Beam Size Measurement with Pair Monitor and BeamCal

physics.ins-det

/ Authors

Kazutoshi Ito, Akiya Miyamoto, Tadashi Nagamine, Yutaro Sato, Yosuke Takubo, Toshiaki Tauchi, Hitoshi Yamamoto

/ Abstract

At the International Linear Collider (ILC), measurement of the beam profile at the interaction point (IP) is a key issue to achieve high luminosity. We studied the beam size measurement by combination of Pair Monitor and BeamCal. We obtained measurement accuracies of 2.7%, and 6.6% for the horizontal, and vertical beam sizes, respectively, for 50 bunch crossings.