Quenching of the N = 32 neutron shell closure studied via precision mass 
measurements of neutron-rich vanadium isotopes

Reiter, M. P.; Andrés, S. Ayet San; Dunling, E.; Kootte, B.; Leistenschneider, E.; Andreoiu, C.; Babcock, C.; Barquest, B. R.; Bollig, J.; Brunner, T.; Dillmann, I.; Finlay, A.; Gwinner, G.; Graham, L.; Holt, J. D.; Hornung, C.; Jesch, C.; Klawitter, Renee; Lan, Y.; Lascar, D.; McKay, J. E.; Paul, S. F.; Steinbrügge, R.; Thompson, R.; Tracy Jr., J. L.; Wieser, M. E.; Will, C.; Dickel, T.; Plaß, W. R.; Scheidenberger, C.; Kwiatkowski, A. A.; Dilling, J.

doi:10.1103/PhysRevC.98.024310

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Quenching of the N = 32 neutron shell closure studied via precision mass measurements of neutron-rich vanadium isotopes

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Klawitter, Renee
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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https://doi.org/10.1103/PhysRevC.98.024310
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Citation

Reiter, M. P., Andrés, S. A. S., Dunling, E., Kootte, B., Leistenschneider, E., Andreoiu, C., et al. (2018). Quenching of the N = 32 neutron shell closure studied via precision mass measurements of neutron-rich vanadium isotopes. Physical Review C, 98(2): 024310. doi:10.1103/PhysRevC.98.024310.

Cite as: https://hdl.handle.net/21.11116/0000-0002-8A8A-7

Abstract

We performed the first direct mass measurements of neutron-rich vanadium ^52–55V isotopes passing the N=32 neutron shell closure with TRIUMF's Ion Trap for Atomic and Nuclear science. The new direct measurements confirm all previous indirect results. Through a reduced uncertainty of the mass of ⁵⁵V we confirm the quenching of the N=32 neutron shell closure in vanadium. We discuss the evolution of the N=32 neutron shell closure between K and Cr and show similar signatures in the half-life surface when studied along the isotopic chains.