POSIPOL 2012

4 Sept 2012, 08:00 → 7 Sept 2012, 14:00 Europe/Zurich

DESY Zeuthen

The webpage of POSIPOL 2012 (4-6 September) is hosted at http://www.desy.de/POSIPOL2012
On Friday, September 7th, also the ILC Positron Source Group Meeting will take place at DESY in Zeuthen (Seminar room 1). This meeting does not belong to POSIPOL2012 but the POSIPOL participants are cordially invited to attend.

Tuesday 4 September

08:00 → 09:00 Registration

09:00 → 09:20 Welcome and introduction

slides POSIPOL12-welcome.pdf POSIPOL12-welcome.ppt

09:00 Opening

09:05 DESY Zeuthen

Speaker: Prof. Christian Stegmann (DESY, Potsdam University)

Slides 201208-DESYZeuthen-engl.pdf 201208-DESYZeuthen-engl.pptx

09:20 → 13:00 Physics and status of accelerator projects and experiments (1)

09:20 Physics with polarized beams in the light of LHC results

Speaker: Mikael Berggren (DESY Hamburg)

Slides berggren_physics_posipol.pdf

09:45 The Linear Collider Projects

Speaker: Dr tsunehiko omori (KEK)

Slides 20120904-POSIPOL2012-TO_v2a.pdf 20120904-POSIPOL2012-TO_v2a.pdf

10:10 ILC e+ source status/ general status

Speaker: Wei Gai (ANL)

Slides POSIPOL12-Wei-Gai.pdf POSIPOL12-Wei-Gai.pptx

10:40 Coffee

11:00 CLIC status (including injectors)

Speaker: Steffen Doebert

Slides CLIC-intro.pdf CLIC-intro.pptx

11:30 LHeC

Speakers: Ian Bailey (University of Liverpool), Louis Rinolfi (CERN)

Slides

• LHeCPositronPhysicsCasePOSIPOL2012.pdf
• LHeCPositronPhysicsCasePOSIPOL2012.ppt
• Rinolfi_LHeC_POSIPOL.pdf
• Rinolfi_LHeC_POSIPOL.ppt

12:00 SuperKEKB e+ source (webex)

Speaker: Dr Takuya Kamitani (KEK)

Slides SuperKEKB_e+_source_POSIPOL2012.pdf SuperKEKB_e+_source_POSIPOL2012.ppt

12:30 Workshop Photo

13:00 → 14:00 Lunch

14:00 → 18:00 Status of accelerator projects and experiments (2)

14:00 FLASH

Speaker: Dr Mathias Vogt (DESY)

Slides vogtm_y2012m09d04.pdf

14:35 Polarized beams and projects at MAMI

Speaker: Prof. Kurt Aulenbacher (Uni Mainz)

Slides Mainz_Positrons_at_Posipol_Sept2012V2.pdf Mainz_Positrons_at_Posipol_Sept2012V2.ppt

15:10 PEPPo Status, preliminary measurements

Speaker: Joe Grames (JLab)

Slides POSIPOL12_Grames.pdf POSIPOL12_Grames.pptx

15:45 Coffee

16:05 RF helical undulator and its application to polarized positron production

Speaker: Prof. Sami Tantawi (SLAC)

Slides RF_Undulator.pdf RF_Undulator.pptx

16:40 SuperB

Speaker: Dr Olivier Dadoun (LAL Orsay)

Slides ODD-Posipol2012-SuperBStatus.pdf

17:10 Eli-NP status

Speaker: Dr Olivier Dadoun (LAL Orsay)

Slides ODD-Posipol2012-Eli-NP-Status.pdf

18:00 → 19:00 Welcome Reception

Wednesday 5 September

09:00 → 12:40 Undulator sources & source modelling

09:00 ILC/CLIC undulator simulation studies, LHeC thoughts

Speaker: Mike Jenkins (Lancaster University / Cockcroft Institute)

Slides POSIPOL12_MikeJenkins.pdf POSIPOL12_MikeJenkins.pptx

09:25 Update on eddy currents

Speaker: Ian Bailey (University of Liverpool)

Slides TargetEddyCurrentsPOSIPOL2012_IRB.pdf TargetEddyCurrentsPOSIPOL2012_IRB.ppt

09:50 ILC Target prototyp developments (by webex)

Speaker: Dr Jeff Gronberg (LLNL)

Slides gronberg_seal.pdf

10:15 Flux concentrator prototyping (by webex)

Speaker: Dr Jeff Gronberg (LLNL)

Slides gronberg_magnet.pdf

10:40 Coffee

11:00 Target remote handling

Speakers: Wei Gai (ANL), Prof. Xuejun Jia (Institute of Physics, CAS)

Slides Remote_Handling_of_ILC_Target_Station_（New）.pdf Remote_Handling_of_ILC_Target_Station_（New）.pptx

11:25 ILC source modeling up to 1 TeV

Speaker: Dr Andriy Ushakov (University of Hamburg)

Slides Ushakov-upto1TeV.pdf

11:50 Photon collimator design

Speaker: Dr Friedrich Staufenbiel (DESY Zeuthen)

Slides Staufenbiel_PosiPol12.pdf

12:15 Upgrade to high ILC energies (webex)

Speaker: Wanming Liu (Argonne National Lab)

Slides Wanming.pdf Wanming.pptx

12:40 → 13:40 Lunch

14:00 → 23:00 Excursion to Berlin, Dinner

14:00 Bus transport to Berlin

15:30 Plan: Guided walking tour (Brandenburger Tor - Unter den Linden - Berliner Dom)

18:15 Boat round trip: Berliner Dom - Kanzleramt - Berliner Dom

19:30 Dinner

22:00 Bus to Zeuthen

Thursday 6 September

09:00 → 11:00 Positron polarisation, spin manipulation, polarimetry

09:00 Resonant depolarization in the ILC damping ring with RF dipoles

Speaker: Mr Valentyn Kovalenko (University of Hamburg/DESY)

Slides Kovalenko_resonant_depolarization.pdf

09:20 Measurement of transversely polarized beams at the IP

Speaker: Itai Ben Mordechai

Slides TPOLposipol.pdf TPOLposipol.pptx

09:40 PEPPo e+/e- polarization measurements

Speaker: Erica Fanchini (LPSC, Grenoble, JLab)

Slides Posipol2012_Fanchini.pdf Posipol2012_Fanchini.pptx

10:00 Polarization of final electrons/positrons during multiple Compton backscattering process

Speaker: Prof. Alexander Potylitsin

Slides Potylitsyn_Polarization_POSIPOL_12.pdf Potylitsyn_Polarization_POSIPOL_12.pptx

10:25 Coffee

11:00 → 12:00 Hybrid sources, special targets

11:00 Hybrid targets: tests and studies

Speaker: Dr Tohru Takahashi (Hiroshima University)

Slides hybrid-takahashi-20120906.pdf hybrid-takahashi-20120906.pptx

11:25 Granular vs compact positron converters: advantages and application to hybrid sources

Speaker: Dr Peter Sievers (CERN, ESS)

Slides granzeuthen2.pdf granzeuthen2.pptx

12:00 → 15:40 Compton sources, optical cavities & lasers

12:00 Recent progress for 4-Mirror Compton cavity at KEK

Speaker: Prof. Junji Urakawa (KEK)

Slides 2012PosiPol-1.pdf 2012PosiPol-1.ppt

12:25 Experiment of the 4-Mirror Compton cavity at KEK-ATF

Speaker: Dr Tohru Takahashi (Hiroshima University)

Slides Compton-at-ATF-takahashi.pdf Compton-at-ATF-takahashi.pptx

13:00 Lunch

14:00 Compact several MeV Gamma-ray source based on Compton scattering

Speaker: Prof. Junji Urakawa (KEK)

Slides 2012PosiPol-2.pdf 2012PosiPol-2.ppt

14:20 An ultimate Compton ring for positron production and cooling

Speaker: Dr Eugene Bulyak (NSC KIPT)

Slides bulyakPos12.pdf

14:50 Compton ring with CO2 laser for polarized positrons source

Speaker: Peter Gladkikh

Slides CO2CR.pdf CO2CR.ppt

15:15 3.5 GeV superconducting stacking ring for polarized positrons source

Speaker: Peter Gladkikh

Slides SCSR.pdf SCSR.ppt

15:40 → 16:00 Coffee

16:00 → 16:25 Truly conventional sources

16:00 Conventional source developments

Speaker: Prof. Junji Urakawa (KEK)

Slides 300Hz-2012PosiPol-3.pdf 300Hz-2012PosiPol-3.ppt

16:30 → 18:00 Future work and plans

16:30 Report Roadmap & European Linear Collider strategy

Speaker: Gudrid Moortgat-Pick (University of Hamburg/DESY)

Slides Posipol12-roadmap.pdf

16:45 ILC/CLIC e+ generation working group – Status and future

Speakers: Louis Rinolfi (CERN), Wei Gai (ANL)

Slides ILC-CLIC_e+_generation_Sept_2012.pdf ILC-CLIC_e+_generation_Sept_2012.ppt

17:05 Discussion on future work, experiments and collaboration

Friday 7 September

08:00 → 14:00 ILC Positron Source Group Meeting

This meeting does not belong to POSIPOL2012 but the POSIPOL participants are cordially invited to attend.

Main topics:
TDR writing status
Low energy option (250GeV, 350GeV)
1TeV Upgrade
Future plans

09:00 Status TDR writing: e+ source

Speaker: Wei Gai (ANL)

Slides

• 3_-_Positron_Source(TDR)2-wg(no_tracking2010907).docx
• 3_-_Positron_Source(TDR)2-wg(no_tracking2010907).pdf
• ILC_TDR_PART_1_Positron_Source-wg201297.docx
• ILC_TDR_PART_1_Positron_Source-wg201297.pdf

10:30 Coffee break

10:50 Low energy option

11:30 1TeV upgrade: Undulator, photon collimator, target, OMD, source performance

12:10 Future tasks