neutron flux in space

[Les Slaback <lester.slaback@nist.gov>]

Depending on the circumstances this parameter can change dramatically since many more neutrons are produced by the very high energy cosmic rays (ions) when they interact with matter (e.g., the air containment shell of your space vehicle).  The NCRP meeting this year had lots of neat data on this topic.
Disclaimer:  the above are the personal musings of the author, and do not represent any past, present, or future position of NIST, the U.S. government, or anyone else who might think that they are in a position of authority.
Lester Slaback, Jr.  [Lester.Slaback@NIST.GOV]
NBSR Health Physics
Center for Neutron Research
NIST
Gaithersburg, MD  20899
301 975-5810