First Use of high charge states for mass measurements of short-lived nuclides in a penning trap

S. Ettenauer; M. C. Simon; A. T. Gallant; T. Brunner; U. Chowdhury; V. V. Simon; M. Brodeur; A. Chaudhuri; E. Mané; C. Andreoiu; G. Audi; J. R.Crespo López-Urrutia; P. Delheij; G. Gwinner; A. Lapierre; D. Lunney; M. R. Pearson; R. Ringle; J. Ullrich; J. Dilling

doi:10.1103/PhysRevLett.107.272501

First Use of high charge states for mass measurements of short-lived nuclides in a penning trap

S. Ettenauer, M. C. Simon, A. T. Gallant, T. Brunner, U. Chowdhury, V. V. Simon, M. Brodeur, A. Chaudhuri, E. Mané, C. Andreoiu, G. Audi, J. R.Crespo López-Urrutia, P. Delheij, G. Gwinner, A. Lapierre, D. Lunney, M. R. Pearson, R. Ringle, J. Ullrich, J. Dilling

Neutron Sciences Directorate

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Abstract

Penning trap mass measurements of short-lived nuclides have been performed for the first time with highly charged ions, using the TITAN facility at TRIUMF. Compared to singly charged ions, this provides an improvement in experimental precision that scales with the charge state q. Neutron-deficient Rb isotopes have been charge bred in an electron beam ion trap to q=8-12+ prior to injection into the Penning trap. In combination with the Ramsey excitation scheme, this unique setup creating low energy, highly charged ions at a radioactive beam facility opens the door to unrivaled precision with gains of 1-2 orders of magnitude. The method is particularly suited for short-lived nuclides such as the superallowed β emitter Rb74 (T _1/2=65ms). The determination of its atomic mass and an improved Q _EC value are presented.

Original language	English
Article number	272501
Journal	Physical Review Letters
Volume	107
Issue number	27
DOIs	https://doi.org/10.1103/PhysRevLett.107.272501
State	Published - Dec 29 2011

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Ettenauer, S., Simon, M. C., Gallant, A. T., Brunner, T., Chowdhury, U., Simon, V. V., Brodeur, M., Chaudhuri, A., Mané, E., Andreoiu, C., Audi, G., López-Urrutia, J. R. C., Delheij, P., Gwinner, G., Lapierre, A., Lunney, D., Pearson, M. R., Ringle, R., Ullrich, J., & Dilling, J. (2011). First Use of high charge states for mass measurements of short-lived nuclides in a penning trap. Physical Review Letters, 107(27), Article 272501. https://doi.org/10.1103/PhysRevLett.107.272501

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title = "First Use of high charge states for mass measurements of short-lived nuclides in a penning trap",

abstract = "Penning trap mass measurements of short-lived nuclides have been performed for the first time with highly charged ions, using the TITAN facility at TRIUMF. Compared to singly charged ions, this provides an improvement in experimental precision that scales with the charge state q. Neutron-deficient Rb isotopes have been charge bred in an electron beam ion trap to q=8-12+ prior to injection into the Penning trap. In combination with the Ramsey excitation scheme, this unique setup creating low energy, highly charged ions at a radioactive beam facility opens the door to unrivaled precision with gains of 1-2 orders of magnitude. The method is particularly suited for short-lived nuclides such as the superallowed β emitter Rb74 (T 1/2=65ms). The determination of its atomic mass and an improved Q EC value are presented.",

author = "S. Ettenauer and Simon, {M. C.} and Gallant, {A. T.} and T. Brunner and U. Chowdhury and Simon, {V. V.} and M. Brodeur and A. Chaudhuri and E. Man{\'e} and C. Andreoiu and G. Audi and L{\'o}pez-Urrutia, {J. R.Crespo} and P. Delheij and G. Gwinner and A. Lapierre and D. Lunney and Pearson, {M. R.} and R. Ringle and J. Ullrich and J. Dilling",

year = "2011",

month = dec,

day = "29",

doi = "10.1103/PhysRevLett.107.272501",

language = "English",

volume = "107",

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Ettenauer, S, Simon, MC, Gallant, AT, Brunner, T, Chowdhury, U, Simon, VV, Brodeur, M, Chaudhuri, A, Mané, E, Andreoiu, C, Audi, G, López-Urrutia, JRC, Delheij, P, Gwinner, G, Lapierre, A, Lunney, D, Pearson, MR, Ringle, R, Ullrich, J & Dilling, J 2011, 'First Use of high charge states for mass measurements of short-lived nuclides in a penning trap', Physical Review Letters, vol. 107, no. 27, 272501. https://doi.org/10.1103/PhysRevLett.107.272501

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T1 - First Use of high charge states for mass measurements of short-lived nuclides in a penning trap

AU - Ettenauer, S.

AU - Simon, M. C.

AU - Gallant, A. T.

AU - Brunner, T.

AU - Chowdhury, U.

AU - Simon, V. V.

AU - Brodeur, M.

AU - Chaudhuri, A.

AU - Mané, E.

AU - Andreoiu, C.

AU - Audi, G.

AU - López-Urrutia, J. R.Crespo

AU - Delheij, P.

AU - Gwinner, G.

AU - Lapierre, A.

AU - Lunney, D.

AU - Pearson, M. R.

AU - Ringle, R.

AU - Ullrich, J.

AU - Dilling, J.

PY - 2011/12/29

Y1 - 2011/12/29

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AB - Penning trap mass measurements of short-lived nuclides have been performed for the first time with highly charged ions, using the TITAN facility at TRIUMF. Compared to singly charged ions, this provides an improvement in experimental precision that scales with the charge state q. Neutron-deficient Rb isotopes have been charge bred in an electron beam ion trap to q=8-12+ prior to injection into the Penning trap. In combination with the Ramsey excitation scheme, this unique setup creating low energy, highly charged ions at a radioactive beam facility opens the door to unrivaled precision with gains of 1-2 orders of magnitude. The method is particularly suited for short-lived nuclides such as the superallowed β emitter Rb74 (T 1/2=65ms). The determination of its atomic mass and an improved Q EC value are presented.

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First Use of high charge states for mass measurements of short-lived nuclides in a penning trap

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