Some New Activities Produced by Fast Neutron Bombardments

Takahashi, K.; Kuroyanagi, T.; Yuta, H.; Kotajima, K.; Nagatani, K.; Morinaga, H.

doi:10.1143/jpsj.16.1664

Cited by 64 publications

(19 citation statements)

References 6 publications

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“…The half-life of 76 Ga has been measured four times in the past: Ref. [40] used fast neutron bombardment on natural Ge to produce 76 Ga via a (n,p) reaction, and obtained a halflife of 32 (3) and simulated (red, dashed-dotted line) spectra using the existing decay scheme [37] to illustrate the discrepancy with the measurements reported in the present work. The spectra are (a) the TAS spectrum, (b) sum-of-segments spectrum, and (c) multiplicity spectrum.…”

Section: A Half-lifementioning

confidence: 58%

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Total absorption spectroscopy of theβdecay ofGa76

et al. 2016

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The β decay of 76 Ga was studied using the technique of total absorption spectroscopy for the first time. The experiment was performed at the National Superconducting Cyclotron Laboratory using the Summing NaI(Tl) detector. The extracted β-decay feeding intensity distribution and GamowTeller transition strength distribution are compared to shell-model calculations to help constrain nuclear matrix elements relevant to the neutrinoless double-β decay of 76 Ge.

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Section: A Half-lifementioning

confidence: 58%

“…The high voltage was adjusted until the 1460.8 keV γ ray from the decay of 40 K that is present in room background appeared at the same channel number for each PMT. Then the PMTs and segments of SuN were further gain matched and calibrated, respectively, in software with the following procedure.…”

Section: Discussionmentioning

confidence: 99%

Total absorption spectroscopy of theβdecay ofGa76

et al. 2016

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“…Whereas isomeric states are known in other odd-odd lutetium isotopes [17], the available data on the occurrence of a short-lived isomeric state in ~8~ [27][28][29][30] are contradictory.…”

Section: Discussionmentioning

confidence: 99%

Measurement of the?-decay branch in180Lu to180m Hf for Investigation of the r-process nucleosynthesis of180m Ta

et al. 1984

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The/?-decay branch of aS~ to ls~ is measured by an integral method tracing the amount of lS~ daughter activity, to be 0.46 (15)%. Samples of lS~ are wepared by on-line mass separation of 136Xe-on-tungsten transfer reaction products. The amount of isobaric ~8~ in the samples is strongly suppressed by the employed separator ion source; its directly produced fraction is derived from comparison with 177mHf activity. The properties of lutetium and hafnium release from the ion source are separately determined. With this measurement r-process nucleosynthesis is estimated to account for at most 22% of the solar 18~ abundance.

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“…This energy had also been reported earlier [4], however, no specific element assignment was made. A previous 1-2 min half-life assigned to 111 Ru [177] was evidently incorrect. 113 Ru, and 113 Rh" [149].…”

Section: Rumentioning

confidence: 99%

“…Finally, the half-life of 105 Ru was first incorrectly assigned to 103 Ru; 111 Ru, and 113 Ru were misidentified; and the half-lives of 103 Ru and 106,107 Ru were reported before a mass assignment was possible.…”

Section: Rumentioning

confidence: 99%