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Correlation of neutron dosimetry using a silicon equivalent proportional counter microdosimeter and SRAM SEU cross sections for eight neutron energy spectra

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8 Author(s)
Gersey, B. ; NASA Center for Appl. Radiat. Res., Prairie View A&M Univ., TX, USA ; Wilkins, R. ; Huff, H. ; Dwivedi, R.C.
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A silicon equivalent proportional counter microdosimeter (SEPCM) and 4 Mb SRAM were exposed to eight progressively hardened neutron energy spectra at the LANSCE ICE House facility. As the incident neutron energy spectra were hardened, the lineal energy spectra response from the SEPCM changed both in shape and in the number of lineal energy deposition events per incident neutron. The general trend of the 4 Mb SRAM single event upset (SEU) cross section was an increase for harder incident neutron energy spectra. Resulting dosimetric results were correlated to SEU cross sections.

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Nuclear Science, IEEE Transactions on  (Volume:50 ,  Issue: 6 )