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Beta-decay experiments of neutral atoms in a magneto-optical trap

Publication ,  Journal Article
Dilling, J; Behr, JA; Gorelov, A; Swanson, T; Häusser, O; Melconian, D; Jackson, KP; Trinczek, M; Giesen, U; D'Auria, JM
Published in: Hyperfine Interactions
December 1, 1998

Magneto optical traps (MOT) allow the cooling and storing of neutral atoms in a volume of a few cubic millimeters by use of laser beams and a magnetic field. Such devices offer new and exciting opportunities for precision measurements of radioactive isotopes. Here we present experiments performed with a double-MOT system coupled to the on-line separator TISOL at TRIUMF/Vancouver, Canada. For the first time, the β-decay of free atoms stored in such a device could be observed. We report on coincidence measurements between beta-particles and the argon recoils in the decay of 37K and 38mK. The charge state ratios of the recoil-ions were deduced by Time-Of-Flight separation in an acceleration field. The final goal of those investigations is a precision test of the Standard Model by measuring the β-ν-correlation parameter α.

Duke Scholars

Published In

Hyperfine Interactions

ISSN

0304-3843

Publication Date

December 1, 1998

Volume

115

Issue

1-4

Start / End Page

159 / 164

Related Subject Headings

  • General Physics
  • 0204 Condensed Matter Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
 

Citation

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Dilling, J., Behr, J. A., Gorelov, A., Swanson, T., Häusser, O., Melconian, D., … D’Auria, J. M. (1998). Beta-decay experiments of neutral atoms in a magneto-optical trap. Hyperfine Interactions, 115(1–4), 159–164.
Dilling, J., J. A. Behr, A. Gorelov, T. Swanson, O. Häusser, D. Melconian, K. P. Jackson, M. Trinczek, U. Giesen, and J. M. D’Auria. “Beta-decay experiments of neutral atoms in a magneto-optical trap.” Hyperfine Interactions 115, no. 1–4 (December 1, 1998): 159–64.
Dilling J, Behr JA, Gorelov A, Swanson T, Häusser O, Melconian D, et al. Beta-decay experiments of neutral atoms in a magneto-optical trap. Hyperfine Interactions. 1998 Dec 1;115(1–4):159–64.
Dilling, J., et al. “Beta-decay experiments of neutral atoms in a magneto-optical trap.” Hyperfine Interactions, vol. 115, no. 1–4, Dec. 1998, pp. 159–64.
Dilling J, Behr JA, Gorelov A, Swanson T, Häusser O, Melconian D, Jackson KP, Trinczek M, Giesen U, D’Auria JM. Beta-decay experiments of neutral atoms in a magneto-optical trap. Hyperfine Interactions. 1998 Dec 1;115(1–4):159–164.
Journal cover image

Published In

Hyperfine Interactions

ISSN

0304-3843

Publication Date

December 1, 1998

Volume

115

Issue

1-4

Start / End Page

159 / 164

Related Subject Headings

  • General Physics
  • 0204 Condensed Matter Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics