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Measurement of the forward-backward asymmetry of e(+)e(-)-]Z-]B(B)over-bar using prompt leptons and a lifetime tag

Title:	Measurement of the forward-backward asymmetry of e(+)e(-)-]Z-]B(B)over-bar using prompt leptons and a lifetime tag
Authors:	ABREU P; ADAM W; ADYE T; AGASI E; AJINENKO I; ALEKSAN R; ALEKSEEV GD; ALLPORT PP; ALMEHED S; ALMEIDA FML; ALVSVAGG SJ; AMALDI U; ANDREAZZA A; ANTILOGUS P; APEL WD; APSIMON RJ; ARNOUD Y; ASMAN B; AUGUSTIN JE; AUGUSTINUS A; BAILLON P; BAMBADE P; BARAO F; BARATE R; BARBIELLINI G; BARDIN DY; BARKER GJ; BARONCELLI A; BARRING O; BARRIO JA; BARTL W; BATES MJ; BATTAGLIA M; BAUBILLIER M; BAUDOT J; BECKS KH; BEGALLI M; BEILLIERE P; BELOKOPYTOV Y; BELTRAN P; BENVENUTI AC; BERGGREN M; BERTRAND D; BIANCHI F; BIGI M; BILENKY MS; BILLOIR P; BJARNE J; BLOCH D; BLYTH S; BOCCI V; BOGOLUBOV PN; BOLOGNESE T; BONESINI M; BONIVENTO W; BOOTH PSL; BORISOV G; BOSIO C; BOSTJANCIC B; BOSWORTH S; BOTNER O; BOUQUET B; BOURDARIOS C; BOWCOCK TJV; BOZZO M; BRAIBANT S; BRANCHINI P; BRAND KD; BRENNER RA; BRIAND H; BRICMAN C; BRILLAULT L; BROWN RCA; BRUCKMAN P; BRUNET JM; BUGGE L; BURAN T; BUYS A; CALVI M; ROZAS AJC; CAMPION R; CAMPORESI T; CANALE V; CANKOCAK K; CAO F; CARENA F; CARRILHO P; CARROLL L; CASES R; CASO C; CASSIO V; GIMENEZ MVC; CATTAI A; CAVALLO FR; CERRITO L; CHABAUD V; CHAN A; CHARPENTIER P; CHAUSSARD L; CHAUVEAU J; CHECCHIA P; CHELKOV GA; CHLIAPNIKOV P; CHOROWICZ V; CHRIN JTM; CINDRO V; COLLINS P; CONTRERAS JL; CONTRI R; CORTINA E; COSME G; COSSUTTI F; COUCHOT F; CRAWLEY HB; CRENNELL D; CROSETTI G; MAESTRO JC; CZELLAR S; DAHLJENSEN E; DAHM J; DALMAGNE B; DAM M; DAMGAARD G; DAUBIE E; DAUM A; DAUNCEY PD; DAVENPORT M; DAVIES J; DASILVA W; DEFOIX C; DELLARICCA G; DELPIERRE P; DEMARIA N; DEANGELIS A; DEBOECK H; DEBOER W; DEBRABANDERE S; DECLERCQ C; LASO MDMF; DELAVAISSIERE C; DELOTTO B; DEMIN A; DEPAULA L; DESAINTJEAN C; DIJKSTRA H; DICIACCIO L; DJAMA F; DOLBEAU J; DONSZELMANN M; DOROBA K; DRACOS M; DREES J; DRIS M; DUFOUR Y; DUPONT F; EDSALL D; EHRET R; EKELOF T; EKSPONG G; ELSING M; ENGEL JP; ERSHAIDAT N; SANTO ME; FASSOULIOTIS D; FEINDT M; FERRER A; FILIPPAS TA; FIRESTONE A; FOETH H; FOKITIS E; FONTANELLI F; FORMENTI F; FOUSSET JL; FRANEK B; FRENKIEL P; FRIES DC; FRODESEN AG; FRUHWIRTH R; FULDAQUENZER F; FURSTENAU H; FUSTER J; GAMBA D; GANDELMAN M; GARCIA C; GARCIA J; GASPAR C; GASPARINI U; GAVILLET P; GAZIS EN; GELE D; GERBER JP; GERDYUKOV L; GILLESPIE D; GOKIELI R; GOLOB B; GOLOVATYUK VM; GOMEZ JJ; CADENAS Y; GOPAL G; GORN L; GORSKI M; GRACCO V; GRARD F; GRAZIANI E; GROSDIDIER G; GUNNARSSON P; GUY J; HAEDINGER U; HAHN F; HAHN M; HAHN S; HAIDER S; HAJDUK Z; HAKANSSON A; HALLGREN A; HAMACHER K; HAO W; HARRIS FJ; HEDBERG V; HENRIQUES R; HERNANDEZ JJ; HERNANDO JA; HERQUET P; HERR H; HESSING TL; HIGON E; HILKE HJ; HILL TS; HOLMGREN SO; HOLT PJ; HOLTHUIZEN D; HONORE PF; HOULDEN M; HRUBEC J; HUET K; HULTQVIST K; IOANNOU P; IVERSEN PS; JACKSON JN; JACOBSSON R; JALOCHA P; JARLSKOG G; JARRY P; JEANMARIE B; JOHANSSON EK; JONSSON L; JUILLOT P; KAISER M; KALMUS G; KAPUSTA F; KARLSSON M; KARVELAS E; KATSANEVAS S; KATSOUFIS EC; KERANEN R; KHOMENKO BA; KHOVANSKI NN; KING B; KJAER NJ; KLEIN H; KLOVNING A; KLUIT P; KOCHMEHRIN A; KOEHNE JH; KOENE B; KOKKINIAS P; KORATZINOS M; KORYTOV AV; KOSTIOUKHINE V; KOURKOUMELIS C; KOUZNETSOV O; KRAMER PH; KRAMMER M; KREUTER C; KROLIKOWSKI J; KRONKVIST I; KRUPINSKI W; KUCEWICZ W; KULKA K; KURVINEN K; LACASTA C; LAKTINEH I; LAMBROPOULOS C; LAMSA JW; LANCERI L; LANGEFELD P; LAPIN V; LAST I; LAUGIER JP; LAUHAKANGAS R; LEDER G; LEDROIT F; LEITNER R; LEMOIGNE Y; LEMONNE J; LENZEN G; LEPELTIER V; LEVY JM; LIEB E; LIKO D; LINDNER R; LIPNIACKA A; LIPPI I; LOERSTAD B; LOKAJICEK M; LOKEN JG; LOPEZFERNANDEZ A; AGUERA MAL; LOS M; LOUKAS D; LOZANO JJ; LUTZ P; LYONS L; MAEHLUM G; MAILLARD J; MAIO A; MALTEZOS A; MANDL F; MARCO J; MARECHAL B; MARGONI M; MARIN JC; MARIOTTI C; MARKOU A; MARON T; MARTI S; MARTINEZRIVERO C; MARTINEZVIDAL F; MATORRAS F; MATTEUZZI C; MATTHIAE G; MAZZUCATO M; MCCUBBIN M; MCKAY R; MCNULTY R; MEDBO J; MERONI C; MEYER WT; MIAGKOV A; MICHELOTTO M; MIGLIORE E; MIRABITO L; MITAROFF WA; MITSELMAKHER GV; MJOERNMARK U; MOA T; MOELLER R; MOENIG K; MONGE MR; MORETTINI P; MUELLER H; MURRAY WJ; MURYN B; MYATT G; NARAGHI F; NAVARRIA FL; NEGRI P; NEMECEK S; NEUMANN W; NEUMEISTER N; NICOLAIDOU R; NIELSEN BS; NIKOLAENKO V; NISS P; NOMEROTSKI A; NORMAND A; OBRAZTSOV V; OLSHEVSKI AG; ORAVA R; OSTERBERG K; OURAOU A; PAGANINI P; PAGANONI M; PAIN R; PALKA H; PADADOPOULOU TD; PAPE L; PARODI F; PASSERI A; PEGORARO M; PENNANEN J; PERALTA L; PERNEGGER H; PERNICKA M; PERROTTA A; PETRIDOU C; PETROLINI A; PHILLIPS HT; PIANA G; PIERRE F; PIMENTA M; PLASZCZYNSKI S; PODOBRIN O; POL ME; POLOK G; POROPAT P; POZDNIAKOV V; PRIVITERA P; PULLIA A; RADOJICIC D; RAGAZZI S; RAHMANI H; RAMES J; RATOFF PN; READ AL; REALE M; REBECCHI P; REDAELLI NG; REGLER M; REID D; RENTON PB; RESVANIS LK; RICHARD F; RICHARDSON J; RIDKY J; RINAUDO G; RIPP I; ROMERO A; RONCAGLIOLO I; RONCHESE P; ROOS L; ROSENBERG EI; ROSSO E; ROUDEAU P; ROVELLI T; RUCKSTUHL W; RUHLMANNKLEIDER V; RUIZ A; SAARIKKO H; SACQUIN Y; SAJOT G; SALT J; SANCHEZ J; SANNINO M; SCHNEIDER H; SCHYNS MAE; SCIOLLA G; SCURI F; SEGAR AM; SEITZ A; SEKULIN R; SEUFERT R; SHELLARD RC; SICCAMA I; SIEGRIST P; SIMONETTI S; SIMONETTO F; SISAKIAN AN; SKAALI TB; SMADJA G; SMIRNOV N; SMIRNOVA O; SMITH GR; SOKOLOV A; SOSNOWSKI R; SOUZASANTOS D; SPASSOV T; SPIRITI E; SQUARCIA S; STAECK H; STANESCU C; STAPNES S; STAVITSKI I; STAVROPOULOS G; STEPANIAK K; STICHELBAUT F; STOCCHI A; STRAUSS J; STRAVER J; STRUB R; STUGU B; SZCZEKOWSKI M; SZEPTYCKA M; TABARELLI T; TCHIKILEV O; THEODOSIOU GE; THOME Z; TILQUIN A; TIMMERMANS J; TIMOFEEV VG; TKATCHEV LG; TODOROV T; TOET DZ; TOMARADZE A; TOME B; TORASSA E; TORTORA L; TRANSTROMER G; TREILLE D; TRISCHUK W; TRISTRAM G; TRONCON C; TSIROU A; TSYGANOV EN; TURLUER ML; TUUVA T; TYAPKIN IA; TYNDEL M; TZAMARIAS S; UEBERSCHAER B; UEBERSCHAER S; ULLALAND O; UVAROV V; VALENTI G; VALLAZZA E; FERRER JAV; VELDE CV; VANAPELDOORN GW; VANDAM P; VANDERHEIJDEN M; VANDONINCK WK; VANELDIK J; VEGNI G; VENTURA L; VENUS W; VERBEURE F; VERLATO M; VERTOGRADOV LS; VILANOVA D; VINCENT P; VITALE L; VLASOV E; VODOPYANOV AS; VOLLMER M; VOUTILAINEN M; VRBA V; WAHLEN H; WALCK C; WEHR A; WEIERSTALL M; WEILHAMMER P; WETHERELL AM; WICKENS JH; WIELERS M; WILKINSON GR; WILLIAMS WSC; WINTER M; WITEK M; WORMSER G; WOSCHNAGG K; YIP K; YUSHCHENKO O; ZACH F; ZAITSEV A; ZALEWSKA A; ZALEWSKI P; ZAVRTANIK D; ZEVGOLATAKOS E; ZIMIN NI; ZITO M; ZONTAR D; ZUBERI R; ZUMERLE G.; CACCIA, MASSIMO; PREST, MICHELA
Contributors:	Abreu, P; Adam, W; Adye, T; Agasi, E; Ajinenko, I; Aleksan, R; Alekseev, Gd; Allport, Pp; Almehed, S; Almeida, Fml; Alvsvagg, Sj; Amaldi, U; Andreazza, A; Antilogus, P; Apel, Wd; Apsimon, Rj; Arnoud, Y; Asman, B; Augustin, Je; Augustinus, A; Baillon, P; Bambade, P; Barao, F; Barate, R; Barbiellini, G; Bardin, Dy; Barker, Gj; Baroncelli, A; Barring, O; Barrio, Ja; Bartl, W; Bates, Mj; Battaglia, M; Baubillier, M; Baudot, J; Becks, Kh; Begalli, M; Beilliere, P; Belokopytov, Y; Beltran, P; Benvenuti, Ac; Berggren, M; Bertrand, D; Bianchi, F; Bigi, M; Bilenky, M; Billoir, P; Bjarne, J; Bloch, D; Blyth, S; Bocci, V; Bogolubov, Pn; Bolognese, T; Bonesini, M; Bonivento, W; Booth, Psl; Borisov, G; Bosio, C; Bostjancic, B; Bosworth, S; Botner, O; Bouquet, B; Bourdarios, C; Bowcock, Tjv; Bozzo, M; Braibant, S; Branchini, P; Brand, Kd; Brenner, Ra; Briand, H; Bricman, C; Brillault, L; Brown, Rca; Bruckman, P; Brunet, Jm; Bugge, L; Buran, T; Buys, A; Caccia, Massimo; Calvi, M; Rozas, Ajc; Campion, R; Camporesi, T; Canale, V; Cankocak, K; Cao, F; Carena, F; Carrilho, P; Carroll, L; Cases, R; Caso, C; Cassio, V; Gimenez, Mvc; Cattai, A; Cavallo, Fr; Cerrito, L; Chabaud, V; Chan, A; Charpentier, P; Chaussard, L
Publication Year:	1995
Collection:	IRInSubria - Institutional Repository Insubria (Università degli Studi dell’Insubria)
Subject Terms:	DELPHI; forward-backward asymmetry; b-tagging; jet reconstruction
Description:	The forward-backward asymmetry of the process e(+)e(-) --> Z --> b ($) over bar b has been measured using events collected ee by the DELPHI experiment during the 1991 and 1992 LEP runs. This data sample corresponded to 884 000 hadronic Z decays at a centre-of-mass energy root s similar to M(Z). The tagging of b-quark events was performed using two approaches; the first was based on the semileptonic decay channels b --> X + mu and b --> X + e, the second used a lifetime tag with jet-charge reconstruction. The results of these two methods were combined to give A(FB)(b ($) over bar b) = 0.107 +/- 0.011(stat. + syst. + mixing). With the semileptonic sample, the forward-backward asymmetry of the process e(+)e(-) --> Z --> c ($) over bar c was also measured to be A(FB)(c ($) over bar c) = 0.083 +/- 0.022(stat.) +/- 0.016(syst.). The effective value of the Weinberg mixing angle derived from these measurements was sin(2) theta(eff)(lep) = 0.2294 +/- 0.0021.
Document Type:	article in journal/newspaper
Language:	unknown
Relation:	info:eu-repo/semantics/altIdentifier/wos/WOS:A1995QL10800002; volume:65; firstpage:569; lastpage:585; journal:ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS; https://hdl.handle.net/11383/1791221
Availability:	https://hdl.handle.net/11383/1791221
Accession Number:	edsbas.D25F2F83
Database:	BASE