from 27 February 2017 to 3 March 2017
Budker Institute of Nuclear Physics
Asia/Novosibirsk timezone
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Contribution Contributed Oral

Colliders and detector integration

Beam energy measurement system at BEPCII


  • Dr. Jianyong ZHANG

Primary authors


The beam energy measurement system (BEMS) for Beijing electron positron collider (BEPCII) is introduced. It is based on the measurement of Compton back scattered photons. The relative systematic uncertainty of beam energy measurement is estimated as $2*10^{-5}$. Some upgradations for BEMS are also introduced.