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Direct mass measurement of the four-neutron halo nuclide He8

Publication ,  Journal Article
Ryjkov, VL; Brodeur, M; Brunner, T; Smith, M; Ringle, R; Lapierre, A; Ames, F; Bricault, P; Dombsky, M; Delheij, P; Lunney, D; Pearson, MR; Dilling, J
Published in: Physical Review Letters
July 1, 2008

A high-precision Penning trap mass measurement of the exotic He8 nuclide (T1/2=119ms) has been carried out resulting in a reduction of the uncertainty of the halo binding energy by over an order of magnitude. The new mass, determined with a relative uncertainty of 9.2×10-8 (δm=690eV) is 13 keV less bound than the previously accepted value. The mass measurement is of great relevance for the recent charge-radius measurement of He8. The He8 mass is the first result from the newly-commissioned Penning trap: TITAN (TRIUMF's Ion Trap for Atomic and Nuclear science) at the ISAC (Isotope Separator and Accelerator) radioactive beam facility at TRIUMF. © 2008 The American Physical Society.

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Published In

Physical Review Letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

July 1, 2008

Volume

101

Issue

1

Related Subject Headings

  • General Physics
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Ryjkov, V. L., Brodeur, M., Brunner, T., Smith, M., Ringle, R., Lapierre, A., … Dilling, J. (2008). Direct mass measurement of the four-neutron halo nuclide He8. Physical Review Letters, 101(1). https://doi.org/10.1103/PhysRevLett.101.012501
Ryjkov, V. L., M. Brodeur, T. Brunner, M. Smith, R. Ringle, A. Lapierre, F. Ames, et al. “Direct mass measurement of the four-neutron halo nuclide He8.” Physical Review Letters 101, no. 1 (July 1, 2008). https://doi.org/10.1103/PhysRevLett.101.012501.
Ryjkov VL, Brodeur M, Brunner T, Smith M, Ringle R, Lapierre A, et al. Direct mass measurement of the four-neutron halo nuclide He8. Physical Review Letters. 2008 Jul 1;101(1).
Ryjkov, V. L., et al. “Direct mass measurement of the four-neutron halo nuclide He8.” Physical Review Letters, vol. 101, no. 1, July 2008. Scopus, doi:10.1103/PhysRevLett.101.012501.
Ryjkov VL, Brodeur M, Brunner T, Smith M, Ringle R, Lapierre A, Ames F, Bricault P, Dombsky M, Delheij P, Lunney D, Pearson MR, Dilling J. Direct mass measurement of the four-neutron halo nuclide He8. Physical Review Letters. 2008 Jul 1;101(1).

Published In

Physical Review Letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

July 1, 2008

Volume

101

Issue

1

Related Subject Headings

  • General Physics
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences