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Titolo:
SEARCH FOR CHARGINO AND NEUTRALINO PRODUCTION USING THE OPAL DETECTORAT ROOT-S=130-136GEV AT LEP
Autore:
ALEXANDER G; ALLISON J; ALTEKAMP N; AMETEWEE K; ANDERSON KJ; ANDERSON S; ARCELLI S; ASAI S; AXEN D; AZUELOS G; BALL AH; BARBERIO E; BARLOW RJ; BARTOLDUS R; BATLEY JR; BEAUDOIN G; BECHTLUFT J; BEESTON C; BEHNKE T; BELL AN; BELL KW; BELLA G; BENTVELSEN S; BERLICH P; BETHKE S; BIEBEL O; BLOBEL V; BLOODWORTH IJ; BLOOMER JE; BOCK P; BOSCH HM; BOUTEMEUR M; BOUWENS BT; BRAIBANT S; BROWN RM; BURCKHART HJ; BURGARD C; BURGIN R; CAPILUPPI P; CARNEGIE RK; CARTER AA; CARTER JR; CHANG CY; CHARLESWORTH C; CHARLTON DG; CHRISMAN D; CHU SL; CLARKE PEL; COHEN I; CONBOY JE; COOKE OC; CUFFIANI M; DADO S; DALLAPICCOLA C; DALLAVALLE GM; DARLING C; DEJONG S; DELPOZO LA; DIXIT MS; SILVA ED; DUCHOVNI E; DUCKECK G; DUERDOTH IP; EDWARDS JEG; ESTABROOKS PG; EVANS HG; EVANS M; FABBRI F; FATH P; FIEDLER F; FIERRO M; FISCHER HM; FOLMAN R; FONG DG; FOUCHER M; FUKUI H; FURTJES A; GAGNON P; GAIDOT A; GARY JW; GASCON J; GASCONSHOTKIN SM; GEDDES NI; GEICHGIMBEL C; GENSLER SW; GENTIT FX; GERALIS T; GIACOMELLI G; GIACOMELLI P; GIACOMELLI R; GIBSON V; GIBSON WR; GINGRICH DM; GOLDBERG J; GOODRICK MJ; GORN W; GRANDI C; GROSS E; GRUWE M; HAJDU C; HANSON GG; HANSROUL M; HAPKE M; HARGROVE CK; HART PA; HARTMANN C; HAUSCHILD M; HAWKES CM; HAWKINGS R; HEMINGWAY RJ; HERTEN G; HEUER RD; HILDRETH MD; HILL JC; HILLIER SJ; HILSE T; HOBSON PR; HOMER RJ; HONMA AK; HORVATH D; HOWARD R; HUGHESJONES RE; HUTCHCROFT DE; IGOKEMENES P; IMRIE DC; INGRAM MR; JAWAHERY A; JEFFREYS PW; JEREMIE H; JIMACK M; JOLY A; JONES G; JONES M; JONES RWL; JOST U; JOVANOVIC P; KANZAKI J; KARLEN D; KAWAMOTO T; KEELER RK; KELLOGG RG; KENNEDY BW; KING J; KIRK J; KLUTH S; KOBAYASHI T; KOBEL M; KOETKE DS; KOKOTT TP; KOMAMIYA S; KOWALEWSKI R; KRESS T; KRIEGER P; VONKROGH J; KYBERD P; LAFFERTY GD; LAFOUX H; LAHMANN R; LAI WP; LANSKE D; LAUBER J; LAYTER JG; LEE AM; LEFEBVRE E; LELLOUCH D; LETTS J; LEVINSON L; LEWIS C; LLOYD SL; LOEBINGER FK; LONG GD; LORAZO B; LOSTY MJ; LUDWIG J; LUIG A; MALIK A; MANNELLI M; MARCELLINI S; MARKUS C; MARTIN AJ; MARTIN JP; MARTINEZ G; MASHIMO T; MATTHEWS W; MATTIG P; MCDONALD WJ; MCKENNA J; MCKIGNEY EA; MCMAHON TJ; MCNAB AI; MEIJERS F; MENKE S; MERRITT FS; MES H; MEYER J; MICHELINI A; MIKENBERG G; MILLER B; MIR R; MOHR W; MONTANARI A; MORI T; MORII M; MULLER U; NELLEN B; NIJJHAR B; NISIUS R; ONEALE SW; OAKHAM FG; ODORICI F; OGREN HO; OMORI T; OREGLIA MJ; ORITO S; PALAZZO M; PALINKAS J; PALMONARI FM; PANSART JP; PASZTOR G; PATER JR; PATRICK GN; PEARCE MJ; PETZOLD S; PILCHER JE; PINFOLD J; PLANE DE; POFFENBERGER P; POLI B; POSTHAUS A; PRZYSIEZNIAK H; REES DL; RIGBY D; RISON MG; ROBINS SA; RODNING N; RONEY JM; ROOKE A; ROS E; ROSSI AM; ROSVICK M; ROUTENBURG P; ROZEN Y; RUNGE K; RUNOLFSSON O; RUST DR; RYLKO R; SARKISYAN EKG; SASAKI M; SBARRA C; SCHAILE AD; SCHAILE O; SCHARF F; SCHARFFHANSEN P; SCHENK P; SCHMITT B; SCHRODER M; SCHULTZCOULON HC; SCHULZ M; SCHUTZ P; SCHWIENING J; SCOTT WG; SHEARS TG; SHEN BC; SHEPHERDTHEMISTOCLEOUS CH; SHERWOOD P; SIROLI GP; SITTLER A; SKILLMAN A; SKUJA A; SMITH AM; SMITH TJ; SNOW GA; SOBIE R; SOLDNERREMBOLD S; SPRINGER RW; SPROSTON M; STAHL A; STARKS M; STEPHENS K; STEUERER J; STOCKHAUSEN B; STROM D; STRUMIA F; SZYMANSKI P; TAFIROUT R; TAKEDA H; TARAS P; TAREM S; TECCHIO M; TESCH N; THIERGEN M; THOMSON MA; VONTORNE E; TOWERS S; TSCHEULIN M; TSUR E; TURCOT AS; TURNERWATSON MF; UTZAT P; VANKOOTEN R; VASSEUR G; VERZOCCHI M; VIKAS P; VINCTER M; VOKURKA EH; WACKERLE F; WAGNER A; WARD CP; WARD DR; WARD JJ; WATKINS PM; WATSON AT; WATSON NK; WEBER P; WELLS PS; WERMES N; WHITE JS; WILKENS B; WILSON GW; WILSON JA; WLODEK T; WOLF G; WOTTON S; WYATT TR; XELLA S; YAMASHITA S; YEKUTIELI G; YOSHIMURA K; ZACEK V;
Indirizzi:
TEL AVIV UNIV,DEPT PHYS & ASTRON IL-69978 TEL AVIV ISRAEL TECHNION ISRAEL INST TECHNOL,DEPT PHYS IL-32000 HAIFA ISRAEL UNIV TOKYO,DEPT PHYS TOKYO 113 JAPAN UNIV TOKYO,INT CTR ELEMENTARY PARTICLE PHYS TOKYO 113 JAPAN KOBE UNIV KOBE 657 JAPAN BRUNEL UNIV UXBRIDGE UB8 3PH MIDDX ENGLAND WEIZMANN INST SCI,PARTICLE PHYS DEPT IL-76100 REHOVOT ISRAEL UNIV HAMBURG,DESY,INST EXPTL PHYS 2 D-22607 HAMBURG GERMANY UNIV VICTORIA,DEPT PHYS VICTORIA BC V8W 3P6 CANADA UNIV BRITISH COLUMBIA,DEPT PHYS VANCOUVER BC V6T 1Z1 CANADA UNIV ALBERTA,DEPT PHYS EDMONTON AB T6G 2J1 CANADA DUKE UNIV,DEPT PHYS DURHAM NC 27708 RES INST PARTICLE & NUCL PHYS H-1525 BUDAPEST HUNGARY INST NUCL RES H-4001 DEBRECEN HUNGARY UNIV BIRMINGHAM,SCH PHYS & SPACE RES BIRMINGHAM B15 2TT W MIDLANDS ENGLAND UNIV BOLOGNA,DIPARTIMENTO FIS I-40126 BOLOGNA ITALY IST NAZL FIS NUCL 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 CARLETON INST PHYS OTTAWA ON K1S 5B6 CANADA CERN,EUROPEAN ORG PARTICLE PHYS CH-1211 GENEVA 23 SWITZERLAND UNIV CHICAGO,DEPT PHYS CHICAGO IL 60637 UNIV CHICAGO,ENRICO FERMI INST CHICAGO IL 60637 UNIV FREIBURG,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 RHEIN WESTFAL TH AACHEN,INST PHYS 3 D-52056 AACHEN GERMANY UNIV LONDON UNIV COLL LONDON WC1E 6BT ENGLAND UNIV MANCHESTER,DEPT PHYS,SCHUSTER LAB MANCHESTER M13 9PL LANCS ENGLAND UNIV MARYLAND,DEPT PHYS COLLEGE PK MD 20742 UNIV MONTREAL,PHYS NUCL LAB MONTREAL PQ H3C 3J7 CANADA UNIV OREGON,DEPT PHYS EUGENE OR 97403 RUTHERFORD APPLETON LAB DIDCOT OX11 0QX OXON ENGLAND CEA,DAPNIA,SPP F-91191 GIF SUR YVETTE FRANCE TRIUMF VANCOUVER BC V6T 2A3 CANADA LAJOS KOSSUTH UNIV,DEPT EXPT PHYS DEBRECEN HUNGARY UNIV MUNICH MUNICH GERMANY
Titolo Testata:
Physics letters. Section B
fascicolo: 1-3, volume: 377, anno: 1996,
pagine: 181 - 194
SICI:
0370-2693(1996)377:1-3<181:SFCANP>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
SUPERSYMMETRIC PARTICLES; E+E COLLISIONS; Z0 DECAYS; STANDARD MODEL; MASS LIMITS; PHYSICS; SUPERGRAVITY; BREAKING; PAIRS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
38
Recensione:
Indirizzi per estratti:
Citazione:
G. Alexander et al., "SEARCH FOR CHARGINO AND NEUTRALINO PRODUCTION USING THE OPAL DETECTORAT ROOT-S=130-136GEV AT LEP", Physics letters. Section B, 377(1-3), 1996, pp. 181-194

Abstract

A search for charginos and neutralinos, predicted by supersymmetric theories, has been performed using a data sample of 2.6 pb(-1) at a centre-of-mass energy of root s = 130 GeV and 2.6 pb(-1) at 136 GeV collected with the OPAL detector at LEP during November 1995. No candidate events were observed. The 95% C.L. lower limit on the lightest chargino mass in the Minimal Supersymmetric Standard Model is 65.4 GeV if theuniversal scalar mass m(o) is greater than 1 TeV, and 58.7 GeV for the smallest m(o) compatible with slepton and sneutrino mass limits obtained at centre-of-mass energies near the Z peak. These limits were obtained under the conditions that the lightest chargino is heavier than the lightest neutralino by more than 10 GeV and tan beta is larger than 1.5. The results of a model independent search for charginos and neutralinos are also given.

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Documento generato il 05/12/20 alle ore 07:04:23