1947
DOI: 10.1051/jphysrad:0194700809025700
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Sur la théorie générale des désintégrations électroniques

Abstract: Sommaire. 2014 Série d'articles qui donne une mise au point détaillée sur la théorie de la radioactivité des atomes, faisant intervenir des électrons positifs ou négatifs. Cette revue d'ensemble comportera, de plus, quelques contributions originales. Pour sauvegarder la symétrie de l'exposition nous étudierons la création e (dont il a déjà été question ici dans un précédent article, J. de Physique et Rad., 1947, 8, p. 238) au même titre que les autres phénomènes radioactifs. Il y a cependant lieu de se rappele… Show more

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“…But, according to the results of Cohen (1951) Il3In should decay by L capture with a very long lifetime; however according to the analysis of energy parabolae (Bouchez et al 1953 a) 113Cd might be a long-lived pemitter. Let us note that this stability region between pemission and K capture could also be reduced by e-creation (Daudel et al 1947), that is to say pemission in which the emitted electron remains bound to the atom and is created with an energy slightly less than It should be pointed out that if one considers two stable isobars, A even, with their atomic numbers 2 and 2 + 2 differing by two units, the intermediate isobar transforms (figure 4) both by pemission and by capture (Sizoo 1937) or fl+ emission if enough energy is available.…”
Section: 'mentioning
confidence: 98%
“…But, according to the results of Cohen (1951) Il3In should decay by L capture with a very long lifetime; however according to the analysis of energy parabolae (Bouchez et al 1953 a) 113Cd might be a long-lived pemitter. Let us note that this stability region between pemission and K capture could also be reduced by e-creation (Daudel et al 1947), that is to say pemission in which the emitted electron remains bound to the atom and is created with an energy slightly less than It should be pointed out that if one considers two stable isobars, A even, with their atomic numbers 2 and 2 + 2 differing by two units, the intermediate isobar transforms (figure 4) both by pemission and by capture (Sizoo 1937) or fl+ emission if enough energy is available.…”
Section: 'mentioning
confidence: 98%
“…While the 205 Pb decays to 205 Tl via electron capture with a halflife of 1.7 × 10 7 yr in laboratory conditions, the electron capture is accelerated in s-process conditions by the thermal populations of low-lying nuclear excited states [21]. Moreover, the 205 Tl, when highly ionized, undergoes the so-called bound-state β − -decay to 205 Pb [21][22][23][24]. With the nuclear physics and astrophysics behind, the 205 Pb-205 Tl chronometer may determine the time span between the last nucleosynthetic events that modified the composition of the solar nebula and the formation of the solar system solid bodies [24].…”
Section: Introductionmentioning
confidence: 99%