Search for the standard model Higgs boson produced in association with a Z boson in 7.9 fb −1 of pp collisions at √s = 1.96 TeV using the CDF II detector

Aaltonen, T. et al. (2012) Search for the standard model Higgs boson produced in association with a Z boson in 7.9 fb −1 of pp collisions at √s = 1.96 TeV using the CDF II detector. Physics Letters B, 715(1-3), pp. 98-104. (doi: 10.1016/j.physletb.2012.07.045)

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Abstract

We present a search for the standard model Higgs boson produced in association with a Z boson, using up to 7.9 fb−1 of integrated luminosity from pp¯ collisions collected with the CDF II detector. We utilize several novel techniques, including multivariate lepton selection, multivariate trigger parametrization, and a multi-stage signal discriminant consisting of specialized functions trained to distinguish individual backgrounds. By increasing acceptance and enhancing signal discrimination, these techniques have significantly improved the sensitivity of the analysis above what was expected from a larger dataset alone. We observe no significant evidence for a signal, and we set limits on the ZH production cross section. For a Higgs boson with mass 115 GeV/c 2, we expect (observe) a limit of 3.9 (4.8) times the standard model predicted value, at the 95% credibility level.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Robson, Professor 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.A., Arisawa, T., Artikov, A., Asaadi, J., Ashmanskas, W., Auerbach, B., Aurisano, A., Azfar, F., Badgett, W., Bae, T., Barbaro-Galtieri, A., Barnes, V.E., Barnett, B.A., Barria, P., Bartos, P., Bauce, M., Bedeschi, F., Behari, S., Bellettini, G., Bellinger, J., Benjamin, D., Beretvas, A., Bhatti, A., Bisello, D., Bizjak, I., Bland, K.R., Blumenfeld, B., Bocci, A., Bodek, A., Bortoletto, D., Boudreau, J., Boveia, A., Brigliadori, L., Bromberg, C., Brucken, E., Budagov, J., Budd, H.S., Burkett, K., Busetto, G., Bussey, P., Buzatu, A., Calamba, A., Calancha, C., Camarda, S., Campanelli, M., Campbell, M., Canelli, F., 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.C., Chertok, M., Chiarelli, G., Chlachidze, G., Chlebana, F., Cho, K., Chokheli, D., Chung, W.H., Chung, Y.S., Ciocci, M.A., Clark, A., Clarke, C., Compostella, G., Convery, M.E., Conway, J., Corbo, M., Cordelli, M., Cox, C.A., Cox, D.J., Crescioli, F., Cuevas, J., Culbertson, R., Dagenhart, D., dʼAscenzo, N., Datta, M., de Barbaro, P., DellʼOrso, M., Demortier, L., Deninno, M., Devoto, F., dʼErrico, M., Di Canto, A., Di Ruzza, B., Dittmann, J.R., DʼOnofrio, M., Donati, S., Dong, P., Dorigo, M., Dorigo, T., Ebina, K., Elagin, A., Eppig, A., Erbacher, R., Errede, S., Ershaidat, N., Eusebi, R., Farrington, S., Feindt, M., Fernandez, J.P., Field, R., Flanagan, G., Forrest, R., Frank, M.J., Franklin, M., Freeman, J.C., Funakoshi, Y., Furic, I., Gallinaro, M., Garcia, J.E., Garfinkel, A.F., Garosi, P., Gerberich, H., Gerchtein, E., Giagu, S., Giakoumopoulou, V., Giannetti, P., Gibson, K., Ginsburg, C.M., Giokaris, N., Giromini, P., 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.T., Goulianos, K., Grinstein, S., Grosso-Pilcher, C., Group, R.C., Guimaraes da Costa, J., Hahn, S.R., Halkiadakis, E., Hamaguchi, A., Han, J.Y., Happacher, F., Hara, K., Hare, D., Hare, M., Harr, R.F., Hatakeyama, K., Hays, C., Heck, M., Heinrich, J., Herndon, M., Hewamanage, S., Hocker, A., Hopkins, W., Horn, D., Hou, S., Hughes, R.E., Hurwitz, M., Husemann, U., Hussain, N., Hussein, M., Huston, J., Introzzi, G., Iori, M., Ivanov, A., James, E., Jang, D., Jayatilaka, B., Jeon, E.J., Jindariani, S., Jones, M., Joo, K.K., Jun, S.Y., Junk, T.R., Kamon, T., Karchin, P.E., Kasmi, A., Kato, Y., Ketchum, W., Keung, J., Khotilovich, V., Kilminster, B., Kim, D.H., Kim, H.S., Kim, J.E., Kim, M.J., Kim, S.B., Kim, S.H., Kim, Y.K., Kim, Y.J., Kimura, N., Kirby, M., Klimenko, S., Knoepfel, K., Kondo, K., Kong, D.J., Konigsberg, J., Kotwal, A.V., Kreps, M., Kroll, J., Krop, D., Kruse, M., Krutelyov, V., Kuhr, T., Kurata, M., Kwang, S., Laasanen, A.T., Lami, S., Lammel, S., Lancaster, M., Lander, R.L., Lannon, K., Lath, A., Latino, G., LeCompte, T., Lee, E., Lee, H.S., Lee, J.S., Lee, S.W., Leo, S., Leone, S., Lewis, J.D., Limosani, A., Lin, C.-J., Lindgren, M., Lipeles, E., Lister, A., Litvintsev, D.O., Liu, C., Liu, H., Liu, Q., Liu, T., Lockwitz, S., Loginov, A., Lucchesi, D., Lueck, J., Lujan, P., Lukens, P., Lungu, G., Lys, J., Lysak, R., Madrak, R., Maeshima, K., Maestro, P., Malik, S., Manca, G., Manousakis-Katsikakis, A., Margaroli, F., Marino, C., Martínez, M., Mastrandrea, P., Matera, K., Mattson, M.E., Mazzacane, A., Mazzanti, P., McFarland, K.S., McIntyre, P., McNulty, R., Mehta, A., Mehtala, P., Mesropian, C., Miao, T., Mietlicki, D., Mitra, A., Miyake, H., Moed, S., Moggi, N., Mondragon, M.N., Moon, C.S., Moore, R., Morello, M.J., 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.S., Nielsen, J., Nodulman, L., Noh, S.Y., Norniella, O., Oakes, L., Oh, S.H., Oh, Y.D., Oksuzian, I., Okusawa, T., Orava, R., Ortolan, L., Pagan Griso, S., Pagliarone, C., Palencia, E., Papadimitriou, V., Paramonov, A.A., Patrick, J., Pauletta, G., Paulini, M., Paus, C., Pellett, D.E., Penzo, A., Phillips, T.J., Piacentino, G., Pianori, E., Pilot, J., Pitts, K., Plager, C., Pondrom, L., Poprocki, S., Potamianos, K., Prokoshin, F., Pranko, A., Ptohos, F., Punzi, G., Rahaman, A., Ramakrishnan, V., Ranjan, N., Redondo, I., Renton, P., Rescigno, M., Riddick, T., Rimondi, F., Ristori, L., Robson, A., Rodrigo, T., Rodriguez, T., Rogers, E., Rolli, S., Roser, R., Ruffini, F., Ruiz, A., Russ, J., Rusu, V., Safonov, A., Sakumoto, W.K., Sakurai, Y., Santi, L., Sato, K., Saveliev, V., Savoy-Navarro, A., Schlabach, P., Schmidt, A., Schmidt, E.E., Schwarz, T., Scodellaro, L., Scribano, A., Scuri, F., Seidel, S., Seiya, Y., Semenov, A., Sforza, F., Shalhout, S.Z., Shears, T., Shepard, P.F., Shimojima, M., Shochet, M., Shreyber-Tecker, I., Simonenko, A., Sinervo, P., Sliwa, K., Smith, J.R., Snider, F.D., Soha, A., Sorin, V., Song, H., Squillacioti, P., Stancari, M., St Denis, R., Stelzer, B., Stelzer-Chilton, O., Stentz, D., Strologas, J., Strycker, G.L., Sudo, Y., Sukhanov, A., Suslov, I., Takemasa, K., Takeuchi, Y., Tang, J., Tecchio, M., Teng, P.K., Thom, J., Thome, J., Thompson, G.A., Thomson, E., Tipton, P., Toback, D., Tokar, S., Tollefson, K., Tomura, T., Tonelli, D., Torre, S., Torretta, D., Totaro, P., Trovato, M., 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.L., Wakisaka, T., Wallny, R., Wang, S.M., Warburton, A., Waters, D., Wester, W.C., Whiteson, D., Wicklund, A.B., Wicklund, E., Wilbur, S., Wick, F., Williams, H.H., Wilson, J.S., Wilson, P., Winer, B.L., Wittich, P., Wolbers, S., Wolfe, H., Wright, T., Wu, X., Wu, Z., Yamamoto, K., Yamato, D., Yang, T., Yang, U.K., Yang, Y.C., Yao, W.-M., Yeh, G.P., Yi, K., Yoh, J., Yorita, K., Yoshida, T., Yu, G.B., Yu, I., Yu, S.S., Yun, J.C., Zanetti, A., Zeng, Y., Zhou, C., and Zucchelli, S.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physics Letters B
Publisher:Elsevier BV
ISSN:0370-2693

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