First penning-trap mass measurement of the exotic halo nucleus Li11

M. Smith; M. Brodeur; T. Brunner; S. Ettenauer; A. Lapierre; R. Ringle; V. L. Ryjkov; F. Ames; P. Bricault; G. W.F. Drake; P. Delheij; D. Lunney; F. Sarazin; J. Dilling

doi:10.1103/PhysRevLett.101.202501

First penning-trap mass measurement of the exotic halo nucleus Li11

M. Smith, M. Brodeur, T. Brunner, S. Ettenauer, A. Lapierre, R. Ringle, V. L. Ryjkov, F. Ames, P. Bricault, G. W.F. Drake, P. Delheij, D. Lunney, F. Sarazin, J. Dilling

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

177 Scopus citations

Abstract

In this Letter, we report a new mass for Li11 using the trapping experiment TITAN at TRIUMF's ISAC facility. This is by far the shortest-lived nuclide, t1/2=8.8ms, for which a mass measurement has ever been performed with a Penning trap. Combined with our mass measurements of Li8,9 we derive a new two-neutron separation energy of 369.15(65) keV: a factor of 7 more precise than the best previous value. This new value is a critical ingredient for the determination of the halo charge radius from isotope-shift measurements. We also report results from state-of-the-art atomic-physics calculations using the new mass and extract a new charge radius for Li11. This result is a remarkable confluence of nuclear and atomic physics.

Original language	English
Article number	202501
Journal	Physical Review Letters
Volume	101
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.101.202501
State	Published - Nov 14 2008
Externally published	Yes

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title = "First penning-trap mass measurement of the exotic halo nucleus Li11",

abstract = "In this Letter, we report a new mass for Li11 using the trapping experiment TITAN at TRIUMF's ISAC facility. This is by far the shortest-lived nuclide, t1/2=8.8ms, for which a mass measurement has ever been performed with a Penning trap. Combined with our mass measurements of Li8,9 we derive a new two-neutron separation energy of 369.15(65) keV: a factor of 7 more precise than the best previous value. This new value is a critical ingredient for the determination of the halo charge radius from isotope-shift measurements. We also report results from state-of-the-art atomic-physics calculations using the new mass and extract a new charge radius for Li11. This result is a remarkable confluence of nuclear and atomic physics.",

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doi = "10.1103/PhysRevLett.101.202501",

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T1 - First penning-trap mass measurement of the exotic halo nucleus Li11

AU - Smith, M.

AU - Brodeur, M.

AU - Brunner, T.

AU - Ettenauer, S.

AU - Lapierre, A.

AU - Ringle, R.

AU - Ryjkov, V. L.

AU - Ames, F.

AU - Bricault, P.

AU - Drake, G. W.F.

AU - Delheij, P.

AU - Lunney, D.

AU - Sarazin, F.

AU - Dilling, J.

PY - 2008/11/14

Y1 - 2008/11/14

N2 - In this Letter, we report a new mass for Li11 using the trapping experiment TITAN at TRIUMF's ISAC facility. This is by far the shortest-lived nuclide, t1/2=8.8ms, for which a mass measurement has ever been performed with a Penning trap. Combined with our mass measurements of Li8,9 we derive a new two-neutron separation energy of 369.15(65) keV: a factor of 7 more precise than the best previous value. This new value is a critical ingredient for the determination of the halo charge radius from isotope-shift measurements. We also report results from state-of-the-art atomic-physics calculations using the new mass and extract a new charge radius for Li11. This result is a remarkable confluence of nuclear and atomic physics.

AB - In this Letter, we report a new mass for Li11 using the trapping experiment TITAN at TRIUMF's ISAC facility. This is by far the shortest-lived nuclide, t1/2=8.8ms, for which a mass measurement has ever been performed with a Penning trap. Combined with our mass measurements of Li8,9 we derive a new two-neutron separation energy of 369.15(65) keV: a factor of 7 more precise than the best previous value. This new value is a critical ingredient for the determination of the halo charge radius from isotope-shift measurements. We also report results from state-of-the-art atomic-physics calculations using the new mass and extract a new charge radius for Li11. This result is a remarkable confluence of nuclear and atomic physics.

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DO - 10.1103/PhysRevLett.101.202501

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JO - Physical Review Letters

JF - Physical Review Letters

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ER -

First penning-trap mass measurement of the exotic halo nucleus Li11

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