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About

A. Hershcovitch is a leading innovator in plasma and vacuum technology for particle accelerators, with a focus on solving critical performance issues at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory. His primary research areas include in-situ plasma coating, electron cloud mitigation, and resistive heating reduction in accelerator vacuum systems. Hershcovitch’s major contributions center on the development of robotic plasma magnetron devices—often called "moles"—capable of depositing thick, high-quality coatings inside long, small-diameter vacuum tubes without disassembly. This work directly addresses two key challenges: electron clouds that degrade beam quality, and ohmic heating in stainless steel chambers that limits machine upgrades. His most cited papers (each with 3–4 citations) detail the design and operation of these devices, including the use of oxygen-free high-conductivity copper (OFHC) coatings to suppress secondary electron yield and reduce resistive losses. Notably, his 2015 paper introduces a 50 cm long cathode magnetron mole, while his 2010 work describes a versatile device for both discharge cleaning and multiple coatings. These achievements represent a practical, scalable solution for extending the performance and lifespan of high-energy accelerators.