TOI

  • Isotope Summary Table. Nuclear properties including level energy, decay mode(s), spin-parity, half-life, abundance, decay Q-value or mass exess, and principal gamma rays from decay. (PDF)

  • Energy-ordered Gamma-ray and Alpha Particle Tables.
    1. Energy-ordered list of the most intense decay gamma rays from radioactive sources with half-lives greater than 1 hour. (PDF)
    2. Energy ordered list of nearly 91,000 decay gamma rays from all decay sources TXT.
    3. Energy ordered list of alpha particles TXT or PDF
  • Energy and Intensity Standards.
    1. Gammas (PDF)
    2. Alphas (PDF)

  • Table of Radioactive Isotopes Data

    Return to the Table of Isotopes home page