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Lab Overview and Lab Overview and Future Onsite Future Onsite

FacilitiesFacilities

Persis S. DrellPersis S. Drell

DirectorDirector

SLACSLAC

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SLAC: The Lab is ChangingSLAC: The Lab is Changing SLAC’s research vision is evolving dramatically. SLAC’s research vision is evolving dramatically.

– The balance and content of the scientific foci is changing The balance and content of the scientific foci is changing in substantial ways in substantial ways

Photon science is rapidly expanding Photon science is rapidly expanding – After the B-factory turns off later this year, the major on-After the B-factory turns off later this year, the major on-

site accelerator-based facilities will be primarily serving site accelerator-based facilities will be primarily serving photon sciencephoton science

– A growing accelerator R&D effort will fuel future upgrades A growing accelerator R&D effort will fuel future upgrades & new facilities& new facilities

Particle Physics and Astrophysics Particle Physics and Astrophysics – Will be based on program of accelerator-based, non-Will be based on program of accelerator-based, non-

accelerator and particle astrophysics experimentsaccelerator and particle astrophysics experiments No longer be centered on an in-house HEP accelerator facility, No longer be centered on an in-house HEP accelerator facility,

requiring re-invention of our national laboratory rolerequiring re-invention of our national laboratory role– Mid-term and long-term accelerator research will also be a Mid-term and long-term accelerator research will also be a

continuing emphasis and strength of the programcontinuing emphasis and strength of the program A continued vigorous program of accelerator research A continued vigorous program of accelerator research

is an extremely high priority for the laboratoryis an extremely high priority for the laboratory– Essential investment for future of HEP and BES programs

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Accelerator research Accelerator research directionsdirections

Mid-term: broad strategy for achieving the goal of Mid-term: broad strategy for achieving the goal of a TeV electron-positron collidera TeV electron-positron collider– Leader on the development of the RDR for the ILC and Leader on the development of the RDR for the ILC and

continuing leadership in many of the technical systems, continuing leadership in many of the technical systems, – Expanding a program of high-gradient research to Expanding a program of high-gradient research to

include new x-band power sources as part of a include new x-band power sources as part of a collaboration with the CLIC program at CERNcollaboration with the CLIC program at CERN

Long-term: Fundamental research in entirely new Long-term: Fundamental research in entirely new directions for acceleration techniquesdirections for acceleration techniques– Develop a basic understanding of ultra-high gradient Develop a basic understanding of ultra-high gradient

acceleration techniques, including plasma-wakefield, acceleration techniques, including plasma-wakefield, dielectric wakefield, and lasersdielectric wakefield, and lasers

– Aimed at development of transformational technologies Aimed at development of transformational technologies as the basis for reaching the very high energies as the basis for reaching the very high energies demanded by particle physicsdemanded by particle physics

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Accelerator research Accelerator research directionsdirections

Upgrades and new directions for the x-ray FEL programUpgrades and new directions for the x-ray FEL program– Facilities for exploring enhanced self-amplified spontaneous Facilities for exploring enhanced self-amplified spontaneous

emissionemission– Electron source R&D for next generation light sourcesElectron source R&D for next generation light sources– Studies of collective effects, including space charge and Studies of collective effects, including space charge and

coherent synchrotron radiation modelingcoherent synchrotron radiation modeling– Exploration of rf cavities as beam modulatorsExploration of rf cavities as beam modulators– Exploratory studies of ultrashort “single-spike” operation of FELsExploratory studies of ultrashort “single-spike” operation of FELs

Opportunities for ultra-high intensity synchrotron Opportunities for ultra-high intensity synchrotron sourcessources

World-class facilities are the basis for these R&D World-class facilities are the basis for these R&D directionsdirections– FACET will be unique in providing high-power beams to enable FACET will be unique in providing high-power beams to enable

far-field development of new ultra-high gradient techniquesfar-field development of new ultra-high gradient techniques

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Turn-on in 2009: LCLS will be the World’s First X-ray LaserLCLS: Linac Coherent Light LCLS: Linac Coherent Light SourceSource

FACET

SLAC ACCELERATOR FACILITIES

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FACET ProjectFACET Project

Hadron Production Facility

FACET project consists of four elements:• Accelerator Science Facility (ASF) (Sector 20)• e+ bunch compressor (Sector 10)• Electron Bypass Line (EBL) extension to ESA• Hadron Production Facility in A-Line to ESA

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Accelerator Complex is Accelerator Complex is EvolvingEvolving

LCLS ProgramLCLS Program– Currently in constructionCurrently in construction

– Capability for early science in late FY09Capability for early science in late FY09

– Completion of project construction in FY10Completion of project construction in FY10

– Operations of 1/3 of linac (120 Hz operations) plus LCLS Operations of 1/3 of linac (120 Hz operations) plus LCLS injector, undulator and controls systems; 4 experimentsinjector, undulator and controls systems; 4 experiments

SSRL ProgramSSRL Program– SPEAR3 operations and scientific programs SPEAR3 operations and scientific programs

PPA ProgramPPA Program– Particle and particle astrophysics scientific programs off Particle and particle astrophysics scientific programs off

sitesite

– Accelerator Research on siteAccelerator Research on site Operations of FACET and NLCTA facilitiesOperations of FACET and NLCTA facilities

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Business ModelBusiness Model BES Primary StewardshipBES Primary Stewardship

– BES Supports Linac Ops (1/3 of Linac)BES Supports Linac Ops (1/3 of Linac)– BES Supports Linac Maintenance (full Linac)BES Supports Linac Maintenance (full Linac)– BES covers org costs and direct program support costs BES covers org costs and direct program support costs

for Linac related accelerator operations: includes all for Linac related accelerator operations: includes all major technical infrastructure at the laboratory essential major technical infrastructure at the laboratory essential to accelerator operationsto accelerator operations

Klystron, CPE, CEF, Scientific Computing InfrastructureKlystron, CPE, CEF, Scientific Computing Infrastructure– HEP accelerator based programs (FACET, NLCTA, ILC) HEP accelerator based programs (FACET, NLCTA, ILC)

leverage off BES baseleverage off BES base Significant uncertainty in HEP use of core technical infrastructure Significant uncertainty in HEP use of core technical infrastructure

(i.e. ILC)(i.e. ILC) Success of LCLS cannot depend on future of HEP funding to these Success of LCLS cannot depend on future of HEP funding to these

departmentsdepartments HEP and BES share site-wide indirect costsHEP and BES share site-wide indirect costs This model ensures that operations support for LCLS will not This model ensures that operations support for LCLS will not

be dependent on future HEP programs (e.g. ILC)be dependent on future HEP programs (e.g. ILC)

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Operations Post 2009Operations Post 2009 SLAC has defined its operating scenario for SLAC has defined its operating scenario for

FY09 and beyondFY09 and beyond– Detailed review by BES has endorsed the Detailed review by BES has endorsed the

proposed model and funding levelproposed model and funding level Budgeting and accounting structures in Budgeting and accounting structures in

place to manage the transition place to manage the transition The business model and funding level The business model and funding level

provides an opportunity:provides an opportunity:– A forefront accelerator R&D program can A forefront accelerator R&D program can

leverage off the BES investment leverage off the BES investment – Allows experimental program (HEP & BES) that Allows experimental program (HEP & BES) that

utilizes unique beamsutilizes unique beams

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Future Development of the Future Development of the Accelerator ComplexAccelerator Complex

Active discussion of strategic future of major Active discussion of strategic future of major elements of SLAC accelerator complexelements of SLAC accelerator complex– Focused on light sourcesFocused on light sources

Upgrades to LCLS 1Upgrades to LCLS 1– LCLS 1.5LCLS 1.5

22ndnd undulator: soft x-ray undulator: soft x-ray Hope for 2011 or 2012 startHope for 2011 or 2012 start

– LCLS 2LCLS 2 Higher energyHigher energy Would use at least 2/3 of linacWould use at least 2/3 of linac

– Interferes with FACETInterferes with FACET Timescale ‘not before 2015’Timescale ‘not before 2015’

– Time early probably 2017-2018 Time early probably 2017-2018 – Requires gun development to become a realityRequires gun development to become a reality

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Future Development of the Future Development of the Accelerator ComplexAccelerator Complex

PEP 2.5PEP 2.5– Add beamlines to existing ringAdd beamlines to existing ring– Unique SR source leveraging of HEP Unique SR source leveraging of HEP

investment in PEP-II investment in PEP-II – Very early stages of discussionVery early stages of discussion– Timeline????Timeline????

As BES ramps up investments in As BES ramps up investments in accelerator R&D, SLAC will strive to accelerator R&D, SLAC will strive to broaden accelerator research programbroaden accelerator research program– Now delayed until 2009Now delayed until 2009

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SummarySummary

SLAC in time of transitionSLAC in time of transition– Dramatic changes from past Dramatic changes from past – Exciting opportunities for the future Exciting opportunities for the future

SLAC has defined its operating scenario for SLAC has defined its operating scenario for FY09 and beyondFY09 and beyond– Detailed review by BES has endorsed the Detailed review by BES has endorsed the

proposed model and funding levelproposed model and funding level FACET an important element of continued FACET an important element of continued

rich and diverse accelerator research rich and diverse accelerator research program at the labprogram at the lab– Unique facility for accelerator research Unique facility for accelerator research