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, October 1, 2018 (8:00 AM) to Wednesday, October 3, 2018 (8:55 PM)

Monday, October 1, 2018

9:00 AM Registration and Light Breakfast
Registration and Light Breakfast
9:00 AM - 9:30 AM
Room: 401
9:30 AM Introduction and Logistics - Matthias Liepe (Cornell U.)
Introduction and Logistics
- Matthias Liepe (Cornell U.)
9:30 AM - 9:45 AM
Room: 401
9:45 AM
9:45 AM - 10:15 AM
Room: 401
Contributions

9:45 AM HOM damping requirements for high-current option of FCCee - Ivan Karpov (CERN)
10:15 AM Group Photo
Group Photo
10:15 AM - 10:30 AM
Room: 401

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

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

11:30 AM Overview of CBETA and the role of HOMs - Georg Hoffstaetter (Cornell University)
12:00 PM Lunch Break (Lunch provided)
Lunch Break (Lunch provided)
12:00 PM - 1:00 PM
Room: 401
1:00 PM
1:00 PM - 3:00 PM
Room: 401
Contributions

1:00 PM Observations of Sub-Macropulse Electron-Beam Dynamics Correlated with Higher-Order Modes in TESLA-Type Cavities - Alex Lumpkin (Fermilab)

1:30 PM Q and R/Q measurements with modulated beam currents with beam from the Cornell ERL injector - Adam Bartnik (Cornell University)

2:00 PM HOM Beam Based Diagnostics at FAST - Olivier Napoly (FNAL)

2:30 PM HOM Based Beam Diagnostics in TESLA Superconducting Cavities at FLASH - Junhao Wei (DESY)
3:00 PM Coffee Break
Coffee Break
3:00 PM - 3:30 PM
Room: 401
3:30 PM
3:30 PM - 5:00 PM
Room: 401
Contributions

3:30 PM Beam breakup instability: theory, simulation, and consequences for CBETA - William Lou (Cornell University)

4:00 PM HOM absorbers, HOM heating, and current limits, including measurements for CBETA - Nilanjan Banerjee (Cornell University)

4:30 PM Status of High Order Modes Spectra Measurements in 1.3 GHz Cavities for LCLS-II - ANDREI Lunin (FNAL)
5:00 PM Cornell Garden Guided Tour
Cornell Garden Guided Tour
5:00 PM - 6:30 PM
Room: 401
Tuesday, October 2, 2018

9:00 AM Light Breakfast
Light Breakfast
9:00 AM - 9:30 AM
Room: 401
9:30 AM
9:30 AM - 10:30 AM
Room: 401
Contributions

9:30 AM Propagating Eigenmode Simulations in SRF Multi-Cavity Crymodules Using ACE3P - Liling Xiao (SLAC)

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

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

11:30 AM HL-LHC DWQ HOM coupler design and SPS measurements - James Mitchell (CERN)
12:00 PM Lunch Break (Lunch provided)
Lunch Break (Lunch provided)
12:00 PM - 1:00 PM
Room: 401
1:00 PM
1:00 PM - 2:45 PM
Room: 401
Contributions

1:00 PM Design of the BESSY VSR waveguide damped cavities and ancillary components for the cold string - Andranik Tsakanian (Helmholtz-Zentrum Berlin)

1:45 PM BESSY VSR and bERLinpro HOM loads development - Jiquan Guo (JLAB)

2:15 PM SRF above 1.3 GHz: Motivation and Implications for Higher Order Modes - James Maniscalco
2:45 PM Coffee Break
Coffee Break
2:45 PM - 3:15 PM
Room: 401
3:15 PM 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)
3:15 PM - 4:45 PM
Room: 401
5:00 PM Walk/Drive to Johnson Museum of Art
Walk/Drive to Johnson Museum of Art
5:00 PM - 5:30 PM
Room: 401

5:30 PM Tour Johnson Museum of Art
Tour Johnson Museum of Art
5:30 PM - 6:00 PM

6:00 PM Reception at Johnson Museum of Art
Reception at Johnson Museum of Art
6:00 PM - 7:00 PM

7:00 PM Banquet at Johnson Museum of Art
Banquet at Johnson Museum of Art
7:00 PM - 9:00 PM
Wednesday, October 3, 2018

9:00 AM Light Breakfast
Light Breakfast
9:00 AM - 9:30 AM
Room: 401
9:30 AM
9:30 AM - 10:30 AM
Room: 401
Contributions

9:30 AM HOM damping schemes for the FCC-ee cavities - Shahnam Gorgi Zadeh (Universität Rostock)

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

11:00 AM 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 AM Higher Order Mode and Cavity Studies at the University of Rostock since HOMSC16 - Ursula van Rienen (University of Rostock)
12:00 PM Closing Remarks - Matthias Liepe (Cornell U.)
Closing Remarks
- Matthias Liepe (Cornell U.)
12:00 PM - 12:15 PM
Room: 401
12:15 PM Lunch Break (on your own)
Lunch Break (on your own)
12:15 PM - 1:45 PM
Room: 401

1:45 PM SRF Lab Tour
SRF Lab Tour
1:45 PM - 2:30 PM
Room: 401

2:30 PM CBETA Tour
CBETA Tour
2:30 PM - 3:30 PM

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