Neutron Sciences Directorate

Most recent proposal call submission/award stats: the fall proposal call (2025-B) closed on February 26, 2025. In the 2025-B proposal call, SNS received 513 beamtime requests; 221 were approved and 115 placed in Alternate status. HFIR received 222 beamtime requests; 99 were approved and 67 placed in Alternate status. Award decisions were announced April 25, 2025.

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

ProposalAcceptanceRatesForNeutronsWebsite_SNS23Ato25B.JPG

ProposalAcceptanceRatesForNeutronsWebsite_HFIR24Ato25B.JPG