Improved measurements of electroweak parameters from Z decays into fermion pairs
Autor: | 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. |
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Přispěvatelé: | 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. |
Jazyk: | angličtina |
Rok vydání: | 1992 |
Předmět: |
Quark
Physics Particle physics Physics and Astronomy (miscellaneous) Electron–positron annihilation High Energy Physics::Phenomenology Electroweak interaction Elementary particle Weinberg angle Fermion ALEPH detector Nuclear physics High Energy Physics::Experiment Neutrino Engineering (miscellaneous) Particle Physics - Experiment Lepton |
Zdroj: | ResearcherID |
Popis: | 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. |
Databáze: | OpenAIRE |
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