Difference between revisions of "CDC more garfield calcs"

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Cosmics from prototype data of run 31962, 50/50 Ar/CO2, 2100V, scintillators above and below prototype with paddles vertical
 
Cosmics from prototype data of run 31962, 50/50 Ar/CO2, 2100V, scintillators above and below prototype with paddles vertical
Picked events with hits in 3 straws in same vertical column in prototype.  Estimate from detector geometry that track angle < 14 degrees to vertical.
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|+ Real life results from prototype 2100V 50/50 Ar/CO2 with scintillators vertical
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|+ Real life results from prototype 2100V 50/50 Ar/CO2 with scintillators vertical and track angle < 5 degr to vertical
|[[Image:cdc_run_31962_maxampfit.png|thumb|x200px|First max in signal amplitude]]
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|[[Image:cdc_run_31962_amp_85deg.png|thumb|x200px|First max in signal amplitude, track angle < 5 degr to vertical]]
|[[Image:cdc_run_31962_integration.png|thumb|x200px|Integrated signal]]
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|[[Image:cdc_run_31962_int_85deg.png|thumb|x200px|Integrated signal, track angle <5 degr to vertical]]
 
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{| border="0" cellpadding="2"  
|+ Garfield, 3GeV u at 0-14degrees, gain 3.84e6 (gas gain) x 0.058 (transfer function)
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|+ Garfield, 3GeV u at 0-5degrees, gain 6.7e5 (gas gain) x 0.058 (transfer function), window resolution 8ns
|[[Image:cdc_garf_31962b_amp.png|thumb|x200px|First max in signal amplitude]]
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|[[Image:cdc_garf_31962j_8ns_amp.png|thumb|x200px|First max in signal amplitude]]
|[[Image:cdc_garf_31962b_int.png|thumb|x200px|Integrated signal]]
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|[[Image:cdc_garf_31962j_8ns_int.png|thumb|x200px|Integrated signal]]
 
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Latest revision as of 14:48, 21 April 2014

Cosmics from prototype data of run 31962, 50/50 Ar/CO2, 2100V, scintillators above and below prototype with paddles vertical


Real life results from prototype 2100V 50/50 Ar/CO2 with scintillators vertical and track angle < 5 degr to vertical
First max in signal amplitude, track angle < 5 degr to vertical
Integrated signal, track angle <5 degr to vertical


Garfield, 3GeV u at 0-5degrees, gain 6.7e5 (gas gain) x 0.058 (transfer function), window resolution 8ns
First max in signal amplitude
Integrated signal