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Poster communications

Status of the caviar detector at LISE-GANIL

Abstract : IPhysics that motivated the building of the LISE magnetic spectrometer, main ideas exposed in the scientific council of GANIL June 4th 1981 by M. Brian and M. Fleury, were: atomic physics studies with stripped ions and the study of new isotopes produced by the fragmentation of beams. The LISE line is a doubly-achromatic spectrometer (angle and position), with a resolution better than 10-3. Since the first experiment performed in 1984, several improvements of the spectrometer were made: use of an achromatic degrader (1987, used for the first time in the world), building of the achromatic deviation and the Wien Filter (1990), building of a new selection dipole and associated vertical platform (1994), building of the new LISE2000 line (2001), use of the Caviar detector (2002), building of the CLIM target (2007). Despite an extreme international competition, the LISE spectrometer remains a world-leader equipment using more than 50 % and up to 90 % of the beam time available at GANIL. This paper presents the status of CAVIAR detector which consist of a MPWC dedicated to in flight particle position at the first dispersive plane of LISE. Since two years, intensive efforts were done with the objective to propose a 'plug and play' detector for nuclear physic experiments. We will describe the motivations and the system from MPWC up to the acquisition system. As example few experimental results will be presented.
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L. Perrot, S. Grévy, C. Houarner, R. Hue, C. Marry, et al.. Status of the caviar detector at LISE-GANIL. 11th International Conference on Heavy Ion Accelerator Technology (HIAT09), Jun 2009, Venezia, Italy. pp.360-364, 2009. ⟨in2p3-00397412⟩

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