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ESTIMATE OF TOTAL ERROR
APPENDIX B ERROR PRODUCED BY COMPTON ELECTRONS
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01 INCIDENT 3-MeV gamma ray alpha particles aluminum APPENDIX attenuation coefficient Avogadro's beam current measurements beam diameter center line coil cold trap COMPTON EFFECT Compton electrons constructed copper jacket cos2 cup base diffusion pump electrons leaving electrons produced energy loss entrance window equation estimated weight evaluated Faraday cup extension Faraday cup system helium-filled ion chambers incident beam incident particle INCIDENT PROTON BEAM inelastic collision ion pairs ith slab kinetic energy Langley Research Center magnet mean energy required NASA Space Radiation neutron-proton neutrons per interaction nominal 600-MeV protons Np incident protons nucleons number of delta number of ion number of protons pair in helium pairs per proton Phys produce one ion proton is given proton-nucleus interaction protons escaping range of 600-MeV recoil neutron reentrant portion required to produce residual gas rest mass scattered proton source of error SREL systematic error tetrafluoroethylene torr true proton current vacuum chamber Vacuum housing