在质心能量\(\sqrt{s}=1.96\) TeV的质子-质子碰撞中测量顶夸克对产生截面。
Measurement of the tt production cross section in pp collisions at square root of s = 1.96 TeV.
作者信息
Abulencia A, Acosta D, 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, Bachacou H, 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, Ben Haim E, 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, Bromberg C, Brubaker E, Budagov J, Budd H S, Budd S, Burkett K, Busetto G, Bussey P, Byrum K L, Cabrera S, Campanelli M, Campbell M, Canelli F, Canepa A, Carlsmith D, Carosi R, Carron S, Casarsa M, Castro A, Catastini P, Cauz D, Cavalli-Sforza M, Cerri A, Cerrito L, Chang S H, Chapman J, Chen Y C, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho I, Cho K, Chokheli D, Chou J P, Chu P H, 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, Cresciolo F, Cruz A, Cuenca Almenar C, Cuevas J, Culbertson R, Cyr D, DaRonco S, D'Auria S, D'Onofrio M, Dagenhart D, de Barbaro P, De Cecco S, Deisher A, De Lentdecker G, Dell'Orso M, Delli Paoli F, Demers S, Demortier L, Deng J, Deninno M, De Pedis D, Derwent P F, Dionisi C, Dittmann J R, DiTuro P, Dörr C, Donati S, Donega M, Dong P, Donini J, Dorigo T, Dube S, Ebina K, Efron J, Ehlers 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, Flores-Castillo L R, Foland A, Forrester S, Foster G W, Franklin M, Freeman J C, Furic I, Gallinaro M, Galyardt J, Garcia J E, Garcia Sciveres M, Garfinkel A F, Gay C, Gerberich H, Gerdes D, Giagu S, Giannetti P, Gibson A, Gibson K, Ginsburg C, Giokaris N, Giolo K, Giordani M, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldschmidt N, Goldstein J, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw A T, Gotra Y, Goulianos K, Gresele A, Griffiths M, Grinstein S, Grosso-Pilcher C, Grundler U, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn S R, Hahn K, 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, Hatakeyama K, Hauser J, Hays C, Heijboer A, Heinemann B, Heinrich J, Herndon M, Hidas D, Hill C S, Hirschbuehl D, Hocker A, Holloway A, Hou S, Houlden M, Hsu S-C, Huffman B T, Hughes R E, 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, Junk T R, Kamon T, Kang J, 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, Kirsch L, Klimenko S, Klute M, Knuteson B, Ko B R, Kobayashi H, Kondo K, Kong D J, Konigsberg J, Korytov A, Kotwal A V, Kovalev A, Kraan A, Kraus J, Kravchenko I, Kreps M, Kroll J, Krumnack N, Kruse M, Krutelyov V, Kuhlmann S E, 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, Liss T M, 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, Maki T, Maksimovic P, Malde S, Manca G, Margaroli F, Marginean R, Marino C, Martin A, Martin V, Martínez M, Maruyama T, Mastrandrea P, Matsunaga H, Mattson M E, Mazini R, Mazzanti P, McFarland K S, McFarlane M, McIntyre P, McNulty R, Mehta A, Menzemer S, Menzione A, Merkel P, Mesropian C, Messina A, von der Mey M, Miao T, Miladinovic N, Miles J, Miller R, Miller J S, Mills C, Milnik M, Miquel R, Mitra A, Mitselmakher G, Miyamoto A, Moggi N, Mohr B, Moore R, Morello M, Movilla Fernandez P, Mülmenstädt J, Mukherjee A, Muller Th, Mumford R, Murat P, Nachtman J, Naganoma J, Nahn S, Nakano I, Napier A, Naumov D, Necula V, Neu C, Neubauer M S, Nielsen J, Nigmanov T, Nodulman L, Norniella O, Nurse E, Ogawa T, Oh S H, Oh Y D, Okusawa T, Oldeman R, Orava R, Osterberg K, Pagliarone C, Palencia E, Paoletti R, 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, Rakitin A, Rappoccio S, Ratnikov F, Reisert B, Rekovic V, van Remortel N, Renton P, Rescigno M, Richter S, Rimondi F, Ristori L, Robertson W J, Robson A, Rodrigo T, Rogers E, Rolli S, Roser R, Rossi M, Rossin R, Rott C, Ruiz A, Russ J, Rusu V, Saarikko H, Sabik S, Safonov A, Sakumoto W K, Salamanna G, Saltó O, Saltzberg D, Sanchez 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, Sfiligoi I, 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, Skiba A, Slaughter A J, Sliwa K, Smith J R, Snider F D, Snihur R, Soderberg M, Soha A, Somalwar S, Sorin V, Spalding J, Spezziga M, 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, Sumorok K, Sun H, Suzuki T, Taffard A, Takashima R, Takeuchi Y, Takikawa K, Tanaka M, Tanaka R, Tanimoto N, Tecchio M, Teng P K, Terashi K, Tether S, Thom J, Thompson A S, Thomson E, Tipton P, Tiwari V, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Tönnesmann M, Torre S, Torretta D, Tourneur S, Trischuk W, Tsuchiya R, Tsuno S, Turini N, Ukegawa F, Unverhau T, Uozumi S, Usynin D, Vaiciulis A, Vallecorsa S, Varganov A, Vataga E, 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 W, Wallny R, Walter T, Wan Z, Wang S M, Warburton A, Waschke S, Waters D, Wester 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, Zetti F, Zhang X, Zhou J, Zucchelli S
机构信息
University of Illinois, Urbana, Illinois 61801, USA.
出版信息
Phys Rev Lett. 2006 Aug 25;97(8):082004. doi: 10.1103/PhysRevLett.97.082004.
We present a measurement of the top quark pair production cross section in pp collisions at square root of s = 1.96 TeV using 318 pb(-1) of data collected with the Collider Detector at Fermilab. We select tt[over ] decays into the final states enu+jets and mu nu+ jets, in which at least one b quark from the t-quark decays is identified using a secondary vertex-finding algorithm. Assuming a top quark mass of 178 GeV/c2, we measure a cross section of 8.7 +/- 0.9(stat)(-0.9)+1.1(syst) pb. We also report the first observation of tt[over ] with significance greater than 5sigma in the subsample in which both b quarks are identified, corresponding to a cross section of 10.1(-1.4)+1.6(stat)(-1.3)+2.0(syst) pb.
我们使用费米实验室对撞机探测器收集的318 pb⁻¹数据，给出了在√s = 1.96 TeV的质子-质子碰撞中顶夸克对产生截面的测量结果。我们选择tt⁻衰变到enu + 喷注和μν + 喷注的末态，其中来自t夸克衰变的至少一个b夸克使用二次顶点寻找算法来识别。假设顶夸克质量为178 GeV/c²，我们测量的截面为8.7 ± 0.9(统计)(-0.9)+1.1(系统) pb。我们还报告了在两个b夸克都被识别的子样本中首次观测到显著性大于5σ的tt⁻，对应的截面为10.1(-1.4)+1.6(统计)(-1.3)+2.0(系统) pb。
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