학술논문

Z gamma production and limits on anomalous ZZ gamma and Z gamma gamma couplings in pp collisions at root s=1.96 TeV
Document Type
Author
Abazov, V. M.Abbott, B.Abolins, M.Acharya, B. S.Adams, M.Adams, T.Aguilo, E.Ahn, S. H.Ahsan, M.Alexeev, G. D.Alkhazov, G.Alton, A.Alverson, G.Alves, G. A.Anastasoaie, M.Ancu, L. S.Andeen, T.Anderson, S.Andrieu, B.Anzelc, M. S.Arnoud, Y.Arov, M.Arthaud, M.Askew, A.Åsman, B.Jesus, A. C. S. AssisAtramentov, O.Autermann, C.Avila, C.Ay, C.Badaud, F.Baden, A.Bagby, L.Baldin, B.Bandurin, D. V.Banerjee, P.Banerjee, S.Barberis, E.Barfuss, A. -FBargassa, P.Baringer, P.Barreto, J.Bartlett, J. F.Bassler, U.Bauer, D.Beale, S.Bean, A.Beaalli, M.Begel, M.Belanger-Champagne, CamilleBellantoni, L.Bellavance, A.Benitez, J. A.Beri, S. B.Bernardi, G.Bernhard, R.Berntzon, L.Bertram, I.Besancon, M.Beuselinck, R.Bezzubov, V. A.Bhat, P. C.Bhatnagar, V.Biscarat, C.Blazey, G.Blekman, F.Blessing, S.Bloch, D.Bloom, K.Boehnlein, A.Boline, D.Bolton, T. A.Borissov, G.Bos, K.Bose, T.Brandt, A.Brock, R.Brooijmans, G.Bross, A.Brown, D.Buchanan, N. J.Buchholz, D.Buehler, M.Buescher, V.Burdin, S.Burke, S.Burnett, T. H.Buszello, C. P.Butler, J. M.Calfayan, P.Calvet, S.Cammin, J.Caron, S.Carvalho, W.Casey, B. C. K.Cason, N. M.Castilla-Valdez, H.Chakrabarti, S.Chakraborty, D.Chan, K.Chan, K. M.Chandra, A.Charles, F.Cheu, E.Chevallier, F.Cho, D. K.Choi, S.Choudhary, B.Christofek, L.Christoudias, I.Cihangir, S.Claes, D.Clement, B.Clement, C.Coadou, Y.Cooke, M.Cooper, W. E.Corcoran, M.Couderc, F.Cousinou, M. C.Crepe-Renaudin, S.Cutts, D.Cwiok, M.da Motta, H.Das, A.Davies, G.De, K.de Jong, P.de Jong, S. J.De la Cruz-Burelo, E.De Oliveira Martins, C.Degenhardt, J. D.Deliot, F.Demarteau, M.Demina, R.Denisov, D.Denisov, S. P.Desai, S.Diehl, H. T.Diesburg, M.Dominguez, A.Dong, H.Dudko, L. V.Duflot, L.Dugad, S. R.Duggan, D.Duperrin, A.Dyer, J.Dyshkant, A.Eads, M.Edmunds, D.Ellison, J.Elvira, V. D.Enari, Y.Eno, S.Ermolov, P.Evans, H.Evdokimv, A.Evdokimov, V. N.Ferapontov, A. V.Ferbel, T.Fiedler, F.Filthaut, F.Fisher, W.Fisk, H. E.Ford, M.Fortner, M.Fox, H.Fu, S.Fuess, S.Gadfort, T.Galea, C. F.Gallas, E.Galyaev, E.Garcia, C.Garcia-Bellido, A.Gavrilov, V.Gay, P.Geist, W.Gele, D.Gerber, C. E.Gershtein, Y.Gillberg, D.Ginther, G.Gollub, NilsGomez, B.Goussiou, A.Grannis, P. D.Greenlee, H.Greenwood, Z. D.Gregores, E. M.Grenier, G.Gris, Ph.Grivaz, J. -FGrohsjean, A.Gruendahl, S.Gruenewald, M. W.Guo, F.Guo, J.Gutierrez, G.Gutierrez, P.Haas, A.Hadley, N. J.Haefner, P.Hagopian, S.Haley, J.Hall, I.Hall, R. E.Han, L.Hanacaki, K.Hansson, P.Harder, K.Harel, A.Harrington, R.Hauptman, J. M.Hauser, R.Hays, J.Hebbeker, T.Hedin, D.Hegeman, J. G.Heinmiller, J. M.Heinson, A. P.Heintz, U.Hensel, C.Herner, K.Hesketh, G.Hildreth, M. D.Hirosky, R.Hobbs, J. D.Hoeneisen, B.Hoeth, H.Hohlfeld, M.Hong, S. J.Hooper, R.Hossain, S.Houben, P.Hu, Y.Hubacek, Z.Hynek, V.Lashvili, I.Illingworth, R.Ito, A. S.Jabeen, S.Jaffre, M.Jain, S.Jakobs, K.Jarvis, C.Jesik, R.Johns, K.Johnson, C.Johnson, M.Jonckheere, A.Jonsson, P.Juste, A.Kaefert, D.Kahn, S.Kajfasz, E.Kalinin, A. M.Kalk, J. M.Kalk, J. R.Kappler, S.Karmanov, D.Kasperb, J.Kasper, P.Katsanos, I.Kau, D.Kaur, R.Kaushik, V.Kehoe, R.Kermiche, S.Khalatyan, N.Khanov, A.Kharchilava, A.Kharzheev, Y. M.Khatidze, D.Kim, H.Kim, T. J.Kirby, M. H.Kirsch, M.Klima, B.Kohli, J. M.Konrath, J. -PKopal, M.Korablev, V. M.Kothari, B.Kozelov, A. V.Krop, D.Kryemadhi, A.Kuhl, T.Kumar, A.Kunori, S.Kupco, A.Kurca, T.Kvita, J.Lam, D.Lammers, S.Landsberg, G.Lazoflores, J.Lebrun, P.Lee, W. M.Leflat, A.Lehner, F.Lellouch, J.Lesne, V.Leveque, J.Lewis, P.Li, J.Li, L.Li, Q. Z.Lietti, S. M.Lima, J. G. R.Lincoln, D.Linnemann, J.Lipaev, V. V.Lipton, R.Liu, Y.Liu, Z.Lobo, L.Lobodenko, A.Lokajicek, M.Lounis, A.Love, P.Lubatti, H. J.Lyon, A. L.Maciel, A. K. A.Mackin, D.Madaras, R. J.Mdttig, P.Magass, C.Magerkurth, A.Makovec, N.Mal, P. K.Malbouisson, H. B.Malik, S.Malyshev, V. L.Mao, H. S.Maravin, Y.Martin, B.McCarthy, R.Melnitchouk, A.Mendes, A.Mendoza, L.Mercadante, P. G.Merkin, M.Merritt, K. W.Meyer, A.Meyer, J.Michaut, M.Millet, T.Mitrevski, J.Molina, J.Mommsen, R. K.Mondal, N. K.Moore, R. W.Moulik, T.Muanza, G. S.Mulders, M.Mulhearn, M.Mundal, O.Mundim, L.Nagy, E.Naimuddin, M.Narain, M.Naumann, N. A.Neal, H. A.Negret, J. P.Neustroev, P.Nilsen, H.Noeding, C.Nomerotski, A.Novaes, S. F.Nunnemann, T.O'Dell, V.O'Neil, D. C.Obrant, G.Ochando, C.Onoprienko, D.Oshima, N.Osta, J.Otec, R.Otero y Garzon, G. J.Owen, M.Padley, P.Pangilinan, M.Parashar, N.Park, S. J.Park, S. K.Parsons, J.Partridge, R.Parua, N.Patwa, A.Pawloski, G.Perea, P. M.Peters, K.Peters, Y.Petroff, P.Petteni, M.Piegaia, R.Piper, J.Pleier, M. -APodesta-Lerma, P. L. M.Podstavkov, V. M.Pogorelov, Y.Pol, M. -EPompos, A.Pope, B. G.Popov, A. V.Potter, C.da Silva, W. L. PradoProsper, H. B.Protopopescu, S.Qian, J.Quadt, A.Quinn, B.Rakitine, A.Rangel, M. S.Rani, K. J.Ranjan, K.Ratoff, P. N.Renkel, P.Reucroft, S.Rich, P.Rijssenbeek, M.Ripp-Baudot, I.Rizatdinova, F.Robinson, S.Rodrigues, R. F.Royon, C.Rubinov, P.Ruchti, R.Safronov, G.Sajot, G.Sanchez-Hernandez, A.Sanders, M. P.Santoro, A.Savage, G.Sawyer, L.Scanlon, T.Schaile, D.Schamberger, R. D.Scheglov, Y.Schellman, H.Schieferdecker, P.Schliephake, T.Schmitt, C.Schwanenberger, C.Schwartzman, A.Schwienhorst, R.Sekaric, J.Sengupta, S.Severini, H.Shabalina, E.Shamim, M.Shary, V.Shchukin, A. A.Shivpuri, R. K.Shpakov, D.Siccardi, V.Simak, V.Sirotenko, V.Skubic, P.Slattery, P.Smimov, D.Smith, R. P.Snow, G. R.Snow, J.Snyder, S.Soeldner-Rembold, S.Sonnenschein, L.Sopczak, A.Sosebee, M.Soustruznik, K.Souza, M.Spurlock, B.Stark, J.Steele, J.Stolin, V.Stone, A.Stoyanova, D. A.Strandberg, J.Strandberg, S.Strang, M. A.Strauss, M.Stroehmer, R.Strom, D.Strovink, M.Stutte, L.Surnowidagdo, S.Svoisky, P.Sznajder, A.Talby, M.Tamburello, P.Tanasijczuk, A.Taylor, W.Telford, P.Temple, J.Tiller, B.Tissandier, E.Titov, M.Tokmenin, V. V.Tornoto, M.Toole, T.Torchiani, I.Trefzger, T.Tsybychev, D.Tuchming, B.Tully, C.Tuts, P. M.Unalan, R.Uvarov, L.Uvarov, S.Uzunyan, S.Vachon, B.van den Berg, Ptvan Eiik, B.van Kooten, R.van Leeuwen, W. M.Varelas, N.Varnes, E. W.Vartapetian, A.Vasilyev, I. A.Vaupel, M.Verdier, P.Vertogradov, L. S.Verzocchi, M.Villeneuve-Seguier, F.Vint, P.Von Toerne, E.Voutilainen, M.Vreeswijk, M.Wagner, R.Wahl, H. D.Wang, L.Wang, M. H. L. S.Warchol, J.Watts, G.Wayne, A.Weber, G.Weber, A.Weerts, H.Wenger, A.Wermes, N.Wetstein, M.White, A.Wicke, D.Wilson, G. W.Wimpenny, S. J.Wobisch, M.Wood, D. R.Wyatt, T. R.Xie, Y.Yacoob, S.Yamada, R.Yan, M.Yasuda, T.Yatsunenko, Y. A.Yip, K.Yoo, H. D.Youn, S. W.Yu, C.Yu, I.Yurkewicz, A.Zatserklyaniy, A.Zeitnitz, C.Zhang, D.Zhao, T.Zhou, B.Zhu, J.Zielinski, M.Zieminska, D.Zieminski, A.Zivkovic, L.Zutshi, V.Zverev, E. G.
Source
Physics Letters B. 653(5-6):378-386
Subject
NATURAL SCIENCES
Physics
NATURVETENSKAP
Fysik
Language
English
ISSN
0370-2693
1873-2445
Abstract
We present a study of eey and mu mu gamma events using 1109 (1009) pb-(1) of data in the electron (muon) channel, respectively. These data were collected with the DO detector at the Fermilab Tevatron pp collider at Is = 1.96 TeV. Having observed 453 (515) candidates in the eey (jtAy) final state, we measure the Z gamma production cross section for a photon with transverse energy ET > 7 GeV, separation between the photon and leptons Delta Rey > 0.7, and invariant mass of the di-lepton pair Mee > 30 GeV/(2)(c), to be 4.96 0.30(stat. + syst.) zE 0.30(lumi.) pb, in agreement with the Standard Model prediction of 4.74 0.22 pb. This is the most precise Zy cross section measurement at a hadron collider. We set limits on anomalous trilinear Zyy and ZZy gauge boson couplings of -0.085 < h(30)(y) < 0.084, -0.0053 < h(40)(y) < 0.0054 and -0.083 < h(30)(Z) < 0.082, 30 40 30 -0.0053 < h(40)(Z) < 0.0054 at the 95% C.L. for the form-factor scale A = 1.2 TeV. 40 .