We present a study of the global event shape variables thrust and heavy jet mass, of energy-energy correlations and of jet multiplicities based on 250 000 hadronic Z0 decays. The data are compared to new QCD calculations including resummation of leading and next-to-leading logarithms to all orders. We determine the strong coupling constant alpha(s) (91.2 GeV) = 0.125 +/- 0.003 (exp) +/- 0.008 (theor). The first error is the experimental uncertainty. The second error is due to hadronization uncertainties and approximations in the calculations of the higher order corrections.
Determination of Alpha-s From Hadronic Event Shapes Measured On the Z0 Resonance / O. ADRIANI;M. AGUILARBENITEZ;S. AHLEN;H. AKBARI;J. ALCARAZ;A. ALOISIO;G. ALVERSON;M. G. ALVIGGI;G. AMBROSI;Q. AN;H. ANDERHUB;A. L. ANDERSON;V. P. ANDREEV;T. ANGELOV;L. ANTONOV;D. ANTREASYAN;P. ARCE;A. AREFIEV;A. ATAMANCHUK;T. AZEMOON;T. AZIZ;P. V. K.;P. BAGNAIA;J. A. BAKKEN;L. BAKSAY;R. C. BALL;S. BANERJEE;J. BAO;R. BARILLERE;L. BARONE;R. BATTISTON;A. BAY;F. BECATTINI;U. BECKER;F. BEHNER;J. BEHRENS;S. BEINGESSNER;G. L. BENCZE;J. BERDUGO;P. BERGES;B. BERTUCCI;B. L. BETEV;M. BIASINI;A. BILAND;G. M. BILEI;R. BIZZARRI;J. J. BLAISING;P. BLOMEKE;B. BLUMENFELD;G. J. BOBBINK;M. BOCCIOLINI;R. BOCK;A. BOHM;B. BORGIA;D. BOURILKOV;M. BOURQUIN;D. BOUTIGNY;B. BOUWENS;E. BRAMBILLA;J. G. BRANSON;I. C. BROCK;M. BROOKS;C. BUISSON;A. BUJAK;J. D. BURGER;W. J. BURGER;J. P. BURQ;J. BUSENITZ;X. D. CAI;M. CAPELL;M. CARIA;F. CARMINATI;A. M. CARTACCI;M. CERRADA;F. CESARONI;Y. H. CHANG;U. K. CHATURVEDI;M. CHEMARIN;A. CHEN;C. CHEN;G. M. CHEN;H. F. CHEN;H. S. CHEN;J. CHEN;M. CHEN;M. L. CHEN;W. Y. CHEN;G. CHIEFARI;C. Y. CHIEN;M. CHMEISSANI;S. CHUNG;C. CIVININI;I. CLARE;R. CLARE;T. E. COAN;H. O. COHN;G. COIGNET;N. COLINO;A. CONTIN;F. CRIJNS;X. T. CUI;X. Y. CUI;T. S. DAI;R. DALESSANDRO;R. DEASMUNDIS;A. DEGRE;K. DEITERS;E. DENES;P. DENES;F. DENOTARISTEFANI;M. DHINA;D. DIBITONTO;M. DIEMOZ;H. R. DIMITROV;C. DIONISI;M. T. DOVA;E. DRAGO;T. DRIEVER;D. DUCHESNEAU;P. DUINKER;I. DURAN;H. ELMAMOUNI;A. ENGLER;F. J. EPPLING;F. C. ERNE;P. EXTERMANN;R. FABBRETTI;M. FABRE;S. FALCIANO;S. J. FAN;O. FACKLER;J. FAY;M. FELCINI;T. FERGUSON;D. FERNANDEZ;G. FERNANDEZ;F. FERRONI;H. FESEFELDT;E. FIANDRINI;J. FIELD;F. FILTHAUT;G. FINOCCHIARO;P. H. FISHER;G. FORCONI;T. FOREMAN;K. FREUDENREICH;W. FRIEBEL;M. FUKUSHIMA;M. GAILLOUD;Y. GALAKTIONOV;E. GALLO;S. N. GANGULI;P. GARCIAABIA;S. S. GAU;D. GELE;S. GENTILE;S. GOLDFARB;Z. F. GONG;E. GONZALEZ;P. GOTTLICHER;D. GOUJON;G. GRATTA;C. GRINNELL;M. GRUENEWALD;C. GU;M. GUANZIROLI;J. K. GUO;V. K. GUPTA;A. GURTU;H. R. GUSTAFSON;L. J. GUTAY;K. HANGARTER;A. HASAN;D. HAUSCHILDT;C. F. HE;T. HEBBEKER;M. HEBERT;G. HERTEN;U. HERTEN;A. HERVE;K. HILGERS;H. HOFER;H. HOORANI;G. HU;G. Q. HU;B. ILLE;M. M. ILYAS;V. INNOCENTE;H. JANSSEN;S. JEZEQUEL;B. N. JIN;L. W. JONES;A. KASSER;R. A. KHAN;Y. KAMYSHKOV;P. KAPINOS;J. S. KAPUSTINSKY;Y. KARYOTAKIS;M. KAUR;S. KHOKHAR;M. N. KIENZLEFOCACCI;W. W. KINNISON;D. KIRKBY;S. KIRSCH;W. KITTEL;A. KLIMENTOV;A. C. KONIG;E. KOFFEMAN;O. KORNADT;V. KOUTSENKO;A. KOULBARDIS;R. W. KRAEMER;T. KRAMER;V. R. KRASTEV;W. KRENZ;A. KRIVSHICH;J. KRIZMANIC;K. S. KUMAR;A. KUNIN;G. LANDI;D. LANSKE;S. LANZANO;P. LEBRUN;P. LECOMTE;P. LECOQ;P. LECOULTRE;D. M. LEE;I. LEEDOM;J. M. LEGOFF;R. LEISTE;M. LENTI;E. LEONARDI;J. LETTRY;X. LEYTENS;C. LI;H. T. LI;P. J. LI;X. G. LI;J. Y. LIAO;W. T. LIN;Z. Y. LIN;F. L. LINDE;B. LINDEMANN;D. LINNHOFER;Y. LIU;W. LOHMANN;E. LONGO;Y. S. LU;J. M. LUBBERS;K. LUBELSMEYER;C. LUCI;D. LUCKEY;L. LUDOVICI;L. LUMINARI;W. G. MA;M. MACDERMOTT;P. K. MALHOTRA;R. MALIK;A. MALININ;C. MANA;D. N. MAO;Y. F. MAO;M. MAOLINBAY;P. MARCHESINI;F. MARION;A. MARIN;J. P. MARTIN;L. MARTINEZLASO;F. MARZANO;G. G. G.;T. MATSUDA;K. MAZUMDAR;P. MCBRIDE;T. MCMAHON;D. MCNALLY;T. MEINHOLZ;M. MERK;L. MEROLA;M. MESCHINI;W. J. METZGER;Y. MI;G. B. MILLS;Y. MIR;G. MIRABELLI;J. MNICH;M. MOLLER;B. MONTELEONI;R. MORAND;S. MORGANTI;N. E. MOULAI;R. MOUNT;S. MULLER;A. NADTOCHY;E. NAGY;M. NAPOLITANO;H. NEWMAN;C. NEYER;M. A. NIAZ;L. NIESSEN;H. NOWAK;G. ORGANTINI;D. PANDOULAS;S. PAOLETTI;G. PASSALEVA;S. PATRICELLI;M. PAULUZZI;F. PAUSS;Y. J. PEI;D. PERRETGALLIX;J. PERRIER;A. PEVSNER;M. PIERI;P. A. PIROUE;F. PLASIL;V. PLYASKIN;M. POHL;V. POJIDAEV;N. PRODUIT;J. M. QIAN;K. N. QURESHI;R. RAGHAVAN;G. RAHALCALLOT;G. RAVEN;P. RAZIS;K. READ;D. REN;Z. REN;M. RESCIGNO;S. REUCROFT;A. RICKER;S. RIEMANN;O. RIND;H. A. RIZVI;B. P. ROE;M. ROHNER;S. ROHNER;L. ROMERO;J. ROSE;S. ROSIERLEES;R. ROSMALEN;P. ROSSELET;A. RUBBIA;J. A. RUBIO;H. RYKACZEWSKI;M. SACHWITZ;E. SAJAN;J. SALICIO;J. M. SALICIO;G. S. SANDERS;A. SANTOCCHIA;M. S. SARAKINOS;G. SARTORELLI;M. SASSOWSKY;G. SAUVAGE;V. SCHEGELSKY;K. SCHMIEMANN;D. SCHMITZ;P. SCHMITZ;M. SCHNEEGANS;H. SCHOPPER;D. J. SCHOTANUS;S. SHOTKIN;H. J. SCHREIBER;J. SHUKLA;R. SCHULTE;S. SCHULTE;K. SCHULTZE;J. SCHUTTE;J. SCHWENKE;G. SCHWERING;C. SCIACCA;I. SCOTT;R. SEHGAL;P. G. SEILER;J. C. SENS;L. SERVOLI;I. SHEER;D. Z. SHEN;S. SHEVCHENKO;X. R. SHI;E. SHUMILOV;V. SHOUTKO;E. SODERSTROM;A. SOPCZAK;C. SPARTIOTIS;T. SPICKERMANN;P. SPILLANTINI;R. STAROSTA;M. STEUER;D. P. STICKLAND;F. STICOZZI;H. STONE;K. STRAUCH;B. C. STRINGFELLOW;K. SUDHAKAR;G. SULTANOV;R. L. SUMNER;L. Z. SUN;H. SUTER;R. B. SUTTON;J. D. SWAIN;A. A. SYED;X. W. TANG;L. TAYLOR;C. TIMMERMANS;S. C. C.;S. M. TING;M. TONUTTI;S. C. TONWAR;J. TOTH;A. TSAREGORODTSEV;G. TSIPOLITIS;C. TULLY;K. L. TUNG;J. ULBRICHT;L. URBAN;U. UWER;E. VALENTE;R. T. VANDEWALLE;I. VETLITSKY;G. VIERTEL;P. VIKAS;U. VIKAS;M. VIVARGENT;H. VOGEL;H. VOGT;I. VOROBIEV;A. A. VOROBYOV;L. VUILLEUMIER;M. WADHWA;W. WALLRAFF;C. R. WANG;G. H. WANG;J. H. WANG;Q. F. WANG;X. L. WANG;Y. F. WANG;Z. M. WANG;A. WEBER;J. WEBER;R. WEILL;T. J. WENAUS;J. WENNINGER;M. WHITE;C. WILLMOTT;F. WITTGENSTEIN;D. WRIGHT;R. J. WU;S. X. WU;Y. G. WU;B. WYSLOUCH;Y. Y. XIE;Y. D. XU;Z. Z. XU;Z. L. XUE;D. S. YAN;X. J. YAN;B. Z. YANG;C. G. YANG;G. YANG;K. S. YANG;Q. Y. YANG;Z. Q. YANG;C. H. YE;J. B. YE;Q. YE;S. C. YEH;Z. W. YIN;J. M. YOU;N. YUNUS;M. YZERMAN;C. ZACCARDELLI;P. ZEMP;M. ZENG;Y. ZENG;D. H. ZHANG;Z. P. ZHANG;B. ZHOU;J. F. ZHOU;R. Y. ZHU;H. L. ZHUANG;A. ZICHICHI;B. C. C.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 284:(1992), pp. 471-481. [10.1016/0370-2693(92)90463-E]
Determination of Alpha-s From Hadronic Event Shapes Measured On the Z0 Resonance
ADRIANI, OSCAR;D'ALESSANDRO, RAFFAELLO;M. LENTI;
1992
Abstract
We present a study of the global event shape variables thrust and heavy jet mass, of energy-energy correlations and of jet multiplicities based on 250 000 hadronic Z0 decays. The data are compared to new QCD calculations including resummation of leading and next-to-leading logarithms to all orders. We determine the strong coupling constant alpha(s) (91.2 GeV) = 0.125 +/- 0.003 (exp) +/- 0.008 (theor). The first error is the experimental uncertainty. The second error is due to hadronization uncertainties and approximations in the calculations of the higher order corrections.I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.