1. FIRST MEASUREMENT OF THE LEFT-RIGHT ASYMMETRY IN Z-BOSON PRODUCTION
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R. E. Cassell, P.E. Rensing, T. Dean, T. H. Burnett, D. Mansour, D. D. Durrett, Gian Mario Bilei, R. Prepost, D. Pripstein, P.F. Jacques, R. Cowan, T. Gillman, R. Cotton, John Fox, K.C. Moffeit, E. Hyatt, E. L. Garwin, G. Putallaz, M. G. Strauss, G. Zapalac, D. Sherden, P. Stamer, R. King, R. Pitthan, P. Poffenberger, R. S. Kroeger, U. Schneekloth, P. Saez, S.C. Berridge, L. Piemontese, V. Nesterov, S. L. Cartwright, J. D. Turk, J. Carr, F. Suekane, T. Schalk, R. J. Decker, Enrico Pieroni, G. Shapiro, R. Shypit, M. Cavalli-Sforza, Koya Abe, M. Woods, R. J. Stephenson, M. Klein, J. M. Yamartino, K.G. Baird, H.J. Kang, David A. Williams, Y. Au, S. Yellin, J. A. Lauber, A. Santocchia, L. S. Osborne, S. Hedges, A. V. Kulikov, D. L. Burke, B. Meadows, R. W. Williams, T. Maruyama, W. M. Bugg, W. Wisniewski, J. Duboscq, T. Himel, A. Rothenberg, A. Szumilo, G. Tarnopolsky, A. Nuttall, Roberto Battiston, R. J. Belcinski, W. Baker, D. Walz, F. Toevs, D. Aston, D. J. Mellor, G. Mancinelli, R. F. Boyce, M. Z. Tahar, D. Chambers, Michael S. Witherell, T. Limberg, A. K. McKemey, H. Tang, S. Bethke, R. Dolin, D. W. G. S. Leith, L. Servoli, M. J. Fero, K. K. Young, Robert Wilson, W. A. Majid, G. B. Word, M. Zolotorev, D. P. Gurd, P. J. Emma, C. C. Young, G. Baranko, Alberto Benvenuti, D. R. Rust, F. E. Taylor, H. Cutler, R. K. Jobe, S. L. White, J. R. Bogart, T. Hansl-Kozanecka, H. A. Neal, J. A. Coller, A. Disco, M. Swartz, V. Ashford, D. Kharakh, G. Eigen, R. Castaldi, G. E. Schultz, P. C. Rowson, H. Yuta, L. Mathys, T. Junk, S. Bougerolle, M. J. Haney, A. Bean, C. G. Arroyo, R.J. Plano, B.L. Byers, P. Stiles, M. Minty, D. A. Forbush, M. Schneider, N. Phinney, G. Blaylock, L. Lintern, H. J. Hargis, A. K. Honma, T. Bienz, J. Escalera, Y. C. Du, W. Dunwoodie, S. R. Smith, T. W. Reeves, P. Kunz, C. Alber, W. L. Spence, P. M. Mockett, S. A. Wickert, M. Biasini, J. T. Seeman, I. M. Peruzzi, E. Mazzucato, Abraham Seiden, W. T. Emmet, J. Hoeflich, C. Simopoulos, A. Lu, M. Gaillard, G. R. Mason, J. F. Labs, M. E. Huffer, S. L. Shapiro, Stephen Watts, K. T. Pitts, D. C. Williams, V. Cook, J. Hodgson, H. Kawahara, J. Frisch, A. D. Yeremian, J. Ferrie, R. Sobie, A. Mazzucato, R. Messner, A. I. Mincer, P. Raimondi, A. L. Shoup, A.B. d'Oliveira, J. Harrison, M. Petradza, R. Blumberg, F. Dejongh, H. O. Ogren, S. McHugh, J. Wyss, P. Rankin, M. Langston, O. Bardon, David O. Caldwell, U. Nauenberg, Chris Adolphsen, G. Agnew, W. Craddock, G. Oxoby, R. Steiner, S. Gonzalez, X. Liu, S. S. Hertzbach, J. S. Whitaker, R. A. Johnson, H. M. Steiner, L. Rosenson, T. E. Browder, G. B. Chadwick, Roberto Dell'Orso, L. P. Robertson, J. Huber, R. Ben-David, Y. Kwon, J. Zhou, Richard Keeler, R. Rinta, M.D. Sokoloff, J. Va'vra, R. de Sangro, S. Dasu, L. Paffrath, A. Yim, R. Davis, S.St. Lorant, M. Turcotte, P. Coyle, B. Mours, Y. Hasegawa, J.P. Venuti, P. E.L. Clarke, C.J.S. Damerell, Gunther Haller, O. H. Saxton, D. Horelick, A. O. Bazarko, Martin Breidenbach, G. R. Bower, James Shank, C. Yee, E. Erdos, J. E. Brau, A. Calcaterra, G. Hallewell, R. R. Larsen, I. Stockdale, I. Karliner, Dominik Müller, G. Stewart, D. Warner, J.I. Friedman, Andrea Castro, R. Ossa, F. Barrera, C. Zeitlin, B. F. Wadsworth, T. A. Hodges, K. Skarpaas, H. L. Lynch, J. Rothberg, R. Langstaff, I. Abt, C. Vannini, P. Schenk, K. M. Fortune, R. Kajikawa, R. C. Hilomen, P. N. Burrows, Dario Bisello, H. O. Cohn, R. S. Panvini, E. Vella, Fred Wickens, T. Lyons, R. R. Kofler, B. I. Eisenstein, S. Jones, H. Shaw, Michael H. Shaevitz, C. Y. Prescott, J. C. Sheppard, T. Takahashi, C. Fan, T.J. Pavel, E. W. Hughes, S. H. Williams, G. D. Punkar, N. Toge, Jeffrey Richman, R. Dubois, J. A. Snyder, M. Kalelkar, R. K. Yamamoto, R. Frey, O. Chamberlain, S. De Simone, M. Tecchio, A. Lath, B. N. Ratcliff, M. Loreti, R. Berger, V. Ziemann, Piero Giorgio Verdini, M. Pauluzzi, T. Weber, F. Perrier, T. Bolton, M. H. Kelsey, Y. Iwasaki, T. L. Usher, A. Astbury, Giancarlo Mantovani, A. Gioumousis, T. Shimomura, M. Piccolo, J. F. McGowan, E.N. Spencer, H. Park, G. Mazaheri, J. R. Johnson, P. Zucchelli, H. Hwang, H. R. Band, I. Camilleri, D. G. Hitlin, G. Mundy, A. P. Waite, H. Y. Kim, J. J. Russell, G. Gladding, V. Hamilton, P. D. Acton, P. C. Kim, A. W. Weidemann, R. J. Morrison, B. A. Schumm, R. Verdier, E. L. Hart, L. Pescara, K. Hasegawa, K. Furuno, G. A. Beer, H. Petersen, D. Peters, S. Manly, R. H. Siemann, M. Nordby, Patrick Krejcik, R. W. Downing, D. Nelson, C. J. Oram, R. Elia, Marc Ross, A. S. Johnson, D. F. Alzofon, Michele Gallinaro, R. W. Zdarko, P. Antilogus, R. Bell, A.P.T. Palounek, M. Nussbaum, G. Mueller, A. Snyder, D. G. Coyne, D. R. Freytag, Nicola Bacchetta, D. McCormick, M. J. Fox, M. Kowitt, Rafe Schindler, A.K.S. Santha, Thomas W. Markiewicz, L. S. Rochester, J. Ma, S. Kaiser, D. Axen, C. Baltay, H. Masuda, J. Olsen, Nicholas Walker, Joseph Izen, T. Fieguth, Wit Busza, J. L. Turner, M. Carpinelli, P. De Simone, L. Chen, D. L. Hale, J. J. Thaler, R. Claus, J. Fujimoto, S. Ecklund, C. Jako, N.M. Krishna, W. W. Ash, G.J. Tappern, S. Suzuki, Henry W. Kendall, D. Su, M. Settles, M. D. Hildreth, F. Bird, E. Rutz, D. Cords, B. Camanzi, M. D. Woodly, J. Clendenin, T. Nagamine, D.C. Schultz, R.L. English, R. Watt, A. Sugiyama, J. Flynn, B. Burgess, D. Calloway, Abe, K, Abt, I, Acton, P, Adolphsen, C, Agnew, G, Alber, C, Alzofon, D, Antilogus, P, Arroyo, C, Ash, W, Ashford, V, Astbury, A, Aston, D, Au, Y, Axen, D, Bacchetta, N, Baird, K, Baker, W, Baltay, C, Band, H, Baranko, G, Bardon, O, Barrera, F, Battiston, R, Bazarko, A, Bean, A, Beer, G, Belcinski, R, Bell, R, Bendavid, R, Benvenuti, A, Berger, R, Berridge, S, Bethke, S, Biasini, M, Bienz, T, Bilei, G, Bird, F, Bisello, D, Blaylock, G, Blumberg, R, Bogart, J, Bolton, T, Bougerolle, S, Bower, G, Boyce, R, Brau, J, Breidenbach, M, Browder, T, Bugg, W, Burgess, B, Burke, D, Burnett, T, Burrows, P, Busza, W, Byers, B, Calcaterra, A, Caldwell, D, Calloway, D, Camanzi, B, Camilleri, I, Carpinelli, M, Carr, J, Cartwright, S, Cassell, R, Castaldi, R, Castro, A, Cavallisforza, M, Chadwick, G, Chamberlain, O, Chambers, D, Chen, L, Clarke, P, Claus, R, Clendenin, J, Cohn, H, Coller, J, Cook, V, Cords, D, Cotton, R, Cowan, R, Coyle, P, Coyne, D, Craddock, W, Cutler, H, Doliveira, A, Damerell, C, Dasu, S, Davis, R, Desangro, R, Desimone, P, Desimone, S, Dean, T, Decker, R, Dejongh, F, Dellorso, R, Disco, A, Dolin, R, Downing, R, Du, Y, Dubois, R, Duboscq, J, Dunwoodie, W, Durrett, D, Ecklund, S, Eigen, G, Eisenstein, B, Elia, R, Emma, P, Emmet, W, English, R, Erdos, E, Escalera, J, Fan, C, Fero, M, Ferrie, J, Fieguth, T, Flynn, J, Forbush, D, Fortune, K, Fox, J, Fox, M, Frey, R, Freytag, D, Friedman, J, Frisch, J, Fujimoto, J, Furuno, K, Gaillard, M, Gallinaro, M, Garwin, E, Gillman, T, Gioumousis, A, Gladding, G, Gonzalez, S, Gurd, D, Hale, D, Haller, G, Hallewell, G, Hamilton, V, Haney, M, Hanslkozanecka, T, Hargis, H, Harrison, J, Hart, E, Hasegawa, K, Hasegawa, Y, Hedges, S, Hertzbach, S, Hildreth, M, Hilomen, R, Himel, T, Hitlin, D, Hodges, T, Hodgson, J, Hoeflich, J, Honma, A, Horelick, D, Huber, J, Huffer, M, Hughes, E, Hwang, H, Hyatt, E, Iwasaki, Y, Izen, J, Jobe, R, Jacques, P, Jako, C, Johnson, A, Johnson, J, Johnson, R, Jones, S, Junk, T, Kaiser, S, Kajikawa, R, Kalelkar, M, Kang, H, Karliner, I, Kawahara, H, Keeler, R, Kelsey, M, Kendall, H, Kharakh, D, Kim, H, Kim, P, King, R, Klein, M, Kofler, R, Kowitt, M, Krejcik, P, Krishna, N, Kroeger, R, Kulikov, A, Kunz, P, Kwon, Y, Labs, J, Langstaff, R, Langston, M, Larsen, R, Lath, A, Lauber, J, Leith, D, Limberg, T, Lintern, L, Liu, X, Loreti, M, Lu, A, Lynch, H, Lyons, T, Ma, J, Majid, W, Mancinelli, G, Manly, S, Mansour, D, Mantovani, G, Markiewicz, T, Maruyama, T, Mason, G, Masuda, H, Mathys, L, Mazaheri, G, Mazzucato, A, Mazzucato, E, Mccormick, D, Mcgowan, J, Mchugh, S, Mckemey, A, Meadows, B, Mellor, D, Messner, R, Mincer, A, Minty, M, Mockett, P, Moffeit, K, Morrison, R, Mours, B, Mueller, G, Muller, D, Mundy, G, Nagamine, T, Nauenberg, U, Neal, H, Nelson, D, Nesterov, V, Nordby, M, Nussbaum, M, Nuttall, A, Ogren, H, Olsen, J, Oram, C, Osborne, L, Ossa, R, Oxoby, G, Paffrath, L, Palounek, A, Panvini, R, Park, H, Pauluzzi, M, Pavel, T, Perrier, F, Peruzzi, I, Pescara, L, Peters, D, Petersen, H, Petradza, M, Phinney, N, Piccolo, M, Piemontese, L, Pieroni, E, Pitthan, R, Pitts, K, Plano, R, Poffenberger, P, Prepost, R, Prescott, C, Pripstein, D, Punkar, G, Putallaz, G, Raimondi, P, Rankin, P, Ratcliff, B, Reeves, T, Rensing, P, Richman, J, Rinta, R, Robertson, L, Rochester, L, Rosenson, L, Ross, M, Rothberg, J, Rothenberg, A, Rowson, P, Russell, J, Rust, D, Rutz, E, Saez, P, Santha, A, Santocchia, A, Saxton, O, Schalk, T, Schenk, P, Schindler, R, Schneekloth, U, Schneider, M, Schultz, D, Schultz, G, Schumm, B, Seeman, J, Seiden, A, Servoli, L, Settles, M, Shaevitz, M, Shank, J, Shapiro, G, Shapiro, S, Shaw, H, Sheppard, J, Sherden, D, Shimomura, T, Shoup, A, Shypit, R, Siemann, R, Simopoulos, C, Skarpaas, K, Smith, S, Snyder, A, Snyder, J, Sobie, R, Sokoloff, M, Spence, W, Spencer, E, Stlorant, S, Stamer, P, Steiner, H, Steiner, R, Stephenson, R, Stewart, G, Stiles, P, Stockdale, I, Strauss, M, Su, D, Suekane, F, Sugiyama, A, Suzuki, S, Swartz, M, Szumilo, A, Tahar, M, Takahashi, T, Tang, H, Tappern, G, Tarnopolsky, G, Taylor, F, Tecchio, M, Thaler, J, Toevs, F, Toge, N, Turcotte, M, Turk, J, Turner, J, Usher, T, Vavra, J, Vannini, C, Vella, E, Venuti, J, Verdier, R, Verdini, P, Wadsworth, B, Waite, A, Walker, N, Walz, D, Warner, D, Watt, R, Watts, S, Weber, T, Weidemann, A, Whitaker, J, White, S, Wickens, F, Wickert, S, Williams, D, Williams, R, Williams, S, Wilson, R, Wisniewski, W, Witherell, M, Woodly, M, Woods, M, Word, G, Wyss, J, Yamamoto, R, Yamartino, J, Yee, C, Yeremian, A, Yellin, S, Yim, A, Young, C, Young, K, Yuta, H, Zapalac, G, Zdarko, R, Zeitlin, C, Zhou, J, Ziemann, V, Zolotorev, M, and Zucchelli, P
- Subjects
Physics ,Nuclear and High Energy Physics ,Particle physics ,Positron beam ,Electron–positron annihilation ,media_common.quotation_subject ,General Physics and Astronomy ,Astronomy and Astrophysics ,Weinberg angle ,Electron ,Polarization (waves) ,Asymmetry ,Nuclear physics ,Cathode ray ,Physics::Accelerator Physics ,High Energy Physics::Experiment ,Nuclear Experiment ,media_common - Abstract
We present the first measurement of the left-right cross-section asymmetry (ALR) in Z-boson production observed at the SLAC Linear Collider. In 1992 the SLD detector recorded 10 224 Z events produced by the collision of longitudinally polarized electrons with an unpolarized positron beam at a center-of-mass energy of 91.55 GeV. The average electron beam polarization during the run was (22.4 ± 0.6)%. We measure ALR to be 0.100 ± 0.0440 (stat.) ±0.004 (syst.), which determines the effective weak mixing angle to be $\sin^2\theta_W^{\rm {eff}} = 0.2378\pm 0.0056\, ({\rm stat.})\pm 0.0005\, ({\rm syst.})$.
- Published
- 1993