Measurement of the total hadronic cross section in e+e- annihilation at s=29 GeV

C. Von Zanthier, W. De Boer, G. Grindhammer, J. Hylen, B. Harral, C. Hearty, L. Labarga, J. Matthews, M. Schaad, G. Abrams, C. E. Adolphsen, C. Akerlof, J. P. Alexander, M. Alvarez, A. R. Baden, J. Ballam, B. C. Barish, T. Barklow, B. A. Barnett, J. BarteltD. Blockus, G. Bonvicini, A. Boyarski, J. Boyer, B. Brabson, A. Breakstone, J. M. Brom, F. Bulos, P. R. Burchat, D. L. Burke, F. Butler, F. Calvino, R. J. Cence, J. Chapman, D. Cords, D. P. Coupal, H. C. Destaebler, D. E. Dorfan, J. M. Dorfan, P. S. Drell, G. J. Feldman, E. Fernandez, R. C. Field, W. T. Ford, C. Fordham, R. Frey, D. Fujino, K. K. Gan, G. Gidal, T. Glanzman, G. Goldhaber, A. Green, P. Grosse-Wiesmann, J. Haggerty, G. Hanson, R. Harr, F. A. Harris, C. M. Hawkes, K. Hayes, D. Herrup, C. A. Heusch, T. Himel, M. Hoenk, D. Hutchinson, W. R. Innes, M. Jaffre, J. A. Jaros, I. Juricic, J. A. Kadyk, D. Karlen, J. Kent, S. R. Klein, W. Koska, W. Kozanecki, A. J. Lankford, R. R. Larsen, M. E. Levi, Z. Li, A. M. Litke, V. L̈th, D. I. Meyer, B. D. Milliken, K. C. Moffeit, L. M̈ller, J. Nash, M. E. Nelson, D. Nitz, H. Ogren, K. F. OShaughnessy, S. I. Parker, C. Peck, M. L. Perl, A. Petersen, M. Petradza, F. C. Porter, P. Rankin, K. Riles, D. R. Rust, H. F.W. Sadrozinski, T. L. Schalk, W. B. Schmidke, A. S. Schwarz, A. Seiden, J. G. Smith, A. Snyder, E. Soderstrom, D. P. Stoker, R. Stroynowski, R. Thun, G. H. Trilling, R. Tschirhart, R. Van Kooten, H. Veltman, P. Voruganti, S. R. Wagner, P. Weber, A. J. Weinstein, A. J. Weir, S. Weisz, S. L. White, E. Wicklund, D. R. Wood, D. Y. Wu

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4 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)34-45
Number of pages12
JournalPhysical Review D
Issue number1
StatePublished - 1991
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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