Mass determination near N=20 for Al and Na isotopes

A. T. Gallant; M. Alanssari; J. C. Bale; C. Andreoiu; B. R. Barquest; U. Chowdhury; J. Even; A. Finlay; D. Frekers; G. Gwinner; R. Klawitter; B. Kootte; A. A. Kwiatkowski; D. Lascar; K. G. Leach; E. Leistenschneider; A. Lennarz; A. J. Mayer; D. Short; R. Thompson; M. Wieser; D. Lunney; J. Dilling

doi:10.1103/PhysRevC.96.024325

Mass determination near N=20 for Al and Na isotopes

A. T. Gallant^*, M. Alanssari, J. C. Bale, C. Andreoiu, B. R. Barquest, U. Chowdhury, J. Even, A. Finlay, D. Frekers, G. Gwinner, R. Klawitter, B. Kootte, A. A. Kwiatkowski, D. Lascar, K. G. Leach, E. Leistenschneider, A. Lennarz, A. J. Mayer, D. Short, R. ThompsonM. Wieser, D. Lunney, J. Dilling

^*Corresponding author for this work

Physics and Astronomy

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Abstract

We report on the mass measurements of Na31,32 and Al29,34,35, performed with the TITAN Penning trap mass spectrometer at TRIUMF. The mass excesses were found to be 12246(14) and 18638(37) keV for Na31,32 and -18207.77(37),-3000.5(29), and -223.7(73) keV for Al29,34,35, respectively. Our measurements confirm the observation of a crossover in the two-neutron separation energies of Mg33 and Al34. We did not observe the recently reported, long-lived, isomeric state of Al34, but, based on the previously measured half-lives, the mass value of the ground state was determined.

Original language	English (US)
Article number	024325
Journal	Physical Review C
Volume	96
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.96.024325
State	Published - Aug 31 2017

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.96.024325

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Gallant, A. T., Alanssari, M., Bale, J. C., Andreoiu, C., Barquest, B. R., Chowdhury, U., Even, J., Finlay, A., Frekers, D., Gwinner, G., Klawitter, R., Kootte, B., Kwiatkowski, A. A., Lascar, D., Leach, K. G., Leistenschneider, E., Lennarz, A., Mayer, A. J., Short, D., ... Dilling, J. (2017). Mass determination near N=20 for Al and Na isotopes. Physical Review C, 96(2), Article 024325. https://doi.org/10.1103/PhysRevC.96.024325

@article{a9ca4ea8f43042da8909da5fb6066dd9,

title = "Mass determination near N=20 for Al and Na isotopes",

abstract = "We report on the mass measurements of Na31,32 and Al29,34,35, performed with the TITAN Penning trap mass spectrometer at TRIUMF. The mass excesses were found to be 12246(14) and 18638(37) keV for Na31,32 and -18207.77(37),-3000.5(29), and -223.7(73) keV for Al29,34,35, respectively. Our measurements confirm the observation of a crossover in the two-neutron separation energies of Mg33 and Al34. We did not observe the recently reported, long-lived, isomeric state of Al34, but, based on the previously measured half-lives, the mass value of the ground state was determined.",

author = "Gallant, {A. T.} and M. Alanssari and Bale, {J. C.} and C. Andreoiu and Barquest, {B. R.} and U. Chowdhury and J. Even and A. Finlay and D. Frekers and G. Gwinner and R. Klawitter and B. Kootte and Kwiatkowski, {A. A.} and D. Lascar and Leach, {K. G.} and E. Leistenschneider and A. Lennarz and Mayer, {A. J.} and D. Short and R. Thompson and M. Wieser and D. Lunney and J. Dilling",

note = "Funding Information: We appreciate support from the TRILIS group led by J. Lassen, the ISAC Beam Delivery group, and M. Good. This work has been supported by the Natural Sciences and Engineering Research Council (NSERC) of Canada and the National Research Council (NRC) of Canada through TRIUMF and by the French IN2P3 project PICS06207. J.E. gratefully acknowledges financial support from the German Academic Exchange Service (DAAD Postdoc program). E.L. acknowledges support from Brazil's Conselho Nacional de Desenvolvimento Cientfico e Tecnol{\'o}gico (CNPq) under Science Without Borders' Grant No. 249121/2013-1. M.A. acknowledges the financial support from the German Science Foundation (DFG) under Research Training Group 2149. U.C. and B.K. acknowledge support from a University of Manitoba Faculty of Science studentship. Publisher Copyright: {\textcopyright} 2017 American Physical Society.",

year = "2017",

month = aug,

day = "31",

doi = "10.1103/PhysRevC.96.024325",

language = "English (US)",

volume = "96",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "2",

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Gallant, AT, Alanssari, M, Bale, JC, Andreoiu, C, Barquest, BR, Chowdhury, U, Even, J, Finlay, A, Frekers, D, Gwinner, G, Klawitter, R, Kootte, B, Kwiatkowski, AA, Lascar, D, Leach, KG, Leistenschneider, E, Lennarz, A, Mayer, AJ, Short, D, Thompson, R, Wieser, M, Lunney, D & Dilling, J 2017, 'Mass determination near N=20 for Al and Na isotopes', Physical Review C, vol. 96, no. 2, 024325. https://doi.org/10.1103/PhysRevC.96.024325

TY - JOUR

T1 - Mass determination near N=20 for Al and Na isotopes

AU - Gallant, A. T.

AU - Alanssari, M.

AU - Bale, J. C.

AU - Andreoiu, C.

AU - Barquest, B. R.

AU - Chowdhury, U.

AU - Even, J.

AU - Finlay, A.

AU - Frekers, D.

AU - Gwinner, G.

AU - Klawitter, R.

AU - Kootte, B.

AU - Kwiatkowski, A. A.

AU - Lascar, D.

AU - Leach, K. G.

AU - Leistenschneider, E.

AU - Lennarz, A.

AU - Mayer, A. J.

AU - Short, D.

AU - Thompson, R.

AU - Wieser, M.

AU - Lunney, D.

AU - Dilling, J.

N1 - Funding Information: We appreciate support from the TRILIS group led by J. Lassen, the ISAC Beam Delivery group, and M. Good. This work has been supported by the Natural Sciences and Engineering Research Council (NSERC) of Canada and the National Research Council (NRC) of Canada through TRIUMF and by the French IN2P3 project PICS06207. J.E. gratefully acknowledges financial support from the German Academic Exchange Service (DAAD Postdoc program). E.L. acknowledges support from Brazil's Conselho Nacional de Desenvolvimento Cientfico e Tecnológico (CNPq) under Science Without Borders' Grant No. 249121/2013-1. M.A. acknowledges the financial support from the German Science Foundation (DFG) under Research Training Group 2149. U.C. and B.K. acknowledge support from a University of Manitoba Faculty of Science studentship. Publisher Copyright: © 2017 American Physical Society.

PY - 2017/8/31

Y1 - 2017/8/31

N2 - We report on the mass measurements of Na31,32 and Al29,34,35, performed with the TITAN Penning trap mass spectrometer at TRIUMF. The mass excesses were found to be 12246(14) and 18638(37) keV for Na31,32 and -18207.77(37),-3000.5(29), and -223.7(73) keV for Al29,34,35, respectively. Our measurements confirm the observation of a crossover in the two-neutron separation energies of Mg33 and Al34. We did not observe the recently reported, long-lived, isomeric state of Al34, but, based on the previously measured half-lives, the mass value of the ground state was determined.

AB - We report on the mass measurements of Na31,32 and Al29,34,35, performed with the TITAN Penning trap mass spectrometer at TRIUMF. The mass excesses were found to be 12246(14) and 18638(37) keV for Na31,32 and -18207.77(37),-3000.5(29), and -223.7(73) keV for Al29,34,35, respectively. Our measurements confirm the observation of a crossover in the two-neutron separation energies of Mg33 and Al34. We did not observe the recently reported, long-lived, isomeric state of Al34, but, based on the previously measured half-lives, the mass value of the ground state was determined.

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U2 - 10.1103/PhysRevC.96.024325

DO - 10.1103/PhysRevC.96.024325

M3 - Article

AN - SCOPUS:85028748452

SN - 2469-9985

VL - 96

JO - Physical Review C

JF - Physical Review C

IS - 2

M1 - 024325

ER -

Mass determination near N=20 for Al and Na isotopes

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