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High-precision QEC -value measurement of the superallowed β+ emitter Mg 22 and an ab initio evaluation of the A=22 isobaric triplet

Publication ,  Journal Article
Reiter, MP; Leach, KG; Drozdowski, OM; Stroberg, SR; Holt, JD; Andreoiu, C; Babcock, C; Barquest, B; Brodeur, M; Finlay, A; Foster, M; Lan, Y ...
Published in: Physical Review C
November 6, 2017

A direct QEC-value measurement of the superallowed β+ emitter Mg22 was performed using TRIUMF's Ion Trap for Atomic and Nuclear Science. The direct ground-state to ground-state atomic mass difference between Mg22 and Na22 was determined to be QEC=4781.40(22) keV, representing the most precise single measurement of this quantity to date. In a continued push toward calculating superallowed isospin-symmetry-breaking corrections from first principles, ab initio shell-model calculations of the A=22 isobaric multiplet mass equation are also presented for the first time using the valence-space in-medium similarity renormalization group formalism. With particular starting two- and three-nucleon forces, this approach demonstrates good agreement with the experimental data.

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Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

November 6, 2017

Volume

96

Issue

5
 

Citation

APA
Chicago
ICMJE
MLA
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Reiter, M. P., Leach, K. G., Drozdowski, O. M., Stroberg, S. R., Holt, J. D., Andreoiu, C., … Dilling, J. (2017). High-precision QEC -value measurement of the superallowed β+ emitter Mg 22 and an ab initio evaluation of the A=22 isobaric triplet. Physical Review C, 96(5). https://doi.org/10.1103/PhysRevC.96.052501
Reiter, M. P., K. G. Leach, O. M. Drozdowski, S. R. Stroberg, J. D. Holt, C. Andreoiu, C. Babcock, et al. “High-precision QEC -value measurement of the superallowed β+ emitter Mg 22 and an ab initio evaluation of the A=22 isobaric triplet.” Physical Review C 96, no. 5 (November 6, 2017). https://doi.org/10.1103/PhysRevC.96.052501.
Reiter MP, Leach KG, Drozdowski OM, Stroberg SR, Holt JD, Andreoiu C, et al. High-precision QEC -value measurement of the superallowed β+ emitter Mg 22 and an ab initio evaluation of the A=22 isobaric triplet. Physical Review C. 2017 Nov 6;96(5).
Reiter, M. P., et al. “High-precision QEC -value measurement of the superallowed β+ emitter Mg 22 and an ab initio evaluation of the A=22 isobaric triplet.” Physical Review C, vol. 96, no. 5, Nov. 2017. Scopus, doi:10.1103/PhysRevC.96.052501.
Reiter MP, Leach KG, Drozdowski OM, Stroberg SR, Holt JD, Andreoiu C, Babcock C, Barquest B, Brodeur M, Finlay A, Foster M, Gallant AT, Gwinner G, Klawitter R, Kootte B, Kwiatkowski AA, Lan Y, Lascar D, Leistenschneider E, Lennarz A, Paul S, Steinbrügge R, Thompson RI, Wieser M, Dilling J. High-precision QEC -value measurement of the superallowed β+ emitter Mg 22 and an ab initio evaluation of the A=22 isobaric triplet. Physical Review C. 2017 Nov 6;96(5).

Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

November 6, 2017

Volume

96

Issue

5