Measurement of strong-coupling constant s to second order for 22<~s<~46.78 GeV

B. Adeva, U. Becker, R. Becker-Szendy, J. Berdugo, A. Boehm, J. G. Branson, J. D. Burger, M. Capell, M. Cerrada, C. C. Chang, Y. H. Chang, H. S. Chen, M. Chen, M. L. Chen, M. Y. Chen, E. Deffur, M. Demarteau, B. Z. Dong, P. Duinker, H. S. FesefeldtD. Fong, M. Fukushima, L. Garrido, R. D. Han, D. Harting, G. Herten, M. C. Ho, D. Hueser, M. Hussain, M. M. Ilyas, D. Z. Jiang, W. Krenz, P. Kuijer, Q. Z. Li, D. Linnhoefer, D. Luckey, E. J. Luit, C. Mana, M. A. Marquina, M. Martinez, G. G.G. Massaro, J. Mnich, R. Mount, K. Nadeem, H. Newman, M. Pohl, F. P. Poschmann, R. R. Rau, S. Rodriguez, M. Rohde, J. A. Rubio, H. Rykaczewski, J. Salicio, U. Schroeder, H. Stone, G. M. Swider, H. W. Tang, D. Teuchert, Samuel C.C. Ting, K. L. Tung, M. Q. Wang, M. White, H. G. Wu, S. X. Wu, B. Wyslouch, B. X. Yang, B. Zhou, R. Y. Zhu

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17 Scopus citations


Using the Mark-J detector at the high-energy e+e- collider PETRA, we compare the data from hadron production with the complete second-order QCD calculation over the energy region 22 to 46.78 GeV. We determine the QCD parameter =10030-45+60 MeV which yields the strong-coupling constant s=0.120.02 for s=44 GeV.

Original languageEnglish
Pages (from-to)1750-1753
Number of pages4
JournalPhysical Review Letters
Issue number16
StatePublished - 1985


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