A measurement of the strong coupling constant αs to complete second order

B. Adeva, H. Anderhub, S. Ansari, U. Becker, R. Becker-Szendy, J. Berdugo, A. Boehm, M. Bourquin, J. G. Branson, J. D. Burger, C. Camps, M. Cerrada, C. C. Chang, Y. H. Chang, H. S. Chen, M. Chen, M. L. Chen, M. Y. Chen, V. Commichau, E. DeffurK. Deiters, M. Dhina, J. Fehlmann, H. S. Fesefeldt, D. Fong, W. Friebel, M. Fukushima, L. Garrido, K. Z. Guo, M. Hausammann, G. Herten, H. Hofer, D. Hueser-Teuchert, M. M. Ilyas, W. Krenz, R. Leiste, Q. Z. Li, D. Linnhoefer, D. Luckey, H. Ma, C. Mana, M. A. Marquina, M. Martinez, J. Mnich, H. Newman, H. Nierobisch, W. D. Nowak, M. Nusbaumer, M. Pohl, R. R. Rau, D. Ren, S. Rodriguez, M. Rohde, J. A. Rubio, H. Rykaczewski, M. Sachwitz, J. Salicio, H. J. Schreiber, U. Schroeder, J. Schug, H. Stone, H. W. Tang, Samuel C.C. Ting, M. Tonutti, K. L. Tung, G. Viertel, H. Vogt, M. White, H. G. Wu, S. X. Wu, M. F. Wyne, B. Wyslouch, B. X. Yang, B. Zhou, R. Y. Zhu

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The strong interaction coupling constant αs has been measured with a new method, the planar triple energy correlation in the reaction e+e- → hadrons at center-of-mass energies ranging from 14 GeV to 46.78 GeV. A complete second-order perturbative QCD calculation was used. ΛMS = 110 ± 30 -55 +70 MeV is found.

Original languageEnglish
Pages (from-to)181-184
Number of pages4
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-2
StatePublished - 6 Nov 1986


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