SSRL Deadlines

SSRL encourages scientists from diverse fields to propose experiments utilizing our unique capabilities. Access to SSRL is open to the international scientific community. There is generally no cost to submit proposals or conduct experiments at SSRL. Users are responsible for their own travel expenses, and a user agreement is required. Contact SSRL scientists to discuss proposed experiments using the capabilities on SSRL beam lines.
Bookmark this page and set a reminder for these annual deadlines in your calendar.

STEP 1:  Register as a user in user portal to submit New Proposals or Extension Requests

Review Proposal & Scheduling Guidelines or Proposal Submittal and Scheduling Procedures for Macromolecular Crystallography

Deadlines are also included in user portal and in the SSRL Newsletter

Standard X-ray/VUV proposals or extension requests  Due Dates
Beam time eligibility beginning in October/November May 1
Beam time eligibility beginning in February August 1
Beam time eligibility beginning in May November 1
Standard Macromolecular Crystallography proposals or extension requests Due Dates
Beam time eligibility beginning November July 1
Beam time eligibility beginning March December 1
Beam time eligibility beginning June April 1
Other Proposal Types Due Dates
Letter of Intent Any Time
Block Allocation Group (BAG) for macromolecular crystallography December 1, 2023
April 1, 2024
July 1, 2024
Rapid Access (XAS, Imaging, XRD) Any Time
Rapid Access (Macromolecular Crystallography) Any Time
Rapid Access (Bio SAXS BL4-2)  Any Time
RAPID ACCESS TO SSRL RESOURCES FOR COVID-19 RESEARCH Any Time

STEP 2:  Users with Active Proposals need to submit Beam Time Requests each run cycle
               See How to Request Beam Time

Log in to user portal to submit requests, view and accept beam time allocations

Request X-ray / VUV Beam Lines Due Dates
November - January scheduling August 1
February - April scheduling November 1
May - August scheduling March 1
Request Macromolecular Crystallography Beam Lines Due Dates
November - February scheduling September 7
March - May scheduling January 19
June - August scheduling April 18
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