Proposal Statistics

Most recent proposal call stats: The spring proposal call (2023-B) closed on Februray 22, 2023. In the 2023-B proposal call, HFIR received 279 beamtime requests; 94 were approved and 100 placed in Alternate status. Due to the planned Proton Power Upgrade (PPU) outage starting in August 2023, SNS instruments did not accept proposals in the 2023-B proposal call. 34% of proposals submitted to HFIR were approved.

Total General User proposals submitted and approved over the last 4 cycles are shown below.
 

Chart summarizing total SNS proposals submitted and accepted over four cycles in 2022 and 2023
Chart summarizing total HFIR proposals submitted and accepted over four cycles in 2022 and 2023