Document details

Search for long-lived particles decaying into electron or photon pairs with the D0 detector

Author(s): Abazov, V. M. ; Abbott, B. ; Abolins, M. ; Acharya, B. S. ; Adams, M. ; Adams, T. ; Aguilo, E. ; Ahsan, M. ; Alexeev, G. D. ; Alkhazov, G. ; Alton, A. ; Alverson, G. ; Alves, G. A. ; Anastasoaie, M. ; Ancu, L. S. ; Andeen, T. ; Andrieu, B. ; Anzelc, M. S. ; Aoki, M. ; Arnoud, Y. ; Arov, M. ; Arthaud, M. ; Askew, A. ; Asman, B. ; Jesus, A. C. S. Assis ; Atramentov, O. ; Avila, C. ; Badaud, F. ; Bagby, L. ; Baldin, B. ; Bandurin, D. V. ; Banerjee, P. ; Banerjee, S. ; Barberis, E. ; Barfuss, A. -F. ; Bargassa, P. ; Baringer, P. ; Barreto, J. ; Bartlett, J. F. ; Bassler, U. ; Bauer, D. ; Beale, S. ; Bean, A. ; Begalli, M. ; Begel, M. ; Belanger-Champagne, C. ; Bellantoni, L. ; Bellavance, A. ; Benitez, J. A. ; Beri, S. B. ; Bernardi, G. ; Bernhard, R. ; Bertram, I. ; Besancon, M. ; Beuselinck, R. ; Bezzubov, V. A. ; Bhat, P. C. ; Bhatnagar, V. ; Biscarat, C. ; Blazey, G. ; Blekman, F. ; Blessing, S. ; Bloom, K. ; Boehnlein, A. ; Boline, D. ; Bolton, T. A. ; Boos, E. E. ; Borissov, G. ; Bose, T. ; Brandt, A. ; Brock, R. ; Brooijmans, G. ; Bross, A. ; Brown, D. ; Bu, X. B. ; Buchanan, N. J. ; Buchholz, D. ; Buehler, M. ; Buescher, V. ; Bunichev, V. ; Burdin, S. ; Burnett, T. H. ; Buszello, C. P. ; Butler, J. M. ; Calfayan, P. ; Calvet, S. ; Cammin, J. ; Carrera, E. ; Carvalho, W. ; Casey, B. C. K. ; Castilla-Valdez, H. ; Chakrabarti, S. ; Chakraborty, D. ; Chan, K. M. ; Chandra, A. ; Cheu, E. ; Chevallier, F. ; Cho, D. K. ; Choi, S. ; Choudhary, B. ; Christofek, L. ; Christoudias, T. ; Cihangir, S. ; Claes, D. ; Clutter, J. ; Cooke, M. ; Cooper, W. E. ; Corcoran, M. ; Couderc, F. ; Cousinou, M. -C. ; Crepe-Renaudin, S. ; Cuplov, V. ; Cutts, D. ; Cwiok, M. ; Motta, H. da ; Das, A. ; Davies, G. ; De, K. ; De Jong, S. J. ; De La Cruz-Burelo, E. ; Martins, C. De Oliveira ; DeVaughan, K. ; 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. ; Dorland, T. ; Dubey, A. ; 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. ; Evdokimov, A. ; Evdokimov, V. N. ; Ferapontov, A. V. ; Ferbel, T. ; Fiedler, F. ; Filthaut, F. ; Fisher, W. ; Fisk, H. E. ; Fortner, M. ; Fox, H. ; Fu, S. ; Fuess, S. ; Gadfort, T. ; Galea, C. F. ; Garcia, C. ; Garcia-Bellido, A. ; Gavrilov, V. ; Gay, P. ; Geist, W. ; Geng, W. ; Gerber, C. E. ; Gershtein, Y. ; Gillberg, D. ; Ginther, G. ; Gollub, N. ; Gomez, B. ; Goussiou, A. ; Grannis, P. D. ; Greenlee, H. ; Greenwood, Z. D. ; Gregores, E. M. ; Grenier, G. ; Gris, Ph. ; Grivaz, J. -F. ; Grohsjean, A. ; Gruenendahl, 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. ; Harder, K. ; Harel, A. ; Hauptman, J. M. ; Hays, J. ; Hebbeker, T. ; Hedin, D. ; Hegeman, J. G. ; 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. ; Hossain, S. ; Houben, P. ; Hu, Y. ; Hubacek, Z. ; Hynek, V. ; Iashvili, I. ; Illingworth, R. ; Ito, A. S. ; Jabeen, S. ; Jaffre, M. ; Jain, S. ; Jakobs, K. ; Jarvis, C. ; Jesik, R. ; Johns, K. ; Johnson, C. ; Johnson, M. ; Johnston, D. ; Jonckheere, A. ; Jonsson, P. ; Juste, A. ; Kajfasz, E. ; Kalk, J. M. ; Karmanov, D. ; Kasper, P. A. ; Katsanos, I. ; Kau, D. ; Kaushik, V. ; Kehoe, R. ; Kermiche, S. ; Khalatyan, N. ; Khanov, A. ; Kharchilava, A. ; Kharzheev, Y. M. ; Khatidze, D. ; Kim, T. J. ; Kirby, M. H. ; Kirsch, M. ; Klima, B. ; Kohli, J. M. ; Konrath, J. -P. ; Kozelov, A. V. ; Kraus, J. ; Kuhl, T. ; Kumar, A. ; Kupco, A. ; Kurca, T. ; Kuzmin, V. A. ; Kvita, J. ; Lacroix, F. ; Lam, D. ; Lammers, S. ; Landsberg, G. ; Lebrun, P. ; Lee, W. M. ; Leflat, A. ; Lellouch, J. ; Li, J. ; Li, L. ; Li, Q. Z. ; Lietti, S. M. [UNESP] ; Lim, J. K. ; Lima, J. G. R. ; Lincoln, D. ; Linnemann, J. ; Lipaev, V. V. ; Lipton, R. ; Liu, Y. ; Liu, Z. ; Lobodenko, A. ; Lokajicek, M. ; Love, P. ; Lubatti, H. J. ; Luna, R. ; Lyon, A. L. ; Maciel, A. K. A. ; Mackin, D. ; Madaras, R. J. ; Maettig, P. ; Magass, C. ; Magerkurth, A. ; Mal, P. K. ; Malbouisson, H. B. ; Malik, S. ; Malyshev, V. L. ; Maravin, Y. ; Martin, B. ; McCarthy, R. ; Melnitchouk, A. ; Mendoza, L. ; Mercadante, P. G. [UNESP] ; Merkin, M. ; Merritt, K. W. ; Meyer, A. ; Meyer, J. ; Mitrevski, J. ; Mommsen, R. K. ; Mondal, N. K. ; Moore, R. W. ; Moulik, T. ; Muanza, G. S. ; 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. ; Nogima, H. ; Novaes, S. F. [UNESP] ; Nunnemann, T. ; O'Dell, V. ; O'Neil, D. C. ; Obrant, G. ; Ochando, C. ; Onoprienko, D. ; Oshima, N. ; Osman, 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. ; Penning, B. ; Perfilov, M. ; Peters, K. ; Peters, Y. ; Petroff, P. ; Petteni, M. ; Piegaia, R. ; Piper, J. ; Pleier, M. -A. ; Podesta-Lerma, P. L. M. ; Podstavkov, V. M. ; Pogorelov, Y. ; Pol, M. -E. ; Polozov, P. ; Pope, B. G. ; Popov, A. V. ; Potter, C. ; Silva, W. L. Prado da ; Prosper, H. B. ; Protopopescu, S. ; Qian, J. ; Quadt, A. ; Quinn, B. ; Rakitine, A. ; Rangel, M. S. ; Ranjan, K. ; Ratoff, P. N. ; Renkel, P. ; Rich, P. ; Rieger, J. ; Rijssenbeek, M. ; Ripp-Baudot, I. ; Rizatdinova, F. ; Robinson, S. ; Rodrigues, R. F. ; Rominsky, M. ; Royon, C. ; Rubinov, P. ; Ruchti, R. ; Safronov, G. ; Sajot, G. ; Sanchez-Hernandez, A. ; Sanders, M. P. ; Sanghi, B. ; Savage, G. ; Sawyer, L. ; Scanlon, T. ; Schaile, D. ; Schamberger, R. D. ; Scheglov, Y. ; Schellman, H. ; Schliephake, T. ; Schlobohm, S. ; Schwanenberger, C. ; Schwartzman, A. ; Schwienhorst, R. ; Sekaric, J. ; Severini, H. ; Shabalina, E. ; Shamim, M. ; Shary, V. ; Shchukin, A. A. ; Shivpuri, R. K. ; Siccardi, V. ; Simak, V. ; Sirotenko, V. ; Skubic, P. ; Slattery, P. ; Smirnov, D. ; Snow, G. R. ; Snow, J. ; Snyder, S. ; Soeldner-Rembold, S. ; Sonnenschein, L. ; Sopczak, A. ; Sosebee, M. ; Soustruznik, K. ; Spurlock, B. ; Stark, J. ; Steele, J. ; Stolin, V. ; Stoyanova, D. A. ; Strandberg, J. ; Strandberg, S. ; Strang, M. A. ; Strauss, E. ; Strauss, M. ; Stroehmer, R. ; Strom, D. ; Stutte, L. ; Sumowidagdo, S. ; Svoisky, P. ; Sznajder, A. ; Tamburello, P. ; Tanasijczuk, A. ; Taylor, W. ; Tiller, B. ; Tissandier, F. ; Titov, M. ; Tokmenin, V. V. ; Torchiani, I. ; Tsybychev, D. ; Tuchming, B. ; Tully, C. ; Tuts, P. M. ; Unalan, R. ; Uvarov, L. ; Uvarov, S. ; Uzunyan, S. ; Vachon, B. ; van den Berg, P. J. ; Van Kooten, R. ; van Leeuwen, W. M. ; Varelas, N. ; Varnes, E. W. ; Vasilyev, I. A. ; Verdier, P. ; Vertogradov, L. S. ; Verzocchi, M. ; Vilanova, D. ; Villeneuve-Seguier, F. ; Vint, P. ; Vokac, P. ; Voutilainen, M. ; Wagner, R. ; Wahl, H. D. ; Wang, M. H. L. S. ; Warchol, J. ; Watts, G. ; Wayne, M. ; Weber, G. ; Weber, M. ; Welty-Rieger, L. ; Wenger, A. ; Wermes, N. ; Wetstein, M. ; White, A. ; Wicke, D. ; Williams, M. ; Wilson, G. W. ; Wimpenny, S. J. ; Wobisch, M. ; Wood, D. R. ; Wyatt, T. R. ; Xie, Y. ; Yacoob, S. ; Yamada, R. ; Yang, W. -C. ; Yasuda, T. ; Yatsunenko, Y. A. ; Yin, H. ; Yip, K. ; Yoo, H. D. ; Youn, S. W. ; Yu, J. ; Zeitnitz, C. ; Zelitch, S. ; Zhao, T. ; Zhou, B. ; Zhu, J. ; Zielinski, M. ; Zieminska, D. ; Zieminski, A. ; Zivkovic, L. ; Zutshi, V. ; Zverev, E. G. ; D0 Collaboration

Date: 2020

Persistent ID: http://hdl.handle.net/11449/195919

Origin: Oasisbr


Description

Made available in DSpace on 2020-12-10T18:09:43Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-09-12

DOE

NSF (USA)

CEA

CNRS/IN2P3 (France)

FASI

Rosatom and RFBR (Russia)

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Fundação para o Desenvolvimento da UNESP (FUNDUNESP)

DAE

DST (India)

Colciencias (Colombia)

CONACyT (Mexico)

KRF

KOSEF (Korea)

CONICET

UBACyT (Argentina)

FOM (The Netherlands)

STFC (United Kingdom)

MSMT

GACR (Czech Republic)

CRC Program

CFI

NSERC

WestGrid Project (Canada)

BMBF

DFG (Germany)

SFI (Ireland)

The Swedish Research Council (Sweden)

CAS

CNSF (China)

Alexander von Humboldt Foundation (Germany)

Science and Technology Facilities Council

In this Letter we report on a search for long-lived particles that decay into final states with two electrons or photons. Such long-lived particles arise in a variety of theoretical models, such as hidden valleys and supersymmetry with gauge-mediated breaking. By precisely reconstructing the direction of the electromagnetic shower we are able to probe much longer lifetimes than previously explored. We see no evidence of the existence of such long-lived particles and interpret this search as a quasi model-independent limit on their production cross section, as well as a limit on a long-lived fourth generation quark.

Joint Inst Nucl Res, Dubna, Russia

Univ Buenos Aires, Buenos Aires, DF, Argentina

Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil

Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil

Univ Fed ABC, Santo Andre, Brazil

Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil

Univ Alberta, Edmonton, AB, Canada

Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada

York Univ, Toronto, ON M3J 2R7, Canada

McGill Univ, Montreal, PQ, Canada

Univ Sci & Technol China, Hefei 230026, Peoples R China

Univ Los Andes, Bogota, Colombia

Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic

Czech Tech Univ, CR-16635 Prague, Czech Republic

Acad Sci Czech Republ, Inst Phys, Ctr Particle Phys, Prague, Czech Republic

Univ San Francisco Quito, Quito, Ecuador

Univ Blaise Pascal, LPC, CNRS, IN2P3, Clermont Ferrand, France

Univ Grenoble 1, LPSC, CNRS IN2P3, Inst Natl Polytech Grenoble, F-38041 Grenoble, France

Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France

Univ Paris 11, CNRS, LAL, IN2P3, F-91405 Orsay, France

Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France

Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France

CEA Saclay, SPP, Irfu, DAPNIA, Saclay, France

Univ Strasbourg, IPHC, CNRS, IN2P3, Strasbourg, France

Univ Lyon 1, CNRS, IN2P3, IPNL, F-69622 Villeurbanne, France

Univ Lyon, Lyon, France

Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany

Univ Bonn, Inst Phys, D-5300 Bonn, Germany

Univ Freiburg, Inst Phys, Freiburg, Germany

Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany

Univ Munich, Munich, Germany

Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany

Panjab Univ, Chandigarh 160014, India

Univ Delhi, Delhi 110007, India

Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India

Univ Coll Dublin, Dublin 2, Ireland

Korea Univ, Korea Detector Lab, Seoul, South Korea

Sungkyunkwan Univ, Suwon, South Korea

CINVESTAV, Mexico City 14000, DF, Mexico

FOM Inst NIKHEF, Amsterdam, Netherlands

Univ Amsterdam, NIKHEF, Amsterdam, Netherlands

Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands

Inst Theoret & Expt Phys, Moscow 117259, Russia

Moscow MV Lomonosov State Univ, Moscow, Russia

Inst High Energy Phys, Protvino, Russia

Petersburg Nucl Phys Inst, St Petersburg, Russia

Lund Univ, Lund, Sweden

Royal Inst Technol, Stockholm, Sweden

Stockholm Univ, S-10691 Stockholm, Sweden

Uppsala Univ, Uppsala, Sweden

Univ Lancaster, Lancaster, England

Univ London Imperial Coll Sci Technol & Med, London, England

Univ Manchester, Manchester, England

Univ Arizona, Tucson, AZ 85721 USA

Lawrence Berkeley Lab, Berkeley, CA 94720 USA

Univ Calif Berkeley, Berkeley, CA 94720 USA

Calif State Univ Fresno, Fresno, CA 93740 USA

Univ Calif Riverside, Riverside, CA 92521 USA

Florida State Univ, Tallahassee, FL 32306 USA

Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

Univ Illinois, Chicago, IL 60607 USA

No Illinois Univ, De Kalb, IL 60115 USA

Northwestern Univ, Evanston, IL 60208 USA

Indiana Univ, Bloomington, IN 47405 USA

Univ Notre Dame, Notre Dame, IN 46556 USA

Purdue Univ Calumet, Hammond, IN 46323 USA

Iowa State Univ, Ames, IA 50011 USA

Univ Kansas, Lawrence, KS 66045 USA

Kansas State Univ, Manhattan, KS 66506 USA

Louisiana Tech Univ, Ruston, LA 71272 USA

Univ Maryland, College Pk, MD 20742 USA

Boston Univ, Boston, MA 02215 USA

Northeastern Univ, Boston, MA 02115 USA

Univ Michigan, Ann Arbor, MI 48109 USA

Michigan State Univ, E Lansing, MI 48824 USA

Univ Mississippi, University, MS 38677 USA

Univ Nebraska, Lincoln, NE 68588 USA

Princeton Univ, Princeton, NJ 08544 USA

SUNY Buffalo, Buffalo, NY 14260 USA

Columbia Univ, New York, NY 10027 USA

Univ Rochester, Rochester, NY 14627 USA

SUNY Stony Brook, Stony Brook, NY 11794 USA

Brookhaven Natl Lab, Upton, NY 11973 USA

Langston Univ, Langston, OK 73050 USA

Univ Oklahoma, Norman, OK 73019 USA

Oklahoma State Univ, Stillwater, OK 74078 USA

Brown Univ, Providence, RI 02912 USA

Univ Texas Arlington, Arlington, TX 76019 USA

So Methodist Univ, Dallas, TX 75275 USA

Rice Univ, Houston, TX 77005 USA

Univ Virginia, Charlottesville, VA 22901 USA

Univ Washington, Seattle, WA 98195 USA

Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil

Science and Technology Facilities Council: ST/F007418/1

Science and Technology Facilities Council: PP/D004284/1

Science and Technology Facilities Council: PP/E000487/1

Science and Technology Facilities Council: ST/H001166/1

Science and Technology Facilities Council: ST/F00754X/1

Document Type Journal article
Language English
facebook logo  linkedin logo  twitter logo 
mendeley logo

Related documents

No related documents