| ICRP_07.NDX {RadData} | R Documentation |
Radionuclide Data Index
Description
The index file from ICRP-107 Nuclear Decay Data for Dosimetric Calculations
Usage
ICRP_07.NDX
Format
A tibble with 32 variables, 31 original variables from ICRP, plus the derived decay_constant variable.
RN Name of nuclide; e.g. Am-241, Tc-99m
half_life Half-life of nuclide. Caution - units vary.
units Half-life units: ls, microsecond; ms, millisecond; s, second; m, minute; d, day; y, year
decay_mode A, alpha; B-, beta minus; B+, beta plus; EC, electron capture; IT, isomeric transition; SF, spontaneous fission
pointer_rad Not functional. Originally, location of nuclide in the ICRP_07.RAD file
pointer_bet Not functional. Originally, location of nuclide in ICRP_07.BET file
pointer_ack Not functional. Originally, location of nuclide in ICRP_07.ACK file
pointer_nsf Not functional. Originally, location of nuclide in ICRP_07.NSF file
progeny_1 Radioactive progeny number 1
pointer_1 Location of progeny number 1 in RN dataset
branch_1 Branching fraction to progeny number 1
progeny_2 Radioactive progeny number 2
pointer_2 Location of progeny number 2 in RN dataset
branch_2 Branching fraction to progeny number 2
progeny_3 Radioactive progeny number 3
pointer_3 Location of progeny number 3 in RN dataset
branch_3 Branching fraction to progeny number 3
progeny_4 Radioactive progeny number 4
pointer_4 Location of progeny number 4 in RN dataset
branch_4 Branching fraction to progeny number 4
E_alpha Energy of alpha emissions (MeV/nuclear transformation)
E_electron Energy of electrons, including beta (MeV/nuclear transformation)
E_photon Energy of photon emission (MeV/nuclear transformation)
num_phot_lt_10k Number of photons of energy less than 10 keV
num_phot_gt_10k Number of photons of energy greater than 10 keV
num_betas Number of beta transitions
num_mono_e Number of mono-energetic electrons
num_alpha Number of alpha transitions
AMU Atomic mass of radionuclide (Audi et al., 2003)
air_kerma_rate_const Air-kerma rate constant (Gy-m^2/Bq s)
air_kerma_coef Point source air-kerma coefficient (Gy-m^2/Bq s)
decay_constant Decay constant in inverse seconds.