Name: FCC-ee polarization workshop
Start: 2017-10-18T08:20:00+02:00
End: 2017-10-27T19:30:00+02:00
Location: CERN

FCC-ee polarization workshop

from Wednesday, October 18, 2017 (8:20 AM) to Friday, October 27, 2017 (7:30 PM)

Monday, October 16, 2017
Tuesday, October 17, 2017
Wednesday, October 18, 2017
8:20 AM Session in 37-R-022
8:20 AM - 8:25 PM
Room: 37/R-022
Contributions

2:45 PM Session I VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

3:00 PM requirements from Z physics - Alain Blondel (Universite de Geneve (CH))

3:29 PM requirements from W physics - Paolo Azzurri (INFN Sezione di Pisa, Universita' e Scuola Normale Superiore, P)

3:44 PM requirements at high energy (HZ and tt)

4:30 PM Present status of FCC-ee optics - Katsunobu Oide (High Energy Accelerator Research Organization (JP)) Katsunobu Oide

4:50 PM alignments and corrections - Sandra Aumon (CERN)

5:10 PM Twiss and Coupling Correction at Cornell's CESR e+/e- Storage Ring - David Sagan

5:30 PM transverse polarization performance estimates, effect of wigglers requirement on corrections open questionsrequirement on - Eliana Gianfelice-Wendt (Fermi National Accelerator Lab. (US))

6:00 PM discussion and action items
Thursday, October 19, 2017
8:30 AM Session in 376-1-020
8:30 AM - 8:30 PM
Room: 376/1-020
Contributions

2:45 PM VIDYO conference connection

3:00 PM experience on precise energy calibration from Novosibirsk - Ivan Koop (BINP)

3:30 PM experience from precise energy calibration at LEP and issues - Guy Wilkinson (University of Oxford (GB))

4:30 PM baseline running scheme with wigglers and systematic errors as they stand - m Koratzinos (Universite de Geneve (CH))

5:00 PM Energy calibration by resonant depolarization: depolarizer settings, time it takes to do a calibration - Jorg Wenninger (CERN)

5:40 PM table of parameters: wigglers polarimeter depolarizer - Jorg Wenninger (CERN)

6:00 PM discussion and action items
Friday, October 20, 2017
8:30 AM Session in 37-R-022
8:30 AM - 7:50 PM
Room: 37/R-022
Contributions

3:00 PM systematic errors on the E_CM energy calibration – theoretical issues - Anton Bogomyagkov

3:30 PM simulation tools for polarization and energy calibration - Desmond Barber (DESY)

4:30 PM Spin Simulations with the Bmad Toolkit - David Sagan

5:00 PM measurements of RF phase and saw-toothing at FCC-ee - Helga Timko (CERN) Mike Hildreth (Department of Physics-College of Science-University of Notre Da) Mike Hildreth (University of Notre Dame (US)) Wolfgang Hofle (CERN)

5:30 PM Beam energy spread measurement at FCC-ee - Patrick Janot (CERN)

6:00 PM determination of energy spread from beam parameters, bunch length, beam sizes - Thibaut Lefevre (CERN) m Koratzinos (Universite de Geneve (CH))
Saturday, October 21, 2017
Sunday, October 22, 2017

Monday, October 23, 2017

8:30 AM Session in 37-R-022

8:30 AM - 12:30 PM
Room: 37/R-022

12:30 PM Lunch break
Lunch break
12:30 PM - 2:00 PM
Room: 37/R-022
2:00 PM Session in 376-1-020
2:00 PM - 7:00 PM
Room: 376/1-020
Contributions

2:45 PM VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

3:00 PM summary of actions from 1st week, plan for second week - Alain Blondel (Universite de Geneve (CH)) Jorg Wenninger (CERN)

3:15 PM a new measurement technique for 10-6 beam energy at the Z - Serguey Nikitin

4:30 PM Touschek effect and monitor beam intensity - Tobias Tydecks (CERN)

4:50 PM Compton Polarimeter - Nickolai Muchnoi

5:20 PM Compton Polarimeter possible location - Katsunobu Oide Katsunobu Oide (High Energy Accelerator Research Organization (JP))

5:40 PM discussion and action items
4:00 PM Coffee break
Coffee break
4:00 PM - 4:20 PM
Room: 37/R-022
Tuesday, October 24, 2017

8:30 AM Session in 37-R-022

8:30 AM - 12:30 PM
Room: 37/R-022

10:00 AM Coffee break
Coffee break
10:00 AM - 10:20 AM
Room: 37/R-022

12:30 PM Lunch break
Lunch break
12:30 PM - 2:00 PM
Room: 37/R-022
2:00 PM Session in 376-1-020
2:00 PM - 7:00 PM
Room: 376/1-020
Contributions

2:45 PM VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

3:00 PM Scan points for W and Z and motivation for precision energy calibration in high statistics runs - Alain Blondel (Universite de Geneve (CH))

3:30 PM supplementary monitoring Spectrometer (possibly within polarimeter) - Nickolai Muchnoi (BINP Novosibirsk) Nickolai Muchnoi Nikolay Muchnoy (BINP Novosibirsk)

4:30 PM Further Polarization results vs number of wigglers and Qs - Eliana Gianfelice-Wendt (Fermi National Accelerator Lab. (US))

4:50 PM Simulations of polarization dependence on Qs - Ivan Koop (Budker Institute of Nuclear Physics (RU)) Ivan Koop (BINP)
4:00 PM Coffee break
Coffee break
4:00 PM - 4:20 PM
Room: 37/R-022
Wednesday, October 25, 2017
8:30 AM Session in 37-R-022
8:30 AM - 7:30 PM
Room: 37/R-022
Contributions

2:45 PM VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

3:00 PM Follow up on energy spread, energy asymmetry, and all that - Patrick Janot (CERN)

3:30 PM "Inverse Compton Scattering of Beamstrahlung Radiation on the Oncoming Bunch Particles at FCC-ee" - Nickolai Muchnoi (BINP Novosibirsk) Nickolai Muchnoi Nikolay Muchnoy (Budker Institute of Nuclear Physics (RU))
10:30 AM Coffee break
Coffee break
10:30 AM - 10:50 AM
Room: 37/R-022

12:30 PM Lunch break
Lunch break
12:30 PM - 2:00 PM
Room: 37/R-022

4:00 PM Coffee break
Coffee break
4:00 PM - 4:20 PM
Room: 37/R-022

7:30 PM Social dinner
Social dinner
7:30 PM - 9:30 PM
Thursday, October 26, 2017

8:30 AM Session in 37-R-022

8:30 AM - 12:30 PM
Room: 37/R-022

10:30 AM Coffee break
Coffee break
10:30 AM - 10:50 AM
Room: 37/R-022

12:30 PM Lunch break
Lunch break
12:30 PM - 2:00 PM
Room: 37/R-022
2:00 PM Session in 376-1-020
2:00 PM - 7:00 PM
Room: 376/1-020
Contributions

2:45 PM VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

3:00 PM spin tune shifts - Eliana Gianfelice-Wendt (Fermi National Accelerator Lab. (US))

3:30 PM FCC-ee Integrated Polarimeter/spectrometer - Alain Blondel (Universite de Geneve (CH)) Nickolai Muchnoi (BINP Novosibirsk) Nickolai Muchnoi Nikolay Muchnoy (Budker Institute of Nuclear Physics (RU))

4:30 PM TBC How to measure/monitor the energy spread with beam instrumentation - Thibaut Lefevre (CERN)
4:00 PM Coffee break
Coffee break
4:00 PM - 4:20 PM
Room: 37/R-022
Friday, October 27, 2017
8:30 AM Session in 37-R-022
8:30 AM - 7:30 PM
Room: 37/R-022
Contributions

2:45 PM VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

3:00 PM Further details and studies on polarimeter/spectrometer - Nickolai Muchnoi (BINP Novosibirsk) Nickolai Muchnoi Nikolay Muchnoy (Budker Institute of Nuclear Physics (RU))

3:20 PM improvement on baseline running scheme with wigglers and systematic errors as they stand - m Koratzinos (Universite de Geneve (CH))

3:50 PM More on Resonant Depolarization in FCC-ee - Ivan Koop (BINP) Ivan Koop (Budker Institute of Nuclear Physics (RU))

4:30 PM table of contents and discussion of further studies and R&D - Alain Blondel (Universite de Geneve (CH)) Jorg Wenninger (CERN)

5:00 PM concluding remarks - Alain Blondel (Universite de Geneve (CH))
10:00 AM Coffee break
Coffee break
10:00 AM - 10:20 AM
Room: 37/R-022

12:30 PM Lunch break
Lunch break
12:30 PM - 2:00 PM
Room: 37/R-022

4:00 PM Coffee break
Coffee break
4:00 PM - 4:20 PM
Room: 37/R-022