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Polarized Bhabha scattering and a precision measurement of the electron neutral current couplings

  • K. Abe
  • , I. Abt
  • , C. J. Ahn
  • , T. Akagi
  • , W. W. Ash
  • , D. Aston
  • , N. Bacchetta
  • , K. G. Baird
  • , C. Baltay
  • , H. R. Band
  • , M. B. Barakat
  • , G. Baranko
  • , O. Bardon
  • , T. Barklow
  • , A. O. Bazarko
  • , R. Ben-David
  • , A. C. Benvenuti
  • , T. Bienz
  • , G. M. Bilei
  • , D. Bisello
  • G. Blaylock, J. R. Bogart, T. Bolton, G. R. Bower, J. E. Brau, M. Breidenbach, W. M. Bugg, D. Burke, T. H. Burnett, P. N. Burrows, W. Busza, A. Calcaterra, D. O. Caldwell, D. Calloway, B. Camanzi, M. Carpinelli, R. Cassell, R. Castaldi, A. Castro, M. Cavalli-Sforza, E. Church, H. O. Cohn, J. A. Coller, V. Cook, R. Cotton, R. F. Cowan, D. G. Coyne, A. D'Oliveira, C. J.S. Damerell, S. Dasu, R. De Sangro, P. De Simone, R. Dell'Orso, M. Dima, P. Y.C. Du, R. Dubois, B. I. Eisenstein, R. Elia, D. Falciai, C. Fan, M. J. Fero, R. Frey, K. Furuno, T. Gillman, G. Gladding, S. Gonzalez, G. D. Hallewell, E. L. Hart, Y. Hasegawa, S. Hedges, S. S. Hertzbach, M. D. Hildreth, J. Huber, M. E. Huffer, E. W. Hughes, H. Hwang, Y. Iwasaki, P. Jacques, J. Jaros, A. S. Johnson, J. R. Johnson, R. A. Johnson, T. Junk, R. Kajikawa, M. Kalelkar, I. Karliner, H. Kawahara, H. W. Kendall, Y. Kim, M. E. King, R. King, R. R. Kofler, N. M. Krishna, R. S. Kroeger, J. F. Labs, M. Langston, A. Lath, J. A. Lauber, D. W.G. Leith, X. Liu, M. Loreti, A. Lu, H. L. Lynch, J. Ma, G. Mancinelli, S. Manly, G. Mantovani, T. W. Markiewicz, T. Maruyama, R. Massetti, H. Masuda, E. Mazzucato, A. K. McKemey, B. T. Meadows, R. Messner, P. M. Mockett, K. C. Moffeit, B. Mours, G. Müller, D. Muller, T. Nagamine, U. Nauenberg, H. Neal, M. Nussbaum, Y. Ohnishi, L. S. Osborne, R. S. Panvini, H. Park, T. J. Pavel, I. Peruzzi, L. Pescara, M. Piccolo, L. Piemontese, E. Pieroni, K. T. Pitts, R. J. Plano, R. Prepost, C. Y. Prescott, G. D. Punkar, J. Quigley, B. N. Ratcliff, T. W. Reeves, P. E. Rensing, L. S. Rochester, J. E. Rothberg, P. C. Rowson, J. J. Russell, O. H. Saxton, T. Schalk, R. H. Schindler, U. Schneekloth, B. A. Schumm, A. Seiden, S. Sen, V. V. Serbo, M. H. Shaevitz, J. T. Shank, G. Shapiro, S. L. Shapiro, D. J. Sherden, C. Simopoulos, N. B. Sinev, S. R. Smith, J. A. Snyder, P. Stamer, H. Steiner, R. Steiner, M. G. Strauss, D. Su, F. Suekane, A. Sugiyama, S. Suzuki, M. Swartz, A. Szumilo, T. Takahashi, F. E. Taylor, E. Torrence, J. D. Turk, T. Usher, J. Va'vra, C. Vannini, E. Vella, J. P. Venuti, P. G. Verdini, S. R. Wagner, A. P. Waite, S. J. Watts, A. W. Weidemann, J. S. Whitaker, S. L. White, F. J. Wickens, D. A. Williams, D. C. Williams, S. H. Williams, S. Willocq, R. J. Wilson, W. J. Wisniewski, M. Woods, G. B. Word, J. Wyss, R. K. Yamamoto, J. M. Yamartino, X. Q. Yang, S. J. Yellin, C. C. Young, H. Yuta, G. Zapalac, R. W. Zdarko, C. Zeitlin, J. Zhou
  • Tohoku University
  • University of Illinois at Urbana-Champaign
  • Sogang University
  • Stanford Linear Accelerator Center, Stanford University
  • University of Padua
  • Rutgers - The State University of New Jersey, New Brunswick
  • Yale University
  • University of Wisconsin-Madison
  • University of Colorado Boulder
  • Massachusetts Institute of Technology
  • Columbia University
  • National Institute for Nuclear Physics
  • University of California at Santa Cruz
  • University of Oregon
  • University of Tennessee, Knoxville
  • University of Washington
  • University of California at Santa Barbara
  • University of Ferrara
  • University of Pisa
  • Boston University
  • Brunel University London
  • University of Cincinnati
  • Rutherford Appleton Laboratory
  • Colorado State University
  • University of Massachusetts
  • Nagoya University
  • University of Mississippi
  • Vanderbilt University
  • University of California at Berkeley
  • Adelphi University
  • California Institute of Technology

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Bhabha scattering with polarized electrons at the Z0 resonance has been measured with the SLD experiment at the SLAC Linear Collider. The first measurement of the left-right asymmetry in Bhabha scattering is presented, yielding the effective weak mixing angle of sin2θWeff=0.2245±0. 0049±0.0010. The effective electron couplings to the Z0 are extracted from a combined analysis of polarized Bhabha scattering and the left-right asymmetry previously published: υe=-0.0414±0.0020 and ae=-0.4977±0.0045.

Original languageEnglish
Pages (from-to)2880-2884
Number of pages5
JournalPhysical Review Letters
Volume74
Issue number15
DOIs
StatePublished - 1995

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