Measurement Of Alpha-S From The Moment Of Particle Momenta Within Jets From E+E- Annihilation

K B Lee,H Sagawa,Y S Chung,J S Kang,Kun Woo Park, Keiichi Abe, R Breedon,Yasuhisa Fujii, Yukiko Kurihara,Feng Liu,A Maki,T Nozaki,T Omori,Y Sakai,Takashi Sasaki, Yuji Sugimoto,Y Takaiwa,S Terada,P Kirk, C P Cheng, W X Gao, W G Yan,M H Ye, A Abashian, K Gotow,D Haim, M E Mattson, N V Morgan,L E Piilonen, K L Sterner,S Lusin,C Rosenfeld,Sandra Jo Wilson,L Y Zheng,C Fry,R Tanaka, L M Chinitz,K O Winston, R Lander, J Rowe,J R Smith,D Stuart,S Kanda,S L Olsen,K Ueno,F Kajino,R Poling, T L T Thomas,T Aso,K Miyano,H Miyata, M Oyoshi,Yuichi Yamashita,A Bodek,Beom Joon Kim,T Kumita,Y K Li, C Velisarris,R Walker,M H Lee, F Sannes, S Schnetzer,R Stone, J Vinson,Satoru Kobayashi,Akio Murakami,Sambit Sahu,M E Zomorrodian,S K Kim,S S Myung,S K Choi,D Son,Shuhei Ebara,Shigenobu Matsumoto,N Takashimizu, T Ishizuka

PHYSICS LETTERS B（1993）

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摘要

We present a study of the third moment of the inclusive momentum distribution of particles within jets produced by e+e- annihilation at TRISTAN. In this analysis, the QCD coupling strength alpha(s) is determined by fits to the prediction of the Next-to-Leading Logarithm Parton-Shower model. The measured value of alpha(s) (57.9 GeV) = 0.134(-0.005)+0.006.

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