Tests of the barrier RF system for beam stacking in the MI

• All the new results of the barrier RF stacking study are posted on the web:
  In each "Elog_(date)" folder, you will find a file named "summary_(date).ppt," which includes all the plots taken on that date.
• April 6, 2004.  Successful acceleration of intense fat beams generated by barrier RF stacking.  Results.
• Winter 2003 Tests
• April 2003 Tests (links to 40 different plots; each is a jpg file; there is also a summary -- MSword file)
• Fall 2003 Tests (links to 38 different plots; each is a TIF file)
• September 19, 2003 Tests

General Background Information

• Weiren Chou and Akira Takagi, "Barrier RF Study at Fermilab," seminar, PS Division, KEK, July 10, 2003 {pdf)
• Weiren Chou and Akira Takagi, "Recent RF Development at Fermilab," Presented to the FFAG03 Workshop, July 7-12, 2003, KEK. (pdf)
• Kota Torikai, "KEK induction acceleration study (1)," Powerpoint file in Japanese.
• Kunio Koseki, "KEK induction acceleration study (2)," Powerpoint file in Japanese.
• Weiren Chou, "Barrier RF Stacking," RPIA2002 Workshop October 29–31, 2002, KEK, Japan
• W. Chou, "Introduction to the Barrier RF Stacking Study" September 2002.  (pdf)
• W. Chou for the barrier rf stacking study group, "Proposal for beam experiments on barrier rf stacking"  (pdf) 12-11-01
• Link to RPIA2002, Recent Progress in Induction Accelerators Workshop, KEK, October, 2002.

Hardware (all files are pdf)

• Finemet core design (drawing)
• Finemet core measurement data
• Fast high voltage transistor switches
• Prototype Barrier RF System Design

References (all files are pdf)

• Weiren Chou, "Several Topics in Recent Accelerator Studies," Presentation to the Midwest Accelerator Physics Meeting, June 10-11, 2003, ANL
• W. Chou, J. Griffin, K.Y. Ng, D. Wildman, A. Takagi, H. Zheng, "BARRIER RF STACKING AT FERMILAB," Presented at PAC03, May 12-16, 2003, Portland, Oregon
• J. Griffin, "Momentum Stacking in the Main Injector Using Longitudinal Barriers" June 2002
• K-Y. Ng, "Doubling Main Injector Beam Intensity using RF Barriers," ICFA-HB2002
• C. Bhat, "Barrier Buckets in the Fermilab Recycler Ring," ICFA-HB2002
• W. Chou, Y. Mori, M. Muto, Y. Shirakabe, A. Takagi, "Design and Measurements of a Pulsed Beam Transformer as a Chopper," KEK Report 98-10, Sept. 1998
• W. Chou, Y. Mori, M. Muto, Y. Shirakabe, A. Takagi, "Design and Test of a Beam Transformer as a Chopper," PAC 1999
• Y. Mori, M. Muto, C. Ohmori, Y. Shirakabe, A. Takagi, W. Chou, "Fast Beam Chopper with MA Cores," EPAC 2000
• Y. Mori, M. Muto, C. Ohmori, Y. Shirakabe, A. Takagi, S. Yamaguchi, "Test Results of a Fast Beam Chopper with MA Cores," PAC 2001
• A.W. Molvik and A. Faltens, "Induction core alloys for heavy-ion inertial fusion-energy accelerators," PRST-AB 5, 080401 (2002)