Design of the Second Target Station (STS) for Oak Ridge National Laboratory’s (ORNL) world-class Spallation Neutron Source (SNS) Facility is underway. The STS will provide an optimized high-brightness cold neutron source for up to 18 new beamlines, both expanding and complimenting the current neutron science capabilities at ORNL. The Ring to Second Target beam Transport (RTST) will deliver a...
The Brookhaven National Laboratory (BNL) 200 MeV drift tube linac (DTL) delivers H- beam at 6.67 Hz and 200 MeV to both the polarized proton program at the Relativistic Heavy Ion Collider (RHIC) and the Brookhaven Linac Isotope Production (BLIP) facility. Through a series of upgrades, particularly in the last two decades, the linac's performance has significantly improved. Reconfigurations of...
The LANSCE proton storage ring (PSR) accumulates 795 MeV protons into a short, 290 ns pulse over 625 μs, or about 1745 turns. One of the primary limitations for maximum proton pulse intensity is beam loss between the H$^-$ stripper foil and the first dipole magnet downstream of the foil. One of the major beam losses in this region, referred to as “first-turn losses,” are due to incomplete...
