Atomic Masses

Welcome to the Table of Isotopes Atomic Mass Data home page

Experimental Atomic Masses:

  1. Atomic Mass Data Center (Orsay) Up-to-date information about experimental atomic mass data.
  2. G. Audi and A.H. Wapstra, Nucl. Phys. A565, 1 (1993); C. Borcea, G. Audi, A. H. Wapstra and P. Favaron, Nucl. Phys.A565, 158 (1993). Recommended values for mass excesses, binding energies, beta-minus decay energies, proton and neutron separation energies, and alpha-decay energies in keV.
    1. Tables: Text or PDF or PS
    2. The 1993 atomic mass evaluation : (I) Atomic mass table
    3. The 1993 atomic mass evaluation : (III) Separation and decay energies. Graphs of systematic trends
  3. G. Audi and A.H. Wapstra, Nucl. Phys. A595, 409 (1995). Recommended values; 1995 update to the atomic mass evaluation.
    1. Text or PDF or PS
    2. The 1995 update to the atomic mass evaluation
  4. G. Audi, O. Bersillon, J. Blachot and A. H. Wapstra, Nucl. Phys. A729, 3 (2003); G.Audi, A.H.Wapstra and C.Thibault, Nucl. Phys. A729, 129 (2003); G.Audi, A.H.Wapstra and C.Thibault, Nucl. Phys. A729, 337 (2003).
    1. WWW Table of Atomic Masses: Mass Data Search.
    2. The AME 2003 atomic mass evaluation: (I). Evaluation of input data, adjustment procedures
    3. The AME 2003 atomic mass evaluation: (II). Tables, graphs and references

Theoretical Atomic Masses I: Atomic. Data Nucl. Data Tables 39, 185 (1988); edited by P.E. Haustein. Mass excess values in MeV where the Mass excess = [M (in a.m.u.) - A], and 1 a.m.u.(atomic mass unit) = M(12C)/12.

  1. Masses of Proton-Rich Tz<0 Nuclei via the Isobaric Mass Equation, A. Pape and M.S. Anthony. Text, PDF, or PS
  2. Mass Predictions Based on alpha-Line Systematics, G. Dussel, E. Caurier, and A.P. Zuker. Text, PDF, or PS
  3. Nuclear Masses from a Unified Macroscopic-Microscopic Model, P. Moller and J.R. Nix. Text, PDF, or PS
  4. Nuclear Mass Formula with a Finite-Range Droplet Model and a Folded-Yukawa Single-Particle Potential, P. Moller, W.D. Myers, W.J. Swiatecki, and J. Treiner. Text, PDF, or PS
  5. Mass Predictions by Modified Ensemble Averaging, E. Comay, I. Kelson, and A. Zidon. Text, PDF, or PS
  6. Masses of Atomic Nuclei in the Infinite Nuclear Matter Model, L. Satpathy and R.C. Nayak. Text, PDF, or PS
  7. Empirical Mass Formula with Proton-Neutron Interaction, Takahiro Tachibana, Masahiro Uno, Masami Yamada, and So Yamada. Text, PDF, or PS
  8. A Modified Bethe-Weizsacker Mass Formula with Deformation and Shell Corrections and a Few Free Parameters, L. Spanier and S.A.E. Johansson. Text, PDF, or PS
  9. Mass Predictions from the Garvey-Kelson Mass Relations, J. Janecke and P.J. Masson. Text, PDF, or PS
  10. Masses from an Inhomogenious Partial Difference Equation with Higher-Order Isospin Contributions, P.J. Masson and J. Janecke. Text, PDF, or PS
  11. Atomic Masses from (Mainly) Experimental Data, A.H. Wapstra, G. Audi, and R. Hoekstra. Text, PDF, or PS

Theoretical Atomic Masses II: P. Moller, J.R. Nix, and W.J. Swiatecki, Atomic Data Nucl. Data Tables 59, 185(1995). Mass excess values in MeV where the Mass excess = [M (in a.m.u.) - A], and 1 a.m.u.(atomic mass unit) = M(12C)/12.

  1. Masses from the Finite-Range Droplet Model Text, PDF, or PS
  2. Masses from the Finite-Range Liquid-Drop Model Text, PDF, or PS
  3. Nuclear Masses and Deformations Text

Theoretical Atomic Masses III: W.D. Myers and W.J. Swiatecki, LBL-36803, Table of Nuclear Masses According to the 1994 Thomas-Fermi Model Text

Return to Table of Isotopes home page

Richard B. Firestone, e-mail: rbf@lbl.gov
Ernest O. Lawrence Berkeley National Laboratory
MailStop 50A-6102
1 Cyclotron Road
Berkeley, CA 94720
Phone: 510-486-7646
Fax: 510-486-5757