THEME05-2-1040-2001/2003

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05-2-1040-2001/2003

Priority:

Status:

In-progress

Nucleus and Particle Interactions at Intermediate Energies

Leader:

V. Komarov

Scientific Programme:
Investigation of processes of strong, weak and electromagnetic interaction of elementary particles and light nuclei at intermediate energies with the aim of determining symmetries and dynamics of the interactions. Development and construction of set ups for experiments at accelerators (JINR phasotron, PSI meson factory, COSY proton synchrotron) for obtaining new information and testing the present theoretical views in the topics. Development of projects for new experiments and experimental methods for intermediate-energy physics.

Expected main results in 2002:

Manufacturing of proportional chamber No 2 for PIBETA. Data taking and data analysis.
Measurement of the energy dependence of the reaction pd ppn with forward emission of a proton pair with small relative energy.
Data taking with DUBTO at the JINR Phasotron. Analysis of the 1999-2001 data.
Measurement of the temperature dependence of the cycling rate in the binary mixture D/T will be performed with the use of a cryogenic high-pressure tritium target in the temperature range 40-300 K at the tritium concentration 35-55% at the mixture density 0.2-0.9 LHD. Measurement of the tt-molecule formation rate, nuclear reaction rate and estimation of the influence of (-n)-correlation in the final state.
Data processing and analysis with the aim to get parameters of the dibaryon resonance d^*₁.
Investigation of diffusion of the anomalous muonium in Si. Measurement of the muon magnetic moment in the bound state.
Installation of the FAMILON apparatus in the surface muon beam line of the phasotron. Beam tests and measurement of energy resolution.
Development of methods for manufacturing hydrophobic aerogel samples with n=1.008 1.020; manufacturing of the samples for investigations with CERN beams.

List of Activities

Activity or project

Spokespersons

Status

PIBETA

S. Korenchenko

Data taking
Data-processing

ANKE COSY

V. Komarov

Data taking
Data-processing

DUBTO

N. Russakovich
G. Piragino

Data taking
Data-processing

CATALYSIS

V. Zinov

Preparation
Data taking

PP2

A. Khrykin

Data taking
Data-processing

MUON

V. Duginov
T. Mamedov

Data taking
Data-processing

FAMILON

V. Gordeev
V. Duginov

Preparation

AEROGEL

A. Filippov

Preparation
Production

Collaboration
Country or international organization	City	Institute or Laboratory
Azerbaijan	Baku	IP ASA
Belarus	Minsk	NC PHEP BSU
CERN
Croatia	Zagreb	RBI
Georgia	Tbilisi	HEPI TSU
Germany	Aachen	RWTH
	Heidelberg	RKU
	Juelich	FZJ
	Cologne	Univ.
	Muenster	WWU
	Rossendorf	IKHP
	Stuttgart	MPIM
Italy	Frascatti	INFN
	Rome	Univ.
	Turin	INFN
JINR	Dubna	DLNP
		BLTP
		FLNR
		LIT
Netherlands	Delft	TUD
Poland	Otwock	SINS
Russia	Alexandrov	VNIISIMS
	Gatchina	PNPI RAS
	Moscow	SSC-ITEP
		GPI RAS
		MSU
		SRINP MSU
		SSC RRC KI
	Sarov	RSR IEP
Slovak Republic	Bratislava	CU
Switzerland	Zurich	Univ.
		ETH
	Villigen	PSI
USA	Charlottesville	UV
	Pittsburgh	UP
	Tucson	UA

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