mini-workshop on SuperKEKB and implications for the FCC-ee

Thursday 8 May 2025 - 08:00
CERN (40/S2-A01)

        : Sessions
    /     : Talks
        : Breaks
8 May 2025
AM
08:00
mini workshop - Frank Zimmermann (CERN) (until 08:40)
08:00 Motivation & objectives - Tor Raubenheimer (SLAC National Accelerator Laboratory - On Leave (US))  
08:10 Overview of SuperKEKB history and issues - Yukiyoshi Ohnishi  
08:40
mini workshop - Tor Raubenheimer (SLAC National Accelerator Laboratory - On Leave (US)) (until 10:05)
08:40 Observations (few bunches, many bunches…) - Yoshihiro Funakoshi (KEK)  
08:55 Coupling correction including IP coupling - Dr Katsunobu Oide (Universite de Geneve (CH))  
09:10 Beam-beam simulations with linear & chromatic coupling - Kazuhito Ohmi (KEK)  
09:25 Xsuite and beam-beam with space charge - Mr John Patrick Salvesen (University of Oxford, CERN)  
09:40 General optics assessment, an external view - Rogelio Tomas Garcia (CERN)  
09:55 Discussion  
10:05
mini workshop - Katsunobu Oide (until 10:35)
10:05 Observations, explanations and mitigations - Naoko Iida  
10:20 Emittance preservation simulations in the linac and transfer lines - Ilya Agapov (Deutsches Elektronen-Synchrotron (DE))  
10:35 --- Coffee break ---
10:50
mini workshop - Daniel Wollmann (CERN) Jan Uythoven (CERN) (until 12:20)
10:50 Observations - Hitomi Ikeda (KEK)  
11:05 VACSEAL and cleaning work - Kyo Shibata  
11:20 Simulation of dust, ions and electrons for SuperKEKB and FCC-ee - Kazuhito Ohmi (KEK)  
11:35 Observations of dust events and their statistics at the LHC - Anton Lechner (CERN)  
11:50 Vacuum system and vacseal (or not ?) for FCC-ee - Cedric Garion (CERN)  
12:05 Discussion  
PM
12:20
mini workshop - Yukiyoshi Ohnishi (until 13:20)
12:20 Overview of BELLE II injection experience and issues - Hiroyuki NAKAYAMA  
12:35 Observed injection efficiency vs current and beta *x,y - Takashi Yoshimoto (KEK)  
12:50 Tracking simulation of injection beam in HER - Meng Li (IJCLab & IHEP)  
13:05 Simulated injection efficiency with tune scan, beta_y*, and beam-beam - Yasuhiro Yamamoto  
13:20 Discussion for the intrepid