Search for anomalous production of multilepton events in pp collisions at sqrt s=1.96 TeV.
作者信息
Abulencia A, Adelman J, Affolder T, Akimoto T, Albrow M G, Ambrose D, Amerio S, Amidei D, Anastassov A, Anikeev K, Annovi A, Antos J, Aoki M, Apollinari G, Arguin J-F, Arisawa T, Artikov A, Ashmanskas W, Attal A, Azfar F, Azzi-Bacchetta P, Azzurri P, Bacchetta N, Badgett W, Barbaro-Galtieri A, Barnes V E, Barnett B A, Baroiant S, Bartsch V, Bauer G, Bedeschi F, Behari S, Belforte S, Bellettini G, Bellinger J, Belloni A, Benjamin D, Beretvas A, Beringer J, Berry T, Bhatti A, Binkley M, Bisello D, Blair R E, Blocker C, Blumenfeld B, Bocci A, Bodek A, Boisvert V, Bolla G, Bolshov A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Bromberg C, Brubaker E, Budagov J, Budd H S, Budd S, Budroni S, Burkett K, Busetto G, Bussey P, Byrum K L, Cabrera S, Campanelli M, Campbell M, Canelli F, Canepa A, Carillo S, Carlsmith D, Carosi R, Casarsa M, Castro A, Catastini P, Cauz D, Cavalli-Sforza M, Cerri A, Cerrito L, Chang S H, Chen Y C, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho I, Cho K, Chokheli D, Chou J P, Choudalakis G, Chuang S H, Chung K, Chung W H, Chung Y S, Ciljak M, Ciobanu C I, Ciocci M A, Clark A, Clark D, Coca M, Compostella G, Convery M E, Conway J, Cooper B, Copic K, Cordelli M, Cortiana G, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Cully J C, Cyr D, DaRonco S, Datta M, D'Auria S, Davies T, D'Onofrio M, Dagenhart D, de Barbaro P, De Cecco S, Deisher A, De Lentdecker G, Dell'Orso M, Delli Paoli F, Demortier L, Deng J, Deninno M, De Pedis D, Derwent P F, Di Giovanni G P, Dionisi C, Di Ruzza B, Dittmann J R, DiTuro P, Dörr C, Donati S, Donega M, Dong P, Donini J, Dorigo T, Dube S, Efron J, Erbacher R, Errede D, Errede S, Eusebi R, Fang H C, Farrington S, Fedorko I, Fedorko W T, Feild R G, Feindt M, Fernandez J P, Field R, Flanagan G, Foland A, Forrester S, Foster G W, Franklin M, Freeman J C, Furic I, Gallinaro M, Galyardt J, Garcia J E, Garberson F, Garfinkel A F, Gay C, Gerberich H, Gerdes D, Giagu S, Giannetti P, Gibson A, Gibson K, Gimmell J L, Ginsburg C, Giokaris N, Giordani M, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldschmidt N, Goldstein J, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw A T, Goulianos K, Gresele A, Griffiths M, Grinstein S, Grosso-Pilcher C, Grundler U, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn K, Hahn S R, Halkiadakis E, Hamilton A, Han B-Y, Han J Y, Handler R, Happacher F, Hara K, Hare M, Harper S, Harr R F, Harris R M, Hartz M, Hatakeyama K, Hauser J, Heijboer A, Heinemann B, Heinrich J, Henderson C, Herndon M, Heuser J, Hidas D, Hill C S, Hirschbuehl D, Hocker A, Holloway A, Hou S, Houlden M, Hsu S-C, Huffman B T, Hughes R E, Husemann U, Huston J, Incandela J, Introzzi G, Iori M, Ishizawa Y, Ivanov A, Iyutin B, James E, Jang D, Jayatilaka B, Jeans D, Jensen H, Jeon E J, Jindariani S, Jones M, Joo K K, Jun S Y, Jung J E, Junk T R, Kamon T, Karchin P E, Kato Y, Kemp Y, Kephart R, Kerzel U, 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, Kimura N, Kirsch L, Klimenko S, Klute M, Knuteson B, Ko B R, Kondo K, Kong D J, Konigsberg J, Korytov A, Kotwal A V, Kovalev A, Kraan A C, Kraus J, Kravchenko I, Kreps M, Kroll J, Krumnack N, Kruse M, Krutelyov V, Kubo T, Kuhlmann S E, Kuhr T, Kusakabe Y, Kwang S, Laasanen A T, Lai S, Lami S, Lammel S, Lancaster M, Lander R L, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee J, Lee J, Lee Y J, Lee S W, Lefèvre R, Leonardo N, Leone S, Levy S, Lewis J D, Lin C, Lin C S, Lindgren M, Lipeles E, Lister A, Litvintsev D O, Liu T, Lockyer N S, Loginov A, Loreti M, Loverre P, Lu R-S, Lucchesi D, Lujan P, Lukens P, Lungu G, Lyons L, Lys J, Lysak R, Lytken E, Mack P, MacQueen D, Madrak R, Maeshima K, Makhoul K, Maki T, Maksimovic P, Malde S, Manca G, Margaroli F, Marginean R, Marino C, Marino C P, Martin A, Martin M, Martin V, Martínez M, Maruyama T, Mastrandrea P, Masubuchi T, Matsunaga H, Mattson M E, Mazini R, Mazzanti P, McFarland K S, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzemer S, Menzione A, Merkel P, Mesropian C, Messina A, Miao T, Miladinovic N, Miles J, Miller R, Mills C, Milnik M, Mitra A, Mitselmakher G, Miyamoto A, Moed S, Moggi N, Mohr B, Moore R, Morello M, Movilla Fernandez P, Mülmenstädt J, Mukherjee A, Muller Th, Mumford R, Murat P, Nachtman J, Nagano A, Naganoma J, Nakano I, Napier A, Necula V, Neu C, Neubauer M S, Nielsen J, Nigmanov T, Nodulman L, Norniella O, Nurse E, Oh S H, Oh Y D, Oksuzian I, Okusawa T, Oldeman R, Orava R, Osterberg K, Pagliarone C, Palencia E, Papadimitriou V, Paramonov A A, Parks B, Pashapour S, Patrick J, Pauletta G, Paulini M, Paus C, Pellett D E, Penzo A, Phillips T J, Piacentino G, Piedra J, Pinera L, Pitts K, Plager C, Pondrom L, Portell X, Poukhov O, Pounder N, Prakoshyn F, Pronko A, Proudfoot J, Ptohos F, Punzi G, Pursley J, Rademacker J, Rahaman A, Ranjan N, Rappoccio S, Reisert B, Rekovic V, Renton P, Rescigno M, Richter S, Rimondi F, Ristori L, Robson A, Rodrigo T, Rogers E, Rolli S, Roser R, Rossi M, Rossin R, Ruiz A, Russ J, Rusu V, Saarikko H, Sabik S, Safonov A, Sakumoto W K, Salamanna G, Saltó O, Saltzberg D, Sánchez C, Santi L, Sarkar S, Sartori L, Sato K, Savard P, Savoy-Navarro A, Scheidle T, Schlabach P, Schmidt E E, Schmidt M P, Schmitt M, Schwarz T, Scodellaro L, Scott A L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sexton-Kennedy L, Sfyrla A, Shapiro M D, Shears T, Shepard P F, Sherman D, Shimojima M, Shochet M, Shon Y, Shreyber I, Sidoti A, Sinervo P, Sisakyan A, Sjolin J, Slaughter A J, Slaunwhite J, Sliwa K, Smith J R, Snider F D, Snihur R, Soderberg M, Soha A, Somalwar S, Sorin V, Spalding J, Spinella F, Spreitzer T, Squillacioti P, Stanitzki M, Staveris-Polykalas A, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Stuart D, Suh J S, Sukhanov A, Sun H, Suzuki T, Taffard A, Takashima R, Takeuchi Y, Takikawa K, Tanaka M, Tanaka R, Tecchio M, Teng P K, Terashi K, Thom J, Thompson A S, Thomson E, Tipton P, Tiwari V, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Tourneur S, Trischuk W, Tsuchiya R, Tsuno S, Turini N, Ukegawa F, Unverhau T, Uozumi S, Usynin D, Vallecorsa S, van Remortel N, Varganov A, Vataga E, Vázquez F, Velev G, Veramendi G, Veszpremi V, Vidal R, Vila I, Vilar R, Vine T, Vollrath I, Volobouev I, Volpi G, Würthwein F, Wagner P, Wagner R G, Wagner R L, Wagner J, Wagner W, Wallny R, Wang S M, Warburton A, Waschke S, Waters D, Weinberger M, Wester Iii W C, Whitehouse B, Whiteson D, Wicklund A B, Wicklund E, Williams G, Williams H H, Wilson P, Winer B L, Wittich P, Wolbers S, Wolfe C, Wright T, Wu X, Wynne S M, Yagil A, Yamamoto K, Yamaoka J, Yamashita T, Yang C, Yang U K, Yang Y C, Yao W M, Yeh G P, Yoh J, Yorita K, Yoshida T, Yu G B, Yu I, Yu S S, Yun J C, Zanello L, Zanetti A, Zaw I, Zhang X, Zhou J, Zucchelli S
机构信息
University of Illinois, Urbana, Illinois 61801, USA.
出版信息
Phys Rev Lett. 2007 Mar 30;98(13):131804. doi: 10.1103/PhysRevLett.98.131804.
We report a search for the anomalous production of events with multiple charged leptons in pp[over] collisions at sqrt[s]=1.96 TeV using a data sample corresponding to an integrated luminosity of 346 pb(-1) collected by the CDF II detector at the Fermilab Tevatron. The search is divided into three-lepton and four-or-more-lepton data samples. We observe six events in the three-lepton sample and zero events in the > or =4-lepton sample. Both numbers of events are consistent with standard model background expectations. Within the framework of an R-parity-violating supergravity model, the results are interpreted as mass limits on the lightest neutralino (chiover(0)) and chargino (chiover particles. For one particular choice of model parameters, the limits are M(chiover(0)>110 GeV/c2 and M(chiover>203 GeV/c2 at 95% confidence level; the variation of these mass limits with model parameters is presented.
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