1. WP13 outsourcing: Hollow Electron Lens
A. Rossi – presentation to the WP13 meeting on 27th May 2019

2. D. Perini, 8th HL-LHC Collaboration Meeting, CERN, 15-18 October 2018

3. Scandia-doped cathode
Electron beam generated by hollow cathode
Thermionic cathode electron emission T - activated
cathode
anode
control electrode
FNAL e-gun design with scaled electrode dimensions
Courtesy of G. Stancari
G. Gobbi, 8th HL-LHC Collaboration Meeting, CERN, October 2018

5. Gun: (1 prototype built/tested at CERN)
Gun: (1 prototype built/tested at CERN)
Production 4-6 months from beginning-mid 2021
Tests at BINP
Tests at CERN test stand if deemed necessary
BE-BI
BINP
Vacuum chambers and mechanical structure
Production 6-8 months
Vacuum tests at BINP
Blackening at CERN
TE-VSC
Collector: (1 prototype built/tested at CERN)
Production 6 months from mid-end 2021
Test at BINP
BE-BI BINP
Beam diagnostics
BLM
BPM (1 prototype built/tested at CERN)
BGC
1 prototype to be tested at CERN
1 interaction chamber at BINP or CERN for tests
BE-BI & ???
BE-BI + Russia
BE-BI + BINP
BE-BI + Uk
Modulator: since PC are at CERN I would make it here
Design can start in 2020, 1 – 2 y
Production
Tests at CERN test stand (with prototype gun and collector)
BE-ABT
Power Converters (for magnets and HV system) at CERN 2y from end of LS2
TE-EPC
Magnetic system (winding, cryostat and support/feet):
Production 1.5 – 2 y starting from end 2021 – beg. 2022
Tests at CERN (SM18 or BINP ?)
TE-MCS
Magnetic measurements at CERN
TE-MCS +
Quench protection / energy extraction
TE-MPE
Final assembly at CERN
CERN (TE-VSC, BE-BI, EN-SMM, ?) +
Interlock (HV system and interlock tested at E-Lens Test stand)
TE- EPC/MCS
Installation and commissioning in the tunnel
CERN:
EN-HE
BE-BI:EA,ML,BL,BP + FSU
EN-SMM
TE-CRG
TE-MCS ?
BINP CERN