Phys. Rev. D
55,
2533–2545
(1997)
Study of the orientation and energy partition of three-jet events in hadronic Z0 decays
K. Abe et al. (The SLD Collaboration)
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K. Abe20, K. Abe30, I. Abt14, T. Akagi28, N. J. Allen4, W. W. Ash28, D. Aston28, K. G. Baird25, C. Baltay34, H. R. Band33, M. B. Barakat34, G. Baranko10, O. Bardon16, T. Barklow28, G. L. Bashindzhagyan19, A. O. Bazarko11, R. Ben-David34, A. C. Benvenuti2, G. M. Bilei23, D. Bisello22, G. Blaylock7, J. R. Bogart28, T. Bolton11, G. R. Bower28, J. E. Brau21, M. Breidenbach28, W. M. Bugg29, D. Burke28, T. H. Burnett32, P. N. Burrows16, W. Busza16, A. Calcaterra13, D. O. Caldwell6, D. Calloway28, B. Camanzi12, M. Carpinelli24, R. Cassell28, R. Castaldi24, A. Castro22, M. Cavalli-Sforza7, A. Chou28, E. Church32, H. O. Cohn29, J. A. Coller3, V. Cook32, R. Cotton4, R. F. Cowan16, D. G. Coyne7, G. Crawford28, A. D’Oliveira8, C. J. S. Damerell26, M. Daoudi28, R. De Sangro13, P. De Simone13, R. Dell’Orso24, P. J. Dervan4, M. Dima9, D. N. Dong16, P. Y. C. Du29, R. Dubois28, B. I. Eisenstein14, R. Elia28, E. Etzion4, D. Falciai23, C. Fan10, M. J. Fero16, R. Frey21, K. Furuno21, T. Gillman26, G. Gladding14, S. Gonzalez16, G. D. Hallewell28, E. L. Hart29, A. Hasan4, Y. Hasegawa30, K. Hasuko30, S. Hedges3, S. S. Hertzbach17, M. D. Hildreth28, J. Huber21, M. E. Huffer28, E. W. Hughes28, H. Hwang21, Y. Iwasaki30, D. J. Jackson26, P. Jacques25, J. Jaros28, A. S. Johnson3, J. R. Johnson33, R. A. Johnson8, T. Junk28, R. Kajikawa20, M. Kalelkar25, H. J. Kang27, I. Karliner14, H. Kawahara28, H. W. Kendall16, Y. Kim27, M. E. King28, R. King28, R. R. Kofler17, N. M. Krishna10, R. S. Kroeger18, J. F. Labs28, M. Langston21, A. Lath16, J. A. Lauber10, D. W. G. S. Leith28, V. Lia16, M. X. Liu34, X. Liu7, M. Loreti22, A. Lu6, H. L. Lynch28, J. Ma32, G. Mancinelli23, S. Manly34, G. Mantovani23, T. W. Markiewicz28, T. Maruyama28, R. Massetti23, H. Masuda28, E. Mazzucato12, A. K. McKemey4, B. T. Meadows8, R. Messner28, P. M. Mockett32, K. C. Moffeit28, B. Mours28, D. Muller28, T. Nagamine28, S. Narita30, U. Nauenberg10, H. Neal28, M. Nussbaum8, Y. Ohnishi20, L. S. Osborne16, R. S. Panvini31, H. Park21, T. J. Pavel28, I. Peruzzi13, M. Piccolo13, L. Piemontese12, E. Pieroni24, K. T. Pitts21, R. J. Plano25, R. Prepost33, C. Y. Prescott28, G. D. Punkar28, J. Quigley16, B. N. Ratcliff28, T. W. Reeves31, J. Reidy18, P. E. Rensing28, T. G. Rizzo28, L. S. Rochester28, P. C. Rowson11, J. J. Russell28, O. H. Saxton28, T. Schalk7, R. H. Schindler28, B. A. Schumm15, S. Sen34, V. V. Serbo33, M. H. Shaevitz11, J. T. Shank3, G. Shapiro15, D. J. Sherden28, K. D. Shmakov29, C. Simopoulos28, N. B. Sinev21, S. R. Smith28, J. A. Snyder34, P. Stamer25, H. Steiner15, R. Steiner1, M. G. Strauss17, D. Su28, F. Suekane30, A. Sugiyama20, S. Suzuki20, M. Swartz28, A. Szumilo32, T. Takahashi28, F. E. Taylor16, E. Torrence16, A. I. Trandafir17, J. D. Turk34, T. Usher28, J. Va’vra28, C. Vannini24, E. Vella28, J. P. Venuti31, R. Verdier16, P. G. Verdini24, S. R. Wagner28, A. P. Waite28, S. J. Watts4, A. W. Weidemann29, E. R. Weiss32, J. S. Whitaker3, S. L. White29, F. J. Wickens26, D. A. Williams7, D. C. Williams16, S. H. Williams28, S. Willocq34, R. J. Wilson9, W. J. Wisniewski28, M. Woods28, G. B. Word25, J. Wyss22, R. K. Yamamoto16, J. M. Yamartino16, X. Yang21, S. J. Yellin6, C. C. Young28, H. Yuta30, G. Zapalac33, R. W. Zdarko28, C. Zeitlin21, and J. Zhou21 (The SLD Collaboration)
1Adelphi University, Garden City, New York 11530
2INFN Sezione di Bologna, I-40126 Bologna, Italy
3Boston University, Boston, Massachusetts 02215
4Brunel University, Uxbridge, Middlesex UB8 3PH, United Kingdom
5California Institute of Technology, Pasadena, California 91125
6University of California at Santa Barbara, Santa Barbara, California 93106
7University of California at Santa Cruz, Santa Cruz, California 95064
8University of Cincinnati, Cincinnati, Ohio 45221
9Colorado State University, Fort Collins, Colorado 80523
10University of Colorado, Boulder, Colorado 80309
11Columbia University, New York, New York 10027
12INFN Sezione di Ferrara and Università di Ferrara, I-44100 Ferrara, Italy
13INFN Lab. Nazionali di Frascati, I-00044 Frascati, Italy
14University of Illinois, Urbana, Illinois 61801
15Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
16Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
17University of Massachusetts, Amherst, Massachusetts 01003
18University of Mississippi, University, Mississippi 38677
19Moscow State University, Institute of Nuclear Physics, 119899 Moscow, Russia
20Nagoya University, Chikusa-ku, Nagoya 464 Japan
21University of Oregon, Eugene, Oregon 97403
22INFN Sezione di Padova and Università di Padova, I-35100 Padova, Italy
23INFN Sezione di Perugia and Università di Perugia, I-06100 Perugia, Italy
24INFN Sezione di Pisa and Università di Pisa, I-56100 Pisa, Italy
25Rutgers University, Piscataway, New Jersey 08855
26Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX United Kingdom
27Sogang University, Seoul, Korea
28Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309
29University of Tennessee, Knoxville, Tennessee 37996
30Tohoku University, Sendai 980 Japan
31Vanderbilt University, Nashville, Tennessee 37235
32University of Washington, Seattle, Washington 98195
33University of Wisconsin, Madison, Wisconsin 53706
34Yale University, New Haven, Connecticut 06511
Received 15 May 1996; published in the issue dated 1 March 1997
We have measured the distributions of the jet energies in e+e-→qq¯g events, and of the three orientation angles of the event plane, using hadronic Z0 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.
© 1997 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevD.55.2533
DOI:
10.1103/PhysRevD.55.2533
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