Charge state breeding of radioactive isotopes for ISAC

Ames, F.; Baartman, R.; Bricault, P.; Jayamanna, K.

doi:10.1007/978-94-007-7963-1_6

ISAC and ARIEL: The TRIUMF Radioactive Beam Facilities and the Scientific Program 2013

DOI: 10.1007/978-94-007-7963-1_6

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Charge state breeding of radioactive isotopes for ISAC

F. Ames

R. Baartman

P. Bricault

et al.

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2018

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“…The present experiment was performed at the TRIUMF-ISAC2 facility [34] where a 95 Sr beam was produced by impinging a 480 MeV proton beam with an intensity of 10 µA on a UC x target. The neutron-rich Sr isotopes were produced through uranium fission, were laser ionized, mass separated and transported to a charge state booster [35]. The beam (Q=16 + ) was transported to the ISAC2 facility where its kinetic energy was increased to 5.5 AMeV using the superconducting linear accelerator [34].…”

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Shape coexistence and mixing of low-lying 0+ states in 96Sr

et al. 2018

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The low energy excited 0 + 2,3 states in 96 Sr are amongst the most prominent examples of shape coexistence across the nuclear landscape. In this work, the neutron [2s 1/2 ] 2 content of the 0 + 1,2,3 states in 96 Sr was determined by means of the d( 95 Sr,p) transfer reaction at the TRIUMF-ISAC2 facility using the SHARC and TIGRESS arrays. Spectroscopic factors of 0.19(3) and 0.22 (3) were extracted for the 96 Sr ground and 1229 keV 0 + states, respectively, by fitting the experimental angular distributions to DWBA reaction model calculations. A detailed analysis of the γ-decay of the isomeric 0 + 3 state was used to determine a spectroscopic factor of 0.33(13). The experimental results are compared to shell model calculations, which predict negligible spectroscopic strength for the excited 0 + states in 96 Sr. The strengths of the excited 0 + 2,3 states were also analyzed within a two-level mixing model and are consistent with a mixing strength of a 2 =0.40(14) and a difference in intrinsic deformations of |∆β| = 0.31(3). These results suggest coexistence of three different configurations in 96 Sr and strong shape mixing of the two excited 0 + states.

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Shape coexistence and mixing of low-lying 0+ states in 96Sr

et al. 2018

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Charge state breeding of radioactive isotopes for ISAC

Cited by 1 publication

References 2 publications

Shape coexistence and mixing of low-lying 0+ states in 96Sr

Shape coexistence and mixing of low-lying 0+ states in 96Sr

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