Measurement of the two-photon exchange contribution in elastic ep scattering at VEPP-3

Measurement of the two-photon exchange contribution in elastic ep scattering at VEPP-3

Bibliographic Details
Parent link:Nuclear Physics B - Proceedings Supplements
Vol. 225-227.— 2012.— P. 216-220
Other Authors: Gramolin A. V., Arrington J., Barkov L. M., Dmitriev V. F., Gauzshtein V. V., Golovin R. A., Holt R. J., Kaminsky V. V., Lazarenko B. A., Mishnev S. I., Muchnoi N.Yu., Neufeld V. V., Nikolenko D. M., Rachek I. A., Sadykov R. S., Shestakov Yu. V., Stibunov V. N. Victor Nikolaevich, Toporkov D. K., de Vries H., Zevakov S. A., Zhilich V. N.
Summary:We report on the status of the Novosibirsk experiment on a precision measurement of the ratio R of the elastic e+pe+p and e−pe−p scattering cross sections. Such measurements determine the two-photon exchange effect in elastic electron-proton scattering. The experiment is conducted at the VEPP-3 storage ring using a hydrogen internal gas target. The ratio R is measured with a beam energy of 1.6 GeV (electron/positron scattering angles are θ=55÷75°θ=55÷75° and θ=15÷25°θ=15÷25°) and 1 GeV (θ=65÷105°θ=65÷105°). We briefly describe the experimental method, paying special attention to the radiative corrections. Some preliminary results are presented
В фонде НТБ ТПУ отсутствует
Language:English
Published: 2012
Subjects:
труды учёных ТПУ
Format: Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=599513

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