Cluster decay and spontaneous fission of 232Th

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

Research output: Contribution to journalArticlepeer-review


The cluster decay and spontaneous fission of 232Th are measured with a polyethyleneterephthalate track detectors in the Gran Sasso underground laboratory. The lower limit on the partial half-life for the most probable 26Ne cluster decay is found: T1/2cl > 5 × 1021 yr (a 90% confidence level). Spontaneous fission with partial half-life T1/2sf = (1.2+0.5 -0.3) × 1021 yr is recorded.

Original languageEnglish
Pages (from-to)43-46
Number of pages4
JournalPhysics of Atomic Nuclei
Issue number1
Publication statusPublished - Jan 1996

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics


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