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)
Physical Science building (PSB) (401)

        : Sessions
    /     : Talks
        : Breaks
1 Oct 2018
2 Oct 2018
3 Oct 2018
AM
09:00 --- Registration and Light Breakfast ---
09:30 Introduction and Logistics - Prof. Matthias Liepe (Cornell U.)   (401)
Slides
09:45
High-Current Accelerators and HOM Damping Requirements - Erk Jensen (CERN) (until 10:15) (401)
09:45 HOM damping requirements for high-current option of FCCee - Dr Ivan Karpov (CERN)   (401)
Slides
10:15 --- Group Photo ---
10:30 --- Coffee Break ---
11:00
High-Current Accelerators and HOM Damping Requirements - Erk Jensen (CERN) (until 12:00) (401)
11:00 BESSY VSR project overview - Dr ADOLFO VELEZ (HZB G-ISRF)   (401)
Slides
11:30 Overview of CBETA and the role of HOMs - Prof. Georg Hoffstaetter (Cornell University)   (401)
Slides
09:00 --- Light Breakfast ---
09:30
Numerical simulation – Modeling Approaches and Tools -Prof. Ursula van Rienen (University of Rostock) (until 10:30) (401)
09:30 Propagating Eigenmode Simulations in SRF Multi-Cavity Crymodules Using ACE3P - Liling Xiao (SLAC)   (401)
Slides
10:00 Update on HOM studies for PIPII SC linac - Alexander Sukhanov (Fermilab)   (401)
Slides
10:30 --- Coffee Break ---
11:00
Design of SRF Cavities and HOM Damping Schemes -Prof. Matthias Liepe (Cornell U.) (until 12:00) (401)
11:00 SRF cavity design and HOM damping for eRHIC e- storage ring - Dr Wencan Xu (bnl)   (401)
Slides
11:30 HL-LHC DWQ HOM coupler design and SPS measurements - Mr James Mitchell (CERN)   (401)
Slides
09:00 --- Light Breakfast ---
09:30
Design of SRF Cavities and HOM Damping Schemes -Prof. Jacek Sekutowicz (DESY) (until 10:30) (401)
09:30 HOM damping schemes for the FCC-ee cavities - Mr Shahnam Gorgi Zadeh (Universität Rostock)   (401)
Slides
10:00 JLEIC HOM damping study - Jiquan Guo (JLAB)   (401)
Slides
10:30 --- Coffee Break ---
11:00
Design of SRF Cavities and HOM Damping Schemes - James Maniscalco (until 12:00) (401)
11:00 HOM Damping in Accelerating Cavities with Large Number of Cells: Application to 44-Cell TWCs of CERN SPS - Dr Nasrin Nasresfahani (Beams Department, RF Group, Beams and RF Studies Section)   (401)
Slides
11:30 Higher Order Mode and Cavity Studies at the University of Rostock since HOMSC16 - Prof. Ursula van Rienen (University of Rostock)   (401)
Slides
PM
12:00 --- Lunch Break (Lunch provided) ---
13:00
HOM Measurements, Beam Effects, and Diagnostics -Dr Nicoleta Baboi (DESY) (until 15:00) (401)
13:00 Observations of Sub-Macropulse Electron-Beam Dynamics Correlated with Higher-Order Modes in TESLA-Type Cavities - Dr Alex Lumpkin (Fermilab)   (401)
Slides
13:30 Q and R/Q measurements with modulated beam currents with beam from the Cornell ERL injector - Dr Adam Bartnik (Cornell University)   (401)
Slides
14:00 HOM Beam Based Diagnostics at FAST - Dr Olivier Napoly (FNAL)   (401)
Slides
14:30 HOM Based Beam Diagnostics in TESLA Superconducting Cavities at FLASH - Mr Junhao Wei (DESY)   (401)
Slides
15:00 --- Coffee Break ---
15:30
HOM Measurements, Beam Effects, and Diagnostics -Dr Olivier Napoly (FNAL) (until 17:00) (401)
15:30 Beam breakup instability: theory, simulation, and consequences for CBETA - William Lou (Cornell University)   (401)
Diapositivas
16:00 HOM absorbers, HOM heating, and current limits, including measurements for CBETA - Mr Nilanjan Banerjee (Cornell University)   (401)
Slides
16:30 Status of High Order Modes Spectra Measurements in 1.3 GHz Cavities for LCLS-II - ANDREI Lunin (FNAL)   (401)
Slides
17:00 --- Cornell Garden Guided Tour ---
12:00 --- Lunch Break (Lunch provided) ---
13:00
Design of SRF Cavities and HOM Damping Schemes -Prof. Georg Hoffstaetter (Cornell University) (until 14:45) (401)
13:00 Design of the BESSY VSR waveguide damped cavities and ancillary components for the cold string - Dr Andranik Tsakanian (Helmholtz-Zentrum Berlin)   (401)
Slides
13:45 BESSY VSR and bERLinpro HOM loads development - Jiquan Guo (JLAB)   (401)
Slides
14:15 SRF above 1.3 GHz: Motivation and Implications for Higher Order Modes - James Maniscalco   (401)
Slides
14:45 --- Coffee Break ---
15:15 Hot-Topic Discussion: Which directions should future HOM R&D focus on, i.e. where is rapid progress needed? - Prof. Ursula van Rienen (University of Rostock) Erk Jensen (CERN)   (401)
Slides
17:00 --- Walk/Drive to Johnson Museum of Art ---
17:30 --- Tour Johnson Museum of Art ---
18:00 --- Reception at Johnson Museum of Art ---
19:00 --- Banquet at Johnson Museum of Art ---
12:00 Closing Remarks - Prof. Matthias Liepe (Cornell U.)   (401)
12:15 --- Lunch Break (on your own) ---
13:45 --- SRF Lab Tour ---
14:30 --- CBETA Tour ---
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