First observation of spontaneous fission and search for cluster decay of Th232

R. Bonetti; C. Chiesa; A. Guglielmetti; R. Matheoud; G. Poli; V. L. Mikheev; S. P. Tretyakova

doi:10.1103/PhysRevC.51.2530

First observation of spontaneous fission and search for cluster decay of Th232

R. Bonetti, C. Chiesa, A. Guglielmetti, R. Matheoud, G. Poli, V. L. Mikheev, S. P. Tretyakova

Fondazione IRCCS Istituto Nazionale dei Tumori

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

Abstract

We present results of a long-term search for cluster (neon) decay and spontaneous fission of Th232 performed at Gran Sasso Underground Laboratory with nuclear track detectors. We found a lower limit for the partial half-life for Ne24-26 decay, T1/2>1.57×1029 s and a partial half-life for spontaneous fission T1/2=3.84×1028 s=1.22×1021 yr. These results are compared with the available theoretical predictions and the experimental systematics for cluster decay and spontaneous fission.

Original language	English
Pages (from-to)	2530-2533
Number of pages	4
Journal	Physical Review C
Volume	51
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevC.51.2530
Publication status	Published - 1995

ASJC Scopus subject areas

Physics and Astronomy(all)
Nuclear and High Energy Physics

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author = "R. Bonetti and C. Chiesa and A. Guglielmetti and R. Matheoud and G. Poli and Mikheev, {V. L.} and Tretyakova, {S. P.}",

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T1 - First observation of spontaneous fission and search for cluster decay of Th232

AU - Bonetti, R.

AU - Chiesa, C.

AU - Guglielmetti, A.

AU - Matheoud, R.

AU - Poli, G.

AU - Mikheev, V. L.

AU - Tretyakova, S. P.

PY - 1995

Y1 - 1995

N2 - We present results of a long-term search for cluster (neon) decay and spontaneous fission of Th232 performed at Gran Sasso Underground Laboratory with nuclear track detectors. We found a lower limit for the partial half-life for Ne24-26 decay, T1/2>1.57×1029 s and a partial half-life for spontaneous fission T1/2=3.84×1028 s=1.22×1021 yr. These results are compared with the available theoretical predictions and the experimental systematics for cluster decay and spontaneous fission.

AB - We present results of a long-term search for cluster (neon) decay and spontaneous fission of Th232 performed at Gran Sasso Underground Laboratory with nuclear track detectors. We found a lower limit for the partial half-life for Ne24-26 decay, T1/2>1.57×1029 s and a partial half-life for spontaneous fission T1/2=3.84×1028 s=1.22×1021 yr. These results are compared with the available theoretical predictions and the experimental systematics for cluster decay and spontaneous fission.

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