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 18 October 2017 (08:20) to Friday 27 October 2017 (19:30)

Monday 16 October 2017
Tuesday 17 October 2017
Wednesday 18 October 2017
08:20
08:20 - 20:25
Room: 37/R-022 - 37/R-022
Contributions

14:45 Session I VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

15:00 requirements from Z physics - Alain Blondel (Universite de Geneve (CH))

15:29 requirements from W physics - Paolo Azzurri (INFN Sezione di Pisa, Universita' e Scuola Normale Superiore, P)

15:44 requirements at high energy (HZ and tt)

16:30 Present status of FCC-ee optics - Katsunobu Oide (High Energy Accelerator Research Organization (JP)) Katsunobu Oide

16:50 alignments and corrections - Sandra Aumon (CERN)

17:10 Twiss and Coupling Correction at Cornell's CESR e+/e- Storage Ring - David Sagan

17:30 transverse polarization performance estimates, effect of wigglers requirement on corrections open questionsrequirement on - Eliana Gianfelice-Wendt (Fermi National Accelerator Lab. (US))

18:00 discussion and action items
Thursday 19 October 2017
08:30
08:30 - 20:30
Room: 376/1-020
Contributions

14:45 VIDYO conference connection

15:00 experience on precise energy calibration from Novosibirsk - Ivan Koop (BINP)

15:30 experience from precise energy calibration at LEP and issues - Guy Wilkinson (University of Oxford (GB))

16:30 baseline running scheme with wigglers and systematic errors as they stand - m Koratzinos (Universite de Geneve (CH))

17:00 Energy calibration by resonant depolarization: depolarizer settings, time it takes to do a calibration - Jorg Wenninger (CERN)

17:40 table of parameters: wigglers polarimeter depolarizer - Jorg Wenninger (CERN)

18:00 discussion and action items
Friday 20 October 2017
08:30
08:30 - 19:50
Room: 37/R-022 - 37/R-022
Contributions

15:00 systematic errors on the E_CM energy calibration – theoretical issues - Anton Bogomyagkov

15:30 simulation tools for polarization and energy calibration - Desmond Barber (DESY)

16:30 Spin Simulations with the Bmad Toolkit - David Sagan

17:00 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)

17:30 Beam energy spread measurement at FCC-ee - Patrick Janot (CERN)

18:00 determination of energy spread from beam parameters, bunch length, beam sizes - Thibaut Lefevre (CERN) m Koratzinos (Universite de Geneve (CH))
Saturday 21 October 2017
Sunday 22 October 2017

Monday 23 October 2017

08:30

08:30 - 12:30
Room: 37/R-022 - 37/R-022

12:30 Lunch break
Lunch break
12:30 - 14:00
Room: 37/R-022 - 37/R-022
14:00
14:00 - 19:00
Room: 376/1-020
Contributions

14:45 VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

15:00 summary of actions from 1st week, plan for second week - Alain Blondel (Universite de Geneve (CH)) Jorg Wenninger (CERN)

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

16:30 Touschek effect and monitor beam intensity - Tobias Tydecks (CERN)

16:50 Compton Polarimeter - Nickolai Muchnoi

17:20 Compton Polarimeter possible location - Katsunobu Oide Katsunobu Oide (High Energy Accelerator Research Organization (JP))

17:40 discussion and action items
16:00 Coffee break
Coffee break
16:00 - 16:20
Room: 37/R-022 - 37/R-022
Tuesday 24 October 2017

08:30

08:30 - 12:30
Room: 37/R-022 - 37/R-022

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

12:30 Lunch break
Lunch break
12:30 - 14:00
Room: 37/R-022 - 37/R-022
14:00
14:00 - 19:00
Room: 376/1-020
Contributions

14:45 VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

15:00 Scan points for W and Z and motivation for precision energy calibration in high statistics runs - Alain Blondel (Universite de Geneve (CH))

15:30 supplementary monitoring Spectrometer (possibly within polarimeter) - Nickolai Muchnoi (BINP Novosibirsk) Nickolai Muchnoi Nikolay Muchnoy (BINP Novosibirsk)

16:30 Further Polarization results vs number of wigglers and Qs - Eliana Gianfelice-Wendt (Fermi National Accelerator Lab. (US))

16:50 Simulations of polarization dependence on Qs - Ivan Koop (Budker Institute of Nuclear Physics (RU)) Ivan Koop (BINP)
16:00 Coffee break
Coffee break
16:00 - 16:20
Room: 37/R-022 - 37/R-022
Wednesday 25 October 2017
08:30
08:30 - 19:30
Room: 37/R-022 - 37/R-022
Contributions

14:45 VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

15:00 Follow up on energy spread, energy asymmetry, and all that - Patrick Janot (CERN)

15:30 "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 Coffee break
Coffee break
10:30 - 10:50
Room: 37/R-022 - 37/R-022

12:30 Lunch break
Lunch break
12:30 - 14:00
Room: 37/R-022 - 37/R-022

16:00 Coffee break
Coffee break
16:00 - 16:20
Room: 37/R-022 - 37/R-022

19:30 Social dinner
Social dinner
19:30 - 21:30
Thursday 26 October 2017

08:30

08:30 - 12:30
Room: 37/R-022 - 37/R-022

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

12:30 Lunch break
Lunch break
12:30 - 14:00
Room: 37/R-022 - 37/R-022
14:00
14:00 - 19:00
Room: 376/1-020
Contributions

14:45 VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

15:00 spin tune shifts - Eliana Gianfelice-Wendt (Fermi National Accelerator Lab. (US))

15:30 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))

16:30 TBC How to measure/monitor the energy spread with beam instrumentation - Thibaut Lefevre (CERN)
16:00 Coffee break
Coffee break
16:00 - 16:20
Room: 37/R-022 - 37/R-022
Friday 27 October 2017
08:30
08:30 - 19:30
Room: 37/R-022 - 37/R-022
Contributions

14:45 VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))

15:00 Further details and studies on polarimeter/spectrometer - Nickolai Muchnoi (BINP Novosibirsk) Nickolai Muchnoi Nikolay Muchnoy (Budker Institute of Nuclear Physics (RU))

15:20 improvement on baseline running scheme with wigglers and systematic errors as they stand - m Koratzinos (Universite de Geneve (CH))

15:50 More on Resonant Depolarization in FCC-ee - Ivan Koop (BINP) Ivan Koop (Budker Institute of Nuclear Physics (RU))

16:30 table of contents and discussion of further studies and R&D - Alain Blondel (Universite de Geneve (CH)) Jorg Wenninger (CERN)

17:00 concluding remarks - Alain Blondel (Universite de Geneve (CH))
10:00 Coffee break
Coffee break
10:00 - 10:20
Room: 37/R-022 - 37/R-022

12:30 Lunch break
Lunch break
12:30 - 14:00
Room: 37/R-022 - 37/R-022

16:00 Coffee break
Coffee break
16:00 - 16:20
Room: 37/R-022 - 37/R-022

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