[Halld-cal] Neutron bg in the SiPM area, note

[Alexander Somov]

Hi,

I put a draft of the note describing neutron
bg simulation in the BCAL/SC  SiPM areas to

http://www.jlab.org/~somov/fluka/raddamage.pdf

Please take a look.

I will post this note to the DocDB shortly.

Cheers,
        Sascha