proposal inclusion of absolute atomic radiation energies and emission probabilities in decay data...
DESCRIPTION
Tibor Kibèdi, Dep. of Nuclear Physics, Australian National UniversityNSDD April 2015, IAEA, Vienna Notation CommentX-raysAuger electrons Notation: from IUPAC International Union of Pure and Applied Chemistry Based on initial and final atomic levels involved K-L 3 K-L 1 -L 2 Group sub-shells to reduce number of transitions Summed decay rates Use the mean transition energy for the group L (for L 1 -M 2, … L 3 -O 4 ) But not for K K 1 for K-L 3 K 2 for K-L 2 K for K-M 3 &K- M 2 KLL (for K-L 1 -L 1, … K-L 3 -L 3 ) KLX (X=M 1 ….,N 1 ….) KXY (X&Y=M 1 ….,N 1 ….)TRANSCRIPT
ProposalInclusion of absolute atomic
radiation energies and emission probabilities in decay data sets
Tibor Kibèdi (ANU) and Filip Kondev (ANL)
Tibor Kibèdi, Dep. of Nuclear Physics, Australian National University NSDD April 2015, IAEA, Vienna
Tibor Kibèdi, Dep. of Nuclear Physics, Australian National University NSDD April 2015, IAEA, Vienna
Atomic Data in ENSDFBrIccEmis (Dec-2014)
Transition energies: Auger 300 k of 453 typesX-ray: 17.4 k of 55 types
Need to Contain energy and intensity for
the users Readable by computer codes Use standard notation
Tibor Kibèdi, Dep. of Nuclear Physics, Australian National University NSDD April 2015, IAEA, Vienna
Notation
Comment X-rays Auger electronsNotation: from IUPAC
International Union of Pure and Applied Chemistry
Based on initial and final atomic levels involved
K-L3 K-L1-L2
Group sub-shells to reduce number of transitions
Summed decay rates Use the mean transition energy
for the group
L (for L1-M2, … L3-O4)
But not for KKa1 for K-L3
Ka2 for K-L2
Kb for K-M3&K-M2
KLL(for K-L1-L1, … K-L3-L3)
KLX (X=M1….,N1….)
KXY (X&Y=M1….,N1….)
Tibor Kibèdi, Dep. of Nuclear Physics, Australian National University NSDD April 2015, IAEA, Vienna
111CDSAD AKtot=20.298 [0.1526 23]$AKLL=19.223 [0.1058 17]$AKLX=22.464 [0.0428 25]$ ...111CDSXD Xtot=10.843 [1.855 17]$XKtot=23.706 [0.836 34]$XKL2=23.058 [0.2415 12]$ ...111CD L 0.0 1/2+ STABLE New ENSDF record type “D” (col. 8) and “S” (col. 6) with “A”
(Auger) and “X” (X-ray) in column 7; 16 records for 111In Only appears in DECAY data sets just before the ground state level
record Each entry: (a) Radiation group (“Aktot=“); (b) Mean energy in keV;
(c) Intensity (on the same scale as gammas; “[RI DRI]”) Intensities cut off: 0.0001/decay Detailed spectra (list and figure) stored on the ENSDF file server Uncertainties: need further study how to deduce
Inclusion of atomic relaxation data into ENSDF
Tibor Kibèdi, Dep. of Nuclear Physics, Australian National University
Correlation between energy deposition and molecular damage from Auger electrons
8-Dec-2014, IAEA CRP
A case study of ultra-low energy (5–18 eV) electron interactions with DNAM. Rezaee, D.J. Hunting, L. Sanche, Univ. de Sherbrooke, Sherbrooke, Québec, CanadaMed. Phys. 41 (2014) 072502
Nanodosimetric model (V=4.3 nm3!) based on the medical internal radiation dose (MIRD) schema (M. Michaud et al. Phys. Rev E 87 (2013) 032701)
0 5 10 15 200.0
0.2
0.4
0.6
0.8
1.0
2014Rezaee (isolated atom)BrIccEmis (isolated atom)BrIccEmis (fast neutralisation)
Eo [eV]
N(E
o)
N(5-18 eV) per 125I EC
decay
1.22.48.4
Tibor Kibèdi, Dep. of Nuclear Physics, Australian National University NSDD April 2015, IAEA, Vienna
Inclusion of atomic relaxation data into ENSDF
# Auger electron spectrum calculated with BrIccEmis (23-Sep-2012)# 2012Le09 - B.Q. Lee, T. Kibédi, A.E. Stuchbery, K.A. Robertson, Comput. Math. Meth. Med. (2012) 651475.# ENSDF file: 111In_EC.ens# Number of MC events: 1.00E+06# Energy [eV] Prob/Decay Transition 0.2564314665505663E-02 0.2000000E-05 N3 O1 O1 0.3382129158126190E-02 0.2000000E-05 M3 M4 N2 0.8580056135542691E-02 0.1000000E-05 N1 N4 N4 0.1006155717186630E-01 0.1300000E-04 M3 M5 N3 0.1251549087464809E-01 0.1000000E-05 M3 M4 N3 0.1370093508739956E-01 0.3000000E-05 N1 O1 O1 0.1575733287609182E-01 0.1000000E-05 M1 M3 N2 0.1615695515647531E-01 0.1600000E-04 N3 N5 O1 0.1823203373351134E-01 0.6000000E-05 M3 M5 N3 0.1938508616876788E-01 0.2000000E-05 M3 M5 N3 0.2405271388124675E-01 0.1000000E-05 N1 N5 N5 0.2876172141986899E-01 0.1000000E-05 M3 M4 N3 0.2945651562185958E-01 0.2000000E-05 M3 M5 N3 0.2977057074895129E-01 0.3000000E-05 M3 M5 N3 0.3186989165260457E-01 0.2000000E-04 N1 N4 N4 0.3758543072035536E-01 0.4000000E-05 N1 N5 N5 0.3957409400027245E-01 0.1800000E-03 N3 N4 O1 0.4244740249123424E-01 0.2000000E-05 M3 M5 N3
Auger electron energy spectrum
for plotting & input for MC simulations
Tibor Kibèdi, Dep. of Nuclear Physics, Australian National University NSDD April 2015, IAEA, Vienna
71GES G KC=169.5 $LC=32.7 $MC=5.03$
S_G records
71GES G KC=12.33 [169.5 25]$LC=22.07 [32.7 5]$MC=23.27 [5.03 8]$
Current record created by BrIcc
Modified records, ICC ratios not changed
Energy ICC DICC