ENERGY ENERGY CORRELATIONS IN HADRONIC FINAL-STATES FROM Z0 DECAYS

被引：52

作者：

Abreu, P

Adam, W

Adami, F

Ayde, T

Alekseev, GD

Allen, P

Almehed, S

Alted, F

Alvsvaag, SJ

Amaldi, U

Anassontzis, E

Apel, WD

Asman, B

Astier, P

Augustinus, JE

Augustinus, A

Baillon, P

Bambade, P

Barao, F

Barbiellini, G

Bardin, DY

Baroncelli, A

Barring, O

Bartl, W

Bates, MJ

Baubillier, M

Becks, KH

Beeston, CJ

Beilliere, P

Belokopytov, I

Beltran, P

Benedic, D

Benlloch, JM

Berggren, M

Bertrand, D

Biagi, S

Bianchi, F

Bibby, JH

Bilenky, MS

Billoir, P

Biarne, J

Bloch, D

Bogolubov, PN

Bollini, D

Bolognese, T

Bonapart, M

Bonesini, M

Booth, PSL

Boratav, M

Borgeaud, P

机构：

[1] LAB INSTRUMENTACAO & FIS EXPTL PARTICULAS, P-1000 LISBON, PORTUGAL

[2] Osterreich Akad Wissensch, Inst Hochenergiephys, A-1050 Vienna, AUSTRIA

[3] CEN Saclay, DPhPE, F-91191 Gif Sur Yvette, FRANCE

[4] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, ENGLAND

[5] Joint Inst Nucl Res, SU-101000 Moscow, RUSSIA

[6] Ctr Mixto Univ Valencia CSIC, Inst Fis Corpuscular IFIC, E-46100 Burjassot, Valencia, SPAIN

[7] Univ Lund, Dept Phys, S-22363 Lund, SWEDEN

[8] Univ Bergen, Dept Phys, N-5007 Bergen, NORWAY

[9] CERN, CH-1211 Geneva 23, SWITZERLAND

[10] Univ Athens, Phys Lab, GR-10680 Athens, GREECE

[11] Univ Karlsruhe, Inst Expt Kernphys, W-7500 Karlsruhe 1, GERMANY

[12] Univ Stockholm, Inst Phys, S-11346 Stockholm, SWEDEN

[13] Univ Paris 06, LPNHE, F-75230 Paris 05, FRANCE

[14] Univ Paris 07, F-75230 Paris 05, FRANCE

[15] Univ Paris Sud, Lab Accelerateur Lineaire, F-91405 Orsay, FRANCE

[16] Univ Trieste, Dipartimento Fis, I-34127 Trieste, ITALY

[17] Ist Nazl Fis Nucl, I-34127 Trieste, ITALY

[18] Univ Udine, Ist Fis, I-33100 Udine, ITALY

[19] Ist Nazl Fis Nucl, Ist Super Sanita, I-00161 Rome, ITALY

[20] Univ Rome 2, Dipartimento Fis, I-00173 Rome, ITALY

[21] Ist Nazl Fis Nucl, I-00173 Rome, ITALY

[22] Univ Oxford, Nucl Phys Lab, Oxford OX1 3RH, ENGLAND

[23] Univ Wuppertal, Fach Phys, W-5600 Wuppertal 1, GERMANY

[24] Coll France, Lab Phys Corpusculaire, F-75231 Paris 5, FRANCE

[25] Inst High Energy Phys, SU-142284 Protvino, Moscow Region, RUSSIA

[26] Nucl Res Ctr Demokritos, Greek Atom Energy Commis, GR-15310 Aghia Paraskevi, GREECE

[27] CRN Grp DELPHI, Div Hautes Energies, F-67037 Strasbourg, FRANCE

[28] LEPSI, F-67037 Strasbourg, FRANCE

[29] Univ Instelling Antwerpen, Phys Dept, B-2610 Wilrijk, BELGIUM

[30] ULB VUB, IIHE, B-1050 Brussels, BELGIUM

[31] Univ Etat Mons, Fac Sci, Serv Phys Particules Elementaires, B-7000 Mons, BELGIUM

[32] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, ENGLAND

[33] Univ Turin, Dipartimento Fis Sperimantale, I-10125 Turin, ITALY

[34] Ist Nazl Fis Nucl, I-10125 Turin, ITALY

[35] Univ Bologna, Dipartimento Fis, I-40126 Bologna, ITALY

[36] Ist Nazl Fis Nucl, I-40126 Bologna, ITALY

[37] NIKHEF H, NL-1009 DB Amsterdam, NETHERLANDS

[38] Univ Milan, Dipartimento Fis, I-20133 Milan, ITALY

[39] Ist Nazl Fis Nucl, I-20133 Milan, ITALY

[40] Univ Uppsala, Dept Radiat Sci, S-75121 Uppsala, SWEDEN

[41] Univ Genoa, Dipartimento Fis, I-16146 Genoa, ITALY

[42] Ist Nazl Fis Nucl, I-16146 Genoa, ITALY

[43] Univ Helsinki, Dept High Energy Phys, SF-00170 Helsinki 17, FINLAND

[44] Univ Oslo, Phys Dept, N-1000 Oslo 3, NORWAY

[45] Univ Santander, Fac Ciencias, E-39005 Santander, SPAIN

[46] Univ Padua, Dipartimento Fis, I-35131 Padua, ITALY

[47] Ist Nazl Fis Nucl, I-35131 Padua, ITALY

[48] Iowa State Univ, Ames Lab, Ames, IA 50011 USA

[49] Iowa State Univ, Dept Phys, Ames, IA 50011 USA

[50] Niels Bohr Inst, DK-2100 Copenhagen O, DENMARK

来源：

PHYSICS LETTERS B | 1990年 / 252卷 / 01期

关键词：

D O I：

10.1016/0370-2693(90)91097-U

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have studied the energy-energy angular correlations in hadronic final states from Z0 decay using the DELPHI detector at LEP. From a comparison with Monte Carlo calculations based on the exact second order QCD matrix element and string fragmentation we find that Lambda-MS(5) = 104(-20)+25(stat.)-20(+25)(syst.)-00(+30)(theor.) MeV, which corresponds to alpha-s(91 GeV) = 0.106 +/- 0.003(stat.) +/- 0.003(syst.)-0.000(+0.003)(theor.). The theoretical error stems from different choices for the renormalization scale of alpha-s. In the Monte Carlo simulation the scale of alphA-s as well as the fragmentation parameters have been optimized to described reasonably well as aspects of multihadron production.

引用

页码：149 / 158

页数：10

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