Elenco Sorgenti – Servizio di Fisica Sanitaria e Medicina del Lavoro

Radionuclide	Matricola	Decadimento	Emissione	Attività iniziale [MBq]	Data certificato	T 1/2 [anni]	Attività a oggi [MBq]	Note
Am 241	5054LA	SF	X energia variabile	370	1984-06-01	432.6	346.126438042	α su targhette
Am 241	AK-8922	SF	α,γ	0.000488	2019-02-14	432.6	0.00048261790285792	elettrodepositata
Co 57	SH 458	ec	γ	3.79	2009-11-01	0.74	9.6617768536643E-7
Co 60	2920	β-	γ	9.805	1968-07-03	5.27	0.0050660063219576
Co 60	2702	β-	γ	1924	1966-10-22	5.27	0.79516774091505
Eu 152	7D225	ec, β+, β-	γ	0.039803	1988-11-01	13.53	0.0059164752441423
Fe 55	AF-9168	ec	X	740	2015-08-31	2.74	53.566211082039
Fe 55	1752 LE	ec	X	370	1984-11-28	2.744	0.011364195148788
Sr 90	2763 BB	β-	β-	37	1992-04-29	28.79	16.430429140629	schermata
Sr 90	E1344E	β-	β-	3.7	1994-02-18	28.79	1.7161029308813	schermata
Sr 90	E1345E	β-	β-	3.7	1994-02-18	28.79	1.7161029308813	schermata
Na 22	AL-2125	β+	γ annichilazione	0.0128	2018-01-01	2.6	0.0015003185607366
Na 22	MS926	β+	γ annichilazione	0.341	2004-09-01	2.6	0.0011427258644952
Tc 99	1748-48	β-	β-	0.0387	2014-08-01	210000	0.03869853603799
Cs 137	0006/02	β-	γ (662 keV)	1395	2002-12-03	30.17	820.10575277996	utilizzabile nel pantografo schermato dell'Ed. 48
Multipicco	AM-8280		γ	-	2019-02-01	-	vedere certificato	Am-241, Cd-109, Co-57, Ce-139, Hg-203, Sn-113, Sr-85, Cs-137, Y-88, Co-60
Am 241	MS917*	SF	γ	0.0411	2004-09-01	432.6	0.039716207998798
Ba-133	MS918*	ec	γ	0.0407	2004-09-01	10.55	0.0099928197815742
Cs 137	MS919*	β-	γ (662 keV)	0.0415	2004-09-01	30.17	0.025396444605713
Co 57	MS920*	ec	γ	0.0401	2004-09-01	0.74	8.0883109120108E-11
Co 60	MS921*	β-	γ	0.0396	2004-09-01	5.27	0.0023808123136382
Hg-203	MS922*	β-	γ	0.0834	2004-09-01	0.13	2.6602326373176E-51
Mn-54	MS923*	ec, β+, β-	γ	0.0438	2004-09-01	0.855	1.3053562075539E-9
Na 22	MS924*	β+	γ annichilazione	0.0378	2004-09-01	2.6	0.00012667166474463
Y-88	MS925*	ec, β+	γ	0.0375	2004-09-01	0.29	2.4325329327751E-24

*Per richiedere in prestito l’intero set di sorgenti, selezionare la matricola MS9XX come risorsa su https://booking.dsi.infn.it/

α: alpha particle emission (4He nucleus)
β+: emission of an anti-electron and a neutrino. A proton inside the nucleus is transformed into a neutron
β-: emission of an electron and an anti-neutrino. A neutron inside the nucleus is transformed into a proton
ec: electron capture: capture of one orbital electron by the the nucleus. A proton inside the nucleus is transformed into a neutron plus a neutrino
SF: Spontaneous Fission: a nucleus spontaneously splits into fragment nuclides
IT: Isomeric Transition: a level above the ground state decays via electromagnetic process
n: neutron emission
p: proton emission
β- n (and similar): beta- decay followed by delayed neutron emission