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Studies of exotic nuclei using tagging spectrometers

Objective

Description:
Objectives: The objective of the project is to develop recoil implantation spectrometers that can be used in conjunction with recoil separators employed in several research infrastructures, such as RITU at Jyväskylä, SHIP, FRS at GSI, LISE, VAMOS at GANIL, and directly with radioactive beams produced by REX-ISOLDE at ISOLDE, CERN. This will require several parallel developments of nuclear instrumentation having a common requirement of highly segmented Si- and Ge- detectors and associated pulse processing electronics. The prototype detectors will be developed by the consortium of institutions. The program involves simulation modelling, design, construction of detectors and associated electronics followed by test experiments and application to real in-beam experiments.

Results:EXOTAG workshops:"Particle Identification Techniques" CERN, September 28-29, 2000"Conversion Electron Spectroscopy Techniques" Jyväskylä, February 16-17, 2001"Electronics and Data Acquisition Developments for Tagging Experiments", Daresbury, October 18-19, 2001"JuroGam for Tagging Experiments", Jyväskylä, November 22-23.2003"Rex ISOLDE Workshop", CERN, December 16-18, 2002"Workshop on conversion electron spectroscopy and tagging methods", Bonn, January 23-24 2003
The hybrid Si- detector system designed and constructed in Liverpool and at RAL, Daresbury together with a new type of triggerless data acquisition system was commissioned at JYFL in Jyväskylä,. New pulse shape electronics has been developed at GSI: Evidence for new radioactive mode, 2-proton emission from the ground state of 45Fe has been found. New pulse shape analysis methods based on wave-lets have been investigated.


Project Manager:
Rauno JulinDepartment of Physics, University of Jyväskylä, (JYFL)P.O. BOX 3540351 Jyväskylä, Finland
Tel: +358-1-42602426
Fax: +358-1-42602351
E-Mail: Rauno.Julin@phys.jyu.fi
EXOTAG working group workshops: "Particle Identification Techniques" CERN September 28-29, 2000
"Conversion Electron Spectroscopy Techniques" Jyväskylä February 16-17, 2001
"Electronics and Data Acquisition Developments for Tagging Experiments", Daresbury Laboratory, October 18-19 2001
Simulations and design of the segmented Si- and Ge- detectors have been carried out in Liverpool and at RAL, Daresbury. New pulse shape electronics has been developed at GSI. Several tagging-test experiments have been carried out mainly at GANIL and at Jyväskyläin 2001.

Project Manager:
Rauno JulinDepartment of Physics University of Jyväskylä (JYFL)P.O. BOX 3540351 Jyväskylä
Finland
Tel: +358-1-42602426
Fax: +358-1-42602351
E-Mail: Rauno.Julin@phys.jyu.fi

Funding Scheme

CSC - Cost-sharing contracts
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Coordinator

UNIVERSITY OF JYVAESKYLAE
Address
Survontie 9
40351 Jyväskylä
Finland

Participants (7)

COMMISSARIAT A L'ENERGIE ATOMIQUE
France
Address
Centre D'etudes De Saclay
91191 Gif Sur Yvette
COUNCIL FOR THE CENTRAL LABORATORY OF THE RESEARCH COUNCILS
United Kingdom
Address
Chilton,didcot
OX11 0QX Didcot,harwell,chilton
EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH
Switzerland
Address

1211 Geneve
GESELLSCHAFT FUER SCHWERIONENFORSCHUNG MBH
Germany
Address
Planck Strasse 1
64291 Darmstadt
GRAND ACCELERATEUR NATIONAL D'IONS LOURDS
France
THE UNIVERSITY OF LIVERPOOL
United Kingdom
Address
Oxford Street
L69 7ZE Liverpool
WARSAW UNIVERSITY
Poland
Address
69,Hoza 69
00 681 Warszawa