Agenda - meeting of the GERDA Collaboration Board November 9,2005 1. Approval of Agenda 2. Approval of minutes of previous Collab Board meeting 3. Update on schedule a. news from LNGS Scientific committee meeting: positive response from referees and committee. Main issue addressed is the impact on the GERDA schedule due to the third wall issue and the splitting of the water tank and superstructure tender. Separate meeting with Coccia - 1) water is acceptable as a shielding medium around the LN or LAr tank, 2) Cu is accepted for the cryostat, 3) with 3rd wall, the GERDA safety concept is acceptable, 4) LNGS will provide the evacuation plan, 5) LNGS will perform simulations of evaporation rates. Discussed time scale for funding of superstructure - new money available 5/06. Suggested meeting with INFN president (Petronzio) at time of signing MoU to discuss possibilities for acceleration.

b. news from subgroups which could affect the schedule.

-TG1 Concern was expressed by Russian groups about preparations for the opening of the detectors. A list of points which should be resolved before detectors are opened will be prepared.

-TG2 major concern at this point is the crystal growing. -TG4 schedule relies on decision on third wall. Need to decide on acceptable solution. Collaboration discussion - Lexan no longer an option. Need to determine if have a solution with Copper. This should happen by the end of January. Personal comment: ice shielding looks interesting, but would likely need more time to evaluate.

c. new schedule New schedule must be developed as soon as 3rd wall option is clear and we have a design. Having a schedule is extremely important, but it has to be believable ! Stefan & program management team made significant progress on a detailed schedule - iterate putting what we learned about interdependencies, commissioning times, etc.

P.1

4. Status IGEX detectors Reported by Stefan - transport from CANFRANC to LNGS next week.

5. Update on finances Overall, we have a shortfall of resources, but this does not impact the current work. We have the flexibility to cover the 3rd wall with available resources (if reasonable cost), but will create a larger long-tern deficit. Looking into options.

INTAS pre-proposal approved. Jan deadline for full proposal (30% of proposal are approved).

Bilateral agreements Russia-Germany may give possibility for Russian groups to apply for funds. Will be discussed.

6. MoU - status The MoU has been signed by MPI-WHI, MPI K, Tübingen and is now in Italy. Signing procedure in Italy is complicated (several bodies need to agree). HADES group to be added in addendum, but they still need to review in detail.

7. Open Collaboration positions a. RAE b. GLIMOS Names for RAE and GLIMOS were discussed, but no final agreement yet.

c. Project Engineer Have a young engineer which will work on the project starting in December. Still looking for more experienced person.

8. Proposed rules for authorship, result presentation, editorial board A set of rules have been distributed and discussed. Accepted with a few changes. The EB (I. Abt, A. Bettini, J. Jochum, B. Schwingenheuer + S. Schoenert, C. Cattadori ex-officio) should elect a chairperson. Upcoming GERDA publications have been mentioned.

9. Task Group 9 - redefinition of task ?

Description of task group did not match reality: Old: Software (offline/database/code management) New: DAQ including online software. The group is responsible for the design & coordination of all DAQ activities. Coordinator remains B. Schingenheuer.

Note: new task group will have to be formed to cover the offline software aspects. Future meeting.

10. Dates & Locations for upcoming meetings.

a. 20-22/2/06 Heidelberg b. 26-28/6/06 LNGS c. week of 13/11/06 Milano d. other workshops/conferences Neutrino 06 13-19/6/06 No attempt made to generate full list. Speakers bureau should look into upcoming conference & workshops and determine where GERDA should be represented.

11. AOB Each institute should provide request for office space at LNGS to M. Junker. Request should specify when & how many people New members of CB: E. Belotti, Milano (C. Cattadori is ex-officio) M. Hult HADES