THEME02-7-1051-2003/2008

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02-7-1051-2003/2008

Priority:

Status:

Extended

Particle Production in pp Interaction with High Multiplicity at 70 GeV
(Project THERMALIZATION)

Leader:

V.A. Nikitin

Scientific Programme:
Study of multiparticle dynamics in pN interaction with high multiplicity of secondary particles on modernized setup SVD (Spectrometer with vertex detector) at IHEP accelerator U-70. Modernization SVD setup: upgrade of the vertex detector and electromagnetic calorimeter electronics, construction of liquid hydrogen target, trigger of events with the high multiplicity. Development of the Monte Carlo simulation of events with the high multiplicity. Measurement of partial cross section of pN interactions up to the charged particles multiplicity of about 30. Measurement of multiplicity and spectrum of photons. Study of multiparticle correlations. Development of analitic and Monte Karlo models for the description of the high multiplicity processes with taking into account nonperturbative evolution of quark-gluon matter and phase/transitions. The search for interintency. Research of multiplicity fluctuations at relativistic Bose- and Einstain gases with the possibility of condensation.

Expected main results in 2006:

Modernization of SVD setup:

- construction of liquid hydrogen target;

- development of the trigger of events with the high multiplicity;

- construction of the tracker on the drift tubes.
Participation in the data taking at the U-70 accelerator:

- the selection of data;

- measurement of partial cross section of pn interactions up to the charged particles multiplicity of about 30.
Monte Carlo simulation of the detector perfomence: SVD, magnetic spectrometer, trigger.
Development of multiplicity production models.

List of projects:
	Project	Leader	Priority (period of realisation)
1.	THERMALIZATION	V.A. Nikitin	1 (2003-2008)

List of Activities

Activity or Experiment

Leader

Status

Construction of liquid
hydrogen target

L.B. Golovanov

In-progress

Construction of the tracker
on the drift tubes

V.D. Peshekhonov

In-progress

Construction of the triger
of events with high multiplicity.

V.V. Avdeichikov

In-progress

Simulation of the detector performance

I.A. Roufanov

In-progress

Data taking and analysis

V.A. Nikitin

Data taking
Data analysis

Working-out of the
theoretical models
basing on thermodynamics

I.D. Manjavidze

In-progress

Development of multiparticle
production models.

E.S. Kokoulina

In-progress

Collaboration
Country or international organization	City	Institute or Laboratory
Belarus	Minsk	NC PHEP BSU
		JIPENR NASB
	Gomel	GSTU
Czech Republic	Prague	CTU
		IP ASCR
Russia	Moscow	SINP MSU
	Protvino	SRC-IHEP
	Syktyvkar	SyktSU
Slovak Republic	Bratislava	IP SAS
Ukraine	Kiev	BITP NASU

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Particle Production in pp Interaction with High Multiplicity at 70 GeV (Project THERMALIZATION)

List of projects:

Particle Production in pp Interaction with High Multiplicity at 70 GeV
(Project THERMALIZATION)