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25 April 2024

» arxiv » 1105.4072

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Lifetime measurement of 2+1 state in 74Zn by differential plunger method
M. Niikura ; B. Mouginot ; F. Azaiez ; S. Franchoo ; I. Matea ; I. Stefan ; D. Verney ; M. Assie ; P. Bednarczyk ; C. Borcea ; A. Burger ; G. Burgunder ; A. Buta ; L. Càceres ; 2 E. Clément ; L. Coquard ; G. de Angelis ; G. de France ; F. de Oliveira Santos ; A. Dewald ; A. Dijon ; Z. Dombradi ; E. Fiori ; C. Fransen ; G. Friessner ; L. Gaudefroy ; G. Georgiev ; S. Grévy ; M. Hackstein ; M. N. Harakeh ; F. Ibrahim ; O. Kamalou ; M. Kmiecik ; R. Lozeva ; A. Maj ; C. Mihai ; O. Möller ; S. Myalski ; F. Negoita ; D. Pantelica ; L. Perrot ; Th. Pissulla ; F. Rotaru ; W. Rother ; J. A. Scarpaci ; C. Stodel ; J. C. Thomas ; P. Ujic ;
Date:	20 May 2011
Abstract:	We report here the first direct lifetime measurement of the 2+1 state in 74Zn. The neutron-rich 74Zn beam was produced by in-flight fragmentation of 76Ge at the Grand Accelerateur National d’Ions Lourds and separated with the LISE spectrometer. The 2+1 state was excited by inelastic scattering on a CD2 target and the lifetime was measured by the recoil distance Doppler-shift method with the K"oln plunger device combined with the EXOGAM detectors. The lifetime of the 2+1 state in 74Zn was determined to be 27.0(24) ps, which corresponds to a reduced transition probability B(E2; 2+1 o 0+) = 370(33) e2fm4.
Source:	arXiv, 1105.4072
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