Name: ICFA Mini Workshop on Higher Order Modes in Superconducting Cavities (HOMSC2018)
Start: 2018-10-01T08:00:00-04:00
End: 2018-10-03T20:55:00-04:00
Location: Physical Science building (PSB)

ICFA Mini Workshop on Higher Order Modes in Superconducting Cavities (HOMSC2018)

from Monday, 1 October 2018 (08:00) to Wednesday, 3 October 2018 (20:55)

Monday, 1 October 2018

09:00 Registration and Light Breakfast
Registration and Light Breakfast
09:00 - 09:30
Room: 401
09:30 Introduction and Logistics - Matthias Liepe (Cornell U.)
Introduction and Logistics
- Matthias Liepe (Cornell U.)
09:30 - 09:45
Room: 401
09:45
09:45 - 10:15
Room: 401
Contributions

09:45 HOM damping requirements for high-current option of FCCee - Ivan Karpov (CERN)
10:15 Group Photo
Group Photo
10:15 - 10:30
Room: 401

10:30 Coffee Break
Coffee Break
10:30 - 11:00
Room: 401
11:00
11:00 - 12:00
Room: 401
Contributions

11:00 BESSY VSR project overview - ADOLFO VELEZ (HZB G-ISRF)

11:30 Overview of CBETA and the role of HOMs - Georg Hoffstaetter (Cornell University)
12:00 Lunch Break (Lunch provided)
Lunch Break (Lunch provided)
12:00 - 13:00
Room: 401
13:00
13:00 - 15:00
Room: 401
Contributions

13:00 Observations of Sub-Macropulse Electron-Beam Dynamics Correlated with Higher-Order Modes in TESLA-Type Cavities - Alex Lumpkin (Fermilab)

13:30 Q and R/Q measurements with modulated beam currents with beam from the Cornell ERL injector - Adam Bartnik (Cornell University)

14:00 HOM Beam Based Diagnostics at FAST - Olivier Napoly (FNAL)

14:30 HOM Based Beam Diagnostics in TESLA Superconducting Cavities at FLASH - Junhao Wei (DESY)
15:00 Coffee Break
Coffee Break
15:00 - 15:30
Room: 401
15:30
15:30 - 17:00
Room: 401
Contributions

15:30 Beam breakup instability: theory, simulation, and consequences for CBETA - William Lou (Cornell University)

16:00 HOM absorbers, HOM heating, and current limits, including measurements for CBETA - Nilanjan Banerjee (Cornell University)

16:30 Status of High Order Modes Spectra Measurements in 1.3 GHz Cavities for LCLS-II - ANDREI Lunin (FNAL)
17:00 Cornell Garden Guided Tour
Cornell Garden Guided Tour
17:00 - 18:30
Room: 401
Tuesday, 2 October 2018

09:00 Light Breakfast
Light Breakfast
09:00 - 09:30
Room: 401
09:30
09:30 - 10:30
Room: 401
Contributions

09:30 Propagating Eigenmode Simulations in SRF Multi-Cavity Crymodules Using ACE3P - Liling Xiao (SLAC)

10:00 Update on HOM studies for PIPII SC linac - Alexander Sukhanov (Fermilab)
10:30 Coffee Break
Coffee Break
10:30 - 11:00
Room: 401
11:00
11:00 - 12:00
Room: 401
Contributions

11:00 SRF cavity design and HOM damping for eRHIC e- storage ring - Wencan Xu (bnl)

11:30 HL-LHC DWQ HOM coupler design and SPS measurements - James Mitchell (CERN)
12:00 Lunch Break (Lunch provided)
Lunch Break (Lunch provided)
12:00 - 13:00
Room: 401
13:00
13:00 - 14:45
Room: 401
Contributions

13:00 Design of the BESSY VSR waveguide damped cavities and ancillary components for the cold string - Andranik Tsakanian (Helmholtz-Zentrum Berlin)

13:45 BESSY VSR and bERLinpro HOM loads development - Jiquan Guo (JLAB)

14:15 SRF above 1.3 GHz: Motivation and Implications for Higher Order Modes - James Maniscalco
14:45 Coffee Break
Coffee Break
14:45 - 15:15
Room: 401
15:15 Hot-Topic Discussion: Which directions should future HOM R&D focus on, i.e. where is rapid progress needed? - Ursula van Rienen (University of Rostock) Erk Jensen (CERN)
Hot-Topic Discussion: Which directions should future HOM R&D focus on, i.e. where is rapid progress needed?
- Ursula van Rienen (University of Rostock)
- Erk Jensen (CERN)
15:15 - 16:45
Room: 401
17:00 Walk/Drive to Johnson Museum of Art
Walk/Drive to Johnson Museum of Art
17:00 - 17:30
Room: 401

17:30 Tour Johnson Museum of Art
Tour Johnson Museum of Art
17:30 - 18:00

18:00 Reception at Johnson Museum of Art
Reception at Johnson Museum of Art
18:00 - 19:00

19:00 Banquet at Johnson Museum of Art
Banquet at Johnson Museum of Art
19:00 - 21:00
Wednesday, 3 October 2018

09:00 Light Breakfast
Light Breakfast
09:00 - 09:30
Room: 401
09:30
09:30 - 10:30
Room: 401
Contributions

09:30 HOM damping schemes for the FCC-ee cavities - Shahnam Gorgi Zadeh (Universität Rostock)

10:00 JLEIC HOM damping study - Jiquan Guo (JLAB)
10:30 Coffee Break
Coffee Break
10:30 - 11:00
Room: 401
11:00
11:00 - 12:00
Room: 401
Contributions

11:00 HOM Damping in Accelerating Cavities with Large Number of Cells: Application to 44-Cell TWCs of CERN SPS - Nasrin Nasresfahani (Beams Department, RF Group, Beams and RF Studies Section)

11:30 Higher Order Mode and Cavity Studies at the University of Rostock since HOMSC16 - Ursula van Rienen (University of Rostock)
12:00 Closing Remarks - Matthias Liepe (Cornell U.)
Closing Remarks
- Matthias Liepe (Cornell U.)
12:00 - 12:15
Room: 401
12:15 Lunch Break (on your own)
Lunch Break (on your own)
12:15 - 13:45
Room: 401

13:45 SRF Lab Tour
SRF Lab Tour
13:45 - 14:30
Room: 401

14:30 CBETA Tour
CBETA Tour
14:30 - 15:30