Computer Programs

NAME, COMPUTER, PROBLEM, CPU, AUXILIARIES, STATUS, REFERENCES, LANGUAGE, AUTHOR, MATERIAL, CATEGORIES

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Program name | Package id | Status | Status date |
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ZZ-DECAYREM/C | DLC-0030/01 | Tested | 01-OCT-1979 |

Machines used:

Package ID | Orig. computer | Test computer |
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DLC-0030/01 | IBM 370 series | IBM 370 series |

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3. DESCRIPTION

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FORMAT: EXREM III

NUMBER OF GROUPS: --

NUCLIDES: radioactive decay data on 252 nuclides: 1H-3, 4Be-7, 6C-11, 6C-14, 7N-13, 8O-15, 9F-18, 11Na-22, 11Na-24, 12Mg-28, 13Al-28, 15P-32, 15P-33, 16S-35, 17Cl-36, 17Cl-38, 18A-37, 18A-39, 19K-40, 19K-42, 19K-43, 20Ca-45, 20Ca-47, 20Ca-49, 21Sc-46, 21Sc-47, 21Sc-49, 24Cr-51, 25Mn-52M, 25Mn-52, 25Mn-54, 26Fe-52, 26Fe-55, 26Fe-59, 27Co-56, 27Co-57, 27Co-58, 27Co-60, 28Ni-56, 28Ni-63, 29Cu-64, 30Zn-65, 30Zn-69M, 30Zn-69, 31Ga-67, 31Ga-68, 32Ge-77, 33As-76, 33As-77, 34Se-75, 35Br-80M, 35Br-80, 35Br-82, 35Br-83, 35Br-84, 36Kr-79, 36Kr-83M, 36Kr-85M, 36Kr-85, 36Kr-87, 36Kr-88, 37Rb-84, 37Rb-86, 37Rb-87, 37Rb-88, 37Rb-89, 37Rb-90M, 37Rb-90, 38Sr-85, 38Sr-87M, 38Sr-89, 38Sr-90, 38Sr-91, 38Sr-92, 38Sr-93, 39Y-87, 39Y-88, 39Y-90, 39Y-91M, 39Y-91, 39Y-92, 39Y-93, 40Zr-93, 41Nb-93M, 40Zr-95, 40Zr-97, 41Nb-95M, 41Nb-95, 41Nb-97M, 41Nb-97, 42Mo-99, 43Tc-99M, 43Tc-99, 44Ru-103, 44Ru-105, 44Ru-106, 45Rh-103M, 45Rh-105M, 45Rh-105, 45Rh-106, 46Pd-103, 47Ag-110M, 47Ag-110, 47Ag-111, 48Cd-111M, 48Cd-113M, 48Cd-115M, 49In-113M, 49In-114M, 49In-114, 49In-115M, 49In-115, 50Sn-113, 50Sn-119M, 50Sn-123, 50Sn-125, 51Sb-122, 51Sb-124, 51Sb-125, 51Sb-127, 51Sb-129, 52Te-123M, 52Te-123, 52Te-125M, 52Te-127M, 52Te-127, 52Te-129M, 52Te-129, 52Te-131M, 52Te-131, 52Te-132, 53I-123, 53I-124, 53I-125, 53I-126, 53I-129, 53I-130, 53I-131, 53I-132, 53I-133, 53I-134, 53I-135, 53I-136, 54Xe-131M, 54Xe-133M, 54Xe-133, 54Xe-135M, 54Xe-135, 54Xe-137, 54Xe-138, 55Cs-134, 55Cs-135, 55Cs-136, 55Cs-137, 55Cs-138, 55Cs-139, 56Ba-133, 56Ba-137M, 56Ba-139, 56Ba-140, 57La-140, 58Ce-141, 58Ce-143, 58Ce-144, 59Pr-143, 59Pr-144M, 59Pr-144, 60Nd-147, 61Pm-147, 61Pm-148M, 61Pm-148, 62Sm-151, 63Eu-154, 63Eu-155, 63Eu-156, 64Gd-162, 65Tb-160, 65Tb-162, 73Ta-182, 74W-185, 74W-187, 75Re-187, 79Au-195M, 79Au-195, 79Au-198, 79Au-199, 80Hg-197, 80Hg-203, 81Tl-204, 81Tl-207, 81Tl-208, 81Tl-209, 81Tl-210, 82Pb-204M, 82Pb-209, 82Pb-210, 82Pb-211, 82Pb-212, 82Pb-214, 83Bi-210, 83Bi-211, 83Bi-212, 83Bi-213, 83Bi-214, 84Po-210, 84Po-211, 84Po-212, 84Po-213, 84Po-214, 84Po-215, 84Po-216, 84Po-218, 85At-217, 86Rn-219, 86Rn-220, 86Rn-222, 87Fr-221, 87Fr-223, 88Ra-223, 88Ra-224, 88Ra-225, 88Ra-226, 88Ra-228, 89Ac-225, 89Ac-227, 89Ac-228, 90Th-227, 90Th-228, 90Th-229, 90Th-230, 90Th-231, 90Th-232, 90Th-234, 91Pa-231, 91Pa-233, 91Pa-234M, 91Pa-234, 92U-232, 92U-233, 92U-234, 92U-235, 92U-236, 92U-237, 92U-238, 92U-240, 93Np-237, 93Np-238, 93Np-239, 93Np-240M, 93Np-240, 94Pu-236, 94Pu-238, 94Pu-239, 94Pu-240, 94Pu-241, 94Pu-242, 94Pu-244, 95Am-241, 95Am-242, 95Am-243, 96Cm-242, 96Cm-243, 96Cm-244, 96Cm-248, 98Cf-252.

ORIGIN: many

WEIGHTING SPECTRUM: --

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The EXREM III program (2) calculates dose rates and total internal dose equivalent due to environmental release of radioactive material. The program was revised in 1973 to treat positron and conversion/Auger electron emission as well as beta rays and photons which had been treated in EXREM III. The data may be used in any application requiring a knowledge of the radiation from radioactive nuclide decay.

The data assembled are from the sources listed in Ref. 3-8. The data base provided RSIC has decay spectra and nuclide chain information for 252 nuclides. The 1978 revision includes a few corrections and includes additional nuclides, particularly daughters of some long- lived odd-mass transuranics which were not included previously. The data files now contain all radioactive decay data listed in Ref.8. The following data are given: decay constant (1/hr), energy spectra of photons (gamma rays and X rays), beta rays (end-point energies), positions (end-point energies), and electrons (conversion or Auger). The decay chain information is given in terms of pathways with each pathway being a possible sequence in the decay chains.

The pathway information may be described by an example. Each nuclide has an identifying number (ID) given with each set of data for that nuclide. Assume that nuclide 65 decays to nuclide 66 with 1.8% probability and to 67 with 98.2% probability. Nuclide 66 decays entirely to 67 and 67 is stable. The pathway information is given as follows:

65 66 67

.018 1. 1.

65 1067

.982

The number 1000 is added to 67 in the second pathway to indicate that a previous pathway must be added to calculate the concentration of nuclide 67. More complete descriptions of the format are given in Ref.1 and 2.

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8. RELATED OR AUXILIARY PROGRAMS

The retrieval program DKPRINT prints the data in a more readable form. It also converts the decay constant to half-life (hours/days/years), prints a list of the nuclides by atomic number and looks up the nuclide name (chemical symbol and atomic weight) for the pathway data.

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10. REFERENCES

Documentation available with library:

D.K. Trubey, Decayrem Notes, May 1974.

Other documentation helpful in defining the library:

D.K. Trubey and S.V. Kaye: "The EXREM III Computer Code for Estimating External Radiation Doses to Populations from Environmental Releases", ORNL-TM-4322 (1973).

M.J. Martin: Oak Ridge National Laboratory, Radioactive Atoms, Suppl.1, ORNL-4923 (1973).

M.J. Martin and P.H. Blichert-Toft: "Radioactive Atoms, Auger-Electron, Alpha, Beta-, Gamma-, and X-Ray Data", Nuclear Data Tables, Section A, 8(1-2), 1-198 (1970).

L.T. Dillman: "Radionuclide Decay Schemes and Nuclear Parameters for Use in Radiation-Dose Estimation", Medical Internal Radiation Dose Committee Pamphlet No.4, J. Nuclear Medicine, Supplement No.2, Vol.10 (March 1969).

L.T. Dillman: "Radioactive Decay Schemes and Nuclear Parameters for Use in Radiation-Dose Estimation, Part 2", MIRD Committee Pamphlet No.6, J. Nuclear Medicine, Supplement No.4, Vol.II (March 1970).

Unpublished data of the Information Center for Internal Exposure, Oak Ridge National Laboratory. Some of the data were especially evaluated for this data base by F.C. Vonderlage.

D.C. Kocher: "Nuclear Decay Data for Radionuclides Occurring in Routine Releases from Nuclear Fuel Cycle Facilities", ORNL/NUREG/TM-102 (Aug. 1977).

DLC-0030/01, included references:

- D.K. Trubey ;Updating of EXREM III

Informal note (June 1974)

- D.K. Trubey ;

DECAYREM Notes

Informal note (May 1974)

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DLC-0030/01

File name | File description | Records |
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DLC0030_01.001 | INFORMATION FILE | 4 |

DLC0030_01.002 | SOURCE (F4,EBCDIC) | 176 |

DLC0030_01.003 | JCL CARDS | 57 |

DLC0030_01.004 | LIBRARY | 1754 |

DLC0030_01.005 | SAMPLE OUTPUT | 10116 |

Keywords: data, daughter products, decay spectra, dose rates, electrons, libraries, photons, radioactivity transport.