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                             Recommendations                               
               of the Programme Advisory Committee for 
                         Particle Physics 

                                                7th meeting, 17-18 April 1997

     I. Preamble
     1. The PAC for Particle Physics takes note of the  information  presented 
at this meeting about the recommendations of the  81st  session  of  the  JINR 
Scientific Council  (January  1997)  and  the  regular  session  of  the  JINR 
Committee of Plenipotentiaries (March 1997). 
     The PAC congratulates the JINR Directorate on the occasion of  their  re- 
election for another five-year term of office, and wishes them success for the 
future work.
     2. The PAC acknowledges the efforts made by the  Directorate  to  develop 
the international cooperation. In particular, the PAC notes that the Agreement 
between JINR and BMBF (Germany) has been prolonged till 31 December 1999, that 
an Agreement between JINR and INFN (Italy) was concluded in December 1996  for 
2 years, and that the JINR-CERN Protocol on LHC was recently signed.
     3. The PAC is concerned that  the  high  intellectual  and  technological 
potential of JINR in the field of particle physics is not matched by  adequate 
financial resources in the real JINR budget. The PAC therefore urges the  JINR 
Member States to make available their nominal contributions in  due  time,  in 
order to allow for execution of the programme recommended by this Committee on 
the basis of its scientific merits. 

     II. Cooperation IHEP-JINR
     The PAC followed with interest the report on the scientific programme  of 
the Institute for High Energy Physics (IHEP,  Protvino)  and  its  cooperation 
with JINR, and acknowledges the  important  potential  of  this  Institute  in 
carrying out scientific research.
     The PAC appreciates the long-standing  cooperation  of  JINR  with  IHEP, 
which has contributed to a wide range of theoretical and experimental work  in 
high energy physics.

     III. Recommendations on the programme of particle physics research  until 
the year 2000.
     The PAC takes note of the reports presented by the Directors of LHE,  LPP 
and LNP and approves the main lines of the JINR programme in particle  physics 
research, proposed until the year 2000.
     The Committee notes, in particular, the  importance  of  the  accelerator 
facility at the Laboratory of High Energies  for  experiments  in  the  energy 
range from a few hundred MeV to a few GeV. The polarized deuteron and  neutron 
beams available at LHE are unique.

     IV. Recommendations for new experiments and projects
     1. The PAC recommends approval of participation in the  NOMAD  experiment 
in  1997,  and  in  R&D  for  a  new  instrumented  target.  For  an  extended 
participation beyond 1997, a separate proposal should  be  submitted  after  a 
possible continuation of the neutrino programme at CERN has been clarified. 
     2. The  PAC  recommends  the  participation  in  the  D0  experiment  for 
approval,  appreciating  that  JINR  can  make  a  significant   and   visible 
contribution on the basis of a technology in which the Institute has developed 
a recognized expertise. The PAC requests, however, that the proponents
     - clarify their plans for participation in the D0 physics analysis,
     - provide more details on the development, fabrication and performance of 
the integrated front-end electronics,
     - review the amount and the sharing of the resources  requested,  with  a 
view of reducing the JINR expenses for travel and subsistence at Fermilab.
     The PAC asks the proponents to report back on these three points  at  the 
next meeting.
     3. The PAC  recommends  the  participation  in  the  CDF  experiment  for 
approval.
     4. The  PAC  recommends  the  project  GAMMA-2  for  approval  in  second 
priority.
     5. The FIBR project has not been changed conceptually  in  comparison  to 
the original proposal, and the PAC is still not in a position to recommend  it 
for approval. The PAC encourages the authors to develop  a  data  storage  and 
retrieval project for a wide range  of  applications  in  future  experiments, 
possibly in collaboration with  similar  projects  at  other  institutes.  The 
present proposal could be integrated into such a project.
     6. The PAC recommends participation in the experiment  "Determination  of 
strange form factors from inelastic neutrino-proton scattering"  at  the  IHEP 
(Protvino) for approval in second priority.
     7. The PAC  recognizes  the  potential  scientific  benefit  of  the  MRS 
experiment to the JINR programmes  presented  in  the  Letter  of  Intent  and 
invites the authors to submit a full proposal.
     8. The PAC takes note of the project "Creation  of  interactive  computer 
systems for administrative activities".
     V. Recommendations for ongoing activities
     1. The  PAC  approves  the  report  presented  on  the  topic  ATLAS  and 
recommends extension of the project until the end of the construction  period. 
The PAC expects progress reports on this project in intervals of not more than 
two years.
     2. The PAC approves the report presented on the topic CMS and  recommends 
extension of the project until the end of the  construction  period.  The  PAC 
expects progress reports on this project in intervals of  not  more  than  two 
years.
     The PAC notes with satisfaction that the  participation  of  JINR  Member 
States in this project within the RDMS (Russia and Dubna Member States) effort 
has allowed them to gain leading  positions  in  the  CMS  activities  and  to 
contribute significantly to many detector subsystems.
     3. The PAC recommends that  the  JINR  Member  States  be  more  strongly 
involved through JINR in large-scale  international  projects.  As  shows  the 
experience of RDMS in the CMS  collaboration,  in  this  way  the  Institute's 
Member States can use their resources  more  efficiently  and  play  important 
roles in these projects.
     4. The PAC appreciates the successful activity of  LCTA  to  improve  the 
JINR network, information and  computing  infrastructure  (NICI).  The  Users' 
Consulting Committee,  established  according  to  the  PAC's  recommendation, 
regularly considered the issues related to the NICI development.
     The PAC is pleased to note that the  JINR  NICI  currently  represents  a 
powerful installation in terms of size, topology, equipment  variety,  network 
protocols,  operating  systems  and  software  support.  This  makes  NICI  an 
important basic facility of JINR.
     The PAC approves LCTA's  participation  in  the  national  programmes  of 
development of networking and information technologies.
     The PAC is disappointed by the insufficient and  undercritical  financial 
resources allocated to the CONET-96/98 project from the JINR budget. 
     It recommends that the JINR Directorate provide the required financing of 
these activities as a high-priority task to maintain the proper functioning of 
the Institute's NICI.
     5. The PAC takes note of  the  significant  amount  of  work,  which  has 
already  been  done  to  prepare  the  experiment  MARUSYA  at  the  Nuclotron 
extraction  channel,  and  recommends  that  the  JINR   Directorate   provide 
the required assistance to this activity within  the  corresponding  theme  of 
research.
     6. The PAC appreciates the progress of the project EXCHARM  at  the  U-70 
accelerator (Protvino) to study characteristics of charmed  particles  and  to 
search for exotic resonances  and supports plans to develop  and  upgrade  the 
EXCHARM magnetic spectrometer.

     VI. Scientific reports
     The PAC followed with interest the report presented  by  A.B.Arbuzov  and 
thanks the speaker.

     VII. Miscellaneous
     1. The PAC has received a letter by F.Lehar on the subject of a  possible 
ranking of proposals by the Committee. A discussion of this letter is deferred 
to a future meeting .
     2. The next meeting of the PAC is planned for 27-28  November  1997  with 
the following items to be included in the agenda:
     - reports and recommendations on experiments to be completed in 1997;
     - discussion of new projects proposed by the Laboratories for 1998;
     - priorities for experiments and projects for the years 1998-2000;
     - candidacy of the PAC Chairman.



                                         Prof. P.Spillantini
                                         Chairman of the PAC


©  Joint Institute for Nuclear Research. Dubna, 1997