For the Version 3 instrument: Give the status on the LHC tunnel installation, instrument design and procurement
Define the Version 3 Phase 1 remaining LHC tunnel installations for 2021
Version 3 Phase 2 manufacturing, quality control and assembly status update
Cockcroft Institute (CI): commissioning and performance evaluation plan for Version 3 Ph. 2
For the HEL test stand with the BGC V3 design: Define the objectives of the tests (including gases and background light from the cathodes), that can be the expected performance, define work share and planning
For the V4 instrument with performance defined from the acceptance criteria (EDMS: 2369616): give updates on design issues including gas jet generation and vacuum constraints in the HEL context
Summary of experimental measurements performed and results from CI since March 2020
CoVid 19 impact on BGC progress
Review status of the collaboration, publications, manpower and budget planning
2020 experimental results from Cockcroft (30min + 10min)40m
a. 2020 Experimental results from Cockcroft (Hao, Amir, Narender 30min + 10min)
i. Measurements performed in 2020 and program for 2021 on V2
1. Nozzle design
2. Alternative skimmer diameters and shape
3. Gas distribution simulations
4. Phosphor screen measurements
ii. Design and procurement of BGC V3 parts by Cockcroft Institute (Hao)
1. Design
2. Procurement
3. Manufacturing
4. Controls system design
5. Assembly/testing
iii. Commissioning plan for V3 at CI (Hao)
1. Performance evaluation of V3 instrument (Where, who, how)
2. Gas density in the IP
3. Plan for testing Neon and Nitrogen (and Ar?)
Speakers:
Amir Salehilashkajani(Liverpool University), DrHao Zhang(University of Liverpool/Cockcroft Institute), Narender Kumar(University of Liverpool)
i. Design and schedule for the HEL test stand (abstract)
ii. Update on HEL and electron beam diameter
iii. Update on e-lens parameters and interface
iv. HEL test stand parameters
v. Expected background light with foreseen blackening and light reducing orifices
vi. BGC design in HEL test stand
vii. BGC V3 operation: Foreseen time window, infrastructure space for racks and controls, pumps, power
i. Pumping options for new mechanical design.
ii. Vacuum pumps and gauges. Requirements, proposals, control system, cabling, responsibility / cost
iii. Move of BGI system and connection of valves gas lines
iv. Tests to be performed to validate gasses for LHC use (Ne, Ar, N)