Experimental study of color degree of freedom of gluons in e + e − </mml:mrow…
1991; American Physical Society; Volume: 66; Issue: 3 Linguagem: Inglês
10.1103/physrevlett.66.280
ISSN1092-0145
AutoresK. Abe, B. R. Ko, Y. Arai, Y. Asano, M. Chiba, Yasuo Chiba, M. Daigo, T. Emura, M. Fukawa, T. Fukui, Y. Fukushima, J. Haba, Y. Hemmi, M. Higuchi, T. Hirose, Y. Hojyo, Y. Homma, Y. Hoshi, Y. Ikegami, N. Ishihara, T. Kamitani, Nobuyuki Kanematsu, J. Kanzaki, R. Kikuchi, T. Kondo, T. Korhonen, T. Koseki, H. Kurashige, Takayuki Matsui, M. Minami, K. Miyake, Shumpei Mori, Y. Nagashima, T. Nakamura, I. Nakano, Y. Narita, S. Odaka, K. Ogawa, T. Ohama, T. Ohsugi, A. Okamoto, A. Ono, Takashi Oyama, H. Sakamoto, M. Sakuda, N. Sasao, M. Sato, M. Shioden, J. Shirai, M. Shirakata, S. Sugimoto, T. Sumiyoshi, A. Suzuki, Y. Suzuki, Yoshihisa Takada, F. Takasaki, A. Taketani, M. Takita, N. Tamura, R. Tanaka, N. Terunuma, K. Tobimatsu, T. Tsuboyama, S. Uehara, Y. Unno, M. Utsumi, M. Wakai, T. Watanabe, Y. Watase, F. Yabuki, Yoichi M. A. Yamada, T. Yamagata, Yasushige Yonezawa, Hajime Yoshida,
Tópico(s)Quantum Chromodynamics and Particle Interactions
ResumoWe have studied four-jet angular distributions using data collected with the VENUS detector at the KEK ${\mathit{e}}^{+}$${\mathit{e}}^{\mathrm{\ensuremath{-}}}$ collider at TRISTAN at c.m. energies between 54 and 64 GeV. The obseved angular distributions are consistent with QCD, but are inconsistent with the Abelian gluon model at the 5% significance level. We have further obtained 95%-confidence experimental bounds on the fundamental parameters of the SU(${\mathit{N}}_{\mathit{c}}$) local color symmetry.
Referência(s)