CERN/LHCC 97-11 rev.

LHCC 26

25 February, 1997

LARGE HADRON COLLIDER COMMITTEE

Minutes of the twenty-sixth meeting held on Thursday and Friday,
23 and 24 January 1997

OPEN SESSION :

1. Status of the LHC project; C.Llewellyn Smith.

2. ATLAS status report; P.Jenni.

3. ATLAS calorimeter Technical Design Report:

Liquid argon calorimeter (LHCC 96-41); J.Colas, H.Oberlack

Tile calorimeter (LHCC 96-43); M.Nessi

Overall calorimeter performance (LHCC 96-40); F.Gianotti.

4. Status report on RD42; development of diamond tracking detectors (LHCC 97-3); P.Weilhammer.

5. ATLAS Computing Technical Proposal (LHCC 96-43); J.Knobloch.

6. CMS Computing Technical Proposal (LHCC 96-45); M.Pimiae, I.Gaines, V.Innocente.

CLOSED SESSION :

Present: J.Bernabeu, M.Calvetti*, C.Dionisi, J.Ellis, J.Engelen, L.Foa, B.Foster, U.Goerlach*, G.Goggi, A.Golutvin, D.Hartill, E.Iarocci (Chairman), H.Kolanoski, C.Llewellyn Smith*, J. May, M.Mazzucato, N.McCubbin, H.Montgomery, K.Potter, G.Rolandi, A.Schwarz, D.M.Sendall (Secretary), P.Sharp, E.Tsesmelis, M.Turala, H.Wenninger*, G.Wormser.

*) Part time

Apologies: L.R.Evans, K.Nishikawa, A.Read, A.Schopper, M.Spiro

(J.Schukraft was present for point 2. M.Kasemann, T.Naumann and S.Wolbers were present for points 5 and 6).

1. The Chairman welcomed members of the Committee attending for the first time. The minutes of the twenty-fifth LHCC meeting (LHCC 96-44 / LHCC 25) were approved without amendment.

2. REPORT ON ALICE MILESTONES

W.Klempt gave a report on ALICE planning, covering the production schedule, together with R&D issues, current status and project milestones for the different subsystems.

3. REPORT FROM THE ALICE REFEREES

The committee heard the final report from the ALICE referees, who had completed their review with the collaboration of P.Borgeaud and W.Haynes as consultants.

4. DISCUSSION OF ALICE

The committee discussed the status and plans of the ALICE collaboration in the light of the referees' report. As a result of these discussions, the committee agreed on recommendations to be sent to the Director General for consideration by the Research Board. A copy of these recommendations is attached to the minutes.

5. REPORT ON THE ATLAS AND CMS COMPUTING TECHNICAL PROPOSALS

M.Kasemann presented a preliminary report on the ATLAS and CMS computing Technical Proposals. Following further interaction between the referees and the collaborations, including a discussion of possible milestones, the referees plan to produce a report for the 13-14 March meeting of the LHCC.

6. REPORT FROM THE LHCC COMPUTING BOARD

M.Mazzucato reported on the work of the LCB. He outlined the review schedule for ongoing R&D projects, and summarised the formal procedures agreed by the LCB for identifying and reviewing common development projects. Two such projects are under discussion: a collaboration database and support for videoconferencing. The LCB had also reviewed the status of the LHC++ library and discussed the ATLAS and CMS software process.

RD24 has produced a final status report (LHCC 96-33). The LCB recognises that the goals of the generic R&D programme for the application of the SCI to LHC data acquisition have been achieved, and the project has come to an end. The LCB congratulates the RD24 collaboration on their success.

RD31 has produced a final status report (LHCC 97-5). The LCB congratulate the collaboration on their successful application of ATM technology to event building. The LCB recognises that the goals of the generic R&D programme have been achieved, and the project has come to an end. A formal but flexible framework for further co-operation between the interested collaborations is under investigation.

7. REPORT FROM THE ATLAS REFEREES

The committee heard a report from the ATLAS referees, concentrating on a preliminary reaction to the calorimeter Technical Design Reports. After further discussion with the collaboration, the referees plan to make a report at the 13-14 March meeting of the LHCC.

8. REPORT FROM THE CMS REFEREES

The committee heard a report from the CMS referees, including a review of status and plans for the hadronic calorimeter. This will be reviewed in more detail at the 13-14 March LHCC meeting.

9. REPORT ON ATLAS AND CMS MAGNETS

T.Taylor reviewed recent progress on the ATLAS and CMS magnets.

10. REPORT FROM THE LHC-B REFEREES

The committee heard a report from the LHC-B referees, including progress on the RICH R&D programme. Work is under way on plans for the trigger/DAQ R&D programme, which the collaboration plans to submit to the LHCC by 20 February.

11. TEST BEAMS

E.Tsesmelis presented the updated SPS machine schedule, and the SPS fixed target programme for 1997. Apart from the reduction for LHC-B, beam time had been allocated essentially as requested, with only minor problems still to be sorted out. A call for requests for the X5 irradiation facility has been sent out to the LHC experiments. The PS machine schedule and East Hall programme were also presented. E.Tsesmelis summarised the evolution in the overall share of fixed target running used by the LHC programme.

The Chairman thanked A.Schopper, the retiring SPS co-ordinator, for his valuable contribution to the work of the LHCC.

12. DATES FOR 1997 MEETINGS

13 - 14 March

5 - 6 June

10 - 11 July

4 - 5 September

5 - 6 November (nb. Wednesday and Thursday)

The LHCC received the following documents

o RD24 Collaboration: LCB Status Report / RD24 (LHCC 96-33)

o LERB: Second Workshop on Electronics for LHC Experiments; Balatonfuered, Hungary, 23-27 September 1996 (LHCC 96-39)

o ATLAS Collaboration: Calorimeter Performance Technical Design Report (LHCC 96-40/TDR 1)*

o ATLAS Collaboration: Liquid Argon Calorimeter Technical Design Report (LHCC 96-41/TDR 2)*

o ATLAS Collaboration: Tile Calorimeter Technical Design Report (LHCC 96-42/TDR 3)*

o ATLAS Collaboration: Computing Technical Proposal (LHCC 96-43)

o CMS Collaboration: Computing Technical Proposal (LHCC 96-45)

o CORE: Report of the Cost Review Group on the evaluation of ALICE (LHCC 96-47)*

o RD9 Collaboration: LEB Status Report / RD9 (LHCC 97-1)

o RADTOL R&D: proposal for studying radiation tolerant ICs for LHC (LHCC 97-2 P63/LEB)

o RD42 Collaboration; R&D Status Report / RD42 (LHCC 97-3)

o RD31 Collaboration: LCB Status Report / RD31 (LHCC 97-5)

* Restricted circulation only.

D. M. Sendall

E-mail: LHCC.Secretary@CERN.CH

Tel. 74968

LHCC Secretariat: Janet Grant (Bldg. 14/4-022) Tel. 73424

Janet.Grant@CERN.CH