Difference between revisions of "CDC tracked cosmics"
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− | Old preamp | + | Old preamp, n=10 |
{| border="1" cellpadding="2" | {| border="1" cellpadding="2" | ||
|width="415pt"|[[Image:cosmic_amplitude_1950V_old_preamp.jpg|thumb|none|400px|old preamp, cosmics, 50/50 Ar/CO2, 1950V]] | |width="415pt"|[[Image:cosmic_amplitude_1950V_old_preamp.jpg|thumb|none|400px|old preamp, cosmics, 50/50 Ar/CO2, 1950V]] | ||
|width="415pt"|[[Image:cosmic_amplitude_1950V_old_preamp_45deg.jpg|thumb|none|400px|old preamp, cosmics, 50/50 Ar/CO2, 1950V, 45 degrees]] | |width="415pt"|[[Image:cosmic_amplitude_1950V_old_preamp_45deg.jpg|thumb|none|400px|old preamp, cosmics, 50/50 Ar/CO2, 1950V, 45 degrees]] | ||
|} | |} | ||
− | New preamp, ADC range halved (scale doubled) | + | New preamp, n=10, ADC range halved (scale doubled) |
{| border="1" cellpadding="2" | {| border="1" cellpadding="2" | ||
|width="415pt"|[[Image:cosmic_amplitude_1950V_new_preamp.jpg|thumb|none|400px|new preamp, cosmics, 50/50 Ar/CO2, 1950V]] | |width="415pt"|[[Image:cosmic_amplitude_1950V_new_preamp.jpg|thumb|none|400px|new preamp, cosmics, 50/50 Ar/CO2, 1950V]] | ||
|width="415pt"|[[Image:cosmic_amplitude_1950V_new_preamp_45deg.jpg|thumb|none|400px|new preamp, cosmics, 50/50 Ar/CO2, 1950V, 45 degrees]] | |width="415pt"|[[Image:cosmic_amplitude_1950V_new_preamp_45deg.jpg|thumb|none|400px|new preamp, cosmics, 50/50 Ar/CO2, 1950V, 45 degrees]] | ||
|} | |} |
Revision as of 13:21, 18 June 2010
At 1950V, 50/50 gas:
Amplitude spectra for channel 7, to set the threshold = pedestal-mean + n * pedestal-width. First, n=10.
Old preamp, n=10
New preamp, n=10, ADC range halved (scale doubled)