Half-life, branching-ratio, and Q-value measurement for the superallowed 0(+) -> 0(+)beta(+) emitter Ti-42
- KURTUKIAN NIETO, T.
- SOUIN, J.
- ERONEN, T.
- AUDIRAC, L.
- AYSTO, J.
- BLANK, Bertram
- ELOMAA, V.V.
- GIOVINAZZO, J.
- HAGER, U.
- HAKALA, J.
- JOKINEN, A.
- KANKAINEN, A.
- KARVONEN, P.
- KESSLER, T.
- MOORE, I.D.
- PENTTILA, H.
- RAHAMAN, S. M. Wahidur
- REPONEN, M.
- RINTA-ANTILA, S.
- RISSANEN, J.
- SAASTAMOINEN, A.
- SONODA, T.
- WEBER, C.
DOIAbstract
The half-life, the branching ratio, and the decay Q value of the superallowed beta emitter Ti-42 were measured in an experiment performed at the JYFLTRAP facility of the Accelerator Laboratory of the University of Jyvaskyla. Ti-42 is the heaviest T-z = -1 nucleus for which high-precision measurements of these quantities have been tried. The half-life (T-1/2 = 208.14 +/- 0.45 ms) and the Q value [Q(EC) = 7016.83(25) keV] are close to or reach the required precision of about 0.1%. The branching ratio for the superallowed decay branch [BR = 47.7(12)%], a by-product of the half-life measurement, does not reach the necessary precision yet. Nonetheless, these results allow one to determine the experimental ft value and the corrected Ft value to b...
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