THEME03-1-1011-95/2002

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03-1-1011-95/2002

Priority:

Status:

Approved for completion
in 2002

Investigation of the Properties of Nuclear Matter in Experiments with Nuclei and Polarized Particles
(Projects DISK, STAR, CERES/NA45)

Leader:

Yu. Panebratsev

Scientific Programme:

Investigation of the asymptotic properties of the extremely excited nuclear matter and vacuum nature of the quantum field theory in experiments at the relativistic nuclei and polarized proton collider RHIC. Study of the hot early stage of the dynamics of ultrarelativistic nuclear collisions in the experiment CERES/NA45 dedicated to the measurement of electron-positron pairs, and direct photons at CERN SPS energies. Study of the properties of polarized and unpolarized nuclear matter at small distances in experiments on cumulative and high particle production (DISK spectrometer). Study of nuclear and colour transparency in experiments at AGS (BNL) and Yerevan electron synchrotron.

Expected main results in 2002:

Data-taking and analysis of experimental data on gold-gold collisions from the STAR experiment at RHIC.
Analysis of experimental data on electron-positron pair production in lead-gold collisions at 40, 80 and 160GeV with high resolution on the effective mass accumulated in the lead beam runs at SPS with upgraded CERES/NA45 spectrometer.
Manufacturing and tests of elements of the silicon vertex detector for the DISK experiment at the Nuclotron.
Analysis of experimental data on photodesintegration of deuteron with the polarized photon beam at the energy up to 2 GeV in the joint YerPhI - JINR experiment.

List of Activities

Activity or project

Spokespersons

Status

DISK

Yu. Panebratsev
S. Shimansky

Data taking

CERES/NA45

Yu. Panebratsev
V. Yurevich

Data taking

STAR

Yu. Panebratsev

Preparation

Collaboration
Country or international organization	City	Institute or Laboratory
Armenia	Yerevan	YerPhI
Azerbaijan	Baku	ANAA
		IP ASA
CERN
Czech Republic	Prague	IP ASCR
	Rhzehz	NPI ASCR
Germany	Heidelberg	MPIK
		RKU
Israel	Rehovot	WIS
JINR	Dubna	LIT
		BLTP
Kazakhstan	Almaty	PTI MS-AS RK
Romania	Bucharest	IFIN-HH
Russia	Moscow	MEPI
	Novosibirsk	BINP RAS-SD
	St. Petersburg	PSU
Tajikistan	Dushanbe	TSU
USA	Argonne	ANL
	Bloomington	IUB
	Detroit	WSU
	New Haven	Yale Univ.
	Upton	BNL
	University Park	PENN State
Yugoslavia	Belgrade	INS "Vinca"
	Podgorica	Univ.

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Investigation of the Properties of Nuclear Matter in Experiments with Nuclei and Polarized Particles (Projects DISK, STAR, CERES/NA45)

Leader:

Scientific Programme:

Investigation of the Properties of Nuclear Matter in Experiments with Nuclei and Polarized Particles
(Projects DISK, STAR, CERES/NA45)