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..................ESTAR................................
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Database has been copied from 
http://physics.nist.gov/PhysRefData/Star/Text/ESTAR-t.html
on September 2013 by A.Ivantchenko during the R&D ESA/ESTEC project A07146,
BioRad-II.
Some inconviences refer to antoni@cern.ch, vnivanch@cern.ch

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2. ESTAR: Stopping Powers and Ranges for Electrons
Access the ESTAR Database
http://physics.nist.gov/PhysRefData/Star/Text/method.html

:::::::::::::::::::::::::::::Directory estar-basic::::::::::::::::::::::
each file has 7 couloms: 
    0   Energies in MeV and are in the range from 0.01 MeV to 1000 MeV.
    1  	Collision stopping power, MeV*cm2/g;
    2  	Radiative stopping power, MeV*cm2/g;
    3  	Total stopping power (sum of a and b), MeV*cm2/g;
    4  	Density effect parameter "delta"; 
    5  	CSDA (continuous-slowing-down approximation) range, g/cm2;
    6  	Radiation yield (fraction of kinetic energy of primary electron converted 
        into bremsstrahlung). 
81 lines per sample

::::::::::::::::::::::::::::::Directory estar-long:::::::::::::::::::::::
each file has 5 couloms: 
    0   Energies in MeV and are in the range from .001 MeV to 10000 MeV. 
    1   collision stopping power, MeV cm2/g
    2   radiative stopping power, MeV cm2/g
    3   total stopping power, MeV cm2/g
    4   density effect parameter delta
97 lines per sample
