Workshop on Dust Charging and Beam-Dust Interaction in Particle Accelerators

from Tuesday 13 June 2023 (08:30) to Thursday 15 June 2023 (17:00)
CERN (30/6-019)

        : Sessions
    /     : Talks
        : Breaks
13 Jun 2023
14 Jun 2023
15 Jun 2023
AM
09:00
Session 1: Introduction - Jan Uythoven (CERN) (until 12:15) (30/6-019)
09:00 Welcome message - Jose Miguel Jimenez (CERN)   ()
09:20 Introduction to Workshop - Daniel Wollmann (CERN)   ()
09:35 Overview of beam-dust issues in accelerators: from AdA to LHC - Rudiger Schmidt (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))   ()
10:05 Overview of dust issues in space research - Mihaly Horanyi   ()
10:35 --- Coffee break ---
10:55 Dust-charging environment in accelerators: synchrotron radiation - Vincent Baglin (CERN)   ()
11:25 Dust-charging environment in accelerators: electron clouds - Konstantinos Paraschou (CERN)   ()
11:55 Discussion Session 1   ()
09:00
Session 2b: Dust in particle accelerators I (Beam-dust interactions) - Philippe Belanger (TRIUMF (CA)) (until 10:40) (30/6-019)
09:00 Overview of UFOs during LHC operation - what we know, what we do not know - Anton Lechner (CERN)   ()
09:30 UFO dynamics and pre-charged dust: Simulations and experimental observations at LHC - Bjorn Hans Filip Lindstrom (CERN)   ()
10:00 Discussion Session 2   ()
10:20 --- Coffee break ---
10:40
Session 4: Dust in particle accelerators II (Vacuum, surfaces and RF) - Guillaume Jonathan Rosaz (CERN) (until 12:00) (30/6-019)
10:40 Issues with beam-dust interaction inside the vacuum chamber at SuperKEKb - Yusuke Suetsugu (KEK)   ()
11:10 Dust in accelerator vacuum systems: Vacuum manipulations and beam-screen treatment at LHC - Cedric Garion (CERN)   (30/6-019)
11:35 Surface laser treatment of vacuum systems and potential dust issues - Marcel Himmerlich (CERN)   ()
09:00
Session 5: Dust charging and dust release in particle accelerators - Mihaly Horanyi (until 10:30) (30/6-019)
09:00 Dust charging mechanisms in accelerators - Philippe Belanger (TRIUMF (CA))   ()
09:30 Dust charging lofting experiments at LASP, University of Colorado - Xu Wang   ()
10:00 Discussion Session 5   (30/6-019)
10:10 --- Coffee break ---
10:30
Session 6: Closure and discussion - Daniel Wollmann (CERN) (until 12:30) (30/6-019)
10:30 Wrap-up and questions for the discussion - Christoph Wiesner (CERN)   ()
11:00 Discussion: Most relevant aspects to be understood and studied? Next steps?   ()
PM
12:15 --- Lunch break ---
13:45
Session 2a: Dust in particle accelerators I (Beam-dust interactions) - Philippe Belanger (TRIUMF (CA)) (until 15:45) (30/6-019)
13:45 Observation of sudden beam loss at SuperKEKb, and possible reasons - HITOMI IKEDA (High Energy Accelerator Research Organization (KEK)-Unknown-Unkn)   ()
14:15 "Fireball" measured inside the RF cavity at SuperKEKb - Dr Tetsuo Abe (High Energy Accelerator Research Organization (KEK))   ()
14:45 Dust and beam instabilities: The "16L2" events at LHC - what we know, what we do not know - Lotta Mether (CERN)   (30/6-019)
15:15 Discussion Session 2a   (30/6-019)
15:25 --- Coffee break ---
15:45
Session 3: Dust in space research and nuclear fusion - Xu Wang (until 17:35) (30/6-019)
15:45 Dust charging and dust-surface interaction in the laboratory - Cecile Arnas   ()
16:15 Dust issues in nuclear fusion reactors - Svetlana Ratynskaia (Royal Institute of Technology (KTH), Stockholm)   ()
16:45 Theoretical and numerical characterisation of the adhesion and electrostatic charge of dust - Jan Deca   ()
17:15 Discussion Session 3   ()
12:00 --- Lunch break ---
13:30
Session 4: Dust in particle accelerators II (Vacuum, surfaces and RF) - Guillaume Jonathan Rosaz (CERN) (until 16:10) (30/6-019)
13:30 Analysis and possible sources of dust grains extracted from the LHC - Ana Teresa Perez Fontenla (CERN)   ()
14:00 Dust issues and beam losses in LHC injection kickers: What can we learn from it? - Mike Barnes (CERN)   ()
14:30 Dust issues at DESY (HERA, DORIS, PETRA) and how to avoid them at XFEL and FLASH - Lutz Lilje   ()
15:00 Dust migration into RF cavities - Aveen Mahon (McGill University, (CA))   ()
15:30 Discussion Session 4   ()
15:50 --- Coffee break ---
16:10
Visits (until 17:30) (30/6-019)
16:10 Visits   ()
12:30 --- Lunch break ---
14:00
Collaboration Meetings (until 17:00) ()