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The ASTAR program calculates stopping power and range tables for helium ions in various materials. Select a material and enter the desired energies or use the default energies. Energies are specified in MeV, and must be in the range from .001 MeV to 1000 MeV.

Graphical version (New feature allows downloading user-specified columns in ASCII format)
Material composition data


Additional Energies (optional):

Use energies entered below (one per line)
    Include default energies