Study of the structure of hadronic events and determination of alpha(s) at root s=130 GeV and 136 GeV

被引:66
作者
Acciarri, M [1 ]
Adam, A
Adriani, O
AguilarBenitez, M
Ahlen, S
Alpat, B
Alcaraz, J
Allaby, J
Aloisio, A
Alverson, G
Alviggi, MG
Ambrosi, G
Anderhub, H
Andreev, VP
Angelescu, T
Antreasyan, D
Arefiev, A
Azemoon, T
Aziz, T
Bagnaia, P
Baksay, L
Ball, RC
Banerjee, S
Banicz, K
Barillere, R
Barone, L
Bartalini, P
Baschirotto, A
Basile, M
Battiston, R
Bay, A
Becattini, F
Becker, U
Behner, F
Bencze, GL
Berdugo, J
Berges, P
Bertucci, B
Betev, BL
Biasini, M
Biland, A
Bilei, GM
Blaising, JJ
Blyth, SC
Bobbink, GJ
Bock, R
Bohm, A
Borgia, B
Boucham, A
Bourilkov, D
机构
[1] RHEIN WESTFAL TH AACHEN, INST PHYS 3, D-52056 AACHEN, GERMANY
[2] NIKHEF H, NATL HIGH ENERGY PHYS, 1009 DB AMSTERDAM, NETHERLANDS
[3] UNIV AMSTERDAM, 1009 DB AMSTERDAM, NETHERLANDS
[4] UNIV MICHIGAN, ANN ARBOR, MI 48109 USA
[5] LAB ANNECY LE VIEUX PHYS PARTICULES, IN2P3, CNRS, F-74941 ANNECY LE VIEUX, FRANCE
[6] JOHNS HOPKINS UNIV, BALTIMORE, MD 21218 USA
[7] UNIV BASEL, INST PHYS, CH-4056 BASEL, SWITZERLAND
[8] LOUISIANA STATE UNIV, BATON ROUGE, LA 70803 USA
[9] INST HIGH ENERGY PHYS, BEIJING 100039, PEOPLES R CHINA
[10] HUMBOLDT UNIV BERLIN, D-10099 BERLIN, GERMANY
[11] IST NAZL FIS NUCL, SEZ BOLOGNA, I-40126 BOLOGNA, ITALY
[12] TATA INST FUNDAMENTAL RES, BOMBAY 400005, MAHARASHTRA, INDIA
[13] BOSTON UNIV, BOSTON, MA 02215 USA
[14] NORTHEASTERN UNIV, BOSTON, MA 02115 USA
[15] INST ATOM PHYS, R-76900 BUCHAREST, ROMANIA
[16] UNIV BUCHAREST, R-76900 BUCHAREST, ROMANIA
[17] HUNGARIAN ACAD SCI, CENT RES INST PHYS, H-1525 BUDAPEST, HUNGARY
[18] HARVARD UNIV, CAMBRIDGE, MA 02139 USA
[19] MIT, CAMBRIDGE, MA 02139 USA
[20] UNIV FLORENCE, I-50125 FLORENCE, ITALY
[21] IST NAZL FIS NUCL, SEZ FIRENZE, I-50125 FLORENCE, ITALY
[22] CERN, EUROPEAN LAB PARTICLE PHYS, CH-1211 GENEVA 23, SWITZERLAND
[23] WORLD LAB, FBLJA PROJECT, CH-1211 GENEVA 23, SWITZERLAND
[24] UNIV GENEVA, CH-1211 GENEVA 4, SWITZERLAND
[25] CHINESE UNIV SCI & TECHNOL, USTC, HEFEI 230029, ANHUI, PEOPLES R CHINA
[26] RES INST HIGH ENERGY PHYS, SEFT, SF-00014 HELSINKI, FINLAND
[27] UNIV LAUSANNE, CH-1015 LAUSANNE, SWITZERLAND
[28] IST NAZL FIS NUCL, I-73100 LECCE, ITALY
[29] UNIV LECCE, I-73100 LECCE, ITALY
[30] LOS ALAMOS NATL LAB, LOS ALAMOS, NM 87544 USA
[31] UNIV LYON 1, CNRS, IN2P3, INST PHYS NUCL LYON, F-69622 PARIS, FRANCE
[32] CIEMAT, E-28040 MADRID, SPAIN
[33] IST NAZL FIS NUCL, SEZ MILANO, I-20133 MILAN, ITALY
[34] INST THEORET & EXPTL PHYS, MOSCOW 117259, RUSSIA
[35] IST NAZL FIS NUCL, I-80125 NAPLES, ITALY
[36] UNIV NAPLES, I-80125 NAPLES, ITALY
[37] UNIV CYPRUS, DEPT NAT SCI, NICOSIA, CYPRUS
[38] UNIV NYMEGEN, 6525 ED NIJMEGEN, NETHERLANDS
[39] NATL INST NUCL PHYS & HIGH ENERGY PHYS, 6525 ED NIJMEGEN, NETHERLANDS
[40] OAK RIDGE NATL LAB, OAK RIDGE, TN 37831 USA
[41] CALTECH, PASADENA, CA 91125 USA
[42] IST NAZL FIS NUCL, I-06100 PERUGIA, ITALY
[43] UNIV PERUGIA, I-06100 PERUGIA, ITALY
[44] CARNEGIE MELLON UNIV, PITTSBURGH, PA 15213 USA
[45] PRINCETON UNIV, PRINCETON, NJ 08544 USA
[46] IST NAZL FIS NUCL, I-00185 ROME, ITALY
[47] UNIV ROMA LA SAPIENZA, I-00185 ROME, ITALY
[48] INST PHYS NUCL, ST PETERSBURG, RUSSIA
[49] UNIV SALERNO, I-84100 SALERNO, ITALY
[50] IST NAZL FIS NUCL, I-84100 SALERNO, ITALY
基金
匈牙利科学研究基金会;
关键词
D O I
10.1016/0370-2693(96)00096-2
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a study of the structure of hadronic events recorded by the L3 detector at center-of-mass energies of 130 and 136 GeV. The data sample corresponds to an integrated luminosity of 5 pb(-1) collected during the high energy run of 1995. The shapes of the event shape distributions and the energy dependence of their mean values are well reproduced by QCD models. From a comparison of the data with resummed O(alpha(s)(2)) QCD calculations, we determine the strong coupling constant to be alpha(s)(133 GeV) = 0.107 +/- 0.005(exp) +/- 0.006(theor).
引用
收藏
页码:137 / 148
页数:12
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