Summary of Working Group 5: Beam Sources, Monitoring, and Control

This paper presents a brief summary of the contributions to Working Group 5 (WG5): Beam Sources, Monitoring, and Control. This working group was part of the 2018 Advanced Accelerator Concepts Workshop held at Breckenridge, Colorado, from August 12-17, 2018. There was wide-range of topics covered by this working group ranging from facility updates, new diagnostics and instrumentation schemes, new characterization methods and demonstrations (for both plasma and beam) as well as several advanced concepts that fall outside the scope of the other working groups.