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Improved measurements of electroweak parameters from Z decays into fermion pairs
Authors :
DECAMP D DESCHIZEAUX B GOY C LEES JP MINARD MN ALEMANY R CRESPO JM DELFINO M FERNANDEZ E GAITAN V GARRIDO L MIR LM PACHECO A CATANESI MG 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 GAO Y HU H HUANG D HUANG X LIN J LOU J QIAO C RUAN T WANG T XIE Y XU D XU R ZHANG J ZHAO W ATWOOD WB BAUERDICK LAT BIRD F BLUCHER E BONVICINI G BOSSI F BOUDREAU J BROWN D BURNETT TH DREVERMANN H FORTY RW GRAB C HAGELBERG R HAYWOOD S HILGART J JOST B KASEMANN M KNOBLOCH J LACOURT A LANCON E LEHRAUS I LOHSE T LUSIANI A MARCHIORO A MARTINEZ M MATO P MENARY S MINTEN A MIOTTO A MIQUEL R MOSER HG NASH J PALAZZI P RANJARD F REDLINGER G ROTH A ROTHBERG J ROTSCHEIDT H SAICH M DENIS RS SCHLATTER D TAKASHIMA M TALBY M TEJESSY W WACHSMUTH H WASSERBAECH S WHEELER S WIEDENMANN W WITZELING W WOTSCHACK J AJALTOUNI Z BARDADINOTWINOWSKA M ELFELLOUS R FALVARD A GAY P HARVEY J HENRARD P JOUSSET J MICHEL B MONTRET JC PALLIN D PERRET P PRORIOL J PRULHIERE F STIMPFL G HANSEN JD HANSEN JR HANSEN PH MOLLERUD R NILSSON BS EFTHYMIOPOULOS I SIMOPOULOU E VAYAKI A BADIER J BLONDEL A BONNEAUD G BOUROTTE J BRAEMS F BRIENT JC FOUQUE G GAMESS A GUIRLET R ORTEU S ROSOWSKY A ROUGE A RUMPF M TANAKA R VIDEAU H CANDLIN DJ VEITCH E PARRINI G CORDEN M GEORGIOPOULOS C IKEDA M LANNUTTI J LEVINTHAL D MERMIKIDES M SAWYER L 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 NICOLETTI G PASSALACQUA L PEPEALTARELLI M PICCHI P ZOGRAFOU P ALTOON B BOYLE O HALLEY AW TENHAVE I HEARNS JL LYNCH JG MORTON WT RAINE C SCARR JM SMITH K THOMPSON AS TURNBULL RM BRANDL B BRAUN O GEIGES R 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 DORNAN PJ DUGEAY S GREENE AM HASSARD JF LIESKE NM PATTON SJ PAYNE DG PHILLIPS MJ SEDGBEER JK TAYLOR G TOMALIN IR WRIGHT AG GIRTLER P KUHN D RUDOLPH G BOWDERY CK BRODBECK TJ FINCH AJ FOSTER F HUGHES G KEEMER NR NUTTALL M PATEL A ROWLINGSON BS SLOAN T SNOW SW WHELAN EP BARCZEWSKI T KLEINKNECHT K RAAB J RENK B ROEHN S SANDER HG SCHMELLING M SCHMIDT H STEEG F WALTHER SM WOLF B ALBANESE JP AUBERT JJ BENCHOUK C BERNARD V BONISSENT A COURVOISIER D ETIENNE F PAPALEXIOU S PAYRE P PIETRZYK B QIAN Z BECKER H BLUM W CATTANEO P COWAN G DEHNING B DIETL H DYDAK F FERNANDEZBOSMAN M HANSLKOZANECKA T JAHN A KOZANECKI W LANGE E LAUBER J LUTJENS G LUTZ G MANNER W PAN Y RICHTER R SCHRODER J SCHWARZ AS SETTLES R STIERLIN U THOMAS J WOLF G BERTIN V BOUCROT J CALLOT O CHEN X CORDIER A DAVIER M GANIS G GRIVAZ JF HEUSSE P JANOT P KIM DW LEDIBERDER F LEFRANCOIS J LUTZ AM VEILLET JJ VIDEAU I ZHANG Z ZOMER F ABBANEO D AMENDOLIA SR BAGLIESI G BATIGNANI G BOSISIO L BOTTIGLI U BRADASCHIA C CARPINELLI, Massimo CIOCCI MA DELLORSO R FERRANTE I FIDECARO F FOA L FOCARDI E FORTI F GATTO C GIASSI A GIORGI MA LIGABUE F MANNELLI EB MARROCCHESI PS MESSINEO A MONETA L PALLA F SANGUINETTI G STEINBERGER J TENCHINI R TONELLI G TRIGGIANI G VANNINI C VENTURI A VERDINI PG WALSH J CARTER JM GREEN MG MARCH PV MEDCALF T QUAZI IS STRONG JA THOMAS RM WEST LR WILDISH T BOTTERILL DR CLIFFT RW EDGECOCK TR EDWARDS M FISHER SM JONES TJ NORTON PR SALMON DP THOMPSON JC BLOCHDEVAUX B COLAS P KLOPFENSTEIN C LOCCI E LOUCATOS S MONNIER E PEREZ P PERLAS JA PERRIER F RANDER J RENARDY JF ROUSSARIE A SCHULLER JP SCHWINDLING J VALLAGE B ASHMAN JG BOOTH CN BUTTAR C CARNEY R CARTWRIGHT S COMBLEY F DINSDALE M DOGRU M HATFIELD F MARTIN J PARKER D REEVES P THOMPSON LF BARBERIO E BRANDT S BURKHARDT H GRUPEN C MEINHARD H MIRABITO L SCHAFER U SEYWERD H APOLLINARI G GIANNINI G GOBBO B LIELLO F RAGUSA F ROLANDI L STIEGLER U BELLANTONI L CINABRO D CONWAY JS COWEN DF FENG Z FERGUSON DPS GAO YS GRAHL J HARTON JL JACOBSEN JE JARED RC JOHNSON RP LECLAIRE BW PAN YB PATER JR SAADI Y SHARMA V SHI ZH TANG YH WALSH AM WEAR JA WEBER FV WHITNEY MH WU SL ZOBERNIG G. Decamp, D Deschizeaux, B Goy, C Lees, J Minard, M Alemany, R Crespo, J Delfino, M Fernandez, E Gaitan, V Garrido, L Mir, L Pacheco, A Catanesi, M 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 Gao, Y Hu, H Huang, D Huang, X Lin, J Lou, J Qiao, C Ruan, T Wang, T Xie, Y Xu, D Xu, R Zhang, J Zhao, W Atwood, W Bauerdick, L Bird, F Blucher, E Bonvicini, G Bossi, F Boudreau, J Brown, D Burnett, T Drevermann, H Forty, R Grab, C Hagelberg, R Haywood, S Hilgart, J Jost, B Kasemann, M Knobloch, J Lacourt, A Lancon, E Lehraus, I Lohse, T Lusiani, A Marchioro, A Martinez, M Mato, P Menary, S Minten, A Miotto, A Miquel, R Moser, H Nash, J Palazzi, P Ranjard, F Redlinger, G Roth, A Rothberg, J Rotscheidt, H Saich, M Denis, R Schlatter, D Takashima, M Talby, M Tejessy, W Wachsmuth, H Wasserbaech, S Wheeler, S Wiedenmann, W Witzeling, W Wotschack, J Ajaltouni, Z Bardadinotwinowska, M Elfellous, R Falvard, A Gay, P Harvey, J Henrard, P Jousset, J Michel, B Montret, J Pallin, D Perret, P Proriol, J Prulhiere, F Stimpfl, G Hansen, J Hansen, P Mollerud, R Nilsson, B Efthymiopoulos, I Simopoulou, E Vayaki, A Badier, J Blondel, A Bonneaud, G Bourotte, J Braems, F Brient, J Fouque, G Gamess, A Guirlet, R Orteu, S Rosowsky, A Rouge, A Rumpf, M Tanaka, R Videau, H Candlin, D Veitch, E Parrini, G Corden, M Georgiopoulos, C Ikeda, M Lannutti, J Levinthal, D Mermikides, M Sawyer, L 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, G Nicoletti, G Passalacqua, L Pepealtarelli, M Picchi, P Zografou, P Altoon, B Boyle, O Halley, A Tenhave, I Hearns, J Lynch, J Morton, W Raine, C Scarr, J Smith, K Thompson, A Turnbull, R Brandl, B Braun, O Geiges, R Geweniger, C Hanke, P Hepp, V Kluge, E Maumary, Y Putzer, A Rensch, B Stahl, A Tittel, K Wunsch, M Belk, A Beuselinck, R Binnie, D Cameron, W Cattaneo, M Dornan, P Dugeay, S Greene, A Hassard, J Lieske, N Patton, S Payne, D Phillips, M Sedgbeer, J Taylor, G Tomalin, I Wright, A Girtler, P Kuhn, D Rudolph, G Bowdery, C Brodbeck, T Finch, A Foster, F Hughes, G Keemer, N Nuttall, M Patel, A Rowlingson, B Sloan, T Snow, S Whelan, E Barczewski, T Kleinknecht, K Raab, J Renk, B Roehn, S Sander, H Schmelling, M Schmidt, H Steeg, F Walther, S Wolf, B Albanese, J Aubert, J Benchouk, C Bernard, V Bonissent, A Courvoisier, D Etienne, F Papalexiou, S Payre, P Pietrzyk, B Qian, Z Becker, H Blum, W Cattaneo, P Cowan, G Dehning, B Dietl, H Dydak, F Fernandezbosman, M Hanslkozanecka, T Jahn, A Kozanecki, W Lange, E Lauber, J Lutjens, G Lutz, G Manner, W Pan, Y Richter, R Schroder, J Schwarz, A Settles, R Stierlin, U Thomas, J Wolf, G Bertin, V Boucrot, J Callot, O Chen, X Cordier, A Davier, M Ganis, G Grivaz, J Heusse, P Janot, P Kim, D Lediberder, F Lefrancois, J Lutz, A Veillet, J Videau, I Zhang, Z Zomer, F Abbaneo, D Amendolia, S Bagliesi, G Batignani, G Bosisio, L Bottigli, U Bradaschia, C Carpinelli, M Ciocci, M Dellorso, R Ferrante, I Fidecaro, F Foa, L Focardi, E Forti, F Gatto, C Giassi, A Giorgi, M Ligabue, F Mannelli, E Marrocchesi, P Messineo, A Moneta, L Palla, F Sanguinetti, G Steinberger, J Tenchini, R Tonelli, G Triggiani, G Vannini, C Venturi, A Verdini, P Walsh, J Carter, J Green, M March, P Medcalf, T Quazi, I Strong, J Thomas, R West, L Wildish, T Botterill, D Clifft, R Edgecock, T Edwards, M Fisher, S Jones, T Norton, P Salmon, D Thompson, J Blochdevaux, B Colas, P Klopfenstein, C Locci, E Loucatos, S Monnier, E Perez, P Perlas, J Perrier, F Rander, J Renardy, J Roussarie, A Schuller, J Schwindling, J Vallage, B Ashman, J Booth, C Buttar, C Carney, R Cartwright, S Combley, F Dinsdale, M Dogru, M Hatfield, F Martin, J Parker, D Reeves, P Thompson, L Barberio, E Brandt, S Burkhardt, H Grupen, C Meinhard, H Mirabito, L Schafer, U Seywerd, H Apollinari, G Giannini, G Gobbo, B Liello, F Ragusa, F Rolandi, L Stiegler, U Bellantoni, L Cinabro, D Conway, J Cowen, D Feng, Z Ferguson, D Grahl, J Harton, J Jacobsen, J Jared, R Johnson, R Leclaire, B Pater, J Saadi, Y Sharma, V Shi, Z Tang, Y Walsh, A Wear, J Weber, F Whitney, M Wu, S Zobernig, G D., Decamp B., Deschizeaux C., Goy J. P., Lee M. N., Minard R., Alemany J. M., Crespo M., Delfino E., Fernandez V., Gaitan Garrido, L. l. Mir, L. l. M. A., Pacheco M. G., Catanesi D., Creanza M., Palma A., Farilla G., Iaselli G., Maggi M., Maggi S., Natali S., Nuzzo M., Quattromini A., Ranieri G., Raso F., Romano F., Ruggieri G., Selvaggi L., Silvestri P., Tempesta G., Zito Y., Gao H., Hu D., Huang X., Huang J., Lin J., Lou C., Qiao T., Ruan T., Wang Y., Xie D., Xu R., Xu J., Zhang W., Zhao W. B., Atwood L. A. T., Bauerdick F., Bird E., Blucher G., Bonyicini F., Bossi J., Boudreau D., Brown T. H., Burnett H., Drevermann R. W., Forty C., Grab R., Hagelberg S., Haywood J., Hilgart B., Jost M., Kasemann J., Knobloch A., Lacourt E., Lan�on I., Lehrau T., Lohse A., Lusiani A., Marchioro M., Martinez P., Mato S., Menary A., Minten A., Miotto R., Miquel H. G., Moser J., Nash P., Palazzi F., Ranjard G., Redlinger A., Roth J., Rothberg H., Rotscheidt M., Saich Denis, R. S. t. D., Schlatter M., Takashima M., Talby W., Tejessy H., Wachsmuth S., Wasserbaech S., Wheeler W., Wiedenmann W., Witzeling J., Wotschack Z., Ajaltouni M., Bardadin Otwinowska R., Fellou A., Falvard P., Gay J., Harvey P., Henrard J., Jousset B., Michel J. C., Montret D., Pallin P., Perret J., Proriol F., Prulhi�re G., Stimpfl J. D., Hansen J. R., Hansen P. H., Hansen R., M�llerud B. S., Nilsson I., Efthymiopoulo E., Simopoulou A., Vayaki J., Badier A., Blondel G., Bonneaud J., Bourotte F., Braem J. C., Brient G., Fouque A., Game R., Guirlet S., Orteu A., Rosowsky A., Roug� M., Rumpf R., Tanaka H., Videau D. J., Candlin E., Veitch G., Parrini M., Corden C., Georgiopoulo M., Ikeda J., Lannutti D., Levinthal M., Mermikide L., Sawyer A., Antonelli R., Baldini G., Bencivenni G., Bologna P., Campana G., Capon F., Cerutti V., Chiarella D'ETTORRE PIAZZOLI, Benedetto G., Felici P., Laurelli G., Mannocchi F., Murta G. P., Murta G., Nicoletti L., Passalacqua M., Pepe Altarelli P., Picchi P., Zografou B., Altoon O., Boyle A. W., Halley I., Have J. L., Hearn J. G., Lynch W. T., Morton C., Raine J. M., Scarr K., Smith A. S., Thompson R. M., Turnbull B., Brandl O., Braun R., Geige C., Geweniger P., Hanke V., Hepp E. E., Kluge Y., Maumary A., Putzer B., Rensch A., Stahl K., Tittel M., Wunsch A. T., Belk R., Beuselinck D. M., Binnie W., Cameron M., Cattaneo P. J., Dornan S., Dugeay A. M., Greene J. F., Hassard N. M., Lieske S. J., Patton D. G., Payne M. J., Phillip J. K., Sedgbeer G., Taylor I. R., Tomalin A. G., Wright P., Girtler D., Kuhn G., Rudolph C. K., Bowdery T. J., Brodbeck A. J., Finch F., Foster G., Hughe N. R., Keemer M., Nuttall A., Patel B. S., Rowlingson T., Sloan S. W., Snow E. P., Whelan T., Barczewski K., Kleinknecht J., Raab B., Renk S., Roehn H. G., Sander M., Schmelling H., Schmidt F., Steeg S. M., Walther B., Wolf J. P., Albanese J. J., Aubert C., Benchouk V., Bernard A., Bonissent D., Courvoisier F., Etienne S., Papalexiou P., Payre B., Pietrzyk Z., Qian H., Becker W., Blum P., Cattaneo G., Cowan B., Dehning H., Dietl F., Dydak M., Fernandez Bosman T., Hansl Kozanecka A., Jahn W., Kozanecki E., Lange J., Lauber G., L�tjen G., Lutz W., M�nner Y., Pan R., Richter J., Schr�der A. S., Schwarz R., Settle U., Stierlin J., Thoma G., Wolf V., Bertin J., Boucrot O., Callot X., Chen A., Cordier M., Davier G., Gani J. F., Grivaz Heusse, P. h. P., Janot D. W., Kim F., Diberder J., Lefran�oi A. M., Lutz J. J., Veillet I., Videau Z., Zhang F., Zomer D., Abbaneo S. R., Amendolia G., Bagliesi G., Batignani L., Bosisio U., Bottigli C., Bradaschia M., Carpinelli M. A., Ciocci R., Dell'Orso I., Ferrante F., Fidecaro L., Fo� E., Focardi F., Forti C., Gatto A., Giassi M. A., Giorgi F., Ligabue E. B., Mannelli P. S., Marrocchesi A., Messineo L., Moneta F., Palla G., Sanguinetti J., Steinberger R., Tenchini G., Tonelli G., Triggiani C., Vannini A., Venturi P. G., Verdini J., Walsh J. M., Carter M. G., Green P. V., March T., Medcalf I. S., Quazi J. A., Strong R. M., Thoma L. R., West T., Wildish D. R., Botterill R. W., Clifft T. R., Edgecock M., Edward S. M., Fisher T. J., Jone P. R., Norton D. P., Salmon J. C., Thompson B., Bloch Devaux P., Cola C., Klopfenstein E., Locci S., Loucato E., Monnier P., Perez J. A., Perla F., Perrier J., Rander J. F., Renardy A., Roussarie J. P., Schuller J., Schwindling B., Vallage J. G., Ashman C. N., Booth C., Buttar R., Carney S., Cartwright F., Combley M., Dinsdale M., Dogru F., Hatfield J., Martin D., Parker P., Reeve L. F., Thompson E., Barberio S., Brandt H., Burkhardt C., Grupen H., Meinhard L., Mirabito U., Sch�fer H., Seywerd G., Apollinari G., Giannini B., Gobbo F., Liello F., Ragusa L., Rolandi U., Stiegler L., Bellantoni D., Cinabro J. S., Conway D. F., Cowen Z., Feng D. P. S., Ferguson Y. S., Gao J., Grahl J. L., Harton J. E., Jacobsen R. C., Jared R. P., Johnson B. W., Claire Y. B., Pan J. R., Pater Y., Saadi V., Sharma Z. H., Shi Y. H., Tang A. M., Walsh J. A., Wear F. V., Weber M. H., Whitney Sau Lan, Wu G., Zobernig Lees, Jp Minard, Mn Crespo, Jm Mir, Lm Catanesi, Mg Atwood, Wb Bauerdick, Lat Burnett, Th Forty, Rw Lusiani, Alberto Moser, Hg Montret, Jc Hansen, Jd Hansen, Jr Hansen, Ph Brient, Jc Candlin, Dj Murtas, Gp Halley, Aw Hearns, Jl Lynch, Jg Morton, Wt Scarr, Jm Turnbull, Rm Kluge, Ee Belk, At Binnie, Dm Dornan, Pj Greene, Am Hassard, Jf Lieske, Nm Patton, Sj Payne, Dg Phillips, Mj Sedgbeer, Jk Tomalin, Ir Wright, Ag Bowdery, Ck Brodbeck, Tj Finch, Aj Keemer, Nr Snow, Sw Whelan, Ep Sander, Hg Walther, Sm Albanese, Jp Aubert, Jj Grivaz, Jf Kim, Dw Lutz, Am Veillet, Jj Amendolia, Sr Ciocci, Ma Giorgi, Ma Ligabue, Franco Mannelli, Eb Verdini, Pg Carter, Jm Green, Mg March, Pv Strong, Ja Thomas, Rm West, Lr Botterill, Dr Clifft, Rw Edgecock, Tr Fisher, Sm Jones, Tj Norton, Pr Salmon, Dp Thompson, Jc Perlas, Ja Renardy, Jf Schuller, Jp Ashman, Jg Booth, Cn Thompson, Lf Cowen, Df Ferguson, Dp Harton, Jl Jacobsen, Je Jared, Rc Johnson, Rp Leclaire, Bw Pan, Yb Pater, Jr Shi, Zh Tang, Yh Walsh, Am Wear, Ja Weber, Fv Whitney, Mh Wu, Sl Zobernig, G.
Source :
ResearcherID
Publication Year :
1992
Publisher :
Springer Verlag, 1992.
Abstract
The properties of the Z resonance are measured on the basis of 190000 Z decays into fermion pairs collected with the ALEPH detector at LEP. Assuming lepton universality, M(Z) = (91.182 +/- 0.009exp +/- 0.020L;P) GeV, GAMMA(Z) = (2484 +/- 17) MeV, sigma(had)0 = (41.44 +/- 0.36) nb, and GAMMA(had)/GAMMA(ll) = 21.00 +/- 0.20. The corresponding number of light neutrino species is 2.97 +/- 0.07. The forward-backward asymmetry in leptonic decays is used to determine the ratio of vector to axial-vector coupling constants of leptons: g(V)2(M(Z)2)/g(A)2(M(Z)2) = 0.0072 +/- 0.0027. Combining these results with ALEPH results on quark charge and bbBAR asymmetries, and tau-polarization, sin2 theta(W)(M(Z)2) = 0.2312 +/- 0.0018. In the context of the Minimal Standard Model, limits are placed on the top-quark mass.
Details
Language :
English
Database :
OpenAIRE
Journal :
ResearcherID
Accession number :
edsair.doi.dedup.....e4a785c07c9af4d5844709b6cf80439d