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Titolo:
MEASUREMENT OF THE TRIPLE GLUON VERTEX FROM DOUBLE QUARK TAGGED 4-JETEVENTS
Autore:
ABREU P; ADAM W; ADYE T; ADZIC P; ALEKSEEV GD; ALLPORT PP; ALMEHED S; AMALDI U; AMATO S; ANDERSSON P; ANDREAZZA A; ANTILOGUS P; APEL WD; ARNOUD Y; ASMAN B; AUGUSTIN JE; AUGUSTINUS A; BAILLON P; BAMBADE P; BARAO F; BARBI M; BARBIELLINI G; BARDIN DY; BARKER G; BARONCELLI A; BARRING O; BATES MJ; BATTAGLIA M; BAUBILLIER M; BAUDOT J; BECKS KH; BEGALLI M; BEILLIERE P; BELOKOPYTOV Y; BENVENUTI AC; BERAT C; BERGGREN M; BERTINI D; BERTRAND D; BESANCON M; BIANCHI F; BIGI M; BILENKY MS; BILLOIR P; BIZOUARD MA; BLOCH D; BLUME M; BONESINI M; BONIVENTO W; BOONEKAMP M; BOOTH PSL; BORGLAND AW; BORISOV G; BOSIO C; BOTNER O; BOUDINOV E; BOUQUET B; BOURDARIOS C; BOWCOCK TJV; BOZZO M; BRANCHINI P; BRAND KD; BRENKE T; BRENNER RA; BROWN RCA; BRUCKMAN P; BRUNET JM; BUGGE L; BURAN T; BURGSMUELLER T; BUSCHMANN P; CABRERA S; CACCIA M; CALVI M; ROZAS AJC; CAMPORESI T; CANALE V; CANEPA M; CARENA F; CARROLL L; CASO C; GIMENEZ MVC; CATTAI A; CAVALLO FR; CHABAUD V; CHARPENTIER P; CHAUSSARD L; CHECCHIA P; CHELKOV GA; CHEN M; CHIERICI R; CHLIAPNIKOV P; CHOCHULA P; CHOROWICZ V; CHUDOBA J; CINDRO V; COLLINS P; COLOMER M; CONTRI R; CORTINA E; COSME G; COSSUTTI F; COWELL JH; CRAWLEY HB; CRENNELL D; CROSETTI G; MAESTRO JC; CZELLAR S; DAHM J; DALMAGNE B; DAMGAARD G; DAUNCEY PD; DAVENPORT M; DASILVA W; DEGHORAIN A; DELLARICCA G; DELPIERRE P; DEMARIA N; DEANGELIS A; DEBOER W; DEBRABANDERE S; DECLERCQ C; DELAVAISSIERE C; DELOTTO B; DEMIN A; DEPAULA L; DIJKSTRA H; DICIACCIO L; DIDIODATO A; DJANNATI A; DOLBEAU J; DOROBA K; DRACOS M; DREES J; DREES KA; DRIS M; DURAND JD; EDSALL D; EHRET R; EIGEN G; EKELOF T; EKSPONG G; ELSING M; ENGEL JP; ERZEN B; SANTO ME; FALK E; FANOURAKIS G; FASSOULIOTIS D; FEINDT M; FENYUK A; FERRARI P; FERRER A; FICHET S; FILIPPAS TA; FIRESTONE A; FISCHER PA; FOETH H; FOKITIS E; FONTANELLI F; FORMENTI F; FRANEK B; FRODESEN AG; FRUHWIRTH R; FULDAQUENZER F; FUSTER J; GALLONI A; GAMBA D; GANDELMAN M; GARCIA C; GARCIA J; GASPAR C; GASPARINI U; GAVILLET P; GAZIS EN; GELE D; GERBER JP; GERYUKOV L; GOKIELI R; GOLOB B; GONCALVES P; GOPAL G; GORN L; GORSKI M; GOUZ Y; GRACCO V; GRAZIANI E; GREEN C; GREFRATH A; GRIS P; GROSDIDIER G; GRZELAK K; GUNTHER M; GUY J; HAHN F; HAHN S; HAJDUK Z; HALLGREN A; HAMACHER K; HARRIS FJ; HEDBERG V; HENRIQUES R; HERNANDEZ JJ; HERQUET P; HERR H; HESSING TL; HEUSER JM; HIGON E; HOLMGREN SO; HOLT PJ; HOLTHUIZEN D; HOORELBEKE S; HOULDEN M; HRUBEC J; HUET K; HULTQVIST K; JACKSON JN; JACOBSSON R; JALOCHA P; JANIK R; JARLSKOG C; JARLSKOG G; JARRY P; JEANMARIE B; JOHANSSON EK; JONSSON L; JONSSON P; JORAM C; JUILLOT P; KAISER M; KAPUSTA F; KARAFASOULIS K; KARVELAS E; KATSANEVAS S; KATSOUFIS EC; KERANEN R; KHOKHLOV Y; KHOMENKO BA; KHOVANSKI NN; KING B; KJAER NJ; KLAPP O; KLEIN H; KLUIT P; KNOBLAUCH D; KOKKINIAS P; KONOPLIANNIKOV A; KORATZINOS M; KORCYL K; KOSTIOUKHINE V; KOURKOUMELIS C; KOUZNETSOV O; KREUTER C; KRONKVIST I; KRUMSTEIN Z; KRUPINSKI W; KUBINEC P; KUCEWICZ W; KURVINEN K; LACASTA C; LAKTINEH I; LAMSA JW; LANCERI L; LANE DW; LANGEFELD P; LAUGIER JP; 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OBRAZTSOV V; OLSHEVSKI AG; ONOFRE A; ORAVA R; ORAZI G; ORTUNO S; OSTERBERG K; OURAOU A; PAGANINI P; PAGANONI M; PAIANO S; PAIN R; PALKA H; PAPADOPOULOU TD; PAPAGEORGIOU K; PAPE L; PARKES C; PARODI F; PARZEFALL U; PASSERI A; PEGORARO M; PERALTA L; PERNEGGER H; PERNICKA M; PERROTTA A; PETRIDOU C; PETROLINI A; PHILLIPS HT; PIANA G; PIERRE F; PIOTTO E; PODOBNIK T; PODOBRIN O; POL ME; POLOK G; POROPAT P; POZDNIAKOV V; PRIVITERA P; PUKHAEVA N; PULLIA A; RADOJICIC D; RAGAZZI S; RAHMANI H; RAMES J; RATOFF PN; READ AL; REALE M; REBECCHI P; REDAELLI NG; REGLER M; REID D; REINHARDT R; RENTON PB; RESVANIS LK; RICHARD F; RIDKY J; RINAUDO G; ROHNE O; ROMERO A; RONCHESE P; ROOS L; ROSENBERG EI; ROSINSKY P; ROUDEAU P; ROVELLI T; RUHLMANNKLEIDER V; RUIZ A; RYBICKI K; SAARIKKO H; SACQUIN Y; SADOVSKY A; SAJOT G; SALT J; SANNINO M; SCHNEIDER H; SCHWICKERATH U; SCHYNS MAE; SCIOLLA G; SCURI F; SEAGER P; SEDYKH Y; SEGAR AM; SEITZ A; SEKULIN R; SERBELLONI L; SHELLARD RC; SHERIDAN A; SIEGRIST P; SILVESTRE R; SIMONETTO F; SISAKIAN AN; SKAALI TB; SMADJA G; SMIRNOV N; SMIRNOVA O; SMITH GR; SOKOLOV A; SOLOVIANOV O; SOSNOWSKI R; SOUZASANTOS D; SPASSOV T; SPIRITI E; SPONHOLZ P; SQUARCIA S; STAMPFER D; STANESCU C; STANIC S; STAPNES S; STAVITSKI I; STEVENSON K; STOCCHI A; STRAUSS J; STRUB R; STUGU B; SZCZEKOWSKI M; SZEPTYCKA M; TABARELLI T; TAVERNET JP; TCHERNIAEV E; TEGENFELDT F; TERRANOVA F; THOMAS J; TILQUIN A; TIMMERMANS J; TKATCHEV LG; TODOROV T; TODOROVA S; TOET DZ; TOMARADZE A; TOME B; TONAZZO A; TORTORA L; TRANSTROMER G; TREILLE D; TRISTRAM G; TROMBINI A; TRONCON C; TSIROU A; TURLUER ML; TYAPKIN IA; TYNDEL M; TZAMARIAS S; UEBERSCHAER B; ULLALAND O; UVAROV V; VALENTI G;
Indirizzi:
LIP,IST,FCUL,AV ELIAS GARCIA 14-1O P-1000 LISBON PORTUGAL IOWA STATE UNIV,DEPT PHYS & ASTRON AMES IA 50011 UNIV INSTELLING ANTWERP,DEPT PHYS B-2610 WILRIJK BELGIUM ULB VUB,IIHE B-1050 BRUSSELS BELGIUM UNIV MONS,FAC SCI B-7000 MONS BELGIUM UNIV ATHENS,PHYS LAB GR-10680 ATHENS GREECE UNIV BERGEN,DEPT PHYS N-5007 BERGEN NORWAY UNIV BOLOGNA,DIPARTMENTO FIS I-40126 BOLOGNA ITALY IST NAZL FIS NUCL I-40126 BOLOGNA ITALY CTR BRASILEIRO PESQUISAS FIS RJ-22290 RIO JANEIRO BRAZIL PONTIFICIA UNIV CATOLICA RIO DE JANEIRO,DEPT FIS RIO JANEIRO BRAZIL UNIV ESTADUAL RIO DE JANEIRO,INST FIS RIO JANEIRO BRAZIL COMENIUS UNIV BRATISLAVA,FAC MATH & PHYS SK-84215 BRATISLAVA SLOVAKIA COLL FRANCE,PHYS CORPUSCULAIRE LAB,IN2P3,CNRS F-75231 PARIS 05 FRANCE CERN CH-1211 GENEVA 23 SWITZERLAND ULP,CNRS,IN2P3,INST RECH SUBATOM F-67037 STRASBOURG FRANCE NCSR DEMOKRITOS,INST NUCL PHYS GR-15310 ATHENS GREECE CAS HIGH ENERGY PHYS DIV,INST PHYS,FZU PRAGUE 18040 8 CZECH REPUBLIC UNIV GENOA,DIPARTIMENTO FIS I-16146 GENOA ITALY IST NAZL FIS NUCL I-16146 GENOA ITALY UNIV GRENOBLE 1,CNRS,IN2P3,INST NUCL SCI F-38026 GRENOBLE FRANCE HIP,HELSINKI INST PHYS FIN-00014 HELSINKI FINLAND JOINT INST NUCL RES DUBNA,THEORET PHYS LAB MOSCOW 101000 RUSSIA UNIV KARLSRUHE,INST EXPT KERNPHYS D-76128 KARLSRUHE GERMANY UNIV MIN & MET KRAKOW,INST NUCL PHYS PL-30055 KRAKOW POLAND UNIV PARIS 11,LAB ACCELERATEUR LINEAIRE,IN2P3,CNRS F-91405 ORSAY FRANCE UNIV LANCASTER,SCH PHYS & CHEM LANCASTER LA1 4YB ENGLAND LIP,IST,FCUL P-1000 LISBON PORTUGAL UNIV LIVERPOOL,DEPT PHYS LIVERPOOL L69 3BX MERSEYSIDE ENGLAND UNIV PARIS 06,CNRS,IN2P3,LPNHE F-75252 PARIS 05 FRANCE UNIV PARIS 07,CNRS,IN2P3,LPNHE F-75252 PARIS 05 FRANCE LUND UNIV,DEPT PHYS S-22363 LUND SWEDEN UNIV LYON 1,IPNL,IN2P3,CNRS F-69622 VILLEURBANNE FRANCE UNIV AIX MARSEILLE 2,CPP,IN2P3,CNRS F-13288 MARSEILLE 09 FRANCE UNIV MILAN,DIPARTIMENTO FIS I-20133 MILAN ITALY IST NAZL FIS NUCL I-20133 MILAN ITALY NIELS BOHR INST DK-2100 COPENHAGEN O DENMARK CHARLES UNIV,NUCL CTR MFF,NC CR-18000 PRAGUE 8 CZECH REPUBLIC NIKHEF NL-1009 DB AMSTERDAM NETHERLANDS NATL TECH UNIV ATHENS,DEPT PHYS GR-15773 ATHENS GREECE UNIV OSLO,DEPT PHYS N-1000 OSLO 3 NORWAY UNIV OVIEDO,DIPARTIMENTO FIS OVIEDO SPAIN UNIV OXFORD,DEPT PHYS OXFORD OX1 3RH ENGLAND IST NAZL FIS NUCL I-35131 PADUA ITALY UNIV PADUA,DIPARTIMENTO FIS I-35131 PADUA ITALY RUTHERFORD APPLETON LAB DIDCOT OX11 0QX OXON ENGLAND UNIV ROMA TOR VERGATA,DIPARTIMENTO FIS I-00173 ROME ITALY IST NAZL FIS NUCL I-00173 ROME ITALY CTR ETUD SACLAY,SERV PHYS PARTICULES,DAPNIA,CEA F-91191 GIF SUR YVETTE FRANCE IST NAZL FIS NUCL,IST SUPER SANITA I-00161 ROME ITALY UC,CSIC,INST FIS CANTABRIA SANTANDER SPAIN INST HIGH ENERGY PHYS PROTVINO MOSCOW REGION RUSSIA JOZEF STEFAN INST SL-1000 LJUBLJANA SLOVENIA SCH ENVIRONM SCI,DEPT ASTROPARTICLE PHYS SL-5000 NOVA GORICA SLOVENIA UNIV LJUBLJANA,DEPT PHYS SL-1000 LJUBLJANA SLOVENIA UNIV STOCKHOLM,FYSIKUM S-11385 STOCKHOLM SWEDEN UNIV TURIN,DIPARTIMENTO FIS SPERIMENTALE I-10125 TURIN ITALY IST NAZL FIS NUCL I-10125 TURIN ITALY UNIV TRIESTE,DIPARTMENTO FIS I-34127 TRIESTE ITALY IST NAZL FIS NUCL I-34127 TRIESTE ITALY UNIV UDINE,IST FIS I-33100 UDINE ITALY UNIV FED RIO DE JANEIRO,ILHA FDN BR-21945970 RIO JANEIRO BRAZIL UNIV UPPSALA,DEPT RADIAT SCI S-75121 UPPSALA SWEDEN UNIV VALENCIA,CSIC,IFIC E-46100 BURJASSOT VALENCIA SPAIN UNIV VALENCIA,DFAMN E-46100 BURJASSOT VALENCIA SPAIN AUSTRIAN ACAD SCI,INST HOCHENERGIEPHYS A-1050 VIENNA AUSTRIA INST NUCL STUDIES PL-00681 WARSAW POLAND UNIV WARSAW PL-00681 WARSAW POLAND BERG UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS D-42097 WUPPERTAL GERMANY
Titolo Testata:
Physics letters. Section B
fascicolo: 3-4, volume: 414, anno: 1997,
pagine: 401 - 418
SICI:
0370-2693(1997)414:3-4<401:MOTTGV>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
E+E-ANNIHILATION; DECAYS;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
21
Recensione:
Indirizzi per estratti:
Citazione:
P. Abreu et al., "MEASUREMENT OF THE TRIPLE GLUON VERTEX FROM DOUBLE QUARK TAGGED 4-JETEVENTS", Physics letters. Section B, 414(3-4), 1997, pp. 401-418

Abstract

The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from b- or c-quarks using lifetime and lepton transverse momentum information. The 4-jet contributions from double-gluon bremsstrahlung, the triple-gluon vertex, and secondary quark-antiquark pair production then yield significantly different two-dimensional distributions in the generalized Nachtmann Reiter angle versus the opening angle of the two secondary jets. These distributions are used to fit C-A/C-F, the ratio of the coupling strength of the triple-gluon vertex to that of gluon bremsstrahlung, and N-C/N-A, the ratio of the number of quark colours to the number of gluons, giving C-A/C-F = 2.51 +/- 0.28 and N-C/N-A = 0.38 +/- 0.10 in agreement with the values expected from QCD: C-A/C-F = 9/4 = 2.25 and N-C/N-A = 3/8 = 0.375. (C) 1997 Published by Elsevier Science B.V.

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Documento generato il 30/11/20 alle ore 12:48:01