ginsburg, C., Giokaris, N., Giromini, P., Giunta, M., Giurgiu, G., Glagolev, V., Glenzinski, D., Gold, M., Goldin, D., Goldschmidt, N., Golossanov, A., Gomez, G., Gomez-Ceballos, G., Goncharov, M., González, O., Gorelov, I., Goshaw, A., Goulianos, K., Grinstein, S., Grosso-Pilcher, C., Group, R., Guimaraes da Costa, J., Gunay-Unalan, Z., Haber, C., Hahn, S., Halkiadakis, E., Hamaguchi, A., Han, J., Happacher, F., Hara, K., Hare, D., Hare, M., Harr, R., Hatakeyama, K., Hays, C., Heck, M., Heinrich, J., Herndon, M., Hewamanage, S., Hidas, D., Hocker, A., Hopkins, W., Horn, D., Hou, S., Hughes, R., Hurwitz, M., Husemann, U., Hussain, N., Hussein, M., Huston, J., Introzzi, G., Iori, M., Ivanov, A., James, E., Jang, D., Jayatilaka, B., Jeon, E., Jha, M., Jindariani, S., Johnson, W., Jones, M., Joo, K., Jun, S., Junk, T., Kamon, T., Karchin, P., Kasmi, A., Kato, Y., Ketchum, W., Keung, J., Khotilovich, V., Kilminster, B., Kim, D., Kim, H., Kim, H., Kim, J., Kim, M., Kim, S., Kim, S., Kim, Y., Kimura, N., Kirby, M., Klimenko, S., Kondo, K., Kong, D., Konigsberg, J., Kotwal, A., Kreps, M., Kroll, J., Krop, D., Krumnack, N., Kruse, M., Krutelyov, V., Kuhr, T., Kurata, M., Kwang, S., Laasanen, A., Lami, S., Lammel, S., Lancaster, M., Lander, R., Lannon, K., Lath, A., Latino, G., LeCompte, T., Lee, E., Lee, H., Lee, J., Lee, S., Leo, S., Leone, S., Lewis, J., Limosani, A., Lin, C.-J., Linacre, J., Lindgren, M., Lipeles, E., Lister, A., Litvintsev, D., Liu, C., Liu, Q., Liu, T., Lockwitz, S., Lockyer, N., Loginov, A., Lucchesi, D., Lueck, J., Lujan, P., Lukens, P., Lungu, G., Lys, J., Lysak, R., Madrak, R., Maeshima, K., Makhoul, K., Maksimovic, P., Malik, S., Manca, G., Manousakis-Katsikakis, A., Margaroli, F., Marino, C., Martínez, M., Martínez-Ballarín, R., Mastrandrea, P., Mathis, M., Mattson, M., Mazzanti, P., McFarland, K., McIntyre, P., McNulty, R., Mehta, A., Mehtala, P., Menzione, A., Mesropian, C., Miao, T., Mietlicki, D., Mitra, A., Miyake, H., Moed, S., Moggi, N., Mondragon, M., Moon, C., Moore, R., Morello, M., Morlock, J., Movilla Fernandez, P., Mukherjee, A., Muller, T., Murat, P., Mussini, M., Nachtman, J., Nagai, Y., Naganoma, J., Nakano, I., Napier, A., Nett, J., Neu, C., Neubauer, M., Nielsen, J., Nodulman, L., Norniella, O., Nurse, E., Oakes, L., Oh, S., Oh, Y., Oksuzian, I., Okusawa, T., Orava, R., Ortolan, L., Pagan Griso, S., Pagliarone, C., Palencia, E., Papadimitriou, V., Paramonov, A., Patrick, J., Pauletta, G., Paulini, M., Paus, C., Pellett, D., Penzo, A., Phillips, T., Piacentino, G., Pianori, E., Pilot, J., Pitts, K., Plager, C., Pondrom, L., Potamianos, K., Poukhov, O., Prokoshin, F., Pronko, A., Ptohos, F., Pueschel, E., Punzi, G., Pursley, J., Rahaman, A., Ramakrishnan, V., Ranjan, N., Redondo, I., Renton, P., Rescigno, M., Rimondi, F., Ristori, L., Robson, A., Rodrigo, T., Rodriguez, T., Rogers, E., Rolli, S., Roser, R., Rossi, M., Rubbo, F., Ruffini, F., Ruiz, A., Russ, J., Rusu, V., Safonov, A., Sakumoto, W., Sakurai, Y., Santi, L., Sartori, L., Sato, K., Saveliev, V., Savoy-Navarro, A., Schlabach, P., Schmidt, A., Schmidt, E., Schmidt, M., Schmitt, M., Schwarz, T., Scodellaro, L., Scribano, A., Scuri, F., Sedov, A., Seidel, S., Seiya, Y., Semenov, A., Sforza, F., Sfyrla, A., Shalhout, S., Shears, T., Shepard, P., Shimojima, M., Shiraishi, S., Shochet, M., Shreyber, I., Simonenko, A., Sinervo, P., Sissakian, A., Sliwa, K., Smith, J., Snider, F., Soha, A., Somalwar, S., Sorin, V., Squillacioti, P., Stancari, M., Stanitzki, M., St Denis, R., Stelzer, B., Stelzer-Chilton, O., Stentz, D., Strologas, J., Strycker, G., Sudo, Y., Sukhanov, A., Suslov, I., Takemasa, K., Takeuchi, Y., Tang, J., Tecchio, M., Teng, P., Thom, J., Thome, J., Thompson, G., Thomson, E., Ttito-Guzmán, P., Tkaczyk, S., Toback, D., Tokar, S., Tollefson, K., Tomura, T., Tonelli, D., Torre, S., Torretta, D., Totaro, P., Trovato, M., Tu, Y., Ukegawa, F., Uozumi, S., Varganov, A., Vázquez, F., Velev, G., Vellidis, C., Vidal, M., Vila, I., Vilar, R., Vizán, J., Vogel, M., Volpi, G., Wagner, P., Wagner, R., Wakisaka, T., Wallny, R., Wang, S., Warburton, A., Waters, D., Weinberger, M., Wester, W., Whitehouse, B., Whiteson, D., Wicklund, A., Wicklund, E., Wilbur, S., Wick, F., Williams, H., Wilson, J., Wilson, P., Winer, B., Wittich, P., Wolbers, S., Wolfe, H., Wright, T., Wu, X., Wu, Z., Yamamoto, K., Yamaoka, J., Yang, T., Yang, U., Yang, Y., Yao, W.-M., Yeh, G., Yi, K., Yoh, J., Yorita, K., Yoshida, T., Yu, G., Yu, I., Yu, S., Yun, J., Zanetti, A., Zeng, Y., and Zucchelli, S.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review Letters
Publisher:American Physical Society
ISSN:0031-9007
ISSN (Online):1079-7114

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
395963Experimental Particle PhysicsAnthony DoyleScience & Technologies Facilities Council (STFC)ST/H001077/1Physics and Astronomy