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Center for Injectors and Sources, Thomas Jefferson National Accelerator Facility

Our Mission

To develop and maintain high performance electron sources and injectors for particle accelerators. Our primary responsibility is the operation of a highly spin-polarized (>85%) electron photo-injector for the CEBAF accelerator. Additionally, our group is active in the R&D of very high voltage DC guns, high power RF synchronized lasers, extreme high vacuum, development of novel photocathode materials and precision electron beam polarimetry.

CIS members are (l to r) Matt Poelker (Group Leader), Joe Grames, Bubba Bullard, Marcy Stutzman, John Hansknecht, Shukui Zhang, Carlos Hernandez-Garcia, Phil Adderley, Riad Suleiman.

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What's new?!?
June 2016 - Click here for recent publication about Polarized Positrons and here CIS Conference and Workshop Proceedings for proceedings on CEBAF Four Hall Operations. Use this QR code in presentations to link to this wiki.

Contact Us

Historical Timeline

CIS Library

CEBAF Operations

LERF Operations

UITC Operations

Gun Test Stand at LERF

Technical Areas

Research & Design

CEBAF Injector Upgrade

Useful Links

Quick Links:

• CEBAF MeV Mott Polarimeter

• Parity Quality Beam

• Bubble Chamber

• Magnetized Electron Gun for MEIC Cooler

• Vortex Beams

• Polarized Positron Beams for JLEIC