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1. What is SLAC-KEK ISG Meeting?

This is the third meeting in its series for the SLAC-KEK International Linear Collider Study Group (ISG). The first meeting was held at SLAC in January, 1998, and the second was held at KEK in July, 1998.

The SLAC-KEK ISG was formed in 1998, based on a Memorandum of Understanding between SLAC and KEK on development of Linear Colliders, which utilizes room-temperature RF technologies for the main linacs.

The 3rd SLAC-KEK ISG meeting is to be held at SLAC in the fourth week (25th Monday, through 28th Thursday) of January, 1999. Except for daily summary sessions in the morning, the majority of the meetings are to be done in the form of Working Group (WG) sessions, where the attendees are expected to actually do some real work.

The meeting is open to anyone who is collaborating with members of KEK and SLAC on accelerator development for future linear colliders, whether from academic or industrial standpoint. There are no attendance fees to be charged.

For inquiries, contact Robbin Nixon at robbin@slac.stanford.edu or Nixx Arias at nixx@slac.stanford.edu. Fax: (650) 926-5124.

2. ISG3 Meeting Goals and Plans

The overall goal of the Third SLAC-KEK ISG meeting is to review the progress of each working group and to make specific plans for future work. The ISG will publish a progress report by the end of the 1999 calendar year. A specific task for this meeting is to create an outline of this progress report and to agree on the detailed design and R&D goals to be achieved in time for its preparation.

Six Working Groups (WG) participated in the second ISG meeting at KEK last July and will continue their efforts at this third session. The general goals of the WGs are:

• WG1: Parameters [K. Yokoya (KEK) and T. Raubenheimer (SLAC)], Yosemite Valley, Bldg.214

Evaluate critical tolerances for the collider performance and provide support for the other working groups.

• WG2: Injectors [H. Hayano (KEK) and J. Sheppard (SLAC)], Fuji, Bldg.214

Compare and contrast JLC and NLC beam parameter specifications; highlight and understand differences. Discuss main damping ring and predamping ring lattice designs; compare and contrast differences between JLC and NLC designs. Discuss NLC damping ring development programs. Discuss beam loading compensation in the injector linacs, capture regions, and compressor sections of the JLC and NLC. Meet with the JLC/NLC Parameters Group.

• WG3: Main Linac Structures [T. Higo (KEK) and J. Wang (SLAC)], Training Center

Review experiences with existing structures. Review status and plans for the RDDS1 structure now under construction. Outline goals for the remainder of the year, and discuss longer range ideas and plans for the design and fabrication of structures.

• WG4: Klystron Modulators [M. Akemoto (KEK) and R. Cassel (SLAC)], Cascades, Bldg.212

Discuss plans for klystron modulator development with particular emphasis on performance and technical specifications for solid-state switching devices and their availability in industry.

• WG5: RF Modeling [Y. H. Chin (KEK), A. Vlieks (SLAC), and S. Tantawi (SLAC)], Yellow Rm., A&E Bldg.

Discuss and review plans for design and testing of high-power components. Review performance expectations for various pulsed-power systems. Outline goals for the remainder of the year and discuss longer range ideas and plans for development and testing of high-power components and systems.

• WG6: Interaction Region [ T. Tauchi (KEK) and T. Markiewicz (SLAC)], Training Center

Review results from simulations of detector backgrounds and needed future calculations and measurements. Review the status of the design of the interaction region, methods to stabilize the beam collisions, and techniques to measure the parameters of the beam collisions that are needed to carry out experiments at linear colliders. Outline goals for the remainder of the year.

3. Meeting Calendar :

Continental Breakfast served at 8:30 each morning in the Training Center.

4. Meeting Rooms

The following meeting rooms are reserved during the week of January 25, for this ISG meeting at SLAC.

Legends:

• Training Center, Bldg.272
• Yellow Room, A&E Bldg. 041
• Fuji, Bldg. 214
• Cascades Bldg. 212
• Yosemite Valley, Bldg. 214
• Pantagonia, Bldg. 281

Meeting rooms are scarce , and we are relying on courtesies of other SLAC colleagues who agreed to let us use these spaces. Whenever the rooms mentioned above are found not needed, we are asked to release them immediately. So, the WG leaders are warned.

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This page created and updated on 1/22/99 by Nixx.