Zeus goal of the experiment



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ZEUS


  1. Goal of the experiment

1992-2001: Study of ep collisions at = 300 GeV and 318 GeV.

2001: Machine luminosity upgrade, expect gain of factor 4 to 5 in the luminosity integrated per year.

2002-2006: Continue experimentation – lepton beam polarization, electro-weak physic opens.





  1. Physics achievements during year 2001

Finalization of analyses and new results (hard-diffraction , QCD studies, heavy flavor physics, exotic and rare phenomena), leading to the presentation of 40 papers to the International Europhysics Conference on High Energy Physics, July 12-18, 2001, Budapest, Hungary.

During 2001 all the data collected in the years 1996-2000 have been reprocessed using the same methods and the final calibrations.

More than 150x106 Monte Carlo events were produced for the analyses and about 30% of them has been produced by the Italian group clusters.

During 2001 much hardware work has been done and we mention here the finalization and installation of the new ZEUS silicon vertex detector (known as MVD, Micro Vertex Detector), about which Italy has a leading role.


  1. INFN Contribution to the experiment in term of manpower and financial support.

INFN physicists (including students) are about the 15% of the total ZEUS physicists.

Funding foreseen in the 2002 Budget: 695 kEuro


  1. Number of publications in refereed journals

During 2001, 9 papers have been published and one is accepted for publication.




  1. Number of talks in conferences (from INFN)

12 (about 15% of the ZEUS talks)




  1. Number of undergraduate and doctoral thesis on the experiment (from INFN).

2 undergraduate theses completed. 6 undergraduate theses ongoing. 4 PhD theses ongoing.




  1. Leadership role in the experiment .

Until September 2001:



  • Monte Carlo coordinator (M. Corradi, Bologna)

  • Trigger coordinator (D. Boscherini, Bologna)

  • Coordinator of the Diffractive Physics Group (M. Arneodo, Torino)

  • Coordinator of the Exotic Physics and Rare Phenomena Group (R. Sacchi, Torino)

Since September 2001:



  • Run Coordinator (A. Bruni, Bologna)

  • Run Coordinator (G. Barbagli, Firenze)

  • Coordinator of the Diffractive Physics Group (G. Iacobucci, Bologna)

  • Coordinator of the Exotic Physics and Rare Phenomena Group (E. Gallo, Firenze)

  • Coordinator of the Exotic Physics and Rare Phenomena Group (L. Bellagamba, Bologna)

  • Coordinator of the LPS analyses in the Diffractive Group (M. Arneodo, Torino)

For the whole 2001:



  • Coordinator of the front-end electronics of the silicon vertex detector (R. Carlin, Padova)

  • ZPG members (G. Iacobucci, Bologna; S. Limentani, Padova; R. Nania, Bologna)


  1. Competing experiments.

At HERA: H1.

For aspects of QCD and searches beyond the SM: CDF, D0 and the LEP experiments.


  1. International Committees which have reviewed the experiment.

PRC



  1. List of milestones for INFN activities in 2002.




  1. Integrate at least the 80% of the luminosity gated by ZEUS with the Muon Detectors.

  2. Start studies on secondary vertices using the new silicon vertex detector (MVD)

  3. Produce at least 20x106 Monte Carlo events with the Italian clusters

  4. Complete at least 2 PhD theses (on beauty photoproduction and on diffraction physics)

  5. Coordinate at least one physic group

  6. Present results at least in 4 international conferences

  7. Carry on at least two common tasks for the collaboration


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