8th COLD meeting

Wednesday Jan 28, 2026, 2:00 PM → 3:22 PM Europe/Paris

CTRM meeting room

2:00 PM → 2:05 PM general project update

COLD Project Review in 21st April 2026 with external advisors.

Panel members (5-6):

RF, photoinjectors, pulsed power:
1) chair: Roberto Corsini (CERN) (CONTACTED, OK) Backup: Walter Wuensch (CERN)
2) Tetsuo Abe (KEK) (CONTACTED), Backup: Florian Burkart (DESY, ARES), Patrick Alexandre (SOLEIL)

CRYOGENICS:
3) Donato Passarelli (FNAL) (CONTACTED, OK*) Backup: A. Ghribi (IN2P3).

operation / diag / synchro / beam dynamics:
4) Sara Thorin (MAX-IV) (CONTACTED, OK) Backup: Gerardo D'Auria (ELETTRA)

Competitor 6GeV LINACS / LASER
5) Wim Leemans (DESY) (CONTACTED, OK) Backup: Winfried Decking (EuXFEL)

Agenda:

8.45 welcome coffee

9.00 (20+10) ESRF injectors upgrade overview (Qing Qin)

9.30 (30+15) 6GeV linac and COLD project driver: beam dynamics and planning (Liuzzo)

10.15 coffee break

10.45 (30+15) Acc. Struct + cryomodule for C^3 and COLD (Nanni, Aymar, SLAC)

11.30 (30+15) S-band brazing free high charge Photo electron gun and RF deflector (Alesini, INFN)

12.15 LUNCH (ESRF canteen private room)

13.45 (20+10) RF power and distribution (R.Zennaro, PSI, A.D'Elia, ESRF)

14.15 (20+10) installation, implementation and safety aspects (J-L Revol)

14.45 (20+10) Diagnostics and Laser (F.Ewald)

15.15 coffee break

15.30 (60) review writing

17.30 (15) final review return and closing remarks

19.00 DINNER

Speaker: Simone Liuzzo (ESRF)

2:05 PM → 2:10 PM WP status round table

WP 01 RF
WP 02 Diagnostics
WP 03 Vacuum
WP 04 Mechanical Engineering:
WP 05 Infrastructure
WP 06 Operation
WP 07 Control
WP 08 Alignment
WP 09 Safety
WP 10 Magnets
WP 11 Beam Dynamics
WP 12 Photons

2:10 PM → 2:15 PM Review CDR document

Conceptual Design Report:
https://www.overleaf.com/7899755955tmcgtsjgcdkt#10571a

OK means it is OK for the moment but you are fully free to modify correct, reference add figures, etc..

WP 01 RF OK
WP 02 Diagnostics OK
WP 03 Vacuum waveguides?
WP 04 Mechanical Engineering
WP 05 Infrastructure Please check text
WP 06 Operation Add reliability, maintainability, repeatability
WP 07 Control OK, interlocks to be added
WP 08 Alignment OK
WP 09 Safety some text, please complement
WP 10 Magnets OK
WP 11 Beam Dynamics missing several simulations

2:15 PM → 2:17 PM Planning and budget review

JIRA planning (OUTDATED)
https://jira.esrf.fr/secure/PortfolioPlanView.jspa?id=26&sid=26&vid=0#plan/backlog

New: Microsoft Project planning
more tasks
more budget
additional items (RF-deflector, Water cooling,...)

CAN IT BE IMPORTED TO JIRA?

Speaker: Simone Liuzzo (ESRF)

2:20 PM → 2:22 PM Human resources

2 COD position being opened
- LLRF
- RF

2:30 PM → 2:35 PM AOB

Collaborations

EIC-pathfinder-OPEN project

2:45 PM → 2:46 PM update confluence page

check Pending Actions list from previous meetings

https://confluence.esrf.fr/display/PROJCOLD/COLD%3A+Cool+copper+Operation+Linac+Demonstrator