We report on a study of energetic, isolated photons in a sample of approximately 320 000 Z0 hadronic decays. Energetic isolated photons probe the short-distance structure of QCD. We compare our data with the prediction of several QCD-based calculations. A search for new processes with one or two photons in the hadronic final state is also presented. No evidence for physics beyond the standard model is found.

Isolated Hard Photon-emission In Hadronic Z0 Decays / 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;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;G. CARLINO;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;A. GOUGAS;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;H. KUIJTEN;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;L. LISTA;Y. LIU;W. LOHMANN;E. LONGO;Y. S. LU;J. M. LUBBERS;K. LUBELSMEYER;C. LUCI;D. LUCKEY;L. LUDOVICI;L. LUMINARI;W. LUSTERMANN;J. M. MA;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;A. NIPPE;H. NOWAK;G. ORGANTINI;D. PANDOULAS;S. PAOLETTI;P. PAOLUCCI;G. PASSALEVA;S. PATRICELLI;T. PAUL;M. PAULUZZI;F. PAUSS;Y. J. PEI;D. PERRETGALLIX;J. PERRIER;A. PEVSNER;D. PICCOLO;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;F. J. RODRIGUEZ;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. - 292:(1992), pp. 472-484. [10.1016/0370-2693(92)91205-N]

Isolated Hard Photon-emission In Hadronic Z0 Decays

ADRIANI, OSCAR;D'ALESSANDRO, RAFFAELLO;M. LENTI;
1992

Abstract

We report on a study of energetic, isolated photons in a sample of approximately 320 000 Z0 hadronic decays. Energetic isolated photons probe the short-distance structure of QCD. We compare our data with the prediction of several QCD-based calculations. A search for new processes with one or two photons in the hadronic final state is also presented. No evidence for physics beyond the standard model is found.
1992
292
472
484
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. ANDERSO...espandi
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/772741
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