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First measurements of hadronic decays of the Z boson

Abrams, G. S. and Adolphsen, C. E. and Aleksan, R. and Alexander, J. P. and Averill, D. and Ballam, J. and Barish, B. C. and Barklow, T. and Barnett, B. A. and Bartelt, J. and Bethke, S. and Blockus, D. and de Boer, W. and Bonvicini, G. and Boyarski, A. and Brabson, B. and Breakstone, A. and Brom, J. M. and Bulos, F. and Burchat, P. R. and Burke, D. L. and Cence, R. J. and Chapman, J. and Chmeissani, M. and Cords, D. and Coupal, D. P. and Dauncey, P. and DeStaebler, H. C. and Dorfan, D. E. and Dorfan, J. M. and Drell, P. S. and Drewer, D. C. and Elia, R. and Fay, J. and Feldman, G. J. and Fernandes, D. and Field, R. C. and Ford, W. T. and Fordham, C. and Frey, R. and Fujino, D. and Gan, K. K. and Gero, E. and Gidal, G. and Glanzman, T. and Goldhaber, G. and Gomez Cadenas, J. J. and Gratta, G. and Grindhammer, G. and Grosse-Wiesmann, P. and Hanson, G. and Harr, R. and Harral, B. and Harrison, F. A. and Hawkes, C. M. and Hayes, K. and Hearty, C. and Herrup, D. and Heusch, C. A. and Hildreth, M. D. and Himel, T. and Hinshaw, D. A. and Holmgren, S.-O. and Hong, S. J. and Hutchinson, D. and Hylen, J. and Innes, W. R. and Jacobsen, R. G. and Jaffre, M. and Jaros, J. A. and Jung, C. K. and Kadyk, J. A. and Karlen, D. and Kent, J. and King, M. and Klein, S. R. and Koetke, D. S. and Komamiya, S. and Koska, W. and Kowalski, L. A. and Kozanecki, W. and Kral, J. F. and Kuhlen, M. and Labarga, L. and Lankford, A. J. and Larsen, R. R. and Le Diberder, F. and Levi, M. E. and Litke, A. M. and Lüth, V. and Lynch, G. R. and McKenna, J. A. and Matthews, J. A. J. and Mattison, T. and Milliken, B. D. and Moffeit, K. C. and Munger, C. T. and Murray, W. N. and Nash, J. and Nitz, D. and Ogren, H. and Ong, R. A. and O’Shaughnessy, K. F. and Parker, S. I. and Peck, C. and Perl, M. L. and Perrier, F. and Petersen, A. and Petradza, M. and Pitthan, R. and Porter, F. C. and Rankin, P. and Richman, J. D. and Riles, K. and Rouse, F. R. and Rust, D. R. and Sadrozinski, H. F. W. and Schaad, M. W. and Schalk, T. L. and Schumm, B. A. and Schwarz, A. S. and Seiden, A. and Smith, J. G. and Snyder, A. and Soderstrom, E. and Stoker, D. P. and Stroynowski, R. and Swartz, M. and Thun, R. and Trilling, G. H. and Van Kooten, R. and Voruganti, P. and Wagner, S. R. and Watson, S. and Weber, P. and Weigend, A. and Weir, A. J. and Wicklund, E. and Wolf, R. C. and Wood, D. R. and Woods, M. and Wormser, G. and Wright, R. and Wu, D. Y. and Yurko, M. and Zaccardelli, C. and von Zanthier, C. and Weinstein, Alan J. (1989) First measurements of hadronic decays of the Z boson. Physical Review Letters, 63 (15). pp. 1558-1561. ISSN 0031-9007.

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We have observed hadronic final states produced in the decays of Z bosons. In order to study the parton structure of these events, we compare the distributions in sphericity, thurst, aplanarity, and number of jets to the predictions of several QCD-based models and to data from lower energies. The data and models agree within the present statistical precision.

Item Type:Article
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Harrison, F. A.0000-0003-2992-8024
Weinstein, Alan J.0000-0002-0928-6784
Additional Information:© 1989 The American Physical Society. Received 31 July 1989. We are indebted to the SLAC staff and to the contributing universities whose monumental efforts culminated in the successful operation of the SLC which produced the events for this publication. This work was supported in part by Department of Energy Contracts No. DEAC03-81ER40050 (California Institute of Technology), No. DE-AM03-76SF00010 (University of California, Santa Cruz), No. DE-AC02-86ER40253 (University of Colorado), No. DEAC03-83ER40103 (University of Hawaii), No. DE-AC02-84ER40125 (Indiana University), No. DE-AC03-76SF00098 (LBL), No. DE-AC02-84ER40125 (University of Michigan), and No. DEAC03-76SF00515 (SLAC), and by the National Science Foundation (Johns Hopkins University).
Group:Space Radiation Laboratory
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC03-81ER40050
Department of Energy (DOE)DE-AM03-76SF00010
Department of Energy (DOE)DE-AC02-86ER40253
Department of Energy (DOE)DEAC03-83ER40103
Department of Energy (DOE)DE-AC02-84ER40125
Department of Energy (DOE)DE-AC03-76SF00098
Department of Energy (DOE)DE-AC02-84ER40125
Department of Energy (DOE)DE-AC03-76SF00515
Issue or Number:15
Record Number:CaltechAUTHORS:ABRprl89b
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:13156
Deposited By: Tony Diaz
Deposited On:29 Jan 2009 22:40
Last Modified:03 Oct 2019 00:35

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