FCC-ee polarization workshop

from Wednesday 18 October 2017 (08:20) to Friday 27 October 2017 (19:30)
CERN (37/R-022)

        : Sessions
    /     : Talks
        : Breaks
18 Oct 2017
19 Oct 2017
20 Oct 2017
23 Oct 2017
24 Oct 2017
25 Oct 2017
26 Oct 2017
27 Oct 2017
AM
08:20
Session in 37-R-022 (until 20:25)
10:30 --- Coffee break ---
12:30 --- Lunch break ---
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)  
16:05 --- Coffee break ---
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  
08:30
Session in 376-1-020 (until 20:30)
10:30 --- Coffee break ---
12:30 --- Lunch break ---
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))  
16:00 --- Coffee break ---
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  
08:30
Session in 37-R-022 (until 19:50)
10:00 --- Coffee break ---
12:30 --- Lunch break ---
15:00 systematic errors on the E_CM energy calibration – theoretical issues - Dr Anton Bogomyagkov  
15:30 simulation tools for polarization and energy calibration - Desmond Barber (DESY)  
16:00 --- Coffee break ---
16:30 Spin Simulations with the Bmad Toolkit - David Sagan  
17:00 measurements of RF phase and saw-toothing at FCC-ee - Mike Hildreth (Department of Physics-College of Science-University of Notre Da) Mike Hildreth (University of Notre Dame (US)) Wolfgang Hofle (CERN) Helga Timko (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 - m Koratzinos (Universite de Geneve (CH)) Thibaut Lefevre (CERN)  
08:30
Session in 37-R-022 (until 12:30)
08:30 --- Coffee break ---
08:30
Session in 37-R-022 (until 12:30)
10:00 --- Coffee break ---
08:30
Session in 37-R-022 (until 19:30)
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 Nickolai Muchnoi (BINP Novosibirsk) Nikolay Muchnoy (Budker Institute of Nuclear Physics (RU))  
10:30 --- Coffee break ---
08:30
Session in 37-R-022 (until 12:30)
10:30 --- Coffee break ---
08:30
Session in 37-R-022 (until 19:30)
14:45 VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))  
15:00 Further details and studies on polarimeter/spectrometer - Nikolay Muchnoy (Budker Institute of Nuclear Physics (RU)) Nickolai Muchnoi Nickolai Muchnoi (BINP Novosibirsk)  
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))  
16:10 --- coffee break ---
16:30 table of contents and discussion of further studies and R&D - Jorg Wenninger (CERN) Alain Blondel (Universite de Geneve (CH))  
17:00 concluding remarks - Alain Blondel (Universite de Geneve (CH))  
10:00 --- Coffee break ---
PM
12:30 --- Lunch break ---
14:00
Session in 376-1-020 (until 19:00)
14:45 VIDYO conference connection - Alain Blondel (Universite de Geneve (CH))  
15:00 summary of actions from 1st week, plan for second week - Jorg Wenninger (CERN) Alain Blondel (Universite de Geneve (CH))  
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 ---
12:30 --- Lunch break ---
14:00
Session in 376-1-020 (until 19:00)
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 Nickolai Muchnoi (BINP Novosibirsk) Nikolay Muchnoy (BINP Novosibirsk)  
16:00 --- Coffee ---
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 ---
12:30 --- Lunch break ---
16:00 --- Coffee break ---
19:30 --- Social dinner ---
12:30 --- Lunch break ---
14:00
Session in 376-1-020 (until 19:00)
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 - Nickolai Muchnoi Alain Blondel (Universite de Geneve (CH)) Nikolay Muchnoy (Budker Institute of Nuclear Physics (RU)) Nickolai Muchnoi (BINP Novosibirsk)  
16:30 TBC How to measure/monitor the energy spread with beam instrumentation - Thibaut Lefevre (CERN)  
16:00 --- Coffee break ---
12:30 --- Lunch break ---
16:00 --- Coffee break ---