THE FORWARD-BACKWARD ASYMMETRY FOR CHARM QUARKS AT THE Z-POLE

Buskulic, D; Casper, D; Debonis, I; Decamp, D; Ghez, P; Goy, C; Lees, Jp; Minard, Mn; Odier, P; Pietrzyk, B; Ariztizabal, F; Chmeissani, M; Crespo, Jm; Efthymiopoulos, I; Fernandez, E; Fernandezbosman, M; Gaitan, V; Garrido, Li; Martinez, M; Orteu, S; Pacheco, A; Padilla, C; Palla, F; Pascual, A; Perlas, Ja; Sanchez, F; Teubert, F; Creanza, D; Depalma, M; Farilla, A; Girone, M; Iaselli, G; Maggi, F; Marinelli, N; Natali, S; Nuzzo, S; Ranieri, A; Raso, G; Romano, F; Ruggieri, F; Selvaggi, G; Silvestris, L; Tempesta, P; Zito, G; Huang, X; Lin, J; Ouyang, Q; Wang, T; Xie, Y; Xu, R; Xue, S; Zhang, J; Zhang, L; Zhao, W; Bonvicini, G; Cattaneo, M; Comas, P; Coyle, P; Drevermann, H; Engelhardt, A; Forty, Rw; Frank, M; Hagelberg, R; Harvey, J; Jacobsen, R; Janot, P; Jost, B; Knobloch, J; Lehraus, I; Maggi, M; Markou, C; Martin, Eb; Mato, P; Meinhard, H; Minten, A; Miquel, R; Oest, T; Palazzi, P; Pater, Jr; Pusztaszeri, Jf; Ranjard, F; Rensing, P; Rolandi, Luigi; Schlatter, D; Schmelling, M; Schneider, O; 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Emery, S; Kozanecki, W; Lancon, E; Lemaire, Mc; Locci, E; Marx, B; Perez, P; Rander, J; Renardy, Jf; Rosowsky, A; Roussarie, A; Schuller, Jp; Schwindling, J; Mohand, Ds; Trabelsi, A; Vallage, B; Johnson, Ro; Kim, Hy; Litke, Am; Mcneil, Ma; Taylor, G; Beddall, A; Booth, Cn; Boswell, R; Cartwright, S; Combley, F; Dawson, I; Koksal, A; Letho, M; Newton, Wm; Rankin, C; Thompson, Lf; Bohrer, A; Brandt, S; Cowan, G; Feigl, E; Grupen, C; Lutters, G; Minguetrodriguez, J; Rivera, F; Saraiva, P; Smolik, L; Stephan, F; Bosisio, L; Dellamarina, R; Ganis, G; Giannini, G; Gobbo, B; Pitis, L; Ragusa, F; Rothberg, J; Wasserbaech, S; Armstrong, Sr; Bellantoni, L; Elmer, P; Feng, Z; Ferguson, Dps; Gao, Ys; Gonzalez, S; Grahl, J; Harton, Jl; Hayes, Oj; Hu, H; Mcnamara, Pa; Nachtman, Jm; Orejudos, W; Pan, Yb; Saadi, Y; Schmitt, M; Scott, Ij; Sharma, V; Turk, Jd; Walsh, Am; Weber, Fv; Wu, Sl; Wu, X; Yamartino, Jm; Zheng, M; Zobernig, G; Denis Richard/C 8997 2012 Ferrante Isidoro/F 1017 2012 Sanchez Federico/F 5809 2012, RI ANTONELLI ANTONELLA/C 6238 2011 Passalacqua Luca/F 5127 2011 Murtas Fabrizio/B 5729 2012 S. t.

doi:10.1016/0370-2693(95)00519-Q

From 1.4 million hadronic Z decays collected by the ALEPH detector at LEP, an enriched sample of Z --> c $$($) over bar c events is extracted by requiring the presence of a high momentum D*(+/-). The charm quark forward-backward charge asymmetry at the Z pole is measured to be A(FB)(0,c) = (8.0 +/- 2.4)% corresponding to an effective electroweak mixing angle of sin(2) theta(W)(eff) = 0.2302 +/- 0.0054.

Titolo:	THE FORWARD-BACKWARD ASYMMETRY FOR CHARM QUARKS AT THE Z-POLE
Autori:	BUSKULIC D CASPER D DEBONIS I DECAMP D GHEZ P GOY C LEES JP MINARD MN ODIER P PIETRZYK B ARIZTIZABAL F CHMEISSANI M CRESPO JM EFTHYMIOPOULOS I FERNANDEZ E FERNANDEZBOSMAN M GAITAN V GARRIDO LI MARTINEZ M ORTEU S PACHECO A PADILLA C PALLA F PASCUAL A PERLAS JA SANCHEZ F TEUBERT F CREANZA D DEPALMA M FARILLA A GIRONE M IASELLI G MAGGI F MARINELLI N NATALI S NUZZO S RANIERI A RASO G ROMANO F RUGGIERI F SELVAGGI G SILVESTRIS L TEMPESTA P ZITO G HUANG X LIN J OUYANG Q WANG T XIE Y XU R XUE S ZHANG J ZHANG L ZHAO W BONVICINI G CATTANEO M COMAS P COYLE P DREVERMANN H ENGELHARDT A FORTY RW FRANK M HAGELBERG R HARVEY J JACOBSEN R JANOT P JOST B KNOBLOCH J LEHRAUS I MAGGI M MARKOU C MARTIN EB MATO P MEINHARD H MINTEN A MIQUEL R OEST T PALAZZI P PATER JR PUSZTASZERI JF RANJARD F RENSING P ROLANDI, LUIGI SCHLATTER D SCHMELLING M SCHNEIDER O TEJESSY W TOMALIN IR VENTURI A WACHSMUTH H WIEDENMANN W WILDISH T WITZELING W WOTSCHACK J AJALTOUNI Z BARDADINOTWINOWSKA M BARRES A BOYER C FALVARD A GAY P GUICHENEY C HENRARD P JOUSSET J MICHEL B MONTEIL S MONTRET JC PALLIN D PERRET P PODLYSKI F PRORIOL J ROSSIGNOL JM SAADI F FEARNLEY T HANSEN JB HANSEN JD HANSEN JR HANSEN PH NILSSON BS KYRIAKIS A SIMOPOULOU E SIOTIS I VAYAKI A ZACHARIADOU K BLONDEL A BONNEAUD G BRIENT JC BOURDON P PASSALACQUA L ROUGE A RUMPF M TANAKA R VALASSI A VERDERI M VIDEAU H CANDLIN DJ PARSONS MI FOCARDI E PARRINI G CORDEN M DELFINO M GEORGIOPOULOS C JAFFE DE ANTONELLI A BENCIVENNI G BOLOGNA G BOSSI F CAMPANA P CAPON G CERUTTI F CHIARELLA V FELICI G LAURELLI P MANNOCCHI G MURTAS F MURTAS GP PEPEALTARELLI M DORRIS SJ HALLEY AW TENHAVE I KNOWLES IG LYNCH JG MORTON WT OSHEA V RAINE C REEVES P SCARR JM SMITH K SMITH MG THOMPSON AS THOMSON F THORN S TURNBULL RM BECKER U BRAUN O GEWENIGER C GRAEFE G HANKE P HEPP V KLUGE EE PUTZER A RENSCH B SCHMIDT M SOMMER J STENZEL H TITTEL K WERNER S WUNSCH M BEUSELINCK R BINNIE DM CAMERON W COLLING DJ DORNAN PJ KONSTANTINIDIS N MONETA L MOUTOUSSI A NASH J SANMARTIN G SEDGBEER JK STACEY AM DISSERTORI G GIRTLER P KNERINGER E KUHN D RUDOLPH G BOWDERY CK BRODBECK TJ COLRAIN P CRAWFORD G FINCH AJ FOSTER F HUGHES G SLOAN T WHELAN EP WILLIAMS MI GALLA A GREENE AM KLEINKNECHT K QUAST G RAAB J RENK B SANDER HG WANKE R ZEITNITZ C AUBERT JJ BENCHEIKH AM BENCHOUK C BONISSENT A BUJOSA G CALVET D CARR J DIACONU C ETIENNE F THULASIDAS M NICOD D PAYRE P ROUSSEAU D TALBY M ABT I ASSMANN R BAUER C BLUM W BROWN D DIETL H DYDAK F GOTZHEIN C JAKOBS K KROHA H LUTJENS G LUTZ G MANNER W MOSER HG RICHTER R ROSADOSCHLOSSER A SETTLES R SEYWERD H STIERLIN U STDENIS R WOLF G ALEMANY R BOUCROT J CALLOT O CORDIER A COURAULT F DAVIER M DUFLOT L GRIVAZ JF HEUSSE P JACQUET M KIM DW LEDIBERDER F LEFRANCOIS J LUTZ AM MUSOLINO G NIKOLIC I PARK HJ PARK IC SCHUNE MH SIMION S VEILLET JJ VIDEAU I ABBANEO D AZZURRI P BAGLIESI G BATIGNANI G BETTARINI S BOZZI C CALDERINI G CARPINELLI M CIOCCI MA CIULLI V DELLORSO R FANTECHI R FERRANTE I FOA L FORTI F GIASSI A GIORGI MA GREGORIO A LIGABUE, FRANCO LUSIANI, Alberto MARROCCHESI PS MESSINEO A RIZZO G SANGUINETTI G SCIABA A SPAGNOLO P STEINBERGER J TENCHINI R TONELLI G TRIGGIANI G VANNINI C VERDINI PG WALSH J BETTERIDGE AP BLAIR GA BRYANT LM GAO Y GREEN MG JOHNSON DL MEDCALF T MIR LIM PERRODO P STRONG JA BERTIN V BOTTERILL DR CLIFFT RW EDGECOCK TR HAYWOOD S EDWARDS M MALEY P NORTON PR THOMPSON JC BLOCHDEVAUX B COLAS P DUARTE H EMERY S KOZANECKI W LANCON E LEMAIRE MC LOCCI E MARX B PEREZ P RANDER J RENARDY JF ROSOWSKY A ROUSSARIE A SCHULLER JP SCHWINDLING J MOHAND DS TRABELSI A VALLAGE B JOHNSON RO KIM HY LITKE AM MCNEIL MA TAYLOR G BEDDALL A BOOTH CN BOSWELL R CARTWRIGHT S COMBLEY F DAWSON I KOKSAL A LETHO M NEWTON WM RANKIN C THOMPSON LF BOHRER A BRANDT S COWAN G FEIGL E GRUPEN C LUTTERS G MINGUETRODRIGUEZ J RIVERA F SARAIVA P SMOLIK L STEPHAN F BOSISIO L DELLAMARINA R GANIS G GIANNINI G GOBBO B PITIS L RAGUSA F ROTHBERG J WASSERBAECH S ARMSTRONG SR BELLANTONI L ELMER P FENG Z FERGUSON DPS GAO YS GONZALEZ S GRAHL J HARTON JL HAYES OJ HU H MCNAMARA PA NACHTMAN JM OREJUDOS W PAN YB SAADI Y SCHMITT M SCOTT IJ SHARMA V TURK JD WALSH AM WEBER FV WU SL WU X YAMARTINO JM ZHENG M ZOBERNIG G RI ANTONELLI ANTONELLA/C 6238 2011 Passalacqua Luca/F 5127 2011 Murtas Fabrizio/B 5729 2012 S.t. Denis Richard/C 8997 2012 Ferrante Isidoro/F 1017 2012 Sanchez Federico/F 5809 2012 mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	1995
Rivista:	PHYSICS LETTERS. SECTION B
Abstract:	From 1.4 million hadronic Z decays collected by the ALEPH detector at LEP, an enriched sample of Z --> c $$($) over bar c events is extracted by requiring the presence of a high momentum D*(+/-). The charm quark forward-backward charge asymmetry at the Z pole is measured to be A(FB)(0,c) = (8.0 +/- 2.4)% corresponding to an effective electroweak mixing angle of sin(2) theta(W)(eff) = 0.2302 +/- 0.0054.
Handle:	http://hdl.handle.net/11384/4413
Appare nelle tipologie:	1.1 Articolo in rivista

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