Introduction

• James Storey (CERN)

- Summary of the recommendations of the HL-LHC Beam Size Review in 2019 - Specification for transverse beam profile measurement - BGV & BGI concepts - Lessons learnt from the BGV-Demonstrator & the MCP-based BGI in the LHC

BGV design optimisation & performance study

• Bernadette Kolbinger (CERN)

- Simulation & reconstruction of inelastic beam gas interactions - BGV performance: key parameters & metrics - Requirements for tracking detector

BGV gas target & integration aspects

• Helene Guerin

Gas target design, including issues of: - Location - beam optics & aperture - Vacuum pressure profile - Impedance - Radiation to neighbouring active & passive equipment - Vacuum window

BGV tracking detector & integration

• Richard Plackett (University of Oxford (GB))

BGV DAQ & offline analysis & expected performance

• Hampus Sandberg (CERN)
• Bernadette Kolbinger (CERN)

- DAQ architecture - Event processing farm - From measurement to true beam profile - Vertex resolution determination - Alignment - Pattern recognition - Expected performance - bunch width precision - Expected performance - profile measurement

BGV planning, budget & risks

• James Storey (CERN)