/ Experiment-HEP arXiv:0905.1478


Search for dark photons from supersymmetric hidden valleys


Abazov, V.M. (Dubna, JINR) ; Abbott, B. (Oklahoma U.) ; Abolins, M. (Michigan State U.) ; Acharya, Bannanje Sripath (Tata Inst.) ; Adams, M. (Illinois U., Chicago) ; Adams, T. (Florida State U.) ; Aguilo, E. (McGill U.) ; Ahsan, M. (Kansas State U.) ; Alexeev, G.D. (Dubna, JINR) ; Alkhazov, Georgiy D. (St. Petersburg, INP) ; Alton, Andrew K. (Michigan U.) ; Alverson, George O. (Northeastern U.) ; Alves, Gilvan Augusto (Rio de Janeiro, CBPF) ; Ancu, L.S. (NIKHEF, Amsterdam) ; Andeen, Timothy R. (Northwestern U.) ; Anzelc, M.S. (Northwestern U.) ; Aoki, M. (Fermilab) ; Arnoud, Yannick (LPSC, Grenoble) ; Arov, M. (Louisiana Tech. U.) ; Arthaud, M. (DAPNIA, Saclay) ; Askew, Andrew Warren (Florida State U.) ; Asman, Barbro (Uppsala U.) ; Atramentov, Oleksiy Vladimirovich (Florida State U.) ; Avila, C. (Los Andes U.) ; BackusMayes, J. (Washington U., Seattle) ; Badaud, F. (Clermont-Ferrand U.) ; Bagby, Linda F. (Fermilab) ; Baldin, B. (Fermilab) ; Bandurin, D.V. (Kansas State U.) ; Banerjee, S. (Tata Inst.) ; Barberis, Emanuela (Northeastern U.) ; Barfuss, Anne-fleur (Aix-Marseille III U.) ; Bargassa, P. (Rice U.) ; Baringer, Philip S. (Kansas U.) ; Barreto, Jorge L. (Rio de Janeiro, CBPF) ; Bartlett, J.Frederick (Fermilab) ; Bassler, Ursula Rita (DAPNIA, Saclay) ; Bauer, D. (Imperial Coll., London) ; Beale, Steven Thomas (McGill U.) ; Bean, Alice L. (Kansas U.) ; Begalli, M. (Rio de Janeiro State U.) ; Begel, Michael (Brookhaven) ; Belanger-Champagne, C. (Uppsala U.) ; Bellantoni, Leo (Fermilab) ; Bellavance, Angela M. (Fermilab) ; Benitez, Jorge Armando (Michigan State U.) ; Beri, Suman B. (Panjab U.) ; Bernardi, G. (Paris U., VI-VII) ; Bernhard, Ralf Patrick (Freiburg U.) ; Bertram, Iain (Lancaster U.) ; Besancon, M. (DAPNIA, Saclay) ; Beuselinck, Raymond (Imperial Coll., London) ; Bezzubov, V.A. (Serpukhov, IHEP) ; Bhat, P.C. (Fermilab) ; Bhatnagar, Vipin (Panjab U.) ; Blazey, Gerald Charles (Northern Illinois U.) ; Blessing, Susan K. (Florida State U.) ; Bloom, Kenneth A. (Nebraska U.) ; Boehnlein, A. (Fermilab) ; Boline, D. (Boston U.) ; Bolton, Timothy A. (Kansas State U.) ; Boos, E.E. (Moscow State U.) ; Borissov, Guennadi (Lancaster U.) ; Bose, Tulika (Boston U.) ; Brandt, A. (Texas U.) ; Brock, Raymond L. (Michigan State U.) ; Brooijmans, Gustaaf H. (Columbia U.) ; Bross, Alan D. (Fermilab) ; Brown, D. (Louis Pasteur U., Strasbourg I) ; Bu, X.B. (Hefei, CUST) ; Buchholz, D. (Northwestern U.) ; Buehler, M. (Virginia U.) ; Buescher, Volker (Bonn U.) ; Bunichev, V. (Moscow State U.) ; Burdin, S. (Lancaster U.) ; Burnett, Thompson H. (Washington U., Seattle) ; Buszello, C.P. (Imperial Coll., London) ; Calfayan, P. (Munich U.) ; Calpas, B. (Aix-Marseille III U.) ; Calvet, Samuel Pierre (Orsay, LAL) ; Cammin, Jochen (Rochester U.) ; Carrasco-Lizarraga, M.A. (CINVESTAV, IPN) ; Carrera, Edgar Fernando (Florida State U.) ; Carvalho, W. (Rio de Janeiro State U.) ; Casey, Brendan Cameron Kieran (Fermilab) ; Castilla-Valdez, Heriberto (CINVESTAV, IPN) ; Chakrabarti, S. (SUNY, Stony Brook) ; Chakraborty, D. (Northern Illinois U.) ; Chan, K.M. (Notre Dame U.) ; Chandra, A. (UC, Riverside) ; Cheu, Elliott Curtis (Arizona U.) ; Cho, DooKee (Boston U.) ; Choi, S. (Sungkyunkwan U.) ; Choudhary, Brajesh C. (Delhi U.) ; Christoudias, Theodoros (Imperial Coll., London) ; Cihangir, Selcuk (Fermilab) ; Claes, D. (Nebraska U.) ; Clutter, Justace Randall (Kansas U.) ; Cooke, M. (Fermilab) ; Cooper, W.E. (Fermilab) ; Corcoran, Marjorie D. (Rice U.) ; Couderc, F. (DAPNIA, Saclay) ; Cousinou, M.C. (Aix-Marseille III U.) ; Crepe Renaudin, Sabine (LPSC, Grenoble) ; Cuplov, Vesna (Kansas State U.) ; Cutts, D. (Brown U.) ; Cwiok, M. (University Coll., Dublin) ; Das, A. (Arizona U.) ; Davies, G. (Imperial Coll., London) ; De, K. (Texas U.) ; de Jong, S.J. (NIKHEF, Amsterdam) ; De La Cruz-Burelo, Eduard (CINVESTAV, IPN) ; DeVaughan, K. (Nebraska U.) ; Deliot, Frederic (DAPNIA, Saclay) ; Demarteau, Marcel (Fermilab) ; Demina, R. (Rochester U.) ; Denisov, Dmitri S. (Fermilab) ; Denisov, S.P. (Serpukhov, IHEP) ; Desai, S. (Fermilab) ; Diehl, H.Thomas (Fermilab) ; Diesburg, M. (Fermilab) ; Dominguez, A. (Nebraska U.) ; Dorland, Tyler McMillan (Washington U., Seattle) ; Dubey, A. (Delhi U.) ; Dudko, Lev V. (Moscow State U.) ; Duflot, Laurent Louis (Orsay, LAL) ; Duggan, D. (Florida State U.) ; Duperrin, A. (Aix-Marseille III U.) ; Dutt, S. (Panjab U.) ; Dyshkant, A. (Northern Illinois U.) ; Eads, Michael T. (Nebraska U.) ; Edmunds, D. (Michigan State U.) ; Ellison, J. (UC, Riverside) ; Elvira, V.Daniel (Fermilab) ; Enari, Y. (Brown U.) ; Eno, Sarah C. (Maryland U.) ; Ermolov, P. (Moscow State U.) ; Escalier, M. (Aix-Marseille III U.) ; Evans, H. (Indiana U.) ; Evdokimov, A. (Brookhaven) ; Evdokimov, V.N. (Serpukhov, IHEP) ; Facini, Gabriel (Northeastern U.) ; Ferapontov, A.V. (Kansas State U.) ; Ferbel, Thomas (Rochester U.) ; Fiedler, F. (Mainz U., Inst. Phys.) ; Filthaut, Frank (NIKHEF, Amsterdam) ; Fisher, W. (Fermilab) ; Fisk, H.Eugene (Fermilab) ; Fortner, M. (Northern Illinois U.) ; Fox, H. (Lancaster U.) ; Fu, S. (Fermilab) ; Fuess, Stuart C. (Fermilab) ; Gadfort, Thomas (Columbia U.) ; Galea, C.F. (NIKHEF, Amsterdam) ; Garcia-Bellido, Aran (Rochester U.) ; Gavrilov, V. (Moscow, ITEP) ; Gay, P. (Clermont-Ferrand U.) ; Geist, Walter M. (Louis Pasteur U., Strasbourg I) ; Geng, W. (Michigan State U.) ; Gerber, Cecilia E. (Illinois U., Chicago) ; Gershtein, Yuri S. (Florida State U.) ; Gillberg, D. (McGill U.) ; Ginther, G. (Rochester U.) ; Gomez, B. (Los Andes U.) ; Goussiou, Anna (Washington U., Seattle) ; Grannis, Paul D. (SUNY, Stony Brook) ; Greder, S. (Louis Pasteur U., Strasbourg I) ; Greenlee, Herbert B. (Fermilab) ; Greenwood, Zeno Dixon (Louisiana Tech. U.) ; Gregores, Eduardo M. (ABC Federal U.) ; Grenier, Gerald Jean (Lyon, IPN) ; Gris, Ph. (Clermont-Ferrand U.) ; Grivaz, Jean-Francois (Orsay, LAL) ; Grohsjean, Alexander (Munich U.) ; Grunendahl, S. (Fermilab) ; Grunewald, M.W. (University Coll., Dublin) ; Guo, F. (SUNY, Stony Brook) ; Guo, J. (SUNY, Stony Brook) ; Gutierrez, Gaston R. (Fermilab) ; Gutierrez, Phillip (Oklahoma U.) ; Haas, A. (Columbia U.) ; Hadley, Nicholas J. (Maryland U.) ; Haefner, P. (Munich U.) ; Hagopian, Sharon L. (Florida State U.) ; Haley, Joseph Glenn Biddle (Princeton U.) ; Hall, I. (Michigan State U.) ; Hall, Raymond Edward (California State Coll. of Penn.) ; Han, L. (Hefei, CUST) ; Harder, Kristian (Manchester U.) ; Harel, Amnon (Rochester U.) ; Hauptman, John Michael (Iowa State U.) ; Hays, J. (Imperial Coll., London) ; Hebbeker, Thomas (Aachen, Tech. Hochsch.) ; Hedin, D. (Northern Illinois U.) ; Hegeman, Jeroen Guido (FOM, Amsterdam) ; Heinson, Ann (UC, Riverside) ; Heintz, U. (Boston U.) ; Hensel, C. (Gottingen U., II. Phys. Inst.) ; Heredia-De La Cruz, I. (CINVESTAV, IPN) ; Herner, K. (Michigan U.) ; Hesketh, G. (Northeastern U.) ; Hildreth, Michael D. (Notre Dame U.) ; Hirosky, Robert James (Virginia U.) ; Hoang, T. (Florida State U.) ; Hobbs, John D. (SUNY, Stony Brook) ; Hoeneisen, Bruce (San Francisco de Quito U.) ; Hohlfeld, M. (Bonn U.) ; Hossain, S. (Oklahoma U.) ; Houben, P. (FOM, Amsterdam) ; Hu, Y. (SUNY, Stony Brook) ; Hubacek, Z. (Prague, Tech. U.) ; Huske, Nils Kristian (Paris U., VI-VII) ; Hynek, Vlastislav (Prague, Tech. U.) ; Iashvili, I. (SUNY, Buffalo) ; Illingworth, Robert A. (Fermilab) ; Ito, Albert S. (Fermilab) ; Jabeen, Shabnam (Boston U.) ; Jaffre, M. (Orsay, LAL) ; Jain, S. (Oklahoma U.) ; Jakobs, Karl (Freiburg U.) ; Jamin, D. (Aix-Marseille III U.) ; Jarvis, C. (Maryland U.) ; Jesik, Richard L. (Imperial Coll., London) ; Johns, Kenneth Arthur (Arizona U.) ; Johnson, C. (Columbia U.) ; Johnson, M. (Fermilab) ; Johnston, D. (Nebraska U.) ; Jonckheere, Alan M. (Fermilab) ; Jonsson, P. (Imperial Coll., London) ; Juste, A. (Fermilab) ; Kajfasz, E. (Aix-Marseille III U.) ; Karmanov, D. (Moscow State U.) ; Kasper, Penelope A. (Fermilab) ; Katsanos, I. (Nebraska U.) ; Kaushik, V. (Texas U.) ; Kehoe, Robert Leo Patrick, III (Southern Methodist U.) ; Kermiche, Smain (Aix-Marseille III U.) ; Khalatyan, Norayr (Fermilab) ; Khanov, A. (Oklahoma State U.) ; Kharchilava, Avto (SUNY, Buffalo) ; Kharzheev, Y.N. (Dubna, JINR) ; Khatidze, David (Columbia U.) ; Kim, Tae Jeong (Korea U.) ; Kirby, Michael H. (Northwestern U.) ; Kirsch, M. (Aachen, Tech. Hochsch.) ; Klima, Boaz (Fermilab) ; Kohli, J.M. (Panjab U.) ; Konrath, J.P. (Freiburg U.) ; Kozelov, Alexander V. (Serpukhov, IHEP) ; Kraus, J. (Michigan State U.) ; Kuhl, T. (Mainz U., Inst. Phys.) ; Kumar, A. (SUNY, Buffalo) ; Kupco, Alexander (Prague, Inst. Phys.) ; Kurca, T. (Lyon, IPN) ; Kuzmin, V.A. (Moscow State U.) ; Kvita, Jiri (Charles U.) ; Lacroix, F. (Clermont-Ferrand U.) ; Lam, D. (Notre Dame U.) ; Lammers, Sabine Wedam (Indiana U.) ; Landsberg, G. (Brown U.) ; Lebrun, P. (Lyon, IPN) ; Lee, W.M. (Fermilab) ; Leflat, A. (Moscow State U.) ; Lellouch, J. (Paris U., VI-VII) ; Li, J. (Texas U.) ; Li, L. (UC, Riverside) ; Li, Q.Z. (Fermilab) ; Lietti, Sergio Morais (Sao Paulo, IFT) ; Lim, J.K. (Korea U.) ; Lincoln, Donald W. (Fermilab) ; Linnemann, James Thomas (Michigan State U.) ; Lipaev, V.V. (Serpukhov, IHEP) ; Lipton, Ronald J. (Fermilab) ; Liu, Y. (Hefei, CUST) ; Liu, Z. (McGill U.) ; Lobodenko, A. (St. Petersburg, INP) ; Lokajicek, Milos (Prague, Inst. Phys.) ; Love, P. (Lancaster U.) ; Lubatti, Henry J. (Washington U., Seattle) ; Luna Garcia, Rene (CINVESTAV, IPN) ; Lyon, Adam Leonard (Fermilab) ; Maciel, A.K.A. (Rio de Janeiro, CBPF) ; Mackin, Dennis Stephen (Rice U.) ; Mattig, Peter Michael (Wuppertal U.) ; Magerkurth, A. (Michigan U.) ; Mal, Prolay Kumar (Washington U., Seattle) ; Malbouisson, H.B. (Rio de Janeiro State U.) ; Malik, S. (Nebraska U.) ; Malyshev, V.L. (Dubna, JINR) ; Maravin, Yurii Y. (Kansas State U.) ; Martin, B. (LPSC, Grenoble) ; McCarthy, Robert L. (SUNY, Stony Brook) ; McGivern, C.L. (Kansas U.) ; Meijer, M.M. (NIKHEF, Amsterdam) ; Melnitchouk, Alexander S. (Mississippi U.) ; Mendoza, L. (Los Andes U.) ; Menezes, D. (Northern Illinois U.) ; Mercadante, Pedro Galli (Sao Paulo, IFT) ; Merkin, Mikhail M. (Moscow State U.) ; Merritt, K.Wyatt (Fermilab) ; Meyer, A. (Aachen, Tech. Hochsch.) ; Meyer, J. (Gottingen U., II. Phys. Inst.) ; Mitrevski, Jovan Pavle (Columbia U.) ; Mommsen, R.K. (Manchester U.) ; Mondal, N.K. (Tata Inst.) ; Moore, Roger W. (McGill U.) ; Moulik, T. (Kansas U.) ; Muanza, Guy Steve (Aix-Marseille III U.) ; Mulhearn, Michael James (Columbia U.) ; Mundal, O. (Bonn U.) ; Mundim Filho, Luiz Martins (Rio de Janeiro State U.) ; Nagy, Elemer (Aix-Marseille III U.) ; Naimuddin, Md (Nayeem)y (Fermilab) ; Narain, Meenakshi (Brown U.) ; Neal, H.A. (Michigan U.) ; Negret, Juan Pablo (Los Andes U.) ; Neustroev, P. (St. Petersburg, INP) ; Nilsen, H. (Freiburg U.) ; Nogima, H. (Rio de Janeiro State U.) ; Novaes, Sergio F. (Sao Paulo, IFT) ; Nunnemann, Thomas P. (Munich U.) ; Obrant, G. (St. Petersburg, INP) ; Ochando, C. (Orsay, LAL) ; Onoprienko, Dmitry Vladimirovich (Kansas State U.) ; Hernandez-Orduna, Jose de Jesus (CINVESTAV, IPN) ; Oshima, N. (Fermilab) ; Osman, N. (Imperial Coll., London) ; Osta, Jyotsna (Notre Dame U.) ; Otec, R. (Prague, Tech. U.) ; Otero y Garzon, Gustavo J. (Buenos Aires U.) ; Owen, M. (Manchester U.) ; Padilla, Mark Anthony (UC, Riverside) ; Padley, Brian Paul (Rice U.) ; Pangilinan, M. (Brown U.) ; Parashar, Neeti (Purdue U.) ; Park, Su-Jung (Gottingen U., II. Phys. Inst.) ; Park, S.K. (Korea U.) ; Parsons, J. (Columbia U.) ; Partridge, R. (Brown U.) ; Parua, N. (Indiana U.) ; Patwa, Abid (Brookhaven) ; Pawloski, Gregory J. (Rice U.) ; Penning, B. (Freiburg U.) ; Perfilov, M. (Moscow State U.) ; Peters, K. (Manchester U.) ; Peters, Y. (Manchester U.) ; Petroff, P. (Orsay, LAL) ; Piegaia, R. (Buenos Aires U.) ; Piper, J. (Michigan State U.) ; Pleier, Marc-Andre (Bonn U.) ; Podesta Lerma, Pedro Luis Manuel (CINVESTAV, IPN) ; Podstavkov, V.M. (Fermilab) ; Pogorelov, Y. (Notre Dame U.) ; Pol, Maria Elena (Rio de Janeiro, CBPF) ; Polozov, P. (Moscow, ITEP) ; Popov, Alexey V. (Serpukhov, IHEP) ; Potter, C. (McGill U.) ; Prado da Silva, W.L. (Rio de Janeiro State U.) ; Protopopescu, Serban D. (Brookhaven) ; Qian, Jianming (Michigan U.) ; Quadt, Arnulf (Gottingen U., II. Phys. Inst.) ; Quinn, B. (Mississippi U.) ; Rakitin, Alexander Y. (Lancaster U.) ; Rangel, Murilo S. (Orsay, LAL) ; Ranjan, K. (Delhi U.) ; Ratoff, P.N. (Lancaster U.) ; Renkel, P. (Southern Methodist U.) ; Rich, P. (Manchester U.) ; Rijssenbeek, Michael M. (SUNY, Stony Brook) ; Ripp-Baudot, Isabelle (Louis Pasteur U., Strasbourg I) ; Rizatdinova, F. (Oklahoma State U.) ; Robinson, S. (Imperial Coll., London) ; Rodrigues, R.F. (Rio de Janeiro State U.) ; Rominsky, M. (Oklahoma U.) ; Royon, C. (DAPNIA, Saclay) ; Rubinov, Paul Michael (Fermilab) ; Ruchti, Randal C. (Notre Dame U.) ; Safronov, G. (Moscow, ITEP) ; Sajot, G. (LPSC, Grenoble) ; Sanchez-Hernandez, Alberto (CINVESTAV, IPN) ; Sanders, M.P. (Paris U., VI-VII) ; Sanghi, B. (Fermilab) ; Savage, G. (Fermilab) ; Sawyer, H.Lee (Louisiana Tech. U.) ; Scanlon, T. (Imperial Coll., London) ; Schaile, D. (Munich U.) ; Schamberger, R.Dean (SUNY, Stony Brook) ; Scheglov, Y. (St. Petersburg, INP) ; Schellman, Heidi M. (Northwestern U.) ; Schliephake, T. (Wuppertal U.) ; Schlobohm, S. (Washington U., Seattle) ; Schwanenberger, Christian (Manchester U.) ; Schwienhorst, Reinhard H. (Michigan State U.) ; Sekaric, J. (Florida State U.) ; Severini, Horst (Oklahoma U.) ; Shabalina, Elizaveta K. (Gottingen U., II. Phys. Inst.) ; Shamim, M. (Kansas State U.) ; Shary, Viacheslav V. (DAPNIA, Saclay) ; Shchukin, A.A. (Serpukhov, IHEP) ; Shivpuri, Ram K. (Delhi U.) ; Siccardi, V. (Louis Pasteur U., Strasbourg I) ; Simak, V. (Prague, Tech. U.) ; Sirotenko, V. (Fermilab) ; Skubic, P. (Oklahoma U.) ; Slattery, Paul F. (Rochester U.) ; Smirnov, D. (Notre Dame U.) ; Snow, G.R. (Nebraska U.) ; Snow, J. (Langston U.) ; Snyder, S. (Brookhaven) ; Soldner-Rembold, Stefan (Manchester U.) ; Sonnenschein, L. (Aachen, Tech. Hochsch.) ; Sopczak, A. (Lancaster U.) ; Sosebee, M. (Texas U.) ; Soustruznik, K. (Charles U.) ; Spurlock, B. (Texas U.) ; Stark, J. (LPSC, Grenoble) ; Stolin, V. (Moscow, ITEP) ; Stoyanova, D.A. (Serpukhov, IHEP) ; Strandberg, J. (Michigan U.) ; Strandberg, S. (Uppsala U.) ; Strang, Michael Allen (SUNY, Buffalo) ; Strauss, Emanuel (SUNY, Stony Brook) ; Strauss, M. (Oklahoma U.) ; Strohmer, R. (Munich U.) ; Strom, D. (Northwestern U.) ; Stutte, Linda G. (Fermilab) ; Sumowidagdo, Suharyo (Florida State U.) ; Svoisky, P. (NIKHEF, Amsterdam) ; Takahashi, M. (Manchester U.) ; Tanasijczuk, A. (Buenos Aires U.) ; Taylor, W. (McGill U.) ; Tiller, B. (Munich U.) ; Tissandier, F. (Clermont-Ferrand U.) ; Titov, Maxim P. (DAPNIA, Saclay) ; Tokmenin, V.V. (Dubna, JINR) ; Torchiani, I. (Freiburg U.) ; Tsybychev, Dmitri (SUNY, Stony Brook) ; Tuchming, B. (DAPNIA, Saclay) ; Tully, C. (Princeton U.) ; Tuts, Philip Michael (Columbia U.) ; Unalan, Rahmi (Michigan State U.) ; Uvarov, L. (St. Petersburg, INP) ; Uvarov, S. (St. Petersburg, INP) ; Uzunyan, Sergey A. (Northern Illinois U.) ; Vachon, Brigitte Marie Christine (McGill U.) ; van den Berg, P.J. (FOM, Amsterdam) ; Van Kooten, Richard J. (Indiana U.) ; van Leeuwen, W.M. (FOM, Amsterdam) ; Varelas, Nikos (Illinois U., Chicago) ; Varnes, E.W. (Arizona U.) ; Vasilyev, I.A. (Serpukhov, IHEP) ; Verdier, Patrice (Lyon, IPN) ; Vertogradov, L.S. (Dubna, JINR) ; Verzocchi, Marco (Fermilab) ; Vilanova, D. (DAPNIA, Saclay) ; Vint, P. (Imperial Coll., London) ; Vokac, P. (Prague, Tech. U.) ; Voutilainen, M. (Nebraska U.) ; Wagner, R. (Princeton U.) ; Wahl, Horst D. (Florida State U.) ; Wang, M.H.L.S. (Rochester U.) ; Warchol, J. (Notre Dame U.) ; Watts, G. (Washington U., Seattle) ; Wayne, Mitchell R. (Notre Dame U.) ; Weber, G. (Mainz U., Inst. Phys.) ; Weber, M. (Fermilab) ; Welty-Rieger, L. (Indiana U.) ; Wenger, A. (Freiburg U.) ; Wetstein, M. (Maryland U.) ; White, A. (Texas U.) ; Wicke, D. (Mainz U., Inst. Phys.) ; Williams, Mark Richard James (Lancaster U.) ; Wilson, Graham Wallace (Kansas U.) ; Wimpenny, Stephen J. (UC, Riverside) ; Wobisch, Markus (Louisiana Tech. U.) ; Wood, D.R. (Northeastern U.) ; Wyatt, Terence R. (Manchester U.) ; Xie, Y. (Brown U.) ; Xu, C. (Michigan U.) ; Yacoob, S. (Northwestern U.) ; Yamada, R. (Fermilab) ; Yang, W.C. (Manchester U.) ; Yasuda, T. (Fermilab) ; Yatsunenko, Y.A. (Dubna, JINR) ; Ye, Z. (Fermilab) ; Yin, Hang (Hefei, CUST) ; Yip, Kin (Brookhaven) ; Yoo, Hwi-Dong (Brown U.) ; Youn, S.W. (Northwestern U.) ; Yu, J. (Texas U.) ; Zeitnitz, C. (Wuppertal U.) ; Zelitch, S. (Virginia U.) ; Zhao, Tianchi (Washington U., Seattle) ; Zhou, B. (Michigan U.) ; Zhu, J. (SUNY, Stony Brook) ; Zielinski, M. (Rochester U.) ; Zieminska, Daria (Indiana U.) ; Zivkovic, Lidija (Columbia U.) ; Zutshi, V. (Northern Illinois U.) ; Zverev, E.G. (Moscow State U.)

Published in: Phys.Rev.Lett.
Year: 2009
Vol.: 103
Page No: 081802

Abstract: We search for a new light gauge boson, a dark photon, with the D0 experiment. In the model we consider, supersymmetric partners are pair produced and cascade to lightest neutralinos that can decay into the hidden sector state plus either a photon or a dark photon. The dark photon decays through its mixing with a photon into fermion pairs. We therefore investigate a previously unexplored final state that contains a photon, two spatially close leptons, and large missing transverse energy. We do not observe any evidence for dark photons and set a limit on their production.

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