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02-2-1050-2003/2004		Priority: 2
		Status: Approved for completion in 2004

Study of Meson Nuclear Charge Exchange ⁺ n Reactions
on Different Nuclei
(Project HYPERON--M)

Leader:

N.L. Russakovich

Scientific Programme:
The goal of the HYPERON-M experiment is to study some meson nuclear effects such as nuclear transparency and color screening at a qualitatively new level of statistical accuracy. High statistics experiments on charge exchange meson nuclear reactions are of great importance for studying the processes which occur while mesons pass through nuclear matter and for meson spectroscopy. The experiment is proposed to be performed at the U-70 accelerator (IHEP, Protvino) with the setup Hyperon-M at 7 GeV/c. A set of light, medium and heavy nuclei is planned to be used in order to investigate the A-dependence of the nuclear transparency.

Expected main results in 2004:

• Calorimeter electronics and DAQ upgrade, creation of the tagging and veto systems and combined nuclear target.
  
  
• Beam test of the setup to study detector resolution and systematic biases in the experimental data.
  
  
• Data taking run to get the data on charge exchange ⁺ n reactions on different nuclei.
  
  
• Processing of the collected data.

List of Activities
	Activity or project	Spokespersons	Status
	HYPERON-M	N.L. Russakovich	R&D

Collaboration
Country or international organization	City	Institute or Laboratory
Russia	Protvino	SRC-IHEP
JINR	Dubna	LPP

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