List of common gamma-ray emitting isotopes with the corresponding photon energies neatly grouped by isotope.

isotopes_energies_new.json

{
  "U-238": [
    110,
    49.55
  ],
  "Co-56": [
    511,
    846.75,
    1037.86,
    1238.29,
    1360.23
  ],
  "I-132": [
    670,
    505.8,
    522.7,
    630.2,
    667.718,
    671.6,
    772.61,
    812.4,
    954.6,
    1398.6
  ],
  "Eu-154": [
    996,
    123.07,
    247.939,
    591.81,
    723.43,
    756.92,
    873.24,
    1004.57,
    1274.69
  ],
  "Ac-228": [
    209.264,
    270.272,
    328.05,
    338.37,
    463.073,
    795.069,
    911.316,
    964.843,
    969.161,
    1587.9
  ],
  "Ag-110": [
    657.764,
    677.618,
    687.008,
    706.682,
    763.941,
    818.033,
    884.685,
    937.496,
    1384.297,
    1505.042
  ],
  "Am-241": [
    26.34,
    59.536,
    69.77
  ],
  "Ba-133": [
    53.159,
    79.614,
    80.998,
    276.399,
    302.854,
    356.013,
    383.852
  ],
  "Be-7": [
    477.605
  ],
  "Bi-212": [
    727.2,
    785.37
  ],
  "Bi-214": [
    609.318,
    768.36,
    934.05,
    1120.28,
    1238.1,
    1377.65,
    1407.98,
    1509.2
  ],
  "Cd-109": [
    88.034
  ],
  "Ce-139": [
    165.857
  ],
  "Ce-144": [
    80.12,
    133.515
  ],
  "Co-57": [
    14.413,
    122.062,
    136.474
  ],
  "Co-58": [
    511.1,
    810.775
  ],
  "Co-60": [
    1173.238,
    1332.501
  ],
  "Cr-51": [
    320.084
  ],
  "Cs-134": [
    475.45,
    563.24,
    569.26,
    604.71,
    795.91,
    801.93,
    1038.69,
    1167.94,
    1365.17
  ],
  "Cs-137": [
    31.8,
    661.66
  ],
  "Eu-152": [
    121.782,
    244.699,
    344.281,
    443.965,
    778.903,
    867.39,
    964.055,
    1085.842,
    1112.087,
    1408.022
  ],
  "Eu-155": [
    45.297,
    60.01,
    86.545,
    105.308
  ],
  "Fe-59": [
    142.652,
    192.349,
    1099.251,
    1291.596
  ],
  "Hg-203": [
    279.197
  ],
  "I-129": [
    39.58
  ],
  "I-131": [
    80.183,
    284.3,
    364.48,
    636.97,
    722.89
  ],
  "I-133": [
    510.53,
    529.87,
    706.58,
    856.28,
    875.33,
    1236.41,
    1298.22
  ],
  "K-40": [
    1460.8
  ],
  "Lu-176": [
    88.34,
    201.83,
    306.78
  ],
  "Mn-54": [
    834.827
  ],
  "Na-22": [
    511.2,
    1274.54
  ],
  "Nb-95": [
    765.82
  ],
  "Pa-234": [
    258.2,
    742.814,
    766.358,
    786.272,
    1001.025
  ],
  "Pb-210": [
    46.5
  ],
  "Pb-212": [
    115.19,
    238.625,
    300.087
  ],
  "Pb-214": [
    53.23,
    241.91,
    295.2,
    351.9
  ],
  "Pr-144": [
    696.5,
    1489.2
  ],
  "Ra-226": [
    185.99
  ],
  "Rh-106": [
    511.9,
    621.9,
    1050.4
  ],
  "Sb-124": [
    602.73,
    645.86,
    713.8,
    722.78,
    968.2,
    1045.1,
    1325.52,
    1368.2
  ],
  "Sb-125": [
    35.5,
    176.33,
    380.44,
    427.89,
    463.39,
    600.53,
    606.66,
    635.92,
    671.42
  ],
  "Sc-46": [
    889.277,
    1120.545
  ],
  "Sn-113": [
    391.69
  ],
  "Sr-85": [
    514.008
  ],
  "Ta-182": [
    67.75,
    100.106,
    152.431,
    222.11,
    229.322,
    264.075,
    1121.301,
    1189.05,
    1221.408,
    1231.016
  ],
  "Th-234": [
    63.3,
    92.38,
    92.8
  ],
  "Tl-208": [
    277.358,
    510.77,
    583.191,
    763.13,
    860.564
  ],
  "U-235": [
    109.16,
    143.76,
    163.33,
    185.72,
    202.11,
    205.31
  ],
  "Y-88": [
    511.3,
    850.6,
    898.042,
    1382.4
  ],
  "Zn-65": [
    511.4,
    1115.546
  ],
  "Zr-95": [
    724.199,
    756.729
  ]
}