Precision mass measurements of neutron halo nuclei using the TITAN Penning trap

M. Brodeur; T. Brunner; S. Ettenauer; A. T. Gallant; V. V. Simon; M. Smith; A. Lapierre; E. Mané; R. Ringle; V. L. Ryjkov; S. Bacca; P. Delheij; D. Lunney; M. Pearson; J. Dilling

doi:10.1007/s10751-011-0311-y

Precision mass measurements of neutron halo nuclei using the TITAN Penning trap

M. Brodeur, T. Brunner, S. Ettenauer, A. T. Gallant, V. V. Simon, M. Smith, A. Lapierre, E. Mané, R. Ringle, V. L. Ryjkov, S. Bacca, P. Delheij, D. Lunney, M. Pearson, J. Dilling

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Precise atomic mass determinations play a key role in various fields of physics, including nuclear physics, testing of fundamental symmetries and constants and atomic physics. Recently, the TITAN Penning trap measured the masses of several neutron halos. These exotic systems have an extended, diluted, matter distribution that can be modelled by considering a nuclear core surrounded by a halo formed by one or more of loosely bound neutrons. Combined with laser spectroscopy measurements of isotopic shifts precise masses can be used to obtain reliable charge radii and two-neutron-seperation energies for these halo nuclei. It is shown that these results can be used as stringent tests of nuclear models and potentials providing an important metric for our understanding of the interactions in all nuclei.

Original language	English
Pages (from-to)	167-173
Number of pages	7
Journal	Hyperfine Interactions
Volume	199
Issue number	1
DOIs	https://doi.org/10.1007/s10751-011-0311-y
State	Published - Jul 2011
Externally published	Yes

Funding

Acknowledgements This work was supported by NSERC. We would like to thank the TRIUMF technical staff, especially Melvin Good. T.B. acknowledges support from the Evangelisches Studi-enwerk e.V. Villigst, V.S. from the German Academic Exchange Service (DAAD), S.E. from the Vanier CGS program, A.G. from NSERC PGS-M program and D.L. from TRIUMF during his 2007-2008 sabbatical.

Funders	Funder number
Natural Sciences and Engineering Research Council of Canada
Deutscher Akademischer Austauschdienst

Keywords

Halo nuclei
Mass measurement
Nuclear theory
Penning trap

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10.1007/s10751-011-0311-y

Cite this

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abstract = "Precise atomic mass determinations play a key role in various fields of physics, including nuclear physics, testing of fundamental symmetries and constants and atomic physics. Recently, the TITAN Penning trap measured the masses of several neutron halos. These exotic systems have an extended, diluted, matter distribution that can be modelled by considering a nuclear core surrounded by a halo formed by one or more of loosely bound neutrons. Combined with laser spectroscopy measurements of isotopic shifts precise masses can be used to obtain reliable charge radii and two-neutron-seperation energies for these halo nuclei. It is shown that these results can be used as stringent tests of nuclear models and potentials providing an important metric for our understanding of the interactions in all nuclei.",

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AU - Gallant, A. T.

AU - Simon, V. V.

AU - Smith, M.

AU - Lapierre, A.

AU - Mané, E.

AU - Ringle, R.

AU - Ryjkov, V. L.

AU - Bacca, S.

AU - Delheij, P.

AU - Lunney, D.

AU - Pearson, M.

AU - Dilling, J.

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AB - Precise atomic mass determinations play a key role in various fields of physics, including nuclear physics, testing of fundamental symmetries and constants and atomic physics. Recently, the TITAN Penning trap measured the masses of several neutron halos. These exotic systems have an extended, diluted, matter distribution that can be modelled by considering a nuclear core surrounded by a halo formed by one or more of loosely bound neutrons. Combined with laser spectroscopy measurements of isotopic shifts precise masses can be used to obtain reliable charge radii and two-neutron-seperation energies for these halo nuclei. It is shown that these results can be used as stringent tests of nuclear models and potentials providing an important metric for our understanding of the interactions in all nuclei.

KW - Halo nuclei

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Precision mass measurements of neutron halo nuclei using the TITAN Penning trap

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Keywords

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