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Evidence for a spin-1 gluon in three-jet events

Brandelik, R, Braunschweig, W, Gather, K, Kadansky, V, Kirschfink, FJ, Lübelsmeyer, K, Martyn, HU, Peise, G, Rimkus, J, Sander, HG , Schmitz, D, von Dratzig, AS, Trines, D, Wallraff, W, Boerner, H, Fischer, HM, Hartmann, H, Hilger, E, Hillen, W, Knop, G, Koepke, L, Kolanoski, H, Leu, P, Löhr, B, Wedemeyer, R, Wermes, N, Wollstadt, M, Burkhardt, H, Cassel, DG, Heyland, D, Hultschig, H, Joos, P, Koch, W, Koehler, P, Kötz, U, Kowalski, H, Ladage, A, Lüke, D, Lynch, HL, Mättig, P, Mikenberg, G, Notz, D, Pyrlik, J, Riethmüller, R, Schliwa, M, Söding, P, Wiik, BH, Wolf, G, Fohrmann, R, Holder, M, Poelz, G, Römer, O, Rüsch, R, Schmüser, P, Al-Agil, I, Binnie, DM, Dornan, PJ, Downie, MA, Garbutt, DA, Jones, WG, Lloyd, SL, Pandoulas, D, Sedgbeer, J, Stern, RA, Yarker, S, Youngman, C, Barlow, RJ, Brock, IC, Cashmore, RJ, Devenish, R, Grossmann, P, Illingworth, J, Ogg, M, Roe, B, Salmon, GL, Wyatt, TR, Bell, KW, Foster, B, Hart, JC, Proudfoot, J, Quarrie, DR, Saxon, DH, Woodworth, PL, Duchovni, E, Eisenberg, Y, Karshon, U, Revel, D, Ronat, E, Shapira, A, Barklow, T, Freeman, J, Lecomte, P, Meyer, T, Rudolph, G, Wicklund, E, Wu, SL and Zobernig, G (1980) Evidence for a spin-1 gluon in three-jet events Physics Letters B, 97 (3-4). pp. 453-458.

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High-energy e+e--annihilation events obtained in the TASSO detector at PETRA have been used to determine the spin of the gluon in the reaction e+e- → qqg. We analysed angular correlations between the three jet axes. While vector gluons are consistent with the data (55% confidence limit), scalar gluons are disfavoured by 3.8 standard deviations, corresponding to a confidence level of about 10-4. Our conclusion is free of possible biases due to uncertainties in the fragmentation process or in determining the qqg kinematics from the observed hadrons. © 1980.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Brandelik, R
Braunschweig, W
Gather, K
Kadansky, V
Kirschfink, FJ
Lübelsmeyer, K
Martyn, HU
Peise, G
Rimkus, J
Sander, HG
Schmitz, D
von Dratzig, AS
Trines, D
Wallraff, W
Boerner, H
Fischer, HM
Hartmann, H
Hilger, E
Hillen, W
Knop, G
Koepke, L
Kolanoski, H
Leu, P
Löhr, B
Wedemeyer, R
Wermes, N
Wollstadt, M
Burkhardt, H
Cassel, DG
Heyland, D
Hultschig, H
Joos, P
Koch, W
Koehler, P
Kötz, U
Kowalski, H
Ladage, A
Lüke, D
Lynch, HL
Mättig, P
Mikenberg, G
Notz, D
Pyrlik, J
Riethmüller, R
Schliwa, M
Söding, P
Wiik, BH
Wolf, G
Fohrmann, R
Holder, M
Poelz, G
Römer, O
Rüsch, R
Schmüser, P
Al-Agil, I
Binnie, DM
Dornan, PJ
Downie, MA
Garbutt, DA
Jones, WG
Lloyd, SL
Pandoulas, D
Sedgbeer, J
Stern, RA
Yarker, S
Youngman, C
Barlow, RJ
Brock, IC
Cashmore, RJ
Devenish, R
Grossmann, P
Ogg, M
Roe, B
Salmon, GL
Wyatt, TR
Bell, KW
Foster, B
Hart, JC
Proudfoot, J
Quarrie, DR
Saxon, DH
Woodworth, PL
Duchovni, E
Eisenberg, Y
Karshon, U
Revel, D
Ronat, E
Shapira, A
Barklow, T
Freeman, J
Lecomte, P
Meyer, T
Rudolph, G
Wicklund, E
Wu, SL
Zobernig, G
Date : 15 December 1980
DOI : 10.1016/0370-2693(80)90639-5
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:39
Last Modified : 24 Jan 2020 21:06

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