质心能量平方根√s = 1.8 TeV时的带电粒子多重数质子-质子碰撞
Charged-particle multiplicity pp collisions at square root of (s) = 1.8 TeV.
作者信息
Affolder T, Akimoto H, Akopian A, Albrow M G, Amaral P, 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, Bailey S, de Barbaro P, Barbaro-Galtieri A, Barnes V E, Barnett B A, Baroiant S, Barone M, Bauer G, Bedeschi F, Belforte S, Bell W H, Bellettini G, Bellinger J, Benjamin D, Bensinger J, Beretvas A, Berge J P, Berryhill J, Bhatti A, Binkley M, Bisello D, Bishai M, Blair R E, Blocker C, Bloom K, Blumenfeld B, Blusk S R, Bocci A, Bodek A, Bokhari W, Bolla G, Bonushkin Y, Bortoletto D, Boudreau J, Brandl A, van Brink S, Bromberg C, Brozovic M, Brubaker E, Bruner N, Buckley-Geer E, Budagov J, Budd H S, Burkett K, Busetto G, Byon-Wagner A, Byrum K L, Cabrera S, Calafiura P, Campbell M, Carithers W, Carlson J, Carlsmith D, Caskey W, Castro A, Cauz D, Cerri A, Chan A W, Chang P S, Chang P T, Chapman J, Chen C, Chen Y C, Cheng M T, Chertok M, Chiarelli G, Chirikov-Zorin I, Chlachidze G, Chlebana F, Christofek L, Chu M L, Chung Y S, Ciobanu C I, Clark A G, Connolly A, Conway J, Cordelli M, Cranshaw J, Cropp R, Culbertson R, Dagenhart D, D'Auria S, DeJongh F, Dell'Agnello S, Dell'Orso M, Demortier L, Deninno M, Derwent P F, Devlin T, Dittmann J R, Dominguez A, Donati S, Done J, D'Onofrio M, Dorigo T, Eddy N, Einsweiler K, Elias J E, Engels E, Erbacher R, Errede D, Errede S, Fan Q, Feild R G, Fernandez J P, Ferretti C, Field R D, Fiori I, Flaugher B, Foster G W, Franklin M, Freeman J, Friedman J, Fukui Y, Furic I, Galeotti S, Gallas A, Gallinaro M, Gao T, Garcia-Sciveres M, Garfinkel A F, Gatti P, Gay C, Gerdes D W, Giannetti P, Giromini P, Glagolev V, Glenzinski D, Gold M, Goldstein J, Gorelov I, Goshaw A T, Gotra Y, Goulianos K, Green C, Grim G, Gris P, Groer L, Grosso-Pilcher C, Guenther M, Guillian G, Guimaraes De Costa J, Haas R M, Haber C, Hahn S R, Hall C, Handa T, Handler R, Hao W, Happacher F, Hara K, Hardman A D, Harris R M, Hartmann F, Hatakeyama K, Hauser J, Heinrich J, Heiss A, Herndon M, Hill C, Hoffman K D, Holck C, Hollebeek R, Holloway L, Hughes R, Huston J, Huth J, Ikeda H, Incandela J, Introzzi G, Iwai J, Iwata Y, James E, Jones M, Joshi U, Kambara H, Kamon T, Kaneko T, Karr K, Kasha H, Kato Y, Keaffaber T A, Kelley K, Kelly M, Kennedy R D, Kephart R, Khazins D, Kikuchi T, Kilminster B, Kim B J, Kim D H, Kim H S, Kim M J, Kim S B, Kim S H, Kim Y K, Kirby M, Kirk M, Kirsch L, Klimenko S, Koehn P, Kondo K, Konigsberg J, Korn A, Korytov A, Kovacs E, Kroll J, Kruse M, Kuhlmann S E, Kurino K, Kuwabara T, Laasanen A T, Lai N, Lami S, Lammel S, Lancaster J, Lancaster M, Lander R, Lath A, Latino G, LeCompte T, Lee A M, Lee K, Leone S, Lewis J D, Lindgren M, Liss T M, Liu J B, Liu Y C, Litvintsev D O, Lobban O, Lockyer N, Loken J, Loreti M, Lucchesi D, Lukens P, Lusin S, Lyons L, Lys J, Madrak R, Maeshima K, Maksimovic P, Malferrari L, Mangano M, Mariotti M, Martignon G, Martin A, Matthews J A, Mayer J, Mazzanti P, McFarland K S, McIntyre P, McKigney E, Menguzzato M, Menzione A, Mesropian C, Meyer A, Miao T, Miller R, Miller J S, Minato H, Miscetti S, Mishina M, Mitselmakher G, 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, Nelson C, Nelson T, Neu C, Neuberger D, Newman-Holmes C, Ngan C Y, Niu H, Nodulman L, Nomerotski A, Oh S H, Oh Y D, 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, Paus C, Pescara L, Phillips T J, Piacentino G, Pitts K T, Plunkett R, Pompos A, Pondrom L, Pope G, Popovic M, Prokoshin F, Proudfoot J, Ptohos F, Pukhov O, Punzi G, Rakitine A, Ratnikov F, Reher D, Reichold A, Ribon A, Riegler W, Rimondi F, Ristori L, Riveline M, Robertson W J, Robinson A, Rodrigo T, Rolli S, Rosenson L, Roser R, Rossin R, Roy A, Ruiz A, Safonov A, St Denis R, Sakumoto W K, Saltzberg D, Sanchez C, Sansoni A, Santi L, Sato H, Savard P, Schlabach P, Schmidt E E, Schmidt M P, Schmitt M, Scodellaro L, Scott A, Scribano A, Segler S, Seidel S, Seiya Y, Semenov A, Semeria F, Shah T, Shapiro M D, Shepard P F, Shibayama T, Shimojima M, Shochet M, Sidoti A, Siegrist J, Sill A, Sinervo P, Singh P, Slaughter A J, Sliwa K, Smith C, Snider F D, Solodsky A, Spalding J, Speer T, Sphicas P, Spinella F, Spiropulu M, Spiegel L, Steele J, Stefanini A, Strologas J, Strumia F, Stuart D, Sumorok K, Suzuki T, Takano T, Takashima R, Takikawa K, Tamburello P, Tanaka M, Tannenbaum B, Tecchio M, Tesarek R, Teng P K, Terashi K, Tether S, Thompson A S, Thurman-Keup R, Tipton P, Tkaczyk S, Toback D, Tollefson K, Tollestrup A, Tonelli D, Toyoda H, Trischuk W, de Troconiz J F, Tseng J, Turini N, Ukegawa F, Vaiciulis T, Valls J, Vejcik S, Velev G, Veramendi G, Vidal R, Vila I, Vilar R, Volobouev I, von Der Mey M, Vucinic D, Wagner R G, Wagner R L, Wallace N B, Wan Z, Wang C, Wang M J, Ward B, Waschke S, Watanabe T, Waters D, Watts T, Webb R, Wenzel H, Wester W C, Wicklund A B, Wicklund E, Wilkes T, Williams H H, Wilson P, Winer B L, Winn D, Wolbers S, Wolinski D, Wolinski J, Wolinski S, Worm S, Wu X, Wyss J, Yao W, Yeh G P, Yeh P, Yoh J, Yosef C, Yoshida T, Yu I, Yu S, Yu Z, Zanetti A, Zetti F, Zucchelli S
机构信息
Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
出版信息
Phys Rev Lett. 2001 Nov 19;87(21):211804. doi: 10.1103/PhysRevLett.87.211804.
We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c(2), produced at the Tevatron in pp collisions with square root (s) = 1.8 TeV and recorded by the Collider Detector at Fermilab. The data are fit to perturbative-QCD calculations carried out in the framework of the modified leading log approximation and the hypothesis of local parton-hadron duality. The fit yields values for two parameters in that framework: the ratio of parton multiplicities in gluon and quark jets, r identical withN(g-jet)(partons)/N(q-jet)(partons) = 1.7+/-0.3, and the ratio of the number of charged hadrons to the number of partons in a jet, K(charged)(LPHD) identical with N(charged)(hadrons)/N(partons) = 0.57+/-0.11.
我们报告了对在Tevatron质子-质子对撞机（质心能量√s = 1.8 TeV）中产生的、双喷注质量范围在80 - 630 GeV/c²的双喷注事件中，喷注的平均带电粒子多重性的测量结果，该数据由费米实验室的对撞机探测器记录。数据与在修正的领头对数近似框架下以及局部部分子-强子对偶性假设下进行的微扰量子色动力学计算进行拟合。拟合得出该框架下两个参数的值：胶子喷注和夸克喷注中部分子多重性的比值，r ≡ N(g - jet)(partons)/N(q - jet)(partons) = 1.7 ± 0.3，以及喷注中带电强子数与部分子数的比值，K(charged)(LPHD) ≡ N(charged)(hadrons)/N(partons) = 0.57 ± 0.11。
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