Precision half-life determination of a mirror β transition: The decay of 31S - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles European Physical Journal A Year : 2012

Precision half-life determination of a mirror β transition: The decay of 31S

A. Bacquias
  • Function : Author
T. Kurtukian Nieto
P. Ascher
L. Audirac
  • Function : Author
J. Aysto
  • Function : Author
Bertram Blank
V.-V. Elomaa
  • Function : Author
T. Eronen
  • Function : Author
J. Giovinazzo
J. Hakala
  • Function : Author
A. Jokinen
  • Function : Author
A. Kankainen
  • Function : Author
P. Karvonen
  • Function : Author
V.S. Kolhinen
  • Function : Author
I.D. Moore
  • Function : Author
S. M. Wahidur Rahaman
  • Function : Author
M. Reponen
  • Function : Author
J. Rissanen
  • Function : Author
A. Saastamoinen
  • Function : Author
J. Souin
  • Function : Author

Abstract

The half-life of the mirror β decay of 31S has been measured at the IGISOL facility at the University of Jyv¨askyl¨a. The value obtained is T1/2(31S) = (2553.4 ± 1.8) ms, in agreement with previous measurements, but with a precision that is better by a factor of ten than the literature value previously adopted. When the new result is combined with the QEC value measured recently at JYFLTRAP, a precision of better than 10 −3 is obtained for the ft value.

Dates and versions

in2p3-00772221 , version 1 (10-01-2013)

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Cite

A. Bacquias, T. Kurtukian Nieto, P. Ascher, L. Audirac, J. Aysto, et al.. Precision half-life determination of a mirror β transition: The decay of 31S. European Physical Journal A, 2012, 48, pp.155. ⟨10.1140/epja/i2012-12155-9⟩. ⟨in2p3-00772221⟩

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