학술논문
Measurement of the total hadronic cross section in e+e- annihilation at sqrt s =29 GeV.
Document Type
article
Author
von Zanthier C; de Boer W; Grindhammer, G; Hylen, J; Harral, B; Hearty, C; Labarga, L; Matthews, J; Schaad, M; Abrams, G; Adolphsen, CE; Akerlof, C; Alexander, JP; Alvarez, M; Baden, AR; Ballam, J; Barish, BC; Barklow, T; Barnett, BA; Bartelt, J; Blockus, D; Bonvicini, G; Boyarski, A; Boyer, J; Brabson, B; Breakstone, A; Brom, JM; Bulos, F; Burchat, PR; Burke, DL; Butler, F; Calvino, F; Cence, RJ; Chapman, J; Cords, D; Coupal, DP; DeStaebler, HC; Dorfan, DE; Dorfan, JM; Drell, PS; Feldman, GJ; Fernandez, E; Field, RC; Ford, WT; Fordham, C; Frey, R; Fujino, D; Gan, KK; Gidal, G; Glanzman, T; Goldhaber, G; Green, A; Grosse-Wiesmann, P; Haggerty, J; Hanson, G; Harr, R; Harris, FA; Hawkes, CM; Hayes, K; Herrup, D; Heusch, CA; Himel, T; Hoenk, M; Hutchinson, D
Source
Physical review. D, Particles and fields. 43(1)
Subject
Language
Abstract
A precise measurement of the ratio R of the total cross section e+e-hadrons to the pointlike cross section e+e-+- at a center-of-mass energy of 29.0 GeV is presented. The data were taken with the upgraded Mark II detector at the SLAC storage ring PEP. The result is R=3.920.050.09. The luminosity has been determined with three independent luminosity monitors measuring Bhabha scattering at different angular intervals. Recent calculations of higher-order QED radiative corrections are used to estimate the systematic error due to missing higher-order radiative corrections in the Monte Carlo event generators. © 1991 The American Physical Society.