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1. Measurement of Rb Using a Vertex Mass Tag

Author

K. Abe, T. Akagi, N. J. Allen, W. W. Ash, D. Aston, K. G. Baird, C. Baltay, H. R. Band, M. B. Barakat, G. Baranko, O. Bardon, T. L. Barklow, G. L. Bashindzhagyan, A. O. Bazarko, R. Ben-David, A. C. Benvenuti, G. M. Bilei, D. Bisello, G. Blaylock, J. R. Bogart, B. Bolen, 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, A. Chou, E. Church, H. O. Cohn, J. A. Coller, V. Cook, R. Cotton, R. F. Cowan, D. G. Coyne, G. Crawford, A. D'Oliveira, C. J. S. Damerell, M. Daoudi, N. de Groot, R. De Sangro, R. Dell'Orso, P. J. Dervan, M. Dima, D. N. Dong, P. Y. C. Du, R. Dubois, B. I. Eisenstein, R. Elia, E. Etzion, S. Fahey, D. Falciai, C. Fan, J. P. Fernandez, M. J. Fero, R. Frey, T. Gillman, G. Gladding, S. Gonzalez, E. L. Hart, J. L. Harton, A. Hasan, Y. Hasegawa, K. Hasuko, S. J. Hedges, S. S. Hertzbach, M. D. Hildreth, J. Huber, M. E. Huffer, E. W. Hughes, H. Hwang, Y. Iwasaki, D. J. Jackson, P. Jacques, J. A. Jaros, Z. Y. Jiang, A. S. Johnson, J. R. Johnson, R. A. Johnson, T. Junk, R. Kajikawa, M. Kalelkar, H. J. Kang, I. Karliner, H. Kawahara, H. W. Kendall, Y. D. 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. S. Leith, V. Lia, M. X. Liu, X. Liu, M. Loreti, A. Lu, H. L. Lynch, J. Ma, G. Mancinelli, S. Manly, G. Mantovani, T. W. Markiewicz, T. Maruyama, H. Masuda, E. Mazzucato, A. K. McKemey, B. T. Meadows, R. Messner, P. M. Mockett, K. C. Moffeit, T. B. Moore, D. Muller, T. Nagamine, S. Narita, U. Nauenberg, H. Neal, M. Nussbaum, Y. Ohnishi, N. Oishi, D. Onoprienko, L. S. Osborne, R. S. Panvini, C. H. Park, H. Park, T. J. Pavel, I. Peruzzi, 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, J. Reidy, P. L. Reinertsen, P. E. Rensing, L. S. Rochester, P. C. Rowson, J. J. Russell, O. H. Saxton, T. Schalk, R. H. Schindler, B. A. Schumm, J. Schwiening, S. Sen, V. V. Serbo, M. H. Shaevitz, J. T. Shank, G. Shapiro, D. J. Sherden, K. D. Shmakov, C. Simopoulos, N. B. Sinev, S. R. Smith, M. B. Smy, J. A. Snyder, H. Staengle, 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, A. I. Trandafir, J. D. Turk, T. Usher, J. Va'vra, C. Vannini, E. Vella, J. P. Venuti, R. Verdier, P. G. Verdini, D. L. Wagner, S. R. Wagner, A. P. Waite, S. J. Watts, A. W. Weidemann, E. R. Weiss, J. S. Whitaker, S. L. White, F. J. Wickens, 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. Yang, J. Yashima, S. J. Yellin, C. C. Young, H. Yuta, G. Zapalac, R. W. Zdarko, J. Zhou, Abe, K, Akagi, T, Allen, N, Ash, W, Aston, D, Baird, K, Baltay, C, Band, H, Barakat, M, Baranko, G, Bardon, O, Barklow, T, Bashindzhagyan, G, Bazarko, A, Ben David, R, Benvenuti, A, Bilei, G, Bisello, D, Blaylock, G, Bogart, J, Bolen, B, Bolton, T, Bower, G, Brau, J, Breidenbach, M, Bugg, W, Burke, D, Burnett, T, Burrows, P, Busza, W, Calcaterra, A, Caldwell, D, Calloway, D, Camanzi, B, Carpinelli, M, Cassell, R, Castaldi, R, Castro, A, Cavalli Sforza, M, Chou, A, Church, E, Cohn, H, Coller, J, Cook, V, Cotton, R, Cowan, R, Coyne, D, Crawford, G, D'Oliveira, A, Damerell, C, Daoudi, M, de Groot, N, De Sangro, R, Dell'Orso, R, Dervan, P, Dima, M, Dong, D, Du, P, Dubois, R, Eisenstein, B, Elia, R, Etzion, E, Fahey, S, Falciai, D, Fan, C, Fernandez, J, Faro, M, Frey, R, Gillman, T, Gladding, G, Gonzalez, S, Hart, E, Harton, J, Hasan, A, Hasegawa, Y, Hasuko, K, Hedges, S, Hertzbach, S, Hildreth, M, Huber, J, Huffer, M, Hughes, E, Hwang, H, Iwasaki, Y, Jackson, D, Jacques, P, Jaros, J, Jiang, Z, Johnson, A, Johnson, J, Johnson, R, Junk, T, Kajikawa, R, Kalelkar, M, Kang, H, Karliner, I, Kawahara, H, Kendall, H, Kim, Y, King, M, King, R, Kofler, R, Krishna, N, Kroeger, R, Labs, J, Langston, M, Lath, A, Lauber, J, Leith, D, Lia, V, Liu, M, Liu, X, Loreti, M, Lu, A, Lynch, H, Ma, J, Mancinelli, G, Manly, S, Mantovani, G, Markiewicz, T, Maruyama, T, Masuda, H, Mazzucato, E, Mckemey, A, Meadows, B, Messner, R, Mockett, P, Moffeit, K, Moore, T, Muller, D, Nagamine, T, Narita, S, Nauenberg, U, Neal, H, Nussbaum, M, Ohnishi, Y, Oishi, N, Onoprienko, D, Osborne, L, Panvini, R, Park, C, Park, H, Pavel, T, Peruzzi, I, Piccolo, M, Piemontese, L, Pieroni, E, Pitts, K, Plano, R, Prepost, R, Prescott, C, Punkar, G, Quigley, J, Ratcliff, B, Reeves, T, Reidy, J, Reinertsen, P, Rensing, P, Rochester, L, Rowson, P, Russell, J, Saxton, O, Schall, T, Schindler, R, Schumm, B, Schwiening, J, Sen, S, Serbo, V, Shaevitz, M, Shank, J, Shapiro, G, Sherden, D, Shmakov, K, Simopoulos, C, Sinev, N, Smith, S, Smy, M, Snyder, J, Staengle, H, Stamer, P, Steiner, H, Steiner, R, Strauss, M, Su, D, Suekane, F, Sugiyama, A, Suzuki, S, Swartz, M, Szumilo, A, Takahashi, T, Taylor, F, Torrence, E, Trandafir, A, Turk, J, Usher, T, Va'Vra, J, Vannini, C, Vella, E, Venuti, J, Verdier, R, Verdini, P, Wagner, D, Wagner, S, Waite, A, Watts, S, Weidemann, A, Weiss, E, Whitaker, J, White, S, Wickens, F, Williams, D, Williams, S, Willocq, S, Wilson, R, Wisniewski, W, Woods, M, Word, G, Wyss, J, Yamamoto, R, Yamartino, J, Yang, X, Yashima, J, Yellin, S, Young, C, Yuta, H, Zapalac, G, Zdarko, R, and Zhou, J

Subjects
Physics, Particle physics, Meson, Physics::Instrumentation and Detectors, Electron–positron annihilation, Gluons, Hadron, FOS: Physical sciences, General Physics and Astronomy, Elementary particle, High Energy Physics - Experiment, Vertex (geometry), High Energy Physics - Experiment (hep-ex), Particle decay, B meson, High Energy Physics::Experiment, Nuclear Experiment, Boson
Abstract

We report a new measurement of Rb = Gamma(Z0->b-bbar) / Gamma(Z0->hadrons) using a double tag technique, where the b hemisphere selection is based on the reconstructed mass of the B hadron decay vertex. The measurement was performed using a sample of 130k hadronic Z0 events, collected with the SLD at the SLC. The method utilizes the 3-D vertexing abilities of the CCD pixel vertex detector and the small stable SLC beams to obtain a high b-tagging efficiency and purity. We obtain Rb=0.2142+/-0.0034(stat.)+/-0.0015(syst.)+/-0.0002(R_c)., 11 pages including 3 eps files

Published
1998

2. Study of the orientation and energy partition of three-jet events in hadronic Z0 decays

Author

K. Abe, I. Abt, T. Akagi, N. J. Allen, W. W. Ash, D. Aston, K. G. Baird, C. Baltay, H. R. Band, M. B. Barakat, G. Baranko, O. Bardon, T. Barklow, G. L. Bashindzhagyan, A. O. Bazarko, R. Ben-David, A. C. Benvenuti, 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, A. Chou, E. Church, H. O. Cohn, J. A. Coller, V. Cook, R. Cotton, R. F. Cowan, D. G. Coyne, G. Crawford, A. D’Oliveira, C. J. S. Damerell, M. Daoudi, R. De Sangro, P. De Simone, R. Dell’Orso, P. J. Dervan, M. Dima, D. N. Dong, P. Y. C. Du, R. Dubois, B. I. Eisenstein, R. Elia, E. Etzion, D. Falciai, C. Fan, M. J. Fero, R. Frey, K. Furuno, T. Gillman, G. Gladding, S. Gonzalez, G. D. Hallewell, E. L. Hart, A. Hasan, Y. Hasegawa, K. Hasuko, S. Hedges, S. S. Hertzbach, M. D. Hildreth, J. Huber, M. E. Huffer, E. W. Hughes, H. Hwang, Y. Iwasaki, D. J. Jackson, P. Jacques, J. Jaros, A. S. Johnson, J. R. Johnson, R. A. Johnson, T. Junk, R. Kajikawa, M. Kalelkar, H. J. Kang, 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. S. Leith, V. Lia, M. X. Liu, 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, D. Muller, T. Nagamine, S. Narita, U. Nauenberg, H. Neal, M. Nussbaum, Y. Ohnishi, L. S. Osborne, R. S. Panvini, H. Park, T. J. Pavel, I. Peruzzi, 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, J. Reidy, P. E. Rensing, T. G. Rizzo, L. S. Rochester, P. C. Rowson, J. J. Russell, O. H. Saxton, T. Schalk, R. H. Schindler, B. A. Schumm, S. Sen, V. V. Serbo, M. H. Shaevitz, J. T. Shank, G. Shapiro, D. J. Sherden, K. D. Shmakov, 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, A. I. Trandafir, J. D. Turk, T. Usher, J. Va’vra, C. Vannini, E. Vella, J. P. Venuti, R. Verdier, P. G. Verdini, S. R. Wagner, A. P. Waite, S. J. Watts, A. W. Weidemann, E. R. Weiss, 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. Yang, S. J. Yellin, C. C. Young, H. Yuta, G. Zapalac, R. W. Zdarko, C. Zeitlin, and J. Zhou

Subjects
Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Meson, High Energy Physics::Lattice, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, Hadron, Scalar (mathematics), Perturbative QCD, Elementary particle, Gluon, Nuclear physics, Particle decay, High Energy Physics::Experiment
Abstract

We have measured the distributions of the jet energies in {ital e{sup +}e{sup {minus}}{r_arrow}q{bar q}g} events, and of the three orientation angles of the event plane, using hadronic {ital Z{sup 0}} decays collected in the SLD experiment at SLAC. We find that the data are well described by perturbative QCD incorporating vector gluons. We have also studied models of scalar and tensor gluon production and find them to be incompatible with our data. {copyright} {ital 1997} {ital The American Physical Society}

Published
1997

3. Polarized Bhabha Scattering and a Precision Measurement of the Electron Neutral Current Couplings

Author

C. Fan, T.J. Pavel, C. Simopoulos, R. Frey, M. Dima, A. Lu, G. M. Bilei, G. R. Bower, J. R. Johnson, James Shank, R. E. Cassell, P.E. Rensing, Andrea Castro, S. Dasu, M. E. Huffer, Robert Wilson, J. A. Coller, K. T. Pitts, V. Cook, R. de Sangro, G. Hallewell, T. H. Burnett, J. Wyss, K. Furuno, Yukio Hasegawa, D. Falciai, R. Cowan, C. Zeitlin, R. Kajikawa, Rafe Schindler, H. Steiner, D. G. Coyne, I. M. Peruzzi, E. Mazzucato, R. Ben-David, J. Zhou, T. Bolton, R. Dubois, C. C. Young, G. H. Zapalac, M. Kalelkar, A. Seiden, H. A. Neal, K.C. Moffeit, G. Shapiro, B. Camanzi, R. Steiner, P.Y.C. Du, B. Mours, S. Gonzalez, E. L. Hart, G. Blaylock, S. J. Yellin, Alberto Benvenuti, C. J. Ahn, R.D. Elia, G. E. Gladding, C. Y. Prescott, S. Sen, Y. Ohnishi, W. J. Wisniewski, J. E. Brau, N.M. Krishna, A. S. Johnson, H. Kawahara, A. O. Bazarko, A. Calcaterra, Y. Iwasaki, T. L. Usher, J.P. Venuti, H. Park, F. E. Taylor, T. Maruyama, D. J. Sherden, J. M. Yamartino, C.J.S. Damerell, J. R. Bogart, C. Baltay, H. Masuda, J. Quigley, T. Takahashi, B. N. Ratcliff, R. King, T. Gillman, T. Nagamine, E. W. Hughes, S. H. Williams, D. W. G. S. Leith, C. Vannini, P. De Simone, Michael H. Shaevitz, L. Pescara, S. Hedges, Stephen Robert Wagner, D. Su, Y. Kim, M. Carpinelli, P. Stamer, M. Loreti, Wit Busza, A. P. Waite, D. L. Burke, O. H. Saxton, W. M. Bugg, M. Piccolo, M. Cavalli-Sforza, A. Sugiyama, G. B. Word, M. Nussbaum, D. Aston, R. Cotton, H. R. Band, Shinzo Suzuki, Nicola Bacchetta, M. Woods, V. V. Serbo, Thomas W. Markiewicz, U. Schneekloth, E. Torrence, Rino Castaldi, H. O. Cohn, R. Massetti, D. Calloway, M. Langston, O. Bardon, David O. Caldwell, M. G. Strauss, T. Akagi, L. Piemontese, F. Suekane, G. Baranko, G. D. Punkar, J. D. Turk, W. W. Ash, Brian Meadows, B. A. Schumm, Enrico Pieroni, M. Swartz, R. S. Panvini, S. L. White, L. S. Rochester, Timothy Barklow, S. R. Smith, J. F. Labs, T. W. Reeves, Koji Abe, T. Schalk, Michael J. Fero, X. Yang, K.G. Baird, J. Ma, Fred Wickens, D. C. Williams, A.B. d'Oliveira, David A. Williams, A. K. McKemey, S. Willocq, U. Nauenberg, M. D. Hildreth, S. L. Shapiro, T. Bienz, Martin Breidenbach, Roberto Dell'Orso, R. K. Yamamoto, Stephen Watts, Piero Giorgio Verdini, P. N. Burrows, Dario Bisello, J. Va'vra, Giancarlo Mantovani, P. C. Rowson, H. Hwang, J. J. Russell, R. Messner, M.B. Barakat, L.S. Osborne, J. A. Snyder, J. S. Whitaker, H. L. Lynch, J. Rothberg, R. A. Johnson, H. Yuta, I. Abt, E. Vella, N. B. Sinev, G. Mancinelli, E. Church, T. Junk, R.J. Plano, S. Manly, R. W. Zdarko, M.E. King, R. Prepost, P.F. Jacques, X. Liu, S. S. Hertzbach, Henry W. Kendall, A. W. Weidemann, Amitabh Lath, G. Muller, R. R. Kofler, J. A. Lauber, J. A. Jaros, A. Szumilo, R. Kroeger, P. M. Mockett, J. Huber, I. Karliner, Dominik Müller, B. I. Eisenstein, Abe, K, Abt, I, Ahn, C, Akagi, T, Ash, W, Aston, D, Bacchetta, N, Baird, K, Baltay, C, Band, H, Barakat, M, Baranko, G, Bardon, O, Barklow, T, Bazarko, A, Bendavid, R, Benvenuti, A, Bienz, T, Bilei, G, Bisello, D, Blaylock, G, Bogart, J, Bolton, T, Bower, G, Brau, J, Breidenbach, M, Bugg, W, Burke, D, Burnett, T, Burrows, P, Busza, W, Calcaterra, A, Caldwell, D, Calloway, D, Camanzi, B, Carpinelli, M, Cassell, R, Castaldi, R, Castro, A, Cavallisforza, M, Church, E, Cohn, H, Coller, J, Cook, V, Cotton, R, Cowan, R, Coyne, D, Doliveira, A, Damerell, C, Dasu, S, Desangro, R, Desimone, P, Dellorso, R, Dima, M, Du, P, Dubois, R, Eisenstein, B, Elia, R, Falciai, D, Fan, C, Fero, M, Frey, R, Furuno, K, Gillman, T, Gladding, G, Gonzalez, S, Hallewell, G, Hart, E, Hasegawa, Y, Hedges, S, Hertzbach, S, Hildreth, M, Huber, J, Huffer, M, Hughes, E, Hwang, H, Iwasaki, Y, Jacques, P, Jaros, J, Johnson, A, Johnson, J, Johnson, R, Junk, T, Kajikawa, R, Kalelkar, M, Karliner, I, Kawahara, H, Kendall, H, Kim, Y, King, M, King, R, Kofler, R, Krishna, N, Kroeger, R, Labs, J, Langston, M, Lath, A, Lauber, J, Leith, D, Liu, X, Loreti, M, Lu, A, Lynch, H, Ma, J, Mancinelli, G, Manly, S, Mantovani, G, Markiewicz, T, Maruyama, T, Massetti, R, Masuda, H, Mazzucato, E, Mckemey, A, Meadows, B, Messner, R, Mockett, P, Moffeit, K, Mours, B, Muller, G, Muller, D, Nagamine, T, Nauenberg, U, Neal, H, Nussbaum, M, Ohnishi, Y, Osborne, L, Panvini, R, Park, H, Pavel, T, Peruzzi, I, Pescara, L, Piccolo, M, Piemontese, L, Pieroni, E, Pitts, K, Plano, R, Prepost, R, Prescott, C, Punkar, G, Quigley, J, Ratcliff, B, Reeves, T, Rensing, P, Rochester, L, Rothberg, J, Rowson, P, Russell, J, Saxton, O, Schalk, T, Schindler, R, Schneekloth, U, Schumm, B, Seiden, A, Sen, S, Serbo, V, Shaevitz, M, Shank, J, Shapiro, G, Shapiro, S, Sherden, D, Simopoulos, C, Sinev, N, Smith, S, Snyder, J, Stamer, P, Steiner, H, Steiner, R, Strauss, M, Su, D, Suekane, F, Sugiyama, A, Suzuki, S, Swartz, M, Szumilo, A, Takahashi, T, Taylor, F, Torrence, E, Turk, J, Usher, T, Vavra, J, Vannini, C, Vella, E, Venuti, J, Verdini, P, Wagner, S, Waite, A, Watts, S, Weidemann, A, Whitaker, J, White, S, Wickens, F, Williams, D, Williams, S, Willocq, S, Wilson, R, Wisniewski, W, Woods, M, Word, G, Wyss, J, Yamamoto, R, Yamartino, J, Yang, X, Yellin, S, Young, C, Yuta, H, Zapalac, G, Zdarko, R, Zeitlin, C, and Zhou, J

Subjects
010302 applied physics, Physics, Coupling, Particle physics, Neutral current, 010308 nuclear & particles physics, FOS: Physical sciences, General Physics and Astronomy, Resonance, Weinberg angle, Electron, 01 natural sciences, Physics::History of Physics, High Energy Physics - Experiment, Standard Model, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, High Energy Physics::Experiment, Bhabha scattering
Abstract

We present the first measurement of the left-right asymmetry in Bhabha scattering with a polarized electron beam. The effective electron vector and axial vector couplings to the Z0 are extracted from a combined analysis of the polarized Bhabha scattering data and the left-right asymmetry previously published by this collaboration., PHYZZX, 17 pages, SLAC-PUB-6605

Published
1995

4. Measurement of Multiplicity and Momentum Spectra In the Current Fragmentation Region of the Breit Frame At Hera

Author

H.G.J.M. Tiecke, D. Haun, F. Benard, S. Kartik, K. Desler, E. McCliment, Nicolo Cartiglia, Mariusz Przybycien, I. Fleck, S. Yang, A. Seiden, Francois Corriveau, S. Campbell-Robson, R.S. Gilmore, D. J. Gilkinson, H.J. Grabosch, A. Meyer, Matthias Kasemann, K. M. Furutani, D. Notz, S. H. Yon, T. W. Jones, Anna Goussiou, G. L. Bashindzhagyan, N. P. Zotov, W.B. Schmidke, R. J. Teuscher, A. Kotański, W. Metcalf, I. H. Park, Ben Bylsma, J. Milewski, O. Deppe, J. F. Martin, H. Hartmann, Jose M Hernandez, Sridhara Dasu, Halina Abramowicz, G. Lacobucci, S.S. Wilson, A. Eskreys, A. T. Doyle, L. Labarga, B. Surrow, N. Pavel, I. Suzuki, R. Yoshida, Marcel Vreeswijk, T. Yip, Hartmut Sadrozinski, Guenter Wolf, A. Bernstein, Y. Zamora Garcia, Wouter Verkerke, Thomas Trefzger, R. Schattevoy, J.B. Lane, Rr Rau, L. Köpke, T. Voß, U. Holm, R. R. McNeil, B. A. Dolgoshein, J.D. McFall, J. Del Peso, William S. Lockman, P.F. Ermolov, D. Zer-Zion, R. Imlay, S. Magill, I. A. T. Bauerdick, Andrea Contin, C. Fordham, L. M. Shcheglova, Y. Nakamitsu, Katsuo Tokushuku, K. Charchuła, A. Bruni, R. Loveless, A. Nigro, L.E. Sinclair, K. Homma, Ada Solano, Giuseppe Levi, M.B. Crombie, R. J. Tapper, M. Löwe, S. Dagan, S. Limentani, M. Khakzad, Umberto Dosselli, A. Kruse, M. L. Cardy, K. Jelen, P. Cloth, K. Honscheid, Yu. A. Golubkov, Marco Schioppa, B. Lu, Cristiana Peroni, Douglas Gingrich, W.R. Frisken, H.-P. Jakob, A.F. Whitfield, S.M. Mari, I. Ali, M. Geerts, K. Blankenship, R. L. Saunders, Hao Zhang, J. Kochocki, P. G. Pelfer, P. Luffman, A. Frey, K. Prytz, D. S. Bailey, B. D. Burow, Helen F Heath, Krzysztof Piotrzkowski, Janusz Chwastowski, Y Zhang, E. Barberis, A. N. Solomin, R. J. Cashmore, U. Mallik, Greg P Heath, R. Brugnera, C.R. Sampson, J. J. Whitmore, Jeffrey T. Rahn, M. Posocco, Geoffrey Smith, J.F. Zhou, V. A. Kuzmin, D. C. Bailey, M. De Giorgi, S. Bhadra, Yasunori Yamazaki, J. M. Pawlak, G.A. Blair, K. Eskreys, W.N. Murray, G. Anzivino, J. Mollen, H. Hultschig, C.J.S. Morgado, R. Seidlein, Giancarlo Susinno, M. Roco, Michele Arneodo, E. A. De Wolf, Vladimir Bashkirov, M. Derrick, P. M. Patel, V. Stamm, T. Tymieniecka, P. Bruni, Costas Foudas, Gm Levman, John Hart, H. I. Kim, M. Nakao, P. Borzemski, A. Mass, K. K. Joo, A.S. Wilson, I. Butterworth, T.P. Shah, J. A. O'Mara, J. Große-Knetter, U. Schneckloth, G. Grzelak, L.W. Mo, Christian Nemoz, Y. Iga, O. Mańczak, K. Yamauchi, G. F. Hartner, Masashi Hazumi, T. C. Bacon, G. Cara Romeo, S. M. Wang, S. Eisenhardt, D. H. Saxon, Antonino Zichichi, S.H. An, B. Gutjahr, N. Dyce, C. Rembser, U. Kötz, A. Caldwell, C. Voci, Fernando Barreiro, N. A. McCubbin, S. De Pasquale, Martin Utley, A. Prinias, Mauro Morandin, Jose Repond, K. Ohrenberg, A. Cassidy, G. Geitz, M. Nakahata, K. Muchorowski, Ta Romanowski, K.W. McLean, L. W. Hung, D. Krakauer, W. Koch, B. Y. H. Hung, I. F. de Trocóniz, A. Ladage, Meng Wang, W. H. Smith, A. A. Savin, T. Tsurugai, I. Gialas, V. K. Nadendla, J. Schroeder, R. J. Nowak, S. Söldner-Rembold, T. 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Miller, M.A.J. Botje, Robert Klanner, A. Vaiciulis, J. Gajewski, Ricardo Graciani, M. Eckert, L. Bellagamba, Y. Eisenberg, M. Basile, V. D. Kobrin, T. Dubbs, J. Biltzinger, C. P. Fagerstroem, F. Palmonari, R. Walczak, K. Heinloth, Giuseppe Barbagli, Amedeo Staiano, Danuta Kisielewska, G. Sartorelli, T. Massam, D. Filges, A. Bertolin, L. Zawiejski, M. Lancaster, C. Youngman, Roberto Cirio, J.T. Wu, J. Zając, D. Mikunas, M. Rohde, A. H. Walenta, B. Musgrave, M. St.Laurent, K. Wick, P. Morawitz, G. Briskin, E. Paul, Q. Zhu, A. Stifutkin, Aleksander Filip Żarnecki, Silvia Maselli, R. G. Field, J. Ciborowski, R. Ullmann, D. Horstmann, R. Timellini, A. Dake, N. H. Brook, M. Dardo, C. Coldewey, V. L. Harris, Lucia Votano, C. Nath, D. Lüke, H. Heßling, A. Polini, M. H. Suh, T.L. Short, Efstathios Stiliaris, D. Daniels, M. de Kamps, J. F. Labs, Giovanni Maccarrone, S. Schlenstedt, P. J. Bussey, Roberto Carlin, D.D. Reeder, B. Diekmann, M. Wodarczyk, P. B. Kaziewicz, L. Lamberti, H. Uijterwaal, S. Mengel, J. Mainusch, Avto Kharchilava, W. Schott, Cd Catterall, and P. Göttlicher

Subjects
Quark, Particle physics, E+E ANNIHILATION, Physics and Astronomy (miscellaneous), LUND MONTE-CARLO, FOS: Physical sciences, Elementary particle, ZEUS, SIMULTANEOUS PATTERN-RECOGNITION, CENTRAL TRACKING DETECTOR, KALMAN FILTERING METHOD, JET FRAGMENTATION, HADRON DISTRIBUTIONS, QUARK FRAGMENTATION, PETRA ENERGIES, QCD JETS, 7. Clean energy, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), deep inelastic scattering, 0103 physical sciences, Quantum field theory, Multiplicity (chemistry), 010306 general physics, Engineering (miscellaneous), Physics, Quantum chromodynamics, 010308 nuclear & particles physics, HERA, Deep inelastic scattering, Charged particle, High Energy Physics::Experiment
Abstract

Charged particle production has been measured in Deep Inelastic Scattering (DIS) events using the ZEUS detector over a large range of $Q^2$ from 10 to $1280 {\rm\ GeV}^2$. The evolution with $Q$ of the charged multiplicity and scaled momentum has been investigated in the current fragmentation region of the Breit frame. The data are used to study QCD \linebreak coherence effects in DIS and are compared with corresponding \ee~data in order to test the universality of quark fragmentation., 33 pages, latex, 8 figures appended as uuencoded file

Published
1995

5. Measurement of the Proton Structure-function F2 In ep Scattering At Hera

Author

E. Barberis, Fernando Barreiro, U. Mallik, T. Khatri, J.W. Mitchell, Greg P Heath, Mauro Morandin, Z. Jakubowski, R. Gläser, L. W. Hung, A. Bargende, D. Revel, A. A. Voronin, A. Meyer, A. Montag, Marcel Vreeswijk, J. Del Peso, L.E. Sinclair, K. Homma, M.B. Crombie, Marco Schioppa, P. G. Pelfer, S.J.P. Smith, I. McArthur, P. Bruni, Costas Foudas, L.W. Mo, K. U. Pösnecker, R. Seidlein, J. F. Martin, A. Mass, Guenter Wolf, A. Bernstein, Y. Zamora Garcia, A. Caldwell, F. Frasconi, M. Lancaster, D.D. Reeder, Masashi Hazumi, H. F.W. Sadrozinski, A. Shapira, B. Diekmann, R. Yoshida, B.D. Burow, F. Bernard, N. A. McCubbin, D. Haun, C. Del Papa, J.R. Forbes, K.W. McLean, F. J. Sciulli, A. Ladage, T. Kȩdzierski, A. Vorvolakos, G. Cases, M. Krzyanowski, A. Freidhof, B. Lu, T. Nagira, S. Söldner-Rembold, C.J.S. Morgado, Michele Arneodo, N.C. Roocroft, S.H. An, B. Gutjahr, J. M. Pawlak, R. Meijer Drees, P. Giusti, R. Brugnera, C. Fordham, V. A. Kuzmin, D. C. Bailey, M. De Giorgi, P.M. Hallam-Baker, T.L. Short, Efstathios Stiliaris, G. Castellini, M. Zachara, M. Iori, G. Drews, A. Nigro, Michele Guida, Jose Repond, James Crittenden, J. A. Parsons, J. Roldán, M. de Kamps, J. Nash, M. Kückes, R. van Woudenberg, L. Lamberti, G. Grzelak, D. Schramm, C. A. Heusch, T. C. Bacon, S. Böttcher, W. Hain, A. Eskreys, Gm Levman, S. Kramaczyk, A. Dwuraźny, A.F. Whitfield, A. A. Savin, Detlef Filges, H. Uijterwaal, H. J. Kim, M.A.J. Botje, F. Arzarello, K. Muchorowski, D. K. Hasell, E. Gallo, P.M. Patel, K. O'Shaughnessy, Mariusz Flasiński, L. Suszycki, Giovanni Maccarrone, K. Prytz, A. Byrne, S. De Pasquale, W.N. Murray, G. Anzivino, A Furtjes, F. Gasparini, A. Kruse, S. Schlenstedt, P. J. Bussey, J. Shulman, A. Zichini, W. H. Smith, G. Gloth, H. Müsch, R. Wedemeyer, Rosario Nania, Sung Keun Park, Ulf Behrens, Federico Cindolo, H. Kowalski, S. Qian, E. Lohrmann, F. Ciralli, H. Kreutzmann, I. Gialas, O. Lin, Silvia Maselli, M. Momayezi, M. Nuti, Juan Terron, M. Kasprzak, M. Nakao, P. Borzemski, E. Badura, Mário Costa, U. Contino, Samuel Silverstein, L. Hagge, J. Schroeder, F.S. Chlebana, Amedeo Staiano, Cg Matthews, S. W. Nam, A. Dannemann, T. Ishii, K.M. Furutani, I. Fleck, Leszek Adamczyk, M.I. Ferrero, J.D. Prentice, R. Timellini, A. Dake, N. H. Brook, V. L. Harris, G. Feild, J. Bulmahn, N. Pavel, P. Erhard, Jens Hartmann, W. Schulz, R. Loveless, I. Suzuki, P. Kooijman, T. S. Yoon, Giuseppe Iacobucci, T. Poser, S. Ritz, D. S. Hanna, R. J. Seifert, J.B. Lane, William S. Lockman, Anselmo Margotti, L.W. Wiggers, H. van der Lugt, Rr Rau, M. Geerts, K. Blankenship, R. R. McNeil, Danuta Kisielewska, A. Stopczyński, C. Youngman, C.R. Sampson, A. Contin, L. Köpke, Stefano Maria Mari, L. Bellagamba, A. Francescato, A. M. Cooper-Sarkar, S. Dagan, K. Charchuła, A. Bruni, J. K. Bienlein, J. Ciborowski, R. Ullmann, D. J. Gilkinson, W. Metcalf, Ta Romanowski, F. Dal Corso, M. Löwe, M. Dardo, Masami Chiba, K. Honscheid, Yu. A. Golubkov, S. Nagayama, P. Göttlicher, T. Hasegawa, J. Zaja̧c, Klaus Kurt Desch, A. Leich, S. Mengel, J. Mainusch, J. J. Whitmore, A.G. Tenner, H. Tiecke, F. Ikraiam, S. Nickel, D. B. Miller, U. Holm, Debades Bandyopadhyay, J. Gajewski, C. Coldewey, M. Posocco, B. Nizioł, B. Krebs, M. Basile, F. F. Wilson, T. Massam, J. Biltzinger, M. Chiarini, C. Peroni, M. Roco, Geoffrey Smith, K. Wick, C. Rethfeldt, W. Schott, Cd Catterall, H.-P. Jacob, F. Palmonari, E. Tscheslog, D. Westphal, G. Theisen, U. Karshon, A.F. arnecki, Krzysztof Piotrzkowski, Jonathan Butterworth, F. W. Bullock, G. Geitz, Luis Hervas, S. M. Hong, R. L. Talaga, D. Boscherini, G. Susinno, A.H. Walenta, Saverio D'Auria, D. Krakauer, Kr Long, D. Lüke, D. Zer-Zion, M. H. Suh, J.S.T. Ng, J. Kochocki, Simon George, Tachishige Hirose, Roberto Sacchi, Y. Nagasawa, A. Prinias, W. Koch, B. Hubbard, Giuseppe Levi, M. Kuze, R. Hamatsu, Tadeusz Kowalski, L. Wai, K. Jelen, J. Engelen, P.L. Makkar, R. Stroili, J. Mollen, G. Poelz, J.K. Mayer, Aharon Levy, D. 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Schulz, W, Selonke, F, Stiliaris, E, Tscheslog, E, Tsurugai, T, Vogel, W, Westphal, D, Wolf, G, Youngman, C, Grabosch, Hj, Leich, A, Meyer, A, Rethfeldt, C, Schlenstedt, S, Barbagli, G, Francescato, A, Nuti, M, Pelfer, P, Anzivino, G, Casaccia, R, Depasquale, S, Qian, S, Votano, L, Bamberger, A, Freidhof, A, Poser, T, Soldnerrembold, S, Theisen, G, Trefzger, T, Brook, Nh, Bussey, Pj, Doyle, At, Forbes, Jr, Jamieson, Va, Raine, C, Saxon, Dh, Bruckmann, H, Gloth, G, Holm, U, Kammerlocher, H, Krebs, B, Neumann, T, Wick, K, Furtjes, A, Lohrmann, E, Milewski, J, Nakahata, M, Pavel, N, Poelz, G, Schott, W, Terron, J, Zetsche, F, Bacon, Tc, Beuselinck, R, Butterworth, I, Gallo, E, Harris, Vl, Miller, Db, Prinias, A, Sedgbeer, Jk, Vorvolakos, A, Whitfield, A, Bienz, T, Kreutzmann, H, Mallik, U, Mccliment, E, Roco, M, Wang, Mz, Cloth, P, Filges, D, An, Sh, Hong, S, Kim, Co, Kim, Ty, Nam, Sw, Park, Sk, Suh, Mh, Yon, Sh, Imlay, R, Kartik, S, Kim, Hj, Mcneil, Rr, Metcalf, W, Nadendla, Vk, Barreiro, F, Cases, G, Hervas, L, Labarga, L, Delpeso, J, Detroconiz, Jf, Ikraiam, F, Mayer, Jk, Smith, Gr, Corriveau, F, Hanna, D, Hartmann, J, Hung, Lw, Lim, Jn, Drees, Rm, Matthews, C, Mitchell, Jw, Patel, Pm, Sinclair, Le, Stairs, Dg, Stlaurent, M, Ullmann, R, Bashindzhagyan, Gl, Ermolov, Pf, Gladilin, Lk, Golubkov, Ya, Kuzmin, Va, Kuznetsov, En, Savin, Aa, Voronin, Ag, Zotov, Np, Bentvelsen, S, Botje, M, Dake, A, Engelen, J, Dejong, P, Dekamps, M, Kooijman, P, Kruse, A, Vanderlugt, H, Odell, V, Tenner, A, Tiecke, H, Uijterwaal, H, Vreeswijk, M, Wiggers, L, Dewolf, E, Vanwoudenberg, R, Bylsma, B, Durkin, L, Honscheid, K, Li, C, Ling, Ty, Mclean, Kw, Murray, Wn, Park, Ih, Romanowski, Ta, Seidlein, R, Blair, Ga, Byrne, A, Cashmore, Rj, Coopersarkar, Am, Devenish, Rce, Gingrich, Dm, Hallambaker, Pm, Harnew, N, Khatri, T, Long, Kr, Luffman, P, Mcarthur, I, Morawitz, P, Nash, J, Smith, Sjp, Roocroft, Nc, Wilson, Ff, Abbiendi, G, Brugnera, R, Carlin, R, Dalcorso, F, Degiorgi, M, Dosselli, U, Gasparini, F, Limentani, S, Morandin, M, Posocco, M, Stanco, L, Stroili, R, Voci, C, Butterworth, Jm, Bulmahn, J, Feild, G, Oh, By, Whitmore, J, Contino, U, Dagostini, G, Guida, M, Iori, M, Mari, Stefano Maria, Marini, G, Mattioli, M, Nigro, A, Hart, Jc, Mccubbin, Na, Prytz, K, Shah, Tp, Short, Tl, Barberis, E, Cartiglia, N, Heusch, C, Hubbard, B, Leslie, J, Lockman, W, Oshaughnessy, K, Sadrozinski, Hf, Seiden, A, Zerzion, D, Badura, E, Biltzinger, J, Seifert, Rj, Walenta, Ah, Zech, G, Dagan, S, Levy, A, Hasegawa, T, Hazumi, M, Ishii, T, Kasai, S, Kuze, M, Mine, S, Nagasawa, Y, Nagira, T, Nakao, M, Okuno, H, Suzuki, I, Tokushuku, K, Yamada, S, Yamazaki, Y, Chiba, M, Hamatsu, R, Hirose, T, Homma, K, Kitamura, S, Nagayama, S, Nakamitsu, Y, Cirio, R, Costa, M, Ferrero, Mi, Lamberti, L, Maselli, S, Peroni, C, Solano, A, Sacchi, R, Staiano, A, Dardo, M, Bailey, Dc, Bandyopadhyay, D, Benard, F, Bhadra, S, Brkic, M, Burow, Bd, Chlebana, F, Crombie, Mb, Hartner, Gf, Levman, Gm, Martin, Jf, Orr, R, Prentice, Jd, Sampson, Cr, Stairs, Gg, Teuscher, Rj, Yoon, T, Bullock, Fw, Catterall, Cd, Giddings, Jc, Jones, Tw, Khan, Am, Lane, Jb, Makkar, Pl, Shaw, D, Shulman, J, Blankenship, K, Kochocki, J, Lu, B, Mo, Lw, Charchula, K, Ciborowski, J, Gajewski, J, Grzelak, G, Kasprzak, M, Krzyzanowski, M, Muchorowski, K, Nowak, Rj, Pawlak, Jm, Stopczynski, A, Tymieniecka, T, Walczak, R, Wroblewski, Ak, Zakrzewski, Ja, Zarnecki, Af, Adamus, M, Abramowicz, H, Eisenberg, Y, Glasman, C, Karshon, U, Montag, A, Revel, D, Shapira, A, Foudas, C, Fordham, C, Loveless, Rj, Goussiou, A, Ali, I, Behrens, B, Dasu, S, Reeder, Dd, Smith, Wh, Silverstein, S, Frisken, Wr, Furutani, Km, and Iga, Y.

Subjects
structure functions, deep inelastic scattering, Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), ZEUS (particle detector), Proton, E+E-PHYSICS, Scattering, LUND MONTE-CARLO, DESY, Elementary particle, ZEUS, HERA, Deep inelastic scattering, QCD, lcsh:QC1-999, JET FRAGMENTATION, Nuclear physics, MODEL, INELASTIC MUON SCATTERING, lcsh:Physics
Abstract

This paper presents our first measurement of the F 2 structure function in neutral-current, deep inelastic scattering using the ZEUS detector at HERA, the ep colliding beam facility at DESY. The data correspond to an integrated luminosity of 24.7 nb −1 . Results are presented for data in range of Q 2 from 10 GeV 2 to 4700 GeV 2 and Bjorken x down to 3.0 × 10 −4 . The F 2 structure function increases rapidly as x decreases.

Published
1993

6. Search for excited electrons using the ZEUS detector

Author

J. F. Martin, Fernando Barreiro, Mauro Morandin, Z. Jakubowski, J. Mollen, M. Iori, Guenter Wolf, A. Bernstein, Y. Zamora Garcia, E.N. Kuznetsov, Marcel Vreeswijk, O. Mańczak, G. F. Hartner, Nicolo Cartiglia, S. Yang, R.S. Gilmore, R. Casaccia, J. F. Labs, J. Kochocki, Rosario Nania, F. J. Sciulli, A. Freidhof, B. Lu, L. W. Hung, A. Bargende, Danuta Kisielewska, James Crittenden, A. Prinias, D. Revel, A. A. Voronin, H.F. Sadronzinski, R.J. Tapper, H.J. Grabosch, E. Rulikowska-Zarȩbska, J.A. Zakrzewski, A Furtjes, F. Gasparini, W. Koch, S.S. Wilson, T. Y. Kim, S. Mengel, C. Raine, A. Stopczyński, C. Youngman, S.H. An, J. Mainusch, J. Leslie, Tadeusz Kowalski, T. Watanabe, A. Meyer, Roberto Carlin, B. Gutjahr, A. Dannemann, D. Monaldi, M. Mattioli, G. Poelz, Eduardo Ros, R. J. Cashmore, D. Schramm, C. A. Heusch, Lothar At Bauerdick, Lucia Votano, C. Rethfeldt, W. Schott, Cd Catterall, S. Nagayama, A. Montag, M. Kückes, J. Bulmahn, Luis Labarga, F. W. Bullock, E. Lohrmann, F. Ikraiam, M. Derrick, F. Arzarello, H. Kreutzmann, J. Del Peso, T. Tymieniecka, Mariusz Flasiński, L.E. Sinclair, Marco Schioppa, P. G. Pelfer, S.J.P. Smith, A. Byrne, F.S. Chlebana, K.M. Furutani, K. U. Pösnecker, U. Kötz, B. Hubbard, M.B. Crombie, R. Seidlein, K. Wick, A. Mass, Q. Lin, S. Kartik, Thomas Trefzger, W. Schulz, A. Shapira, Vivian O'Dell, Aharon Levy, T.J. Llewellyn, J. N. Lim, C. O. Kim, J. Ciborowski, R. Ullmann, R. Yoshida, S. Nickel, B.D. Burow, D. B. Miller, T. Kȩdzierski, R. Gläser, V. K. Nadendla, R. J. Nowak, Francois Corriveau, J. M. Pawlak, M. Dardo, J. Gajewski, C. Coldewey, B. Krebs, H.G.J.M. Tiecke, F. Benard, K. Muchorowski, Giuseppe Iacobucci, K. Prytz, D. Lüke, B. Löhr, Giuseppe Levi, I. Ali, R. Wedemeyer, G. Jahnen, Claudia Glasman, P. Joos, P. Giusti, D. Zer-Zion, M. Basile, B. Foster, J.-L. Schneider, W. Vogel, H. Brückmann, R. Stanek, Helen F Heath, Wr Frisken, M. H. Suh, G. Drews, J. A. Parsons, T. Massam, Luisa Cifarelli, L. K. Gladilin, Neville Harnew, J. Biltzinger, J.K. Mayer, W. Hain, P. Luffman, Luca Stanco, P. Göttlicher, A. Kotański, P. Morawitz, I. Fleck, D. Shaw, H. Hultschig, I. H. Park, J. K. Sedgbeer, K. Eskreys, H. Kammerlocher, E. Barberis, Tobias M. Haas, John Hart, S. Kasai, J. F. de Trocóniz, Ben Bylsma, J. Milewski, J. Krüger, U. Mallik, T. Khatri, J.W. Mitchell, T. Poser, T.P. Shah, D. Haun, T. Bienz, G. Bruni, D. H. Saxon, Greg P Heath, L. Zawiejski, Roberto Cirio, P. de Jong, B. Lisowski, R.C.E. Devenish, J.B. Lane, J. Zaja̧c, G. Laurenti, H. Hartmann, Rr Rau, B. Nizioł, A. Contin, L. Köpke, L. Bellagamba, A. Eskreys, M. Rohde, J. Nash, M.A.J. Botje, K. Jeleń, I. Butterworth, Douglas Gingrich, B. Musgrave, S. K. Park, A.H. Walenta, F. Palmonari, Amedeo Staiano, M. St.Laurent, F. Selonke, E. Hilger, Y. Iga, H. Müsch, E. Paul, Ulf Behrens, Federico Cindolo, M. Krzyżanowski, H. Kowalski, Sridhara Dasu, F. Ciralli, A. Cassidy, B.Y. Oh, M. Nakahata, Halina Abramowicz, L. Hagge, Y. Eisenberg, J. Whitmore, T. Ishii, C. Li, K. Heinloth, Giuseppe Barbagli, N. Dyce, R. Meijer Drees, C.J.S. Morgado, C. Voci, S. Bhadra, C. Fordham, Michele Arneodo, N.C. Roocroft, G. Castellini, U. Schneekloth, T. Neumann, T. Barillari, C. Memoz, Silvia Maselli, M. Momayezi, M. Zachara, T. Doeker, S. Kramarczyk, Ta Romanowski, Hiroshi G. Okuno, F. F. Wilson, S. Kitamura, M. Chiarini, G. Sartorelli, R. Timellini, A. Dake, N. H. Brook, V. L. Harris, Jonathan Butterworth, S. Yamada, L. S. Durkin, Ada Solano, P.M. Patel, A. A. Savin, R. Walczak, M. Adamus, G. Marini, A.K. Wróblewski, A. Bamberger, L. Suszycki, S. Limentani, R. R. McNeil, K. Charchuła, W.N. Murray, G. Anzivino, A. Bruni, A. Zichichi, Matthias Kasemann, M. Löwe, M. Nakao, P. Borzemski, D. Notz, Samuel Silverstein, G.A. Blair, M. Brkic, S. H. Yon, M. Lancaster, D. Krakauer, T. W. Jones, Anna Goussiou, D.D. Reeder, G. D'Agostini, B. Diekmann, Stan Bentvelsen, G. L. Bashindzhagyan, N. P. Zotov, W. Kröger, R. J. Teuscher, T. Y. Ling, G. Zech, Amanda Cooper-Sarkar, R. J. Seifert, Giovanni Abbiendi, Robert Klanner, A. Vorvolakos, G. Feild, Stefano Maria Mari, P. Erhard, Jens Hartmann, T.L. Short, Efstathios Stiliaris, S. Böttcher, Y. Nagasawa, L. Lamberti, H. Uijterwaal, P.F. Ermolov, M. de Kamps, P.M. Kooijman, D. K. Hasell, E. Gallo, K. O'Shaughnessy, S. Dagan, H. J. Kim, K. Honscheid, Yu. A. Golubkov, A. Francescato, M. Posocco, Geoffrey Smith, Giovanni Maccarrone, A. Kruse, J. K. Bienlein, S. Schlenstedt, P. J. Bussey, J. Shulman, F. Dal Corso, T. Hasegawa, A. Leich, P. Cloth, P.M. Hallam-Baker, R. Imlay, G. Grzelak, Af Zarnecki, Debades Bandyopadhyay, C. Del Papa, Juan Terron, M. Kasprzak, S. Magill, T. C. Bacon, G. Cases, E. Tscheslog, S. M. Hong, S. De Pasquale, R. L. Talaga, S. Qian, I. Gialas, M. Nuti, J. Schroeder, R. S. Orr, P. B. Straub, B. Behrens, G. Bari, M.I. Ferrero, V.A. Jamieson, B. Bednarek, R. Beuselinck, T. S. Yoon, H. van der Lugt, F. Zetsche, H.-P. Jakob, J. L. Thron, Masashi Hazumi, R. Brugnera, V. A. Kuzmin, D. C. Bailey, M. De Giorgi, D. J. Gilkinson, Gm Levman, P. Filges, W. Metcalf, E. Badura, U. Holm, N. A. McCubbin, Y. Nakamitsu, Katsuo Tokushuku, N. Pavel, Umberto Dosselli, S. W. Nam, David Cussans, Janusz Chwastowski, William S. Lockman, E. A. De Wolf, Krzysztof Piotrzkowski, J.J. Engelen, Kr Long, A.G. Tenner, S. Ritz, D. S. Hanna, Tachishige Hirose, Anselmo Margotti, L.W. Wiggers, G.G. Stairs, T. Tsurugai, M. Kuze, E. McCliment, J. Roldán, R. Hamatsu, J.C. Giddings, A. Seiden, Michele Guida, Jose Repond, M. Przybycień, L. Wai, Meng Wang, R. van Woudenberg, S. Repond, A. T. Doyle, A.M. Khan, W. H. Smith, G. Gloth, R. Schattevoy, Masami Chiba, P.L. Makkar, R. Stroili, Mário Costa, U. Contino, Klaus Kurt Desch, C. Peroni, R. Ayad, M. Roco, G. Cara Romeo, G. Geitz, G. Theisen, U. Karshon, Luis Hervas, D. Boscherini, G. Susinno, Saverio D'Auria, J.S.T. Ng, I. McArthur, P. Bruni, Costas Foudas, L.W. Mo, Dg Stairs, A. Caldwell, F. Frasconi, J. Malos, J.R. Forbes, K.W. McLean, A. Ladage, S. Söldner-Rembold, A. Nigro, A. Dwuraźny, A.F. Whitfield, J.D. Prentice, R. Loveless, M. Geerts, K. Blankenship, C.R. Sampson, H. Dabbous, Derrick, M, Krakauer, D, Magill, S, Musgrave, B, Repond, J, Repond, S, Stanek, R, Talaga, Rl, Thron, J, Arzarello, F, Ayad, R, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Romeo, Gc, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F, Ciralli, F, Contin, A, Lin, Q, Lisowski, B, Maccarrone, G, Margotti, A, Massam, T, Nania, R, Nemoz, C, Palmonari, F, Sartorelli, G, Timellini, R, Garcia, Yz, Zichichi, A, Bargende, A, Crittenden, J, Dabbous, H, Desch, K, Diekmann, B, Doeker, T, Geerts, M, Geitz, G, Hartmann, H, Haun, D, Heinloth, K, Hilger, E, Jakob, Hp, Kramarczyk, S, Kuckes, M, Mass, A, Mengel, S, Mollen, J, Monaldi, D, Musch, H, Paul, E, Schattevoy, R, Schneider, Jl, Schramm, D, Wedemeyer, R, Cassidy, A, Cussans, Dg, Dyce, N, Foster, B, Gilmore, R, Heath, Gp, Heath, Hf, Lancaster, M, Llewellyn, Tj, Malos, J, Morgado, Cj, Tapper, Rj, Wilson, S, Yoshida, R, Rau, Rr, Arneodo, M, Barillari, T, Schioppa, M, Susinno, G, Bernstein, A, Caldwell, A, Gialas, I, Parsons, Ja, Ritz, S, Sciulli, F, Straub, Pb, Wai, L, Yang, S, Chwastowski, J, Dwurazny, A, Eskreys, A, Jakubowski, Z, Niziol, B, Piotrzkowski, K, Zachara, M, Zawiejski, L, Bednarek, B, Borzemski, P, Eskreys, K, Jelen, K, Kisielewska, D, Kowalski, T, Rulikowskazarebska, E, Suszycki, L, Zajac, J, Kedzierski, T, Kotanski, A, Przybycien, M, Bauerdick, Lat, Behrens, U, Bienlein, Jk, Bottcher, S, Coldewey, C, Dannemann, A, Drews, G, Erhard, P, Flasinski, M, Fleck, I, Glaser, R, Gottlicher, P, Gutjahr, B, Haas, T, Hagge, L, Hain, W, Hasell, D, Hultschig, H, Jahnen, G, Joos, P, Kasemann, M, Klanner, R, Koch, W, Kopke, L, Kotz, U, Kowalski, H, Kruger, J, Labs, J, Ladage, A, Lohr, B, Lowe, M, Luke, D, Mainusch, J, Manczak, O, Momayezi, M, Ng, Jst, Nickel, S, Notz, D, Posnecker, Ku, Rohde, M, Roldan, J, Ros, E, Schneekloth, U, Schroeder, J, Schulz, W, Selonke, F, Stiliaris, E, Tscheslog, E, Tsurugai, T, Vogel, W, Wolf, G, Youngman, C, Grabosch, Hj, Leich, A, Meyer, A, Rethfeldt, C, Schlenstedt, S, Barbagli, G, Francescato, A, Nuti, M, Pelfer, P, Anzivino, G, Casaccia, R, Depasquale, S, Qian, S, Votano, L, Bamberger, A, Freidhof, A, Kroger, W, Poser, T, Soldnerrembold, S, Theisen, G, Trefzger, T, Brook, Nh, Bussey, Pj, Doyle, At, Forbes, Jr, Jamieson, Va, Raine, C, Saxon, Dh, Bruckmann, H, Gloth, G, Holm, U, Kammerlocher, H, Krebs, B, Neumann, T, Wick, K, Furtjes, A, Lohrmann, E, Milewski, J, Nakahata, M, Pavel, N, Poelz, G, Schott, W, Terron, J, Zetsche, F, Bacon, Tc, Beuselinck, R, Butterworth, I, Gallo, E, Harris, Vl, Miller, Db, Prinias, A, Sedgbeer, Jk, Vorvolakos, A, Whitfield, A, Bienz, T, Kreutzmann, H, Mallik, U, Mccliment, E, Roco, M, Wang, Mz, Cloth, P, Filges, D, An, Sh, Hong, Sm, Kim, Co, Kim, Ty, Nam, Sw, Park, Sk, Suh, Mh, Yon, Sh, Imlay, R, Kartik, S, Kim, Hj, Mcneil, Rr, Metcalf, W, Nadendla, Vk, Barreiro, F, Cases, G, Hervas, L, Labarga, L, Delpeso, J, Detroconiz, Jf, Ikraiam, F, Mayer, Jk, Smith, Gr, Corriveau, F, Gilkinson, Dj, Hanna, D, Hartmann, J, Hung, Lw, Lim, Jn, Drees, Rm, Mitchell, Jw, Patel, Pm, Sinclair, Le, Stairs, Dg, Stlaurent, M, Ullmann, R, Bashindzhagyan, Gl, Ermolov, Pf, Gladilin, Lk, Golubkov, Ya, Kuzmin, Va, Kuznetsov, En, Savin, Aa, Voronin, Ag, Zotov, Np, Bentvelsen, S, Botje, M, Dake, A, Engelen, J, Dejong, P, Dekamps, M, Kooijman, P, Kruse, A, Vanderlugt, H, Odell, V, Tenner, A, Tiecke, H, Uijterwaal, H, Vreeswijk, M, Wiggers, L, Dewolf, E, Vanwoudenberg, R, Bylsma, B, Durkin, L, Honscheid, K, Li, C, Ling, Ty, Mclean, Kw, Murray, Wn, Park, Ih, Romanowski, Ta, Seidlein, R, Blair, Ga, Byrne, A, Cashmore, Rj, Coopersarkar, Am, Devenish, Rce, Gingrich, Dm, Hallambaker, Pm, Harnew, N, Khatri, T, Long, Kr, Luffman, P, Mcarthur, I, Morawitz, P, Nash, J, Smith, Sjp, Roocroft, Nc, Wilson, Ff, Abbiendi, G, Brugnera, R, Carlin, R, Dalcorso, F, Degiorgi, M, Dosselli, U, Gasparini, F, Limentani, S, Morandin, M, Posocco, M, Stanco, L, Stroili, R, Voci, C, Butterworth, Jm, Bulmahn, J, Feild, G, Oh, By, Whitmore, J, Contino, U, Dagostini, G, Guida, M, Iori, M, Mari, Stefano Maria, Marini, G, Mattioli, M, Nigro, A, Hart, Jc, Mccubbin, Na, Prytz, K, Shah, Tp, Short, Tl, Barberis, E, Cartiglia, N, Heusch, C, Hubbard, B, Leslie, J, Lockman, W, Oshaughnessy, K, Sadrozinski, Hf, Seiden, A, Zerzion, D, Badura, E, Biltzinger, J, Seifert, Rj, Walenta, Ah, Zech, G, Dagan, S, Levy, A, Hasegawa, T, Hazumi, M, Ishii, T, Kasai, S, Kuze, M, Nagasawa, Y, Nakao, M, Okuno, H, Tokushuku, K, Watanabe, T, Yamada, S, Chiba, M, Hamatsu, R, Hirose, T, Kitamura, S, Nagayama, S, Nakamitsu, Y, Cirio, R, Costa, M, Ferrero, Mi, Lamberti, L, Maselli, S, Peroni, C, Solano, A, Staiano, A, Dardo, M, Bailey, Dc, Bandyopadhyay, D, Benard, F, Bhadra, S, Brkic, M, Burow, Bd, Chlebana, F, Crombie, Mb, Hartner, Gf, Levman, Gm, Martin, Jf, Orr, R, Prentice, Jd, Sampson, Cr, Stairs, Gg, Teuscher, Rj, Yoon, T, Bullock, Fw, Catterall, Cd, Giddings, Jc, Jones, Tw, Khan, Am, Lane, Jb, Makkar, Pl, Shaw, D, Shulman, J, Blankenship, K, Kochocki, J, Lu, B, Mo, Lw, Charchula, K, Ciborowski, J, Gajewski, J, Grzelak, G, Kasprzak, M, Krzyzanowski, M, Muchorowski, K, Nowak, Rj, Pawlak, Jm, Stopczynski, A, Tymieniecka, T, Walczak, R, Wroblewski, Ak, Zakrzewski, Ja, Zarnecki, Af, Adamus, M, Abramowicz, H, Eisenberg, Y, Glasman, C, Karshon, U, Montag, A, Revel, D, Shapira, A, Foudas, C, Fordham, C, Loveless, Rj, Goussiou, A, Ali, I, Behrens, B, Dasu, S, Reeder, Dd, Smith, Wh, Silverstein, S, Frisken, Wr, Furutani, Km, Iga, Y, and RI De Pasquale Salvatore/B 9165 2008 Lancaster Mark/C 1693 2008 Doyle Anthony/C 5889 2009 Gladilin Leonid/B 5226 2011 Golubkov Yury/E 1643, 2012

Subjects
Nuclear and High Energy Physics, Particle physics, LUND MONTE-CARLO, LEPTON PRODUCTION, Astrophysics::High Energy Astrophysical Phenomena, Electron, excited electrons, electron proton collider, JET FRAGMENTATION, law.invention, MUONS, Nuclear physics, LIMITS, ZEUS, CENTRAL TRACKING DETECTOR, E+E-PHYSICS, Z0 DECAY, GAMMA-GAMMA%22">E+E-->GAMMA-GAMMA, CALORIMETER, law, Collider, Nuclear Experiment, Physics, Muon, ZEUS (particle detector), Luminosity (scattering theory), Compton scattering, HERA, Excited state, High Energy Physics::Experiment
Abstract

This paper reports a search for excited electrons at the HERA electron-proton collider. In a sample corresponding to an integrated luminosity of 26 nb−, no evidence was found for any resonant state decaying into e−γ, νW− or e−Z0. Limits on the coupling strength of an excited electron have been determined for masses between 45 and 225 GeV. This study also reports the observation of the wide-angle eγ Compton scattering process.

Published
1993

7. FIRST MEASUREMENT OF THE LEFT-RIGHT ASYMMETRY IN Z-BOSON PRODUCTION

Author

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

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