Hesheng Chen

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; Hesheng Chen; M. Chen; M. L. Chen; M.Y. Chen; V. Commichau; E. Deffur; K. Deiters; M. Dhina; J. Fehlmann; H.S. Fesefeldt; D. Fong; W. Friebel; M. Fukushima; L. Garrido; K.Z. Guo; M. Hausammann

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.

B. Adeva; S. Ansari; 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; Hesheng Chen; M. Chen; M. L. Chen; M.Y. Chen; Y.K. Chi; E. Deffur; K. Deiters; M. Demarteau; M. Dhina; B.Z. Dong; P. Duinker; H.S. Fesefeldt; D. Fong; M. Fukushima; L. Garrido; R.D. Han; D. Harting; G. Herten

Abstract A study of τ-lepton production in the CMS energy region from 14 to 46.8 GeV at PETRA is reported. The cross section, the decay branching ratio into μν ν , and the electroweak parameters are determined with a total integrated luminosity of 115 pb −1 .

Pengming Zhang; X. Xu; P. Shuai; R.J. Chen; X.L. Yan; Y. H. Zhang; M. Wang; Yu. A. Litvinov; Klaus Blaum; Hu-Shan Xu; T. Bao; X. Chen; Hesheng Chen; C. Y. Fu; J. He; Shigeru Kubono; Y. H. Lam; D.W. Liu; R. S. Mao; X. W. Ma; M. Z. Sun; X. L. Tu; Y. M. Xing; J. Yang; Y. Yuan; Qin Zeng; X. H. Zhou; Xianming Zhou; W. L. Zhan; S. Litvinov

Medina Ablikim; Mikhail N Achasov; S. Ahmed; M. Albrecht; Antonio Amoroso; Fenfen An; Q. An; Y. Bai; O. Bakina; R. Baldini Ferroli; Yong Ban; Dan Bennett; Jake Bennett; Niklaus Berger; Monica Bertani; D. Bettoni; J. M. Bian; Fabrizio Bianchi; Evgeny Boger; Igor Boyko; R. A. Briere; Hao Cai; Xiao Cai; O. Cakir; Alessandro Calcaterra; Guofu Cao; Serkant Ali Cetin; Junying Chai; Jinfan Chang; Georgy Chelkov