Difference between revisions of "CDC tracked cosmics"
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At 1950V, 50/50 gas: | At 1950V, 50/50 gas: | ||
− | + | Tracked cosmics - amplitude spectra for channel 7. In software, threshold = pedestal-mean + n * pedestal-width. n=10. | |
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− | Zoom in on old | + | Zoom in on first pic (old preamp, n=10) |
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{| border="1" cellpadding="2" | {| border="1" cellpadding="2" | ||
|width="415pt"|[[Image:cosmic_amplitude_1950V_old_preamp_expanded.jpg|thumb|none|400px|old preamp, cosmics, 50/50 Ar/CO2, 1950V, scale expanded]] | |width="415pt"|[[Image:cosmic_amplitude_1950V_old_preamp_expanded.jpg|thumb|none|400px|old preamp, cosmics, 50/50 Ar/CO2, 1950V, scale expanded]] | ||
|} | |} |
Revision as of 13:32, 18 June 2010
At 1950V, 50/50 gas:
Tracked cosmics - amplitude spectra for channel 7. In software, threshold = pedestal-mean + n * pedestal-width. n=10.
Old preamp, n=10
New preamp, n=10, ADC range halved (scale doubled)
Zoom in on first pic (old preamp, n=10)