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Study of two particle azimuthal correlations ine+e−annihilation at √s=58 GeV

Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields1995Vol. 52(9), pp. 4872–4876

S. Kanda, S. L. Olsen, K. Ueno, P. Kirk, C. P. Cheng, M.H. Ye, A. Abashian, K. Gotow, D. Haim, M. E. Mattson, L. E. Piilonen, K.L. Sterner, S.-K. Choi, S. Lusin, C. Rosenfeld, Stephen Wilson, Liang Zheng, C.A. Fry, R. Tanaka, L.M. Chinitz, W. Ko, R. L. Lander, J. Rowe, J. R. Smith, D. Stuart, K. Abe, R.E. Breedon, Y. Fujii, Y. Kurihara, F. Liu, A. Maki, T. Nozaki, T. Omori, H. Sagawa, Y. Sakai, T. Sasaki, Y. Sugimoto, Y. Takaiwa, S. Terada, F. Kajino, T. Aso, K. Miyano, H. Miyata, K. Ohkubo, M. Oyoshi, M. Shirai, N. Takashimizu, Y. Yamashita, S. Schnetzer, J. Vinson, R. C. Walker, A. Bodek, B. J. Kim, T. Kumita, C. Velissaris, S. Behari, S. Kobayashi, A. Murakami, Sarira Sahu, Y. S. Chung, K.W. Park, D. K. Cho, J. S. Kang, D. Y. Kim, Ki Bong Lee, S.K. Kim, M. H. Lee, S.S. Myung, Dong-Chul Son, S. Ebara, S. Matsumoto, T. Ishizuka

Abstract

We have measured the azimuthal correlation of hadrons produced in ${\mathit{e}}^{+}$${\mathit{e}}^{\mathrm{\ensuremath{-}}}$ annihilations at \ensuremath{\surd}s =58 GeV. In perturbative QCD these correlations are sensitive to the interference between soft gluons emitted at large angles with respect to the event axis. However, Monte carlo calculations incorporating QCD-inspired hadronization models in which the correlation of interjet particles is treated in a phenomenological manner describe the data well. We also observe that angular ordering of the parton showering in the lund Monte Carlo program improves the agreement with the data.

Abstract

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