Precision mass measurements at TITAN with radioactive ions

A. A. Kwiatkowski; T. D. Macdonald; C. Andreoiu; J. C. Bale; T. Brunner; A. Chaudhuri; U. Chowdhury; S. Ettenauer; A. T. Gallant; A. Grossheim; A. Lennarz; E. Mané; M. R. Pearson; B. E. Schultz; M. C. Simon; V. V. Simon; J. Dilling

doi:10.1016/j.nimb.2013.05.087

Precision mass measurements at TITAN with radioactive ions

A. A. Kwiatkowski, T. D. Macdonald, C. Andreoiu, J. C. Bale, T. Brunner, A. Chaudhuri, U. Chowdhury, S. Ettenauer, A. T. Gallant, A. Grossheim, A. Lennarz, E. Mané, M. R. Pearson, B. E. Schultz, M. C. Simon, V. V. Simon, J. Dilling

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13 Scopus citations

Abstract

Measurements of the atomic mass further our understanding in many disciplines from metrology to physics beyond the standard model. The accuracy and precision of Penning trap mass spectrometry have been well demonstrated at TITAN, including measurements of neutron-rich calcium and potassium isotopes to investigate three-body forces in nuclear structure and within the island of inversion to study the mechanism of shell quenching and deformation. By charge breeding ions, TITAN has enhanced the precision of the measurement technique. The precision achieved in the measurement of the superallowed β-emitter ⁷⁴Rb in the 8+ charge state rivaled earlier measurements with singly charged ions in a fraction of the time. By breeding ⁷⁸Rb to the same charge state, the ground state could be easily distinguished from the isomer. Further developments led to threshold charge breeding, which permitted capturing and measuring isobarically and elementally pure ion samples in the Penning trap. This was demonstrated via the Q-value determination of ⁷¹Ge. An overview of the TITAN facility and recent results are presented herein.

Original language	English
Pages (from-to)	517-521
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	317
Issue number	PART B
DOIs	https://doi.org/10.1016/j.nimb.2013.05.087
State	Published - Dec 15 2013
Externally published	Yes

Funding

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. A.T.G. acknowledges support from the NSERC CGS-D, A.L. from the Deutsche Forschungsgesellschaft (DFG) under Grant No. FR601/3–1 , T.D.M from NSERC CGS-M, and V.V.S. from the Studien-stiftung des deutschen Volkes.

Funders	Funder number
Studien-stiftung des deutschen Volkes
TRIUMF
National Research Council
Natural Sciences and Engineering Research Council of Canada
Deutsche Forschungsgemeinschaft	FR601/3–1

Keywords

Atomic mass
Mass spectrometry
Nuclear structure
Penning traps
Rare isotope beams

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10.1016/j.nimb.2013.05.087

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Kwiatkowski, A. A., Macdonald, T. D., Andreoiu, C., Bale, J. C., Brunner, T., Chaudhuri, A., Chowdhury, U., Ettenauer, S., Gallant, A. T., Grossheim, A., Lennarz, A., Mané, E., Pearson, M. R., Schultz, B. E., Simon, M. C., Simon, V. V., & Dilling, J. (2013). Precision mass measurements at TITAN with radioactive ions. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 317(PART B), 517-521. https://doi.org/10.1016/j.nimb.2013.05.087

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abstract = "Measurements of the atomic mass further our understanding in many disciplines from metrology to physics beyond the standard model. The accuracy and precision of Penning trap mass spectrometry have been well demonstrated at TITAN, including measurements of neutron-rich calcium and potassium isotopes to investigate three-body forces in nuclear structure and within the island of inversion to study the mechanism of shell quenching and deformation. By charge breeding ions, TITAN has enhanced the precision of the measurement technique. The precision achieved in the measurement of the superallowed β-emitter 74Rb in the 8+ charge state rivaled earlier measurements with singly charged ions in a fraction of the time. By breeding 78Rb to the same charge state, the ground state could be easily distinguished from the isomer. Further developments led to threshold charge breeding, which permitted capturing and measuring isobarically and elementally pure ion samples in the Penning trap. This was demonstrated via the Q-value determination of 71Ge. An overview of the TITAN facility and recent results are presented herein.",

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Kwiatkowski, AA, Macdonald, TD, Andreoiu, C, Bale, JC, Brunner, T, Chaudhuri, A, Chowdhury, U, Ettenauer, S, Gallant, AT, Grossheim, A, Lennarz, A, Mané, E, Pearson, MR, Schultz, BE, Simon, MC, Simon, VV & Dilling, J 2013, 'Precision mass measurements at TITAN with radioactive ions', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 317, no. PART B, pp. 517-521. https://doi.org/10.1016/j.nimb.2013.05.087

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AU - Kwiatkowski, A. A.

AU - Macdonald, T. D.

AU - Andreoiu, C.

AU - Bale, J. C.

AU - Brunner, T.

AU - Chaudhuri, A.

AU - Chowdhury, U.

AU - Ettenauer, S.

AU - Gallant, A. T.

AU - Grossheim, A.

AU - Lennarz, A.

AU - Mané, E.

AU - Pearson, M. R.

AU - Schultz, B. E.

AU - Simon, M. C.

AU - Simon, V. V.

AU - Dilling, J.

PY - 2013/12/15

Y1 - 2013/12/15

N2 - Measurements of the atomic mass further our understanding in many disciplines from metrology to physics beyond the standard model. The accuracy and precision of Penning trap mass spectrometry have been well demonstrated at TITAN, including measurements of neutron-rich calcium and potassium isotopes to investigate three-body forces in nuclear structure and within the island of inversion to study the mechanism of shell quenching and deformation. By charge breeding ions, TITAN has enhanced the precision of the measurement technique. The precision achieved in the measurement of the superallowed β-emitter 74Rb in the 8+ charge state rivaled earlier measurements with singly charged ions in a fraction of the time. By breeding 78Rb to the same charge state, the ground state could be easily distinguished from the isomer. Further developments led to threshold charge breeding, which permitted capturing and measuring isobarically and elementally pure ion samples in the Penning trap. This was demonstrated via the Q-value determination of 71Ge. An overview of the TITAN facility and recent results are presented herein.

AB - Measurements of the atomic mass further our understanding in many disciplines from metrology to physics beyond the standard model. The accuracy and precision of Penning trap mass spectrometry have been well demonstrated at TITAN, including measurements of neutron-rich calcium and potassium isotopes to investigate three-body forces in nuclear structure and within the island of inversion to study the mechanism of shell quenching and deformation. By charge breeding ions, TITAN has enhanced the precision of the measurement technique. The precision achieved in the measurement of the superallowed β-emitter 74Rb in the 8+ charge state rivaled earlier measurements with singly charged ions in a fraction of the time. By breeding 78Rb to the same charge state, the ground state could be easily distinguished from the isomer. Further developments led to threshold charge breeding, which permitted capturing and measuring isobarically and elementally pure ion samples in the Penning trap. This was demonstrated via the Q-value determination of 71Ge. An overview of the TITAN facility and recent results are presented herein.

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KW - Mass spectrometry

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JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

IS - PART B

ER -

Precision mass measurements at TITAN with radioactive ions

Abstract

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Keywords

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