Search for Pair Production of Scalar Top Quarks in R-Parity Violating Decay Modes in pp̄ Collisions at √s = 1.8 TeV

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doi:10.1103/PhysRevLett.92.051803

We present the results of a search for pair production of scalar top quarks ((t) over tilde (1)) in an R-parity violating supersymmetry scenario in 106 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the Collider Detector at Fermilab. In this mode each (t) over tilde (1) decays into a tau lepton and a b quark. We search for events with two tau's, one decaying leptonically (e or mu) and one decaying hadronically, and two jets. No candidate events pass our final selection criteria. We set a 95% confidence level lower limit on the (t) over tilde (1) mass at 122 GeV/c(2) for Br((t) over tilde (1)-->taub)=1. RI Lancaster, Mark/C-1693-2008; Vucinic, Dejan/C-2406-2008; Nomerotski, Andrei/A-5169-2010; Ruiz, Alberto/E-4473-2011; De Cecco, Sandro/B-1016-2012; Wolter, Marcin/A-7412-2012; St.Denis, Richard/C-8997-2012; Prokoshin, Fedor/E-2795-2012; Chiarelli, Giorgio/E-8953-2012; Azzi, Patrizia/H-5404-2012

Digital Object Identifier (DOI):	http://dx.doi.org/10.1103/PhysRevLett.92.051803
Codice identificativo ISI:	WOS:000188785200011
Codice identificativo Scopus:	2-s2.0-4344697805
Handle:	http://hdl.handle.net/11695/4058
Abstract:	We present the results of a search for pair production of scalar top quarks ((t) over tilde (1)) in an R-parity violating supersymmetry scenario in 106 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the Collider Detector at Fermilab. In this mode each (t) over tilde (1) decays into a tau lepton and a b quark. We search for events with two tau's, one decaying leptonically (e or mu) and one decaying hadronically, and two jets. No candidate events pass our final selection criteria. We set a 95% confidence level lower limit on the (t) over tilde (1) mass at 122 GeV/c(2) for Br((t) over tilde (1)-->taub)=1. RI Lancaster, Mark/C-1693-2008; Vucinic, Dejan/C-2406-2008; Nomerotski, Andrei/A-5169-2010; Ruiz, Alberto/E-4473-2011; De Cecco, Sandro/B-1016-2012; Wolter, Marcin/A-7412-2012; St.Denis, Richard/C-8997-2012; Prokoshin, Fedor/E-2795-2012; Chiarelli, Giorgio/E-8953-2012; Azzi, Patrizia/H-5404-2012
Titolo:	Search for Pair Production of Scalar Top Quarks in R-Parity Violating Decay Modes in pp̄ Collisions at √s = 1.8 TeV
Autori:	Acosta D Affolder T Akimoto H Albrow MG Ambrose D Amidei D Anikeev K Antos J Apollinari G Arisawa T Artikov A Asakawa T Ashmanskas W Azfar F Azzi Bacchetta P Bacchetta N Bachacou H Badgett W Bailey S de Barbaro P Barbaro Galtieri A Barnes VE Barnett BA Baroiant S Barone M Bauer G Bedeschi F Behari S Belforte S Bell WH Bellettini G Bellinger J Benjamin D Bensinger J Beretvas A Berryhill J Bhatti A Binkley M Bisello D Bishai M Blair RE Blocker C Bloom K Blumenfeld B Blusk SR Bocci A Bodek A Bolla G Bolshov A Bonushkin Y Bortoletto D Boudreau J Brandl A Bromberg C Brozovic M Brubaker E Bruner N Budagov J Budd HS Burkett K Busetto G Byrum KL Cabrera S Calafiura P Campbell M Carithers W Carlson J Carlsmith D Caskey W Castro A Cauz D Cerri A Cerrito L Chan AW Chang PS Chang PT Chapman J Chen C Chen YC Cheng MT Chertok M Chiarelli G Chirikov Zorin I Chlachidze G Chlebana F Christofek L Chu ML Chung JY Chung WH Chung YS Ciobanu CI Clark AG Coca M Colijn AP Connolly A Convery M Conway J Cordelli M Cranshaw J Culbertson R Dagenhart D D'Auria S De Cecco S DeJongh F Dell'Agnello S Dell'Orso M Demers S Demortier L Deninno M De Pedis D Derwent PF Devlin T Dionisi C Dittmann JR Dominguez A Donati S D'Onofrio M Dorigo T Eddy N Einsweiler K Engels E Erbacher R Errede D Errede S Eusebi R Fan Q Farrington S Feild RG Fernandez JP Ferretti C Field RD Fiori I Flaugher B Flores Castillo LR Foster GW Franklin M Freeman J Friedman J Fukui Y Furic I Galeotti S Gallas A Gallinaro M Gao T Garcia Sciveres M Garfinkel AF Gatti P Gay C Gerdes DW Gerstein E Giagu S Giannetti P Giolo K Giordani M Giromini P Glagolev V Glenzinski D Gold M Goldschmidt N Goldstein J Gomez G Goncharov M Gorelov I Goshaw AT Gotra Y Goulianos K Green C Gresele A Grim G Grosso Pilcher C Guenther M Guillian G da Costa JG Haas RM Haber C Hahn SR Halkiadakis E Hall C Handa T Handler R Happacher F Hara K Hardman AD Harris RM Hartmann F Hatakeyama K Hauser J Heinrich J Heiss A Hennecke M Herndon M Hill C Hocker A Hoffman KD Hollebeek R Holloway L Hou S Huffman BT Hughes R Huston J Huth J Ikeda H Issever C Incandela J Introzzi G Iori M Ivanov A Iwai J Iwata Y Iyutin B James E Jones M Joshi U Kambara H Kamon T Kaneko T Kang J Unel MK Karr K Kartal S Kasha H Kato Y Keaffaber TA Kelley K Kelly M Kennedy RD Kephart R Khazins D Kikuchi T Kilminster B Kim BJ Kim DH Kim HS Kim MJ Kim SB Kim SH Kim TH Kim YK Kirby M Kirk M Kirsch L Klimenko S Koehn P Kondo K Konigsberg J Korn A Korytov A Kotelnikov K Kovacs E Kroll J Kruse M Krutelyov V Kuhlmann SE Kurino K Kuwabara T Kuznetsova N Laasanen AT Lai N Lami S Lammel S Lancaster J Lannon K Lancaster M Lander R Lath A Latino G LeCompte T Le Y Lee J Lee SW Leonardo N Leone S Lewis JD Li K Lin CS Lindgren M Liss TM Liu JB Liu T Liu YC Litvintsev DO Lobban O Lockyer NS Loginov A Loken J Loreti M Lucchesi D Lukens P Lusin S Lyons L Lys J Madrak R Maeshima K Maksimovic P Malferrari L Mangano M Manca G Mariotti M Martignon G Martin M Martin A Martin V Martinez M Matthews JAJ Mazzanti P McFarland KS McIntyre P Menguzzato M Menzione A Merkel P Mesropian C Meyer A Miao T Miller R Miller JS Minato H Miscetti S Mishina M Mitselmakher G Miyazaki Y Moggi N Moore E Moore R Morita Y Moulik T Mulhearn M Mukherjee A Muller T Munar A Murat P Murgia S Nachtman J Nagaslaev V Nahn S Nakada H Nakano I Napora R Niell F Nelson C Nelson T Neu C Neubauer MS Neuberger D Newman Holmes C Ngan CYP Nigmanov T Niu H Nodulman L Nomerotski A Oh SH Oh YD Ohmoto T Ohsugi T Oishi R Okusawa T Olsen J Orejudos W Pagliarone C Palmonari F Paoletti R Papadimitriou V Partos D Patrick J Pauletta G Paulini M Pauly T Paus C Pellett D Penzo A Pescara L Phillips TJ PIACENTINO, Giovanni Maria Piedra J Pitts KT Pompos A Pondrom L Pope G Pratt T Prokoshin F Proudfoot J Ptohos F Pukhov O Punzi G Rademacker J Rakitine A Ratnikov F Ray H Reher D Reichold A Renton P Rescigno M Ribon A Riegler W Rimondi F Ristori L Riveline M Robertson WJ Rodrigo T Rolli S Rosenson L Roser R Rossin R Rott C Roy A Ruiz A Ryan D Safonov A St Denis R Sakumoto WK Saltzberg D Sanchez C Sansoni A Santi L Sarkar S Sato H Savard P Savoy Navarro A Schlabach P Schmidt EE Schmidt MP Schmitt M Scodellaro L Scott A Scribano A Sedov A Seidel S Seiya Y Semenov A Semeria F Shah T Shapiro MD Shepard PF Shibayama T Shimojima M Shochet M Sidoti A Siegrist J Sill A Sinervo P Singh P Slaughter AJ Sliwa K Snider FD Snihur R Solodsky A Spalding J Speer T Spezziga M Sphicas P Spinella F Spiropulu M Spiegel L Steele J Stefanini A Strologas J Strumia F Stuart D Sukhanov A Sumorok K Suzuki T Takano T Takashima R Takikawa K Tamburello P Tanaka M Tannenbaum B Tecchio M Tesarek RJ Teng PK Terashi K Tether S Thom J Thompson AS Thomson E Thurman Keup R Tipton P Tkaczyk S Toback D Tollefson K Tonelli D Tonnesmann M Toyoda H Trischuk W de Troconiz JF Tseng J Tsybychev D Turini N Ukegawa F Unverhau T Vaiciulis T Valls J Varganov A Vataga E Vejcik S Velev G Veramendi G Vidal R Vila I Vilar R Volobouev I von der Mey M Vucinic D Wagner RG Wagner RL Wagner W Wallace NB Wan Z Wang C Wang MJ Wang SM Ward B Waschke S Watanabe T Waters D Watts T Weber M Wenzel H Wester WC Whitehouse B Wicklund AB Wicklund E Wilkes T Williams HH Wilson P Winer BL Winn D Wolbers S Wolinski D Wolinski J Wolinski S Wolter M Worm S Wu X Wurthwein F Wyss J Yang UK Yao W Yeh GP Yeh P Yi K Yoh J Yosef C Yoshida T Yu I Yu S Yu Z Yun JC Zanello L Zanetti A Zetti F Zucchelli S. mostra contributor esterni nascondi contributor esterni
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