TY - RPRT TI - Improving Vacuum Performance for Extended Photocathode Lifetime AU - Al-Allaq, Aiman [Old Dominion Univ., Norfolk, VA (United States)] AU - Abdullah, Md [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)] AU - Poelker, Matt [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)] AU - Elmustafa, Abdelmageed [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)] PY - 2025 DO - 10.2172/3393840 UR - https://www.osti.gov/biblio/3393840 ID - 3393840 ER -