The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
TY - CONF AU - Bambade, P. AU - Di Carlo, S. AU - Funakoshi, Y. AU - Jehanno, D. AU - Kubytskyi, V. AU - Pang, C.G. AU - Peinaud, Y. AU - Uehara, S. ED - Li, Ying-ying ED - Li, Lu ED - Schaa, Volker RW TI - Fast Luminosity Monitoring for the SuperKEKB Collider (LumiBelle2 Project) J2 - Proc. of eeFACT2018, Hong Kong, China, 24-27 September 2018 CY - Hong Kong, China T2 - ICFA ABDW on High Luminosity Circular e$^+$e$^-$ Colliders T3 - 62 LA - english AB - LumiBelle2 is a fast luminosity monitoring system prepared for SuperKEKB*. It uses sCVD diamond detectors placed in both the electron and positron rings to measure the Bhabha scattering process at vanishing scattering angle. Two types of online luminosity signals are provided, a Train-Integrated-Luminosity at 1 kHz as input to the dithering feedback system used to maintain optimum overlap between the colliding beams in horizontal plane, and Bunch-Integrated-Luminosities at about 1 Hz to check for variations along the bunch trains. Individual beam sizes and offsets can also be determined from collision scanning. The design of LumiBelle2 will be described and its performance during the Phase-2 commissioning of SuperKEKB will be reported. PB - JACoW Publishing CP - Geneva, Switzerland SP - 173 EP - 178 KW - luminosity KW - MMI KW - detector KW - feedback KW - monitoring DA - 2019/04 PY - 2019 SN - 978-3-95450-216-5 DO - DOI: 10.18429/JACoW-eeFACT2018-TUPBB06 UR - http://jacow.org/eefact2018/papers/tupbb06.pdf ER -