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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.

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

Material:

Additional Energies (optional):

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

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