Precise determination of the shape of the twice forbidden beta spectrum of 137Cs

Hsue, S.T.; Langer, Lawrence M.; Tang, S.M.

doi:10.1016/0029-5582(66)90289-6

Cited by 23 publications

(12 citation statements)

References 8 publications

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“…For 137 Cs → 137 Ba (g.s., 5.3%, ∆J ∆π = 2 + , 2 FNU) the correction factor is C(E) = 1 + a 1 /W + a 2 W + a 3 W 2 with a 1 = 0, a 2 = −0.6060315, a 3 = 0.0921520 as measured in Ref. [214].…”

Section: The Shapes Of β Spectramentioning

confidence: 80%

“…39 Ar, 42 Ar/ 42 K in DarkSide [173]). While in the above-mentioned cases β decays constitute one of the main features in the measured spectra, other single β decays create not so large, but noticeable, backgrounds in many experiments: 40 K, 90 Sr/ 90 Y, 137 Cs, 214 Bi and others. Quite often their energy spectra have not-allowed shape and are classified as forbidden (unique or non-unique), and sometimes they are not well studied.…”

Section: The Rare β Decaysmentioning

confidence: 99%

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Experimental searches for rare alpha and beta decays

et al. 2019

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The current status of the experimental searches for rare alpha and beta decays is reviewed. Several interesting observations of alpha and beta decays, previously unseen due to their large half-lives (10 15 − 10 20 yr), have been achieved during the last years thanks to the improvements in the experimental techniques and to the underground locations of experiments that allows to suppress backgrounds. In particular, the list includes first observations of alpha decays of 151 Eu, 180 W (both to the ground state of the daughter nuclei), 190 Pt (to excited state of the daughter nucleus), 209 Bi (to the ground and excited states of the daughter nucleus). The isotope 209 Bi has the longest known half-life of T 1/2 ≈ 10 19 yr relatively to alpha decay. The beta decay of 115 In to the first excited state of 115 Sn (Eexc = 497.334 keV), recently observed for the first time, has the Q β value of only (147 ± 10) eV, which is the lowest Q β value known to-date. Searches and investigations of other rare alpha and beta decays ( 48 Ca, 50 V, 96 Zr, 113 Cd, 123 Te, 178m2 Hf, 180m Ta and others) are also discussed.

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Section: The Shapes Of β Spectramentioning

confidence: 80%

Section: The Rare β Decaysmentioning

confidence: 99%

Experimental searches for rare alpha and beta decays

et al. 2019

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“…For 40 K → 40 Ca (g.s., 89.28%, [13]. For 137 Cs → 137 Ba (g.s., 5.3%, ∆J ∆π = 2 + , 2 FNU) corection factor is C(E) = 1 +a 1 /W +a 2 W +a 3 W 2 with a 1 = 0, a 2 = −0.6060315, a 3 = 0.0921520 measured in [14].…”

Section: Shapes Of Beta Spectramentioning

confidence: 99%

“…Interest to β decays increased during last time because sometimes they create significant backgrounds in searches for and investigations of rare effects, like solar neutrinos (e.g. 14 C in Borexino [2]), double beta (2β) decay (e.g. 39 Ar, 42 Ar/ 42 K in GERDA [3]) or dark matter experiments, especially based on Ar (e.g.…”

Section: Introductionmentioning

confidence: 99%

Beta decays in investigations and searches for rare effects

Tretyak¹

2017

AIP Conference Proceedings

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Current status of experimental investigations of rare single beta decays (48Ca, 50V, 96Zr, 113Cd, 113mCd, 115In, 123Te, 180mTa, 222Rn) is reviewed. Nuclei which decay through single beta decay very often constitute backgrounds in studies of rare effects like double beta decay, solar neutrinos or dark matter. Summary of correction factors used in description of forbidden beta decays is also briefly given.Comment: 4 pages, contribution to the MEDEX'2017 conference, one more acknowledgment adde

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“…Uma possibilidade a ser considerada é o uso de baixas doses de radiação ionizante como estratégia para interromper a proliferação celular, sem interferir em sua capacidade secretória. Alterações no padrão de crescimento e parada de ciclo celular são respostas celulares comuns ao estresse genotóxico decorrente de radiação ionizante (Fornace AJ Jr, 1992 (Hsue ST et al, 1966 ; Fig. AII-1).…”

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Aplicação diagnóstica e terapêutica de um novo anticorpo anti-FGF2 em processos de angiogênese em melanoma experimental

Aguiar¹

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Precise determination of the shape of the twice forbidden beta spectrum of 137Cs

Cited by 23 publications

References 8 publications

Experimental searches for rare alpha and beta decays

Experimental searches for rare alpha and beta decays

Beta decays in investigations and searches for rare effects

Aplicação diagnóstica e terapêutica de um novo anticorpo anti-FGF2 em processos de angiogênese em melanoma experimental

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