Fast-timing measurements in neutron-rich odd-mass zirconium isotopes using LaBr3:Ce detectors coupled with Gammasphere
- Gamba E.R.
- Lalkovski S.
- Rudigier M.
- Bruce A.M.
- Bottoni S.
- Carpenter M.P.
- Zhu S.
- Ayangeakaa A.D.
- Anderson J.T.
- Berry T.A.
- Burrows I.
- Carroll R.J.
- Copp P.
- Carmona Gallardo M.
- Cullen D.M.
- Daniel T.
- Greene J.P.
- Gurgi L.A.
- Hartley D.J.
- Ilieva R.
- Ilieva S.
- Janssens R.V.F.
- Kondev F.G.
- Kröll T.
- Lane G.J.
- Lauritsen T.
- Lazarus I.
- Lotay G.
- Fernández Martínez G.
- Podolyák Zs.
- Pucknell V.
- Reed M.
- Regan P.H.
- Rohrer J.
- Sethi J.
- Seweryniak D.
- Shand C.M.
- Simpson J.
- Smolen M.
- Stefanova E.A.
- Vedia V.
- Yordanov O.
DOIAbstract
A fast-timing experiment was performed at the Argonne National Laboratory to measure the lifetimes of the lowest lying states of nuclei belonging to the deformed regions around mass number A≃110 and A≃150. These regions were populated via spontaneous fission of 252Cf and the gamma radiation following the decay of excited states in the fission fragments was measured using 51 Gammasphere detectors coupled with 25 LaBr3:Ce detectors. A brief description of the acquisition system and some preliminary results from the fast-timing analysis of the fission fragment 100Zr are presented. The lifetime value of τ = 840(65) ps was found for the 2+ state in 100Zr consistent within one standard deviation of the adopted value with 791 +26 -35ps. This is as...
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