ATF2 Topical Meeting

5 Jul 2013, 10:30 → 8 Jul 2013, 18:00 Asia/Tokyo

1F-meeting (3-gokan, KEK)

Two days meeting on 5 and 8 July, 2013. Major subjects are the installation and commissioning the new IP chamber system and the very recent beam tuning status towards a publication.

fuze meeting info. fuzebox-info.txt

Preliminary agenda,6/20 atf2-topical-meeting-agenda.htm

Friday 5 July

New IP Chamber

Convener: Philip Bambade (Laboratoire de l''Accelerateur Lineaire (LAL) (IN2P3) (LAL))

1 Final configuration with the 3D mechanical measurements

Speaker: Mr Sandry WALLON (LAL-CNRS)

Slides ATF2_IP_Chamber_for_IP-BPM_-_Final_configuration_with_the_3D_mechanical_measurements_-_5_July._2013_-_Sandry_WALLON,_LAL_Orsay.pdf ATF2_IP_Chamber_for_IP-BPM_-_Final_configuration_with_the_3D_mechanical_measurements_-_5_July._2013_-_Sandry_WALLON,_LAL_Orsay.ppt

2 Calibration of the Cedrat / PI piezo-mover systems and new results on the investigation of the stability

Speaker: Oscar Roberto Blanco Garcia (Universite de Paris-Sud 11 (FR))

Transparents pres02c.pdf

3 Installation and alignment of the IP chamber

Speaker: Nobuhiro Terunuma (KEK)

Slides ATF2-Topical-terunuma.pdf ATF2-Topical-terunuma.pptx

4 Discussion

installation and alignment

12:30 Lunch

IPBPM and IP-feedback

Convener: Dr Toshiaki Tauchi (KEK)

5 KNU IPBPM and reference cavity

Speaker: Mr Siwon Jang (KNU)

Slides KNU_IP-BPM_with_Ref._cavity_BPM.pdf KNU_IP-BPM_with_Ref._cavity_BPM.pptx

6 Recent results of IP feedback studies

Speaker: Prof. Philip Burrows (Oxford University)

Slides FONT_IPFB_ATF2_july2013.pdf FONT_IPFB_ATF2_july2013.ppt

7 IP position drift and feedback

Speaker: Dr Toshiyuki Okugi (KEK)

Slides ATF2_okugi_20130705.pdf

16:00 coffee break

Discussion on the commissioning plan

Planning and minimum requirements for the commissioning of the new IP setup, to enable operating the BSM to measure small spots.
- IPBPMs in the new IP chamber , calibration and electronics
- how to best match it to the continuing goal-1 effort

Convener: Philip Bambade (Laboratoire de l''Accelerateur Lineaire (LAL) (IN2P3) (LAL))

Monday 8 July

Very recent results (1)

Convener: Dr Kiyoshi Kubo (KEK)

8 Summary of the first day

Speaker: Dr Toshiaki Tauchi (KEK)

Slides ATF2-topical-meeting.pdf

9 Emittance at DR and EXT

Speaker: Dr Shigeru KURODA (KEK)

Slides EmittanceOfDRAndEXT2013.pdf

10 DR studies aimed at smaller emittance

Speaker: Yves Renier (CERN)

Slides turn_by_turn_ATF.pdf

11 Wakefield effects

Speaker: Dr Kiyoshi Kubo (KEK)

Slides wakefieldeffect20130708.pdf wakefieldeffect20130708.pptx

12 Updates of the wakefield study

Speaker: Jochem Snuverink (CERN)

Slides ATF2TopicalMeetingJuly130708.pdf

13 Simulation results of jitters at BPMs and IP

Speaker: Dr Kiyoshi Kubo (KEK)

Slides orbit-jitter.pdf orbit-jitter.pptx

14 Beam jitter experiment of exchanging power supplies

Speaker: Juergen Pfingstner (CERN)

Slides atf_jitter.pdf atf_jitter.ppt

15 Recent results in analysis of errors in fringe scans by Shintake Monitor (IPBSM)

Speaker: Ms Jacqueline Yan (University of Tokyo)

Slides 130708-ATF2-2.pdf 130708-ATF2-2.ppt

12:55 Lunch

Very recent results (2)

Convener: Philip Bambade (Laboratoire de l''Accelerateur Lineaire (LAL) (IN2P3) (LAL))

16 IP beam size measurements

Speaker: Dr Toshiyuki Okugi (KEK)

Slides ATF2_okugi_20130708.pdf

17 The first result at ATF2 for publication

Speaker: Dr Glen White (SLAC)

Slides ATF2pub.pdf ATF2pub.pptx

15:50 coffee break

Discussion on a major issue of IP beam size and the publication

IP beam size
-our understanding of what is preventing us from reducing the spot size below 65 nm
-attempts to evaluate beam stability from IPBSM and BPMs
Publication
- contents and schedule for the first paper
- planning publications in future

Convener: Dr Toshiaki Tauchi (KEK)