Advisory Panels

SSRL Scientific Advisory Committee (SAC)

The SSRL Scientific Advisory Committee (SAC) reports to and advises the SSRL Director on a variety of issues.

  • Operation of SSRL as a scientific user facility
  • Planning, construction and operation of new SSRL facilities
  • Long-term scientific directions of SSRL

SAC Website


SSRL Proposal Review Panel (PRP)

Access to SSRL beam lines is granted through proposals that are peer-reviewed and rated by the SSRL Proposal Review Panel (PRP). The PRP is organized into five subpanels:

  • BIO:  The biology panel reviews proposals for imaging, X-ray spectroscopic studies, small-angle x-ray scattering experiments, and crystallography of biologically important samples, including bioinorganic systems.
  • CHEMCAT: The chemistry and catalysis panel reviews proposals for all aspects of chemistry and catalysis. The catalytic science covers heterogeneous, homogeneous and electro-catalysis from model systems to fully formulated catalysts, while the chemical science covers all areas of fundamental and applied chemistry. The techniques include x-ray absorption, x-ray emission, and ambient pressure photoemission spectroscopies, small angle and wide-angle x-ray scattering, imaging, and transmission x-ray microscopy. Often these studies are conducted in-situ and operando.
  • MAT1:  The materials-1 panel reviews proposals for hard x-ray materials science, including soft materials, materials for energy generation and storage, structural studies, complex fluids, synthetic polymers, batteries, and organic electronics. Techniques include diffraction, scattering, small-angle x-ray scattering, microscopy or tomography, and any of the x-ray absorption or emission spectroscopies. Often these studies are conducted in-situ and operando.
  • MAT2:  The materials-2 panel reviews proposals for solid state physics and materials science, including electronic structure of solids, surfaces and interfaces, using UV and soft x-ray sources at SSRL. Examples include angle-resolved and core-level photoelectron spectroscopies, x-ray absorption and x-ray magnetic dichroism, in-situ x-ray absorption, x-ray emission and photoemission.
  • MEIS: The molecular environmental and interface science panel reviews proposals for imaging, spectroscopy, diffraction and scattering studies of natural samples and those that are designed to be environmentally and geologically relevant. Such samples are often characterized by their high degree of spatial, chemical and structural heterogeneity across a wide range of chemical concentrations. The MEIS panel considers materials of biogeochemical origin or transformation and investigations of microbiologic soil chemistry and geochemistry.

PRP Website

Access Policy


SSRL Users Executive Committee (SSRL UEC)

The SSRL Users' Organization (SSRLUO) is broadly concerned with representing the interests of the SSRL user community. Users elect members to serve a formal organizational unit, the SSRL Users Executive Committee (SSRL UEC) to carry out the business of the SSRLUO. The SSRL UEC organizes and hosts an annual users' meeting, jointly with the LCLS UEC, which provides opportunities to learn about the latest user research results, current/future capabilities and new science opportunities as well as to interact with other scientists.

SSRLUO Website


SLAC Scientific Policy Committee (SPC)

The Scientific Policy Committee (SPC) of the SLAC Board of Overseers reviews the progress and direction of research at SLAC and to ensure that SLAC's science policy is supportive of DOE mission needs, as well as Stanford University's educational and research goals, and is being executed in a manner that will advance the boundaries of scientific understanding. 

SLAC SPC Website

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