The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

CAT Member and Staff Proposals

Proposals from members and staff of a Collaborative Access Team (CAT) or Collaborative Development Team (CDT) are very short, do not expire, and are reviewed through processes developed by the CAT. Details of the CAT program can be found in the APS Policy and Procedure for Collaborative Access/Development Team Beam Time.

Submit Proposal


Submission deadline:

Deadlines are at the discretion of the CAT.

Review and allocation:

Requests are reviewed and allocated as described in the CAT's management plan.


The lifetime is indefinite, unless CAT management specifies otherwise.


To comment on the contents, please contact or 630-252-9090.