POSIPOL 2006

26 Apr 2006, 08:00 → 28 Apr 2006, 18:30 Europe/Zurich

CERN - European Organization for Nuclear Research

Posipol 2006 Workshop

Wednesday, 26 April

08:00 → 09:00 Registration Reception Building 33

09:00 → 10:30 Overview Session - 1

Convener: L Rinolfi (CERN)

09:00 Welcome

Speaker: Robert Aymar (CERN)

09:10 Scope of the Workshop

Speaker: Louis Rinolfi (CERN)

Slides Scope_Posipol.pdf Slides

09:30 The Physics aspects

Speaker: Dr Gudrid Moortgat-Pick (CERN)

Slides Slides

10:00 Polarized e+ source for ILC based on Compton scheme

Speaker: Prof. Junji Urakawa (KEK)

Paper Paper

Slides Posipol06.pdf Slides

10:30 → 11:00 Coffee Break

11:00 → 12:30 Overview Session - 2

Convener: Gilbert Guignard (CERN)

11:00 The ILC undulator baseline

Speaker: Dr John Sheppard (SLAC)

Slides Slides

11:30 The CLIC scheme

Speaker: Dr Frank Zimmermann (CERN)

Paper CLIC-Scheme-EPAC06-WEPLS060.pdf

Slides CLIC_Scheme_-_Posipol2006_-_Frank_Zimmermann.pdf Slides

12:00 Discussion

12:30 → 13:30 Lunch

13:30 → 15:30 Compton ring Session

Convener: Frank Zimmermann (CERN)

13:30 Focusing lattices for the Compton gamma rings

Speaker: Dr Peter Gladkikh (NSC KIPT)

Minutes Gladkikh.pdf

Slides POSIPOL-06-Gladkikh.pdf Slides

14:00 Polarized e+ source for ILC based on Compton backscattering of high intensity of electron and CO2 laser beams

Speaker: Dr Vitaly Yakimenko (BNL)

Slides CPPS_Vitaly_Yakimenko.pdf Slides

14:30 Lattice design for the Compton ring

Speaker: Dr Susanna Guiducci (INFN)

Paper Abstract_POSIPOL06.pdf Paper

Slides Slides

15:00 Compton parameters optimisation

Speaker: Dr Alessandro Variola (LAL)

Paper Paper

Slides posipol.pdf Slides

15:30 → 16:00 Coffee Break

16:00 → 19:00 Laser systems Session

Convener: Junji URAKAWA (KEK)

16:00 Review CO2 laser system for ILC polarized gamma source based on intra-cavity Compton backscattering

Speaker: Dr Igor Pogorelsky (BNL)

Slides Igor_Pogorelsky.pdf Slides

16:30 High average power short-pulse lasers

Speaker: Dr Brent Stuart (Lawrence Livermore Nat. Lab.)

Slides Slides stuart_posipol.pdf

17:00 The ILC laser-wire system

Speaker: Prof. Sudhir Dixit (University of Oxford - John Adams Institute)

Paper suhdirabstarct.doc

Slides Slides sudhirdixit1.pdf

17:20 High power fiber laser

Speaker: Mr Yoann Zaouter (Amplitude Systemes)

Movie linear Movie linear

Movie log Movie log

Slides POSIPOL_Amplitude_Systemes_Y_Zaouter.pdf Slides

17:40 Average power of Ultra fast DPSS lasers

Speaker: Dr Thomas Ruchti (Time-Bandwidth Products AG)

Paper Paper Paper

Slides Slides

18:00 Discussion

19:00 → 19:30 Welcome Drinks

Thursday, 27 April

08:30 → 10:30 Comparison with undulator scheme Session

Convener: John SHEPPARD (SLAC)

08:30 Estimation on the maximal yield and polarization of gamma sources

Eugene Bulyak Karkow Inst.

Speaker: Dr Eugene Bulyak (NSC KIPT)

Paper

• Estimations_of_Maximal_Yield_and_Polarization_in.pdf
• Paper
• paper

Slides Slides

09:00 E-166 results

Speaker: Dr Andreas Schaelicke (DESY Zeuthen)

Slides Slides

09:30 Polarized e+ generation at KEK-ATF

Speaker: Tsunehiko Omori (KEK)

Slides Slides

10:00 Discussion

10:30 → 11:00 Coffee break

11:00 → 12:30 Comparison with undulator scheme Session (continued)

Convener: John SHEPPARD (SLAC)

11:00 Radiation from electrons passing through a helical undulator or colliding with a circularly polarized laser wave

Speaker: Prof. Vladimir Strakhovenko (INP)

Slides CU4-strrad.pdf Slides

12:00 Discussion

12:30 → 13:20 Lunch

13:20 → 13:45 Workshop Photograph

13:45 → 15:30 ATLAS visit into LHC tunnel

15:30 → 16:00 Coffee break

16:00 → 17:00 CLIC /CFT3 visit

17:00 → 19:00 Positron production (Targets) Session

Convener: Peter Schuler (DESY)

17:00 EuroTeV development of a photon conversion target

Speaker: Ian Bailey (Cockcroft Inst.)

Minutes Notes_for_target_talk.doc Notes_for_target_talk.pdf

Slides IRB_target_posipol2006_270406.pdf Slides

17:30 Generation of polarized positrons in a target: photoproduction and related phenomena

Speaker: Prof. Vladimir Strakhovenko (INP)

Slides PP2-strpprod.pdf Slides

18:00 Discussion

19:00 → 22:00 Workshop Dinner

Friday, 28 April

08:30 → 10:30 Positron Capture Session

Convener: Alessandro VARIOLA (LAL)

08:30 Capture of e+ in a adiabatic matching system

Speaker: Dr Robert Chehab (IN2P3/CNRS Lyon)

Paper Paper

Slides POSITRON_CAPTURE_IN_ADIABATIC_MATCHING_SYSTEMS.pdf Slides

09:00 Parameter studies of polarized e+ production and capturing

Speaker: Dr Wei Gai (ANL)

Paper

• Cover-page-Posipol-talk-Gai.doc
• Cover-page-Posipol-talk-Gai.pdf
• Gai-posipol-06.doc
• Gai-posipol-06.pdf

Slides Posipol-ANL-WeiGai-final.pdf Slides

09:30 System considerations for ILC positron source

Speaker: Dr Masao Kuriki (KEK)

Slides Slides

10:00 Discussion

10:30 → 11:00 Coffee break

11:00 → 12:30 Equipments and diagnostics Session

Convener: Masao Kuriki (KEK)

11:00 Non planar astigmatic optical resonator for polarised e+ production

Speaker: Dr Fabian Zomer (Université Paris-11/LAL-CNRS-IN2P3)

Slides Slides

11:30 Beam polarimetry

Speaker: Peter Schueler (DESY, Hamburg)

Slides CERN-POSIPOL-Schuler.pdf Slides

12:00 Discussion

12:30 → 13:30 Lunch

13:30 → 15:30 R&D plans Session

Convener: Jeffrey GRONBERG (LLNL)

13:30 Status of the LAL high finesse cavity R&D

Speaker: Mr Viktor Soskov (CNRS, IN2P3, Laboratoire de l'Accélérateur Linéaire)

Slides RD1-PosiPol_CERN.pdf Slides

14:00 R&D status of optical cavity for ILC polarized e+

Speaker: Dr Hiroki Sato (Hiroshima Univ.)

Slides Posipol2006_Sato.pdf Slides

14:30 Experimental plan of X-ray generation using optical cavity for pulsed laser stacking

Speaker: Mr Kazuyuki Sakaue (Waseda Univ.)

Slides

• POSIPOL_SAKAUE.pdf
• SAKAUE.pdf
• Slides

15:00 Discussion

15:30 → 16:00 Coffee break

16:00 → 17:30 Summary Session

Convener: Luois Rinolfi (CERN)

16:00 Discussion of issues raised during the workshop that need further R & D, ideas for who might carry out such R & D.

Speaker: Louis RINOLFI (CERN)

Slides

• Impressions-Frank-Zimmermann.pdf
• Impressions-Frank-Zimmermann.pdf
• Posipol-recommendations.pdf
• Slides
• Slides
• Slides
• Thanks_POSIPOL.pdf

17:30 → 17:40 End of POSIPOL 2006 Workshop