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Titolo:
QCD STUDIES USING A CONE-BASED JET FINDING ALGORITHM FOR E- COLLISIONS AT LEP(E)
Autore:
AKERS R; ALEXANDER G; ALLISON J; ANDERSON KJ; ARCELLI S; ASAI S; ASTBURY A; AXEN D; AZUELOS G; BALL AH; BARLOW RJ; BARNETT S; BARTOLDUS R; BATALEY JR; BEAUDOIN G; BECK A; BECK GA; BECKER J; BEESTON C; BEHNKE T; BELL KW; BELLA G; BENTKOWSKI P; BERLICH P; BETHKE S; BIEBEL O; BLOODWORTH IJ; BOCK P; BODEN B; BOSCH HM; BOUTEMEUR M; BRIGHTTHOMAS P; BROWN RM; BUIJS A; BURCKHART HJ; BURGARD C; CAPILUPPI P; CARNEGIE RK; CARTER AA; CARTER JR; CHANG CY; CHARLESWORTH C; CHARLTON DG; CHU SL; CLARKE PEL; CLAYTON JC; COHEN I; CONBOY JE; COOPER M; COUPLAND M; CUFFIANI M; DADO S; DALLAPICCOLA C; DALLAVALLE GM; DARLING C; DEJONG S; DELPOZO LA; DENG H; DITTMAR M; DIXIT MS; SILVA EDE; DUBOSCQ JE; DUCHOVNI E; DUCKECK G; DUERDOTH IP; DUMAS DJP; ELCOMBE PA; ESTABROOKS PG; ETZION E; EVANS HG; FABBRI F; FABBRO B; FIERRO M; FINCKEKEELER M; FISCHER HM; FOLMAN R; FONG DG; FOUCHER M; FUKUI H; FURTJES A; GAIDOT A; GARY JW; GASCON J; GEDDES NI; GEICHGIMBEL C; GENSLER SW; GENTIT FX; GERALIS T; GIACOMELLI G; GIACOMELLI P; GIACOMELLI R; GIBSON V; GIBSON WR; GILLIES JD; GOLDBERG J; GINGRICH DM; GOODRICK MJ; GORN W; GRANDI C; GRANT FC; HAGEMANN J; HANSON GG; HANSROUL M; HARGROVE CK; HARRISON PF; HART J; HART PA; HATTERSLEY PM; HAUSCHILD M; HAWKES CM; HEFLIN E; HEMINGWAY RJ; HERTEN G; HEUER RD; HILL JC; HILLIER SJ; HILSE T; HINSHAW DA; HOBSON PR; HOCHMAN D; HOMER RJ; HONMA AK; HUGHESJONES RE; HUMBERT R; IGOKEMENES P; IHSSEN H; IMRIE DC; JAWAHERY A; JEFFREYS PW; JEREMIE H; JIMACK M; JONES M; JONES RWL; JOVANOVIC P; JUI C; KARLEN D; KAWAGOE K; KAWAMOTO T; KEELER RK; KELLOGG RG; KENNEDY BW; KING J; KLUTH S; KOBAYASHI T; KOBEL M; KOETKE DS; KOKOTT TP; KOMAMIYA S; KOWALEWSKI R; HOWARD R; VONKROGH J; KROLL J; KYBERD P; LAFFERTY GD; LAFOUX H; LAHMANN R; LAUBER J; LAYTER JG; LEBLANC P; LEDU P; LEE AM; LEFEBVRE E; LEHTO MH; LELLOUCH D; LEROY C; LETTS J; LEVINSON L; LI Z; LLOYD SL; LOEBINGER FK; LONG GD; LORAZO B; LOSTY MJ; KOU XC; LUDWIG J; LUIG A; MANNELLI M; MARCELLINI S; MARKUS C; MARTIN AJ; MARTIN JP; MASHIMO T; MATTIG P; MAUR U; MCKENNA J; MCMAHON TJ; MCNUTT JR; MEIJERS F; MERRITT FS; MES H; MICHELINI A; MIDDLETON RP; MIKENBERG G; MILDENBERGER J; MILLER DJ; MIR R; MOHR W; MOISAN C; MONTANARI A; MORI T; MORII M; MULLER U; NELLEN B; NGUYEN HH; ONEALE SW; OAKHAM FG; ODORICI F; OGREN HO; ORAM CJ; OREGLIA MJ; ORITO S; PANSART JP; PASCHIEVICI P; PATRICK GN; PEARCE MJ; PFISTER P; PILCHER JE; PINFOLD J; PITMAN D; PLANE DE; POFFENBERGER P; POLI B; PRITCHARD TW; PRZYSIEZNIAK H; QUAST G; REDMOND MW; REES DL; RICHARDS GE; RISON M; ROBINS SA; ROBINSON D; ROLLNIK A; RONEY JM; ROS E; ROSSBERG S; ROSSI AM; ROSVICK M; ROUTENBURG P; RUNGE K; RUNOLFSSON O; RUST DR; SASAKI M; SBARRA C; SCHAILE AD; SCHAILE O; SCHARF F; SCHARFFHANSEN P; SCHENK P; SCHMITT B; VONDERSCHMITT H; SCHRODER M; SCHULTZCOULON HC; SCHUTZ P; SCHULZ M; SCHWICK C; SCHWIENING J; SCOTT WG; SETTLES M; SHEARS TG; SHEN BC; SHEPHERDTHEMISTOCLEOUS CH; SHERWOOD P; SIROLI GP; SKILLMAN A; SKUJA A; SMITH AM; SMITH TJ; SNOW GA; SOBIE R; SPRINGER RW; SPROSTON M; STAHL A; STEGMANN C; STEPHENS K; STEUERER J; STROHMER R; STROM D; TAKEDA H; TAREM S; TECCHIO M; TEIXEIRADIAS P; TESCH N; THOMSON MA; TORRENTELUJAN E; TOWERS S; TRESILIAN NJ; TSUKAMOTO T; TURNER MF; VANDENPLAS D; VANKOOTEN R; VANDALEN GJ; VASSEUR G; VINCTER M; WAGNER A; WAGNER DL; WAHL C; WARD CP; WARD DR; WARD JJ; WATKINS PM; WATSON AT; WATSON NK; WEBER P; WELLS PS; WERMES N; WILKENS B; WILSON GW; WILSON JA; WINTERER VH; WLODEK T; WOLF G; WOTTON S; WYATT TR; YAARI R; YEAMAN A; YEKUTIELI G; YURKO M; ZEUNER W; ZORN GT;
Indirizzi:
UNIV MANCHESTER,SCHUSTER LAB,DEPT PHYS MANCHESTER M13 9PL LANCS ENGLAND UNIV BIRMINGHAM,SCH PHYS & SPACE RES BIRMINGHAM B15 2TT W MIDLANDS ENGLAND UNIV BOLOGNA,DIPARTIMENTO FIS I-40126 BOLOGNA ITALY UNIV BONN,INST PHYS D-53115 BONN GERMANY UNIV CALIF RIVERSIDE,DEPT PHYS RIVERSIDE CA 92521 UNIV CAMBRIDGE,CAVENDISH LAB CAMBRIDGE CB3 0HE ENGLAND CARLETON UNIV,DEPT PHYS OTTAWA K1S 5B6 ONTARIO CANADA CARLETON UNIV,CTR RES PARTICLE PHYS OTTAWA K1S 5B6 ONTARIO CANADA TRIUMF VANCOUVER V6T 2A3 BC CANADA CERN,EUROPEAN ORG PARTICLE PHYS CH-1211 GENEVA 23 SWITZERLAND UNIV CHICAGO,ENRICO FERMI INST CHICAGO IL 60637 UNIV CHICAGO,DEPT PHYS CHICAGO IL 60637 ALBERT LUDWIGS UNIV,FAK PHYS D-79104 FREIBURG GERMANY UNIV HEIDELBERG,INST PHYS D-69120 HEIDELBERG GERMANY INDIANA UNIV,DEPT PHYS BLOOMINGTON IN 47405 UNIV LONDON,QUEEN MARY & WESTFIELD COLL LONDON E1 4NS ENGLAND BIRBECK COLL LONDON WC1E 7HV ENGLAND UNIV LONDON UNIV COLL LONDON WC1E 6BT ENGLAND UNIV MARYLAND,DEPT PHYS COLLEGE PK MD 20742 UNIV MONTREAL,PHYS NUCL LAB MONTREAL H3C 3J7 QUEBEC CANADA UNIV OREGON,DEPT PHYS EUGENE OR 97403 RUTHERFORD APPLETON LAB DIDCOT OX11 0QX OXON ENGLAND DAPNIA,SPP F-91191 GIF SUR YVETTE FRANCE TECHNION ISRAEL INST TECHNOL,DEPT PHYS IL-32000 HAIFA ISRAEL TEL AVIV UNIV,DEPT PHYS & ASTRON IL-69978 TEL AVIV ISRAEL UNIV TOKYO,INT CTR ELEMENTARY PARTICLE PHYS TOKYO 113 JAPAN UNIV TOKYO,DEPT PHYS TOKYO 113 JAPAN BRUNEL UNIV UXBRIDGE UB8 3PH MIDDX ENGLAND WEIZMANN INST SCI,DEPT PARTICLE PHYS IL-76100 REHOVOT ISRAEL UNIV HAMBURG,DESY,INST EXPTL PHYS D-22607 HAMBURG GERMANY UNIV VICTORIA,DEPT PHYS VICTORIA V8W 3P6 BC CANADA UNIV BRITISH COLUMBIA,DEPT PHYS VANCOUVER V6T 1Z1 BC CANADA UNIV ALBERTA,DEPT PHYS EDMONTON T6G 2J1 ALBERTA CANADA DUKE UNIV,DEPT PHYS DURHAM NC 27708 UNIV AACHEN,INST PHYS 3 D-52056 AACHEN GERMANY
Titolo Testata:
Zeitschrift fur Physik. C, Particles and fields
fascicolo: 2, volume: 63, anno: 1994,
pagine: 197 - 211
SICI:
0170-9739(1994)63:2<197:QSUACJ>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
LUND MONTE-CARLO; OPAL EXPERIMENT; (P)OVER-BAR-P COLLISIONS; QUANTUM CHROMODYNAMICS; LEADING ORDER; ANNIHILATION; FRAGMENTATION; DETECTOR; EVENTS; SIMULATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
46
Recensione:
Indirizzi per estratti:
Citazione:
R. Akers et al., "QCD STUDIES USING A CONE-BASED JET FINDING ALGORITHM FOR E- COLLISIONS AT LEP(E)", Zeitschrift fur Physik. C, Particles and fields, 63(2), 1994, pp. 197-211

Abstract

We describe a cone-based jet finding algorithm (similar to that used in ppBAR experiments), which we have applied to hadronic events recorded using the OPAL detector at LEP. Comparisons are made between jets defined with the cone algorithm and jets found by the ''JADE- and ''Durham'' jet finders usually used in e+e-experiments. Measured jet rates,as a function of the cone size and as a function of the minimum jet energy, have been compared with O(alpha(s)2) QCD calculations, from which two complementary measurements of alpha(s)(M(Zo)) have been made. The results are alpha(s)(M(zo))=0.116+/-0.008 and alpha(s)(M(zo))=0.119/-0.008 respectively, where the errors include both experimental and theoretical uncertainties. Measurements are presented of the energy flow inside jets defined using the cone algorithm, and compared with equivalent data from ppBAR interactions, reported by the CDF collaboration. We find that the jets in e+e- are significantly narrower than thoseobserved in ppBAR. The main contribution to this effect appears to arise from differences between quark- and gluon-induced jets.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 03:36:04