The beam energy measurement system for the Beijing electron-positron collider
Accelerator Physics
2011-10-31 v1 High Energy Physics - Experiment
Abstract
The beam energy measurement system (BEMS) for the upgraded Beijing electron-positron collider BEPC-II is described. The system is based on measuring the energies of Compton back-scattered photons. The relative systematic uncertainty of the electron and positron beam energy determination is estimated as 2 \cdot 10^{-5}. The relative uncertainty of the beam's energy spread is about 6 %.
Keywords
Cite
@article{arxiv.1109.5771,
title = {The beam energy measurement system for the Beijing electron-positron collider},
author = {E. V. Abakumova and M. N. Achasov and V. E. Blinov and X. Cai and H. Y. Dong and C. D. Fu and F. A. Harris and V. V. Kaminsky and A. A. Krasnov and Q. Liu and X. H. Mo and N. Yu. Muchnoi and I. B. Nikolaev and Q. Qin and H. M. Qu and S. L. Olsen and E. E. Pyata and A. G. Shamov and C. P. Shen and K. Yu. Todyshev and G. S. Varner and Y. F. Wang and Q. Xiao and J. Q. Xu and J. Y. Zhang and T. B. Zhang and Y. H. Zhang and A. A. Zhukov},
journal= {arXiv preprint arXiv:1109.5771},
year = {2011}
}