Study of the QED processes $e^+e^-\to e^+e^-\gamma, e^+e^-\gamma\gamma$ with the SND detector at VEPP-2M.

Autor: Achasov, M.N., Baru, S.E., Bozhenok, A.V., Bukin, A.D., Bukin, D.A., Burdin, S.V., Dimova, T.V., Dolinsky, S.I., Druzhinin, V.P., Dubrovin, M.S., Gaponenko, I.A., Golubev, V.B., Ivanchenko, V.N., Korol, A.A., Koshuba, S.V., Lysenko, A.P., Nesterenko, I.N., Pakhtusova, E.V., Serednyakov, S.I., Shary, V.V.
Zdroj: European Physical Journal C -- Particles & Fields; Feb2000, Vol. 12 Issue 3, p369-374, 6p
Abstrakt: Results of the SND experiment at the VEPP-2M $e^+e^-$ collider on the QED processes $e^+e^-\rightarrow e^+e^-\gamma$ and $e^+e^-\rightarrow e^+e^-\gamma\gamma$ with production at large angles are presented. The energy and angular distributions of the final particles were studied. No deviations from QED were found, with an accuracy of 3.8% for the first process and 10.3% for the second. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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