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FYO7 SLAC S CIENCE AND T ECHNOLOGY S ELF E VALUATION
Objective 1.2 Leadership in Science and Technology
For work leading to the recently-released Reference Design Report (RDR), SLAC physicists were
Area Leaders for every section of the machine except the damping ring, including both electron and
positron sources, the bunch compressors, the main linacs and the beam delivery system. SLAC
contributions to the damping ring design include the lead on electron cloud suppression and studies
of the fast ion instability. SLAC physicists are Technical or Global System Leaders for four areas.
Eight members of the Global Design Effort (GDE) are from SLAC including the Lead Accelerator
Physicist for the Americas Region, the Electronic Document Management System (EDMS)
Committee Chair, the Systems Integration Engineer and the Lead Editor for the RDR.
An extensive ILC R&D program includes the beam delivery system (BDS), electron and positron
sources, RF power sources and high availability hardware systems
Engineering Design Phase
The ILC effort has entered an Engineering Design Phase to refine the design and cost estimate over 3
years, to culminate in a detailed Engineering Design Report (EDR) in 2010. SLAC has chosen to
focus engineering work on four main areas—the electron source, the beam delivery system, the main
linac overall systems design and the RF power sources—and will lead these areas through the EDR
and into construction. SLAC also has primary responsibility for systems integration and for
developing an installation model. For the damping rings, SLAC will continue a major effort on the
vacuum system design, in particular on electron cloud, fast-ion and collective effects. This work is in
collaboration with LBNL and Cockcroft Institute. SLAC continues to play a supporting role in the
positron source and bunch compressors.
The SLAC accelerator complex provides facilities to support a wide range of ILC R&D. These are
discussed in other sections of this report.
Reviews, Meetings and Publications
The ILC group participates actively in the national and international community through reviews and
meetings. The SLAC ILC group played a major role in formulating the shape and content of the three
ILC GDE Meetings in November 2006, February 2007 and May 2007. SLAC ILC Department
members made significant contributions to leadership of area, technical and global groups and as
working group conveners.
SLAC ILC members presented papers at the 17th International Spin Physics Symposium (SPIN06),
the IEEE Nuclear and Sciences Symposium, and the Workshop on Polarized Sources and Targets, the
Asian Particle Accelerator Conference (APAC07), the International Workshop on Electron-Cloud
Effects (ECLOUD07), and the Computational High Energy Physics conference (CHEP-07). SLAC
had a major presence at the Particle Accelerator Conference (PAC 07) with five invited papers, four
contributed talks and more than 39 papers.
SLAC hosted the US High Gradient Research Workshop (HG 2007) and a Workshop on IR
Engineering (IRENG07).
SLAC ILC physicists participated in the RDR cost reviews. They also made presentations at the ILC
Machine Advisory Committee (MAC) meetings.
SLAC ILC members participated in many advisory and review committees including HEPAP, P5,
MUTAC, the DPB Executive Committee, the NSF and DOE Committees of Visitors, the LCLS
Facilities Advisory Committee, the CLIC and FNAL Accelerator Advisory Committees, the FNAL
Steering Group, the SLAC director and associate director search committees, the advisory board for
the SLAC/FNAL joint SciDAC project (COMPASS), and numerous conference scientific and
program committees.
Collaborations
The ILC Department has a long history of collaboration with KEK and, within the US, with ANL,
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