Minutes of 90th FFIR/BDSIM and 12th ILC-Asia WG4 meeting on 1/19/2005

The 12th meeting was held on Jan.19 10:00 am at rm.425 bldg no.3.

http://lcdev.kek.jp/ILC-AsiaWG/WG4notes/
Jan. 19 10:00
Rm.425 bldg.3 at KEK.

(1) Plan in FY2005; ATF2, Nano-BPM etc. including budget plan  
(Japan-US.)

  [Discussion]
   - Form 4-5 subgroups
   - 2-3 responsible person for each subgroup
   - Optics design will be fixed by March.
     Then we can negotiate which country produces which part.
   - ATF2 program should be presented in ATF meeting.


(2) ATF2 proposal

   - WG4 conveners (1st ILC WS) are forming a editorial board.
   - Editorial board should be a core of editorial team.
   - Table of contents and candidate author will be announced.
   - Schedule:
     Draft document  LCWS (March), PAC05 (May)
     Final document  BDIR meeting (June)

  [Discussion]
   - "Collaboration board" which controls whole activity will be needed.
   - We will propose to form the board to US/Europe.


(3) RF kicker for head-on collision, Y. Iwashita
      
http://lcdev.kek.jp/ILC-AsiaWG/WG4notes/meeting/2005/0119/ 
RF_kicker2.pdf

   - Place DC+RF magnet between two bunches.
   - The coil will be made of magnetic alloy (finemet).
   - Magnetic field ~ 0.25T
   - Kick a beam  ~ 1mrad.

  [Discussion]
   - What is the maximum magnetic field at "not-kick phase"?

(4) detector solenoid effect on the nanometer beam, S.Kuroda
      
http://lcdev.kek.jp/ILC-AsiaWG/WG4notes/meeting/2005/0119/ 
Solenoid_effect.pdf

   - Need IP angle correction
   - Detector Integrated Dipole (DID) is proposed for IP angle  
compensation.
   - Anti-solenoid is proposed for beam-size compensation.

  [Discussion]
   - Detector people have to consider detector solenoid effect.

--Tomo SANUKI

The next meeting will be on 15 December, 2004,10:00 - at 3 gokan, 425 .