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The Orsay universal plunger system

J. Ljungvall 1 G. Georgiev 1 S. Cabaret 2 N. Karkour 3 D. Linget 3 G. Sedes 4 R. Chevrier 5 I. Matea 6 M. Niikura 6 M.-D. Salsac 7 B. Sulignano 7
1 CSNSM SNO
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière : UMR8609
2 CSNSM MECA
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
3 CSNSM ELEC
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
4 CSNSM INSTR
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
Abstract : A new plunger device for Recoil-Distance Doppler Shift and Time-Differential Recoil In Vacuum measurements has been developed at the CSNSM in collaboration with the IPN Orsay. It is conceived to be easily adapted to different experimental setups and facilities, in particular to the future radioactive beam facility Spiral2. An electronic feedback system keeping the distance between target and stopper foils constant, imperative for precision measurements of short lifetimes, was also developed. The plunger device was commissioned with an experiment performed at the IPN Orsay Tandem accelerator laboratory using the Orgam germanium detector array. Excited states in 76Kr were populated using the reaction 45Sc(35Cl,2p2n)76Kr. The lifetime τ of the View the MathML source state was determined to 4.3(6) ps, in accordance with previous measurement, confirming the functionality of the new plunger device. The commissioning experiment showed in particular that the electronic feed back system works as foreseen.
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Submitted on : Friday, April 6, 2012 - 10:23:41 AM
Last modification on : Wednesday, November 18, 2020 - 5:12:06 PM

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J. Ljungvall, G. Georgiev, S. Cabaret, N. Karkour, D. Linget, et al.. The Orsay universal plunger system. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2012, 679, pp.61-66. ⟨10.1016/j.nima.2012.03.041⟩. ⟨in2p3-00685826⟩

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