Quasi-real Compton scattering measurement

G. R. Bonneaud, A. Courau, R. Johnson, H. Yamamoto, W. B. Atwood, B. C. Barish, G. J. Donaldson, R. Dubois, M. M. Duro, E. E. Elsen, S. Q. Gao, Y. Z. Huang, G. M. Irwin, H. Kichimi, J. Kirkby, D. E. Klem, D. E. Koop, J. Ludwig, G. B. Mills, A. OgawaT. Pal, R. Pitthan, D. L. Pollard, C. Y. Prescott, L. S. Rochester, W. Ruckstuhl, M. Sakuda, S. Sherman, R. Stroynowski, S. Q. Wang, S. G. Wojcicki, W. G. Yan, C. C. Young

研究成果: Article査読

6 被引用数 (Scopus)


A measurement is reported on the elastic scattering of quasi-real photons generated by one beam with the particles of the other in e+e- interactions at s = 29 GeV performed using the DELCO detector at PEP. The events are characterized by coplanar and anti-tagged e γ pairs with large visible energy where the charge of the electron is correlated with the acolinearity angle. Also, this result is used to search for the on-shell production of a hypothetical excited electron e*. It is found that the data agree well with the predictions for the QED Compton process, and upper limits are set on the e*e γ coupling parameter λ to be below 10-2 (95% CL) in the range 15 ≲ Me * ≲ 27 GeV.

ジャーナルPhysics Letters B
出版ステータスPublished - 1986 9 4

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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