27 February 2017 to 3 March 2017
Budker Institute of Nuclear Physics
Asia/Novosibirsk timezone

Measurement of the luminosity at the CMD-3 detector.

28 Feb 2017, 17:00
Budker Institute of Nuclear Physics

Budker Institute of Nuclear Physics

11, akademika Lavrentieva prospect, Novosibirsk, Russia
Board: 3
Poster Colliders and detector integration Posters


Artem Ryzhenenkov (BINP)


Since December 2010 the CMD-3 detector has taken data at the electron-positron collider VEPP-2000. The collected data sample corresponds to an integrated luminosity of 60 1/pb in the c.m. energy range from 0.32 up to 2 GeV. Preise luminosity measurement is a key issue for many experiments whih study the hadronic cross sections at e+e− colliders. The integrated luminosity of the collider was measured using two well known QED processes e+e−→e+e−, γγ. The preliminary results of the luminosity measurement are presented in the various energy range. The current accuracy of the luminosity determination is estimated to be 1%. The study of the different systematics is in progress now and in forthcoming future we hope to reduce it to the level of ~0.5%.

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