Particle Astrophysics at Fermilab Particle Astrophysics at Fermilab

Craig Hogan, Director, FCPADan Bauer, Deputy Director, FCPA

Presented to the FNAL PACNovember, 2009

Overview and Strategic Planfor the

Fermilab Center for Particle Astrophysics

DOE/OHEP MissionDOE/OHEP Mission

The mission of the High Energy Physics program is to understand how our universe works at its most fundamental level. We do this by discovering the most elementary constituents of matter and energy, exploring the basic nature of space and time itself, and probing the interactions between them.

---Mission Statement, DOE Office of High Energy Physics

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Frontiers of Fundamental Physics (from Frontiers of Fundamental Physics (from P5)P5)

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Inflation/ early universeImprint of new primordial quantum fields on large

scale matter and radiation today Dark Energy

Apparent acceleration of cosmic expansion Dark Matter

What is most of the mass in the universe? High energy particles

Cosmic acceleration, propagation, interaction Unification

Where space-time, mass-energy meet

New Physics at the Cosmic FrontierNew Physics at the Cosmic Frontier

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Inflation/ early universe/Dark EnergyCosmic surveys - Sloan Digital Sky Survey (SDSS),

Dark Energy Survey (DES)

Dark MatterDirect Detection – Cryogenic Dark Matter Search

(CDMS), Chicgoland Observatory for Underground Particle Physics (COUPP)

High energy particlesUltra High Energy Cosmic Rays - Pierre Auger

UnificationAxion searches - GammeV

Fermilab experiments already span the cosmic Fermilab experiments already span the cosmic frontier frontier

Current and Planned Projects and Current and Planned Projects and ActivitiesActivities

Current core projects (bulk of activity and funding) Dark Energy Survey (DES) Cryogenic Dark Matter Search (CDMS) Chicagoland Observatory for Underground Particle Physics

(COUPP) Pierre Auger Observatory (South) Theoretical Astrophysics Group

New initiatives with mature designs, collaborations, and plans Dark Matter: Liquid argon High energy particles: Pierre Auger North Cosmic Background: QUIET II Unification: Axion, chameleons, holographic interferometer Theory: Cosmological computing

Future Initiatives Dark Matter:, solid xenon, CCD,… Dark Energy: JDEM, LSST, BigBOSS, 21cm,….

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Lab-Wide Cosmic Frontier Effort by Research AreaLab-Wide Cosmic Frontier Effort by Research Area

Total FNAL [DOE] particle astrophysics budget ~ $26M [$100M]

Lab-Wide Cosmic Frontier Effort by ProjectLab-Wide Cosmic Frontier Effort by Project

FNAL role in the larger particle astrophysics FNAL role in the larger particle astrophysics communitycommunity

Fermilab enables large projects with substantial university participation Examples include SDSS, DES, CDMS, COUPP, Auger,

… Lab engineering and technical base vital Project management and interface to DOE

Fermilab facilitates R&D Facilities and technical personnel allow for generic

detector R&D (e.g. bubble chambers, liquid argon, solid Xenon, CCDs,…)

Lab scientist and engineering base allow internal review process as projects materialize from detector R&D

New ideas can be generated either within FNAL or from users (mainly from the university community)

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Evolving ProgramEvolving Program

On-going programs in Dark Energy (DES), Dark Matter (CDMS, COUPP), High Energy Particles (PAO South) and Theory will continue to cover the FrontierWill remain the core Particle Astrophysics

program Other initiatives ready to start: depend on proposal,

review to get non-scientist funding Dark Matter (next generation CDMS,COUPP, LAr) Planck scale unification (Holometer) CMB (QUIET-II)

FCPA also explores new ideas Need to shape new activities beyond ~2015 as DES ends Most will not ever become fully realized Often driven by younger people (Wilson Fellows, postdocs)

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PASAG recommendationsPASAG recommendations

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New projects outside scope of PASAG reviewNew projects outside scope of PASAG review

Holometer, GammeV, CHASE, GRIM REPR:– “nonaccelerator beams”: laser cavities as new

tools for fundamental physics– New fundamental physics up to Planck scale– Where “Cosmic Frontier” intersects with others

Proposals to be submitted– Starts with modest scale experiments– Holometer is next step– PAC will hear more about new axion searches at

the next meeting (CHASE, GRIM REPR)

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Plan for New ProjectsPlan for New Projects

Expand Dark Matter experiments now Depends on funding of expansion proposals Major thrust now recommended by PASAG

Add new program in holography, axion physics now Reviews and proposals this fall/winter

Add CMB now Final outcome depends on NSF QUIET-II proposal

Develop other options for future PASAG noncommital on Dark Energy projects JDEM still an option, but scope of SOC is in doubt 21 cm? LSST? BigBOSS? DUSEL DM? PAO North? Solid Xe? CCD DM?

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Very SchematicVery Schematic 10 year funding Profile 10 year funding Profile

Actual program will be shaped by discoveries, proposal outcomes, etc.

A broad, substantive, evolving program fits into realistic resources

Strategic Planning, Development Strategic Planning, Development ProcessProcess

FCPA planning retreats Strategic plan document, revisited every year Overall criteria (PASAG)

Physics: matter, energy, space and time Key particle community/ lab role

Process for new initiatives Alignment with long term lab, DOE program needs Early development through KA15 internal review PAC, Directorate approval Field Work Proposal Upon approval, graduate to KA13

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Strategic Planning ProcessStrategic Planning Process

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Project LifecycleProject Lifecycle

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Planning and budgeting processPlanning and budgeting process

FCPA coordinates KA13, astro parts of KA14,15 Align with agency; frequent phone meetings Align with Directorate Division budget/effort reconciliation: challenges in

allocating Division resources

KA 13 01 02 = Scientists KA 13 01 03 = Projects KA 14 01 02 = Theory (including astro theory) KA 15 03 02 = Generic Detector R&D

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Budget ProcessBudget Process

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FY2010 Budget: Problems with DOE FIN planFY2010 Budget: Problems with DOE FIN plan

Main issue in current budget: ~$1.1M shortfall in particle astro scientist (“base”) funding Needs fixing before we can move forward on

anything If it is not fixed, need to shrink scientist participation Forfeit our leading position to respond to PASAG Even established core programs are at risk True shortfall is bigger by 365K, covered by

carryover How do we make sure the scientists are covered?

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SummarySummary

FCPA program is at the forefront of particle astrophysics

Leading efforts in Dark Energy, Dark Matter, Cosmic Rays and Astrophysics Theory

New initiatives in Dark Matter, Cosmic Rays and Unification presented to the PAC at this meeting Holometer – Fundamental structure of spacetime QUIET II – CMB polarization window to the early universe COUPP 60 kg – Spin-dependent direct detection of dark

matter Pierre Auger North – Origin and composition of cosmic

rays Darkside – Depleted Liquid Argon search for dark matter

Internal reviews have been held for the first three of these (available to the PAC on the web site)

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