Transcription of LNE { LNHB/CEA { Table de Radionucl eides
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LNE { LNHB/CEA { Table de Radionucl eides
LNE LNHB/CEA Table de Radionucl eides9942Mo579942Mo571 Decay SchemeMo-99 disintegrates to the Tc-99 excited levels by beta minus 142 keV excited level (Tc-99m) has a half-life of 6,0067 h. At the equilibrium (t>60 h), the Tc-99mactivity in relation to those of Mn-99 is :Le molybd`ene 99 se d esint`egre par emission b eta moins vers les niveaux excit es de techn etium proportion p = 87,6 (19)% de d esint egrations conduit au niveau excit e de 142 keV (Tc-99m) de 6,0067heures de p eriode. Ce niveau excit e est aliment e directement par emission b eta moins (82,1 (15)) % et aussipar des transitions l equilibre (t>60 heures) l activit e de Tc-99m par rapport `a celle de Mo-99 s ecrit :A(Tc-99m) / A(Mo-99) = p T1/2(Mo-99) / [ T1/2(Mo-99) - T1/2(Tc-99m)] = 0,963(21)T1/2(Mo-99) / [T1/2(Mo-99) - T1/2(Tc-99m)] = 1,1005 (8)with p = 0,876(19)For this evaluation Mo-99 and Tc-99m are considered in equilibriumPour cette evaluation Mo-99 et Tc-99m sont consid er es `a l DataT1/2(99Mo ) : 2,7479(6)dT1/2(99Tc ): 211,5(11) 103aQ (99Mo ): 1357,2 (10) Transiti
LNE { LNHB/CEA { Table de Radionucl eides 99 42 Mo 57 99 42 Mo 57 1 Decay Scheme Mo-99 disintegrates to the Tc-99 excited levels by beta minus emissions. The 142 keV excited level (Tc-99m) has a half-life of 6,0067 h.
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