Difference between revisions of "Fe55 peak shape"
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[[Image:source_pos_e.png|thumb|400px|energy histo for 55Fe mixed 50/50 at 40 sccm]] | [[Image:source_pos_e.png|thumb|400px|energy histo for 55Fe mixed 50/50 at 40 sccm]] | ||
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| + | With the source towards the edge of the straw the count rate halves and the camel disappears. | ||
Revision as of 15:25, 5 November 2010
Fe55 with 50/50 Ar/CO2, New preamp and new HVB, ADC half-range
Mixed 50/50 at 40 sccm total, moved the source (collimated as usual) across the top of the straw towards the edge....
With the source towards the edge of the straw the count rate halves and the camel disappears.
