10–15 Aug 2025
SAFE Credit Union Convention Center
America/Los_Angeles timezone

Dramatically Reduced Beam Losses at BNL 200 MeV Linac

TUBD02
12 Aug 2025, 11:50
20m
SAFE Credit Union Convention Center

SAFE Credit Union Convention Center

1401 K St, Sacramento, CA 95814
Contributed Oral Presentation MC4 – Hadron Accelerators TUBD: Hadron Accelerators (Contributed)

Speaker

Deepak Raparia (Brookhaven National Laboratory)

Description

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 low-energy and medium-energy beam transport systems have been key contributors to this progress. Key improvement include:
A 50% increase in transmission for high-peak-current isotope production, a 50% reduction in transverse emittance and A dramatic three-order-of-magnitude reduction in beam loss.
These upgrades and has significantly enhanced the overall performance and efficiency of the BNL 200 MeV linac.

Funding Agency

Work supported by Brookhaven Science Associates, LLC under Contract No. DE-SC0012704 with the U.S. Department of Energy

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Author

Deepak Raparia (Brookhaven National Laboratory)

Presentation materials

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