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02-0-1025-98/2008
Priority:1
Status: In-progress

Study of the Hadron Structure in the Experiments with the COMPASS (NA58) and HERMES (DESY) Spectrometers

Leader:   A.P. Nagajtsev
Scientific leader:    I.A. Savin

Scientific Programme:
      - Study of inclusive and semi-inclusive processes in deep inelastic scattering of muons and electrons on polarized and unpolarized targets.

      - Search for effects of nucleon strange sea and gluon polarization in the production of hyperons and charm mesons.

      -Determination of the quark spin, gluon and quark orbital momenta contributions to the nucleon spin.

      - Sum rule tests for spin-dependent structure functions of the proton and neutron, QCD tests.

      - Spectroscopy of charmed hadrons. Primakoff and diffraction processes.

      - Measurement new structure functions and DVCS.

      - Construction of a hadron calorimeter, a muon system and straw tracking chambers for the COMPASS spectrometer.

      - COMPASS software development and support of the CERN program library at JINR.

Expected main results in 2007:
List of projects:
  Project Leader Priority
(period of realisation)
1. COMPASS A.P. Nagajtsev 1   (1998-2008)
2. HERMES V.G. Krivokhijine1   (1995-2009)


List of Activities
  Activity or Experiment Leader
Status
I. COMPASS I.A. Savin
Data taking
Data analysis
1 Hadron calorimeter I.A. Savin
Maintenance
2 Muon system G.D. Alekseev
Maintenance
3 Tracking systems V.D. Peshekhonov
O.Yu. Denisov
V.N. Samoylov
G.D. Alexeev
I.M. Ivanchenko
Maintenance
4 Monte Carlo simulation
and software preparation
M.G. Sapozhnikov
V.G. Krivokhijine
P.V. Zrelov
Realization
II. HERMES V.G. Krivokhijine
Data taking
Data analysis
III. Theoretical studies A.V. Efremov
Realization

Collaboration
Country or international
organization
City Institute or Laboratory
Armenia Yerevan YerPhI
Belarus Minsk NC PHEP BSU
Belgium Mons UMH
Brussels ULB
Bulgaria Sofia INRNE BAS
SU
Canada Vancouver TRIUMF
Edmonton U of A
CERN Geneva
Czech Republic Prague CTU
Finland Helsinki UH
France Saclay SPhN CEA DAPNIA
Germany Bielefeld Univ.
Bochum RUB
Bonn UniBonn
Freiburg Univ.
Hamburg DESY
Heidelberg MPI-K
Munich LMU
TUM
Mainz JGU
Erlangen FAU
Israel Tel Aviv TAU
Italy Turin INFN
Trieste INFN
Frascatti INFN LNF
Japan Chiba Toho Univ.
Nagoya Nagoya Univ.
Osaka OCU
Sendai Tohoku Univ.
Tsukuba KEK
Yamagata Yamagata Univ.
JINR Dubna DLNP
BLTP
LPP
LIT
Netherlands Amsterdam NIKHEF
Poland Warsaw WU
Romania Bucharest IFIN-HH
Russia Moscow SINP MSU
LPI RAS
Protvino IHEP
Gatchina PNPI RAS
Troitsk INR RAS
Switzerland Zurich Univ.
United Kingdom Liverpool Univ.
USA Argonne, IL ANL
Cambridge, MA MIT
Boulder, WY CU
Pasadena, CA CALTECH

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