SEARCH FOR CP VIOLATION IN Z-]TAU-TAU

Buskulic, D; Decamp, D; Goy, C; Lees, Jp; Minard, Mn; Mours, B; Alemany, R; Ariztizabal, F; Comas, P; Crespo, Jm; Delfino, M; Fernandez, E; Gaitan, V; Garrido, L; Mattison, T; Pacheco, A; Pascual, A; Creanza, D; Depalma, M; Farilla, A; Iaselli, G; Maggi, G; Maggi, M; Natali, S; Nuzzo, S; Quattromini, M; Ranieri, A; Raso, G; Romano, F; Ruggieri, F; Selvaggi, G; Silvestris, L; Tempesta, P; Zito, G; Hu, H; Huang, D; Huang, X; Lin, J; Lou, J; Qiao, C; Wang, T; Xie, Y; Xu, D; Xu, R; Zhang, J; Zhao, W; Bauerdick, Lat; Blucher, E; Bonvicini, G; Bossi, F; Boudreau, J; Casper, D; Drevermann, H; Forty, Rw; Ganis, G; Gay, C; Hagelberg, R; Harvey, J; Haywood, S; Hilgart, J; Jacobsen, R; Jost, B; Knobloch, J; Lancon, E; Lehraus, I; Lohse, T; Lusiani, Alberto; Martinez, M; Mato, P; Meinhard, H; Minten, A; Miquel, R; Moser, Hg; Palazzi, P; Perlas, Ja; Pusztaszeri, Jf; Ranjard, F; Redlinger, G; Rolandi, Luigi; Rothberg, J; Ruan, T; Saich, M; Schlatter, D; Schmelling, M; Sefkow, F; Tejessy, W; Wachsmuth, H; 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doi:10.1016/0370-2693(92)91285-H

Using the 18.8 pb-1 of data accumulated at LEP in 1990 and 1991 with the ALEPH detector, a direct test of neutral current CP-invariance is performed by a search for CP-odd correlations in Z decays to tau pairs where both tau decay modes are identified. No evidence for CP-violation is observed. The weak dipole moment of the tau has been measured to be d(tau)(m(Z)) = (1.3 +/- 1.4 +/- 0.1) x 10(-17)e.cm which results in an upper timit on the weak dipole moment of \d(tau)(m(Z))\ less-than-or-equal-to 3.7 x 10(-17)e.cm with 95% confidence level.

Titolo:	SEARCH FOR CP VIOLATION IN Z-]TAU-TAU
Autori:	BUSKULIC D DECAMP D GOY C LEES JP MINARD MN MOURS B ALEMANY R ARIZTIZABAL F COMAS P CRESPO JM DELFINO M FERNANDEZ E GAITAN V GARRIDO L MATTISON T PACHECO A PASCUAL A CREANZA D DEPALMA M FARILLA A IASELLI G MAGGI G MAGGI M NATALI S NUZZO S QUATTROMINI M RANIERI A RASO G ROMANO F RUGGIERI F SELVAGGI G SILVESTRIS L TEMPESTA P ZITO G HU H HUANG D HUANG X LIN J LOU J QIAO C WANG T XIE Y XU D XU R ZHANG J ZHAO W BAUERDICK LAT BLUCHER E BONVICINI G BOSSI F BOUDREAU J CASPER D DREVERMANN H FORTY RW GANIS G GAY C HAGELBERG R HARVEY J HAYWOOD S HILGART J JACOBSEN R JOST B KNOBLOCH J LANCON E LEHRAUS I LOHSE T LUSIANI, Alberto MARTINEZ M MATO P MEINHARD H MINTEN A MIQUEL R MOSER HG PALAZZI P PERLAS JA PUSZTASZERI JF RANJARD F REDLINGER G ROLANDI, LUIGI ROTHBERG J RUAN T SAICH M SCHLATTER D SCHMELLING M SEFKOW F TEJESSY W WACHSMUTH H WIEDENMANN W WILDISH T WITZELING W WOTSCHACK J AJALTOUNI Z BADAUD F BARDADINOTWINOWSKA M BENCHEIKH AM ELFELLOUS R FALVARD A GAY P GUICHENEY C HENRARD P JOUSSET J MICHEL B MONTRET JC PALLIN D PERRET P PIETRZYK B PRORIOL J PRULHIERE F STIMPFL G FEARNLEY T HANSEN JD HANSEN JR HANSEN PH MOLLERUD R NILSSON BS EFTHYMIOPOULOS I KYRIAKIS A SIMOPOULOU E VAYAKI A ZACHARIADOU K BADIER J BLONDEL A BONNEAUD G BRIENT JC FOUQUE G ORTEU S ROSOWSKY A ROUGE A RUMPF M TANAKA R VERDERI M VIDEAU H CANDLIN DJ PARSONS MI VEITCH E MONETA L PARRINI G CORDEN M GEORGIOPOULOS C IKEDA M LANNUTTI J LEVINTHAL D MERMIKIDES M SAWYER L WASSERBAECH S ANTONELLI A BALDINI R BENCIVENNI G BOLOGNA G CAMPANA P CAPON G CERUTTI F CHIARELLA V DETTORREPIAZZOLI B FELICI G LAURELLI P MANNOCCHI G MURTAS F MURTAS GP PASSALACQUA L PEPEALTARELLI M PICCHI P ALTOON B BOYLE O COLRAIN P TENHAVE I LYNCH JG MAITLAND W MORTON WT RAINE C SCARR JM SMITH K THOMPSON AS TURNBULL RM BRANDL B BRAUN O FISCHER T GEWENIGER C HANKE P HEPP V KLUGE EE MAUMARY Y PUTZER A RENSCH B STAHL A TITTEL K WUNSCH M BELK AT BEUSELINCK R BINNIE DM CAMERON W CATTANEO M COLLING DJ DORNAN PJ DUGEAY S GREENE AM HASSARD JF LIESKE NM NASH J PATTON SJ PAYNE DG PHILLIPS MJ SEDGBEER JK TOMALIN IR WRIGHT AG KNERINGER E KUHN D RUDOLPH G BOWDERY CK BRODBECK TJ FINCH AJ FOSTER F HUGHES G JACKSON D KEEMER NR NUTTALL M PATEL A SLOAN T SNOW SW WHELAN EP KLEINKNECHT K RAAB J RENK B SANDER HG SCHMIDT H STEEG F WALTHER SM WOLF B AUBERT JJ BENCHOUK C BONISSENT A CARR J COYLE P DRINKARD J ETIENNE F PAPALEXIOU S PAYRE P QIAN Z ROOS L ROUSSEAU D SCHWEMLING P TALBY M ADLUNG S BAUER C BLUM W BROWN D CATTANEO P COWAN G DEHNING B DIETL H DYDAK F FERNANDEZBOSMAN M FRANK M HALLEY AW LAUBER J LUTJENS G LUTZ G MANNER W RICHTER R ROTSCHEIDT H SCHRODER J SCHWARZ AS SETTLES R SEYWERD H STIERLIN U STIEGLER U STDENIS R TAKASHIMA M THOMAS J WOLF G BOUCROT J CALLOT O CORDIER A DAVIER M GRIVAZ JF HEUSSE P JAFFE DE JANOT P KIM DW LEDIBERDER F LEFRANCOIS J LUTZ AM SCHUNE MH VEILLET JJ VIDEAU I ZHANG Z ABBANEO D AMENDOLIA SR BAGLIESI G BATIGNANI G BOSISIO L BOTTIGLI U BOZZI C BRADASCHIA C CARPINELLI M CIOCCI MA DELLORSO R FERRANTE I FIDECARO F FOA L FOCARDI E FORTI F GIASSI A GIORGIZ MA LIGABUE, FRANCO MANNELLI EB MARROCCHESI PS MESSINEO A PALLA F RIZZO G SANGUINETTI G SPAGNOLO P STEINBERGER J TENCHINI R TONELLI G TRIGGIANI G VANNINI C VENTURI A VERDINI PG WALSH J CARTER JM GREEN MG MARCH PV MIR LM MEDCALF T QUAZI IS STRONG JA WEST LR BOTTERILL DR CLIFFT RW EDGECOCK TR EDWARDS M FISHER SM JONES TJ NORTON PR SALMON DP THOMPSON JC BLOCHDEVAUX B COLAS P DUARTE H KOZANECKI W LEMAIRE MC LOCCI E LOUCATOS S MONNIER E PEREZ P PERRIER F RANDER J RENARDY JF ROUSSARIE A SCHULLER JP SCHWINDLING J MOHAND DS VALLAGE B JOHNSON RP LITKE AM TAYLOR G WEAR J ASHMAN JG BABBAGE W BOOTH CN BUTTAR C CARNEY RE CARTWRIGHT S COMBLEY F HATFIELD F REEVES P THOMPSON LF BARBERIO E BOHRER A BRANDT S GRUPEN C MIRABITO L RIVERA F SCHAFER U GIANNINI G GOBBO B RAGUSA F BELLANTONI L CHEN W CINABRO D CONWAY JS COWEN DF FENG Z FERGUSON DPS GAO YS GRAHL J HARTON JL JARED RC LECLAIRE BW LISHKA C PAN YB PATER JR SAADI Y SHARMA V SCHMITT M SHI ZH WALSH AM WEBER FV WHITNEY MH WU SL WU X ZOBERNIG G RI Perrier Frederic/A 5953 2011 ANTONELLI ANTONELLA/C 6238 2011 Buttar Craig/D 3706 2011 Stahl Achim/E 8846 2011 Passalacqua Luca/F 5127 2011 Murtas Fabrizio/B 5729 2012 S.t. Denis Richard/C 8997 2012 Forti Francesco/H 3035 2011 Ferrante Isidoro/F 1017 2012 mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	1992
Rivista:	PHYSICS LETTERS. SECTION B
Digital Object Identifier (DOI):	http://dx.doi.org/10.1016/0370-2693(92)91285-H
Handle:	http://hdl.handle.net/11384/3609
Appare nelle tipologie:	1.1 Articolo in rivista

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