Measurement of the direct photon spectrum from the (1S)

S. E. Csorna, M. D. Mestayer, R. S. Panvini, G. B. Word, Xia Yi, A. Bean, G. J. Bobbink, I. Brock, A. Engler, T. Ferguson, R. Kraemer, C. Rippich, R. Sutton, H. Vogel, C. Bebek, K. Berkelman, E. Blucher, D. G. Cassel, T. Copie, R. DesalvoJ. W. Dewire, R. Ehrlich, R. S. Galik, M. G.D. Gilchriese, B. Gittelman, S. W. Gray, A. M. Halling, D. L. Hartill, B. K. Heltsley, S. Holzner, M. Ito, J. Kandaswamy, R. Kowalewski, D. L. Kreinick, Y. Kubota, N. B. Mistry, J. Mueller, E. Nordberg, M. Ogg, D. Peterson, D. Perticone, M. Pisharody, K. Read, D. Riley, A. Silverman, P. C. Stein, S. Stone, A. J. Sadoff, P. Avery, D. Besson, T. Bowcock, R. T. Giles, J. Hassard, K. Kinoshita, F. M. Pipkin, Richard Wilson, P. Haas, M. Hempstead, T. Jensen, H. Kagan, R. Kass, S. Behrends, T. Gentile, Jan M. Guida, Joan A. Guida, F. Morrow, R. Poling, C. Rosenfeld, E. H. Thorndike, P. Tipton, J. Green, R. Namjoshi, F. Sannes, R. Stone, M. S. Alam, N. Katayama, I. J. Kim, C. R. Sun, V. Tanikella, D. Bortoletto, A. Chen, L. Garren, M. Goldberg, N. Horwitz, A. Jawahery, P. Lubrano, G. C. Moneti, C. G. Trahern

研究成果: 雜誌貢獻期刊論文同行評審

29 引文 斯高帕斯(Scopus)

摘要

We have observed decays of the '(1S) into hadronic final states containing high-energy photons. These are interpreted as coming from the decay '(1S)'+gluon+gluon. We compare the shape of the observed photon energy spectrum with several theoretical predictions and deduce the value of the strong-coupling constant ±s and the QCD scale parameter MS (MS denotes the modified minimal-subtraction scheme) associated with each prediction.

原文???core.languages.en_GB???
頁(從 - 到)1222-1225
頁數4
期刊Physical Review Letters
56
發行號12
DOIs
出版狀態已出版 - 1986

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