Difference between revisions of "CDC garfield calcs"

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Line 4: Line 4:
 
|[[Image:cdc_run_31942_maxampfit.png|thumb|x200px|First max in signal amplitude]]
 
|[[Image:cdc_run_31942_maxampfit.png|thumb|x200px|First max in signal amplitude]]
 
|[[Image:cdc_run_31942_integration.png|thumb|x200px|Integrated signal]]
 
|[[Image:cdc_run_31942_integration.png|thumb|x200px|Integrated signal]]
 +
|[[Image:cdc_run_31942_integration_z.png|thumb|x200px|Integrated signal (zoomed in)]]
 
|}
 
|}
  
 +
<div style="background-color:#cfc;">
  
−
{| border="0" cellpadding="2"  
+
{| border="0" cellpadding="2" style="background-color:#cfc;"
 
|+ Garfield for 3GeV muons at 90<sup>o</sup> to straw
 
|+ Garfield for 3GeV muons at 90<sup>o</sup> to straw
 
|[[Image:cdc_u_3000_full_0_dt.png|thumb|x200px|Drift time (- offset)]]
 
|[[Image:cdc_u_3000_full_0_dt.png|thumb|x200px|Drift time (- offset)]]
Line 13: Line 15:
 
|[[Image:cdc_u_3000_full_0_int.png|thumb|x200px|Integrated signal]]
 
|[[Image:cdc_u_3000_full_0_int.png|thumb|x200px|Integrated signal]]
 
|}
 
|}
 +
 +
{| border="0" cellpadding="2" style="background-color:#cfc;"
 +
|+ Garfield for 3GeV muons at 90<sup>o</sup> to straw within 1mm of wire
 +
|[[Image:cdc_u_3000_0_dt.png|thumb|x200px|Drift time (- offset)]]
 +
|[[Image:cdc_u_3000_0_amp.png|thumb|x200px|First max in signal amplitude]]
 +
|[[Image:cdc_u_3000_0_int.png|thumb|x200px|Integrated signal]]
 +
|}
 +
 +
 +
{| border="0" cellpadding="2" style="background-color:#cfc;"
 +
|+ Garfield for 3GeV muons at 90<sup>o</sup> to straw within 5mm and 6mm from wire
 +
|[[Image:cdc_u_3000_5mm_0_dt.png|thumb|x200px|Drift time (- offset)]]
 +
|[[Image:cdc_u_3000_5mm_0_amp.png|thumb|x200px|First max in signal amplitude]]
 +
|[[Image:cdc_u_3000_5mm_0_int.png|thumb|x200px|Integrated signal]]
 +
|[[Image:cdc_u_3000_5mm_0_intz.png|thumb|x200px|Integrated signal]]
 +
|}
 +
 +
{| border="0" cellpadding="2" style="background-color:#cfc;"
 +
|+ Garfield for 3GeV muons at 90<sup>o</sup> to straw within 6mm and 7mm from wire
 +
|[[Image:cdc_u_3000_6mm_0_dt.png|thumb|x200px|Drift time (- offset)]]
 +
|[[Image:cdc_u_3000_6mm_0_amp.png|thumb|x200px|First max in signal amplitude]]
 +
|[[Image:cdc_u_3000_6mm_0_int.png|thumb|x200px|Integrated signal]]
 +
|[[Image:cdc_u_3000_6mm_0_intz.png|thumb|x200px|Integrated signal]]
 +
|}
 +
 +
{| border="0" cellpadding="2" style="background-color:#cfc;"
 +
|+ Garfield for 3GeV muons at 90<sup>o</sup> to straw within 7mm and 8mm from wire
 +
|[[Image:cdc_u_3000_7mm_0_dt.png|thumb|x200px|Drift time (- offset)]]
 +
|[[Image:cdc_u_3000_7mm_0_amp.png|thumb|x200px|First max in signal amplitude]]
 +
|[[Image:cdc_u_3000_7mm_0_int.png|thumb|x200px|Integrated signal]]
 +
|[[Image:cdc_u_3000_7mm_0_intz.png|thumb|x200px|Integrated signal]]
 +
|}
 +
 +
{| border="0" cellpadding="2" style="background-color:#cfc;"
 +
|+ Garfield for 3GeV muons at 90<sup>o</sup> to straw within 7.5mm and 8mm from wire
 +
|[[Image:cdc_u_3000_75mm_0_dt.png|thumb|x200px|Drift time (- offset)]]
 +
|[[Image:cdc_u_3000_75mm_0_amp.png|thumb|x200px|First max in signal amplitude]]
 +
|[[Image:cdc_u_3000_75mm_0_int.png|thumb|x200px|Integrated signal]]
 +
|[[Image:cdc_u_3000_75mm_0_intz.png|thumb|x200px|Integrated signal]]
 +
 +
|}
 +
 +
</div>
  
  
 
{| border="0" cellpadding="2"  
 
{| border="0" cellpadding="2"  
 +
|+ Prototype results (as top) from signals near the edge of the straw
 +
|[[Image:cdc_run_31942_int_760ns.png|thumb|x200px|Integrated signal with drift time > 760ns]]
 +
|}
 +
 +
 +
 +
<div style="background-color:#cfc;">
 +
 +
 +
{| border="0" cellpadding="2" style="background-color:#cfc;"
 
|+ Garfield for 400MeV/c protons at 45<sup>o</sup> to straw
 
|+ Garfield for 400MeV/c protons at 45<sup>o</sup> to straw
 
|[[Image:cdc_p_400_full_45_dt.png|thumb|x200px|Drift time (- offset)]]
 
|[[Image:cdc_p_400_full_45_dt.png|thumb|x200px|Drift time (- offset)]]
Line 23: Line 78:
  
  
−
{| border="0" cellpadding="2"  
+
{| border="0" cellpadding="2" style="background-color:#cfc;"
 
|+ Garfield for 400MeV/c protons at 23<sup>o</sup> to straw
 
|+ Garfield for 400MeV/c protons at 23<sup>o</sup> to straw
 
|[[Image:cdc_p_400_full_23_dt.png|thumb|x200px|Drift time (- offset)]]
 
|[[Image:cdc_p_400_full_23_dt.png|thumb|x200px|Drift time (- offset)]]
Line 29: Line 84:
 
|[[Image:cdc_p_400_full_23_int.png|thumb|x200px|Integrated signal]]
 
|[[Image:cdc_p_400_full_23_int.png|thumb|x200px|Integrated signal]]
 
|}
 
|}
 +
 +
{| border="0" cellpadding="2" style="background-color:#cfc;"
 +
|+ Garfield for 400MeV/c protons at 45<sup>o</sup> to straw within 1mm of wire
 +
|[[Image:cdc_p_400_45_dt.png|thumb|x200px|Drift time (- offset)]]
 +
|[[Image:cdc_p_400_45_amp.png|thumb|x200px|First max in signal amplitude]]
 +
|[[Image:cdc_p_400_45_int.png|thumb|x200px|Integrated signal]]
 +
|}
 +
 +
 +
{| border="0" cellpadding="2" style="background-color:#cfc;"
 +
|+ Garfield for 400MeV/c protons at 23<sup>o</sup> to straw within 1mm of wire
 +
|[[Image:cdc_p_400_23_dt.png|thumb|x200px|Drift time (- offset)]]
 +
|[[Image:cdc_p_400_23_amp.png|thumb|x200px|First max in signal amplitude]]
 +
|[[Image:cdc_p_400_23_int.png|thumb|x200px|Integrated signal]]
 +
|}
 +
 +
</div>
  
  
 
{| border="0" cellpadding="2"  
 
{| border="0" cellpadding="2"  
−
|+ Same prototype run, lower hit threshold (3#sigma) 2100V 50/50 Ar/CO2
+
|+ Cosmics, same prototype run, lower hit threshold (3sigma) and minimum number of hits=1, 2100V 50/50 Ar/CO2
 
|[[Image:cdc_run_31942_thr3_amp.png|thumb|x200px|Max amp]]
 
|[[Image:cdc_run_31942_thr3_amp.png|thumb|x200px|Max amp]]
 
|[[Image:cdc_run_31942_thr3_int.png|thumb|x200px|Integrated signal]]
 
|[[Image:cdc_run_31942_thr3_int.png|thumb|x200px|Integrated signal]]
 
|[[Image:cdc_run_31942_thr3_int_noise.png|thumb|x200px|Integrated signal for hits with maxamp < 90]]
 
|[[Image:cdc_run_31942_thr3_int_noise.png|thumb|x200px|Integrated signal for hits with maxamp < 90]]
 +
|-
 +
|[[Image:cdc_run_31942_thr3_int_noise60.png|thumb|x200px|Integrated signal for hits with maxamp < 60]]
 +
|[[Image:cdc_run_31942_thr3_int_noise60_b.png|thumb|x200px|Integrated signal for hits with maxamp < 60]]
 +
|}
 +
 +
{| border="0" cellpadding="2"
 +
|+ Cosmics, same prototype run, 2100V 50/50 Ar/CO2, look at low amplitude hits and exclude events identified (in another file) as having a higher amplitude hit later on
 +
|[[Image:cdc_run_31942_thr3_maxamp_not5sig.png|thumb|x200px|Max amplitude for 3 sigma hit threshold, blue: all 3sigma hits, pink: excluded later hits over 5 sigma]]
 +
|[[Image:cdc_run_31942_thr3_int_not5sig.png|thumb|x200px|Integrated signal for 3 sigma hit threshold, blue: all 3sigma hits, pink: excluded later hits over 5 sigma]]
 +
|}
 +
 +
{| border="0" cellpadding="2"
 +
|+ Cosmics, same prototype run, 2100V 50/50 Ar/CO2, look at hits with drift radius > 7mm and exclude events identified (in another file) as having a higher amplitude hit later on
 +
|[[Image:cdc_run_31942_thr3_maxamp_7mm_not5sig.png|thumb|x200px|Max amplitude for 3 sigma hit threshold, 7mm+, blue: all 3sigma hits, pink: excluded later hits over 5 sigma]]
 +
|[[Image:cdc_run_31942_thr3_int_7mm_not5sig.png|thumb|x200px|Integrated signal for 3 sigma hit threshold, 7mm+, blue: all 3sigma hits, pink: excluded later hits over 5 sigma]]
 +
|}
 +
 +
 +
{| border="0" cellpadding="2"
 +
|[[Image:cdc_run_31942_thr2_maxamp_not3sig.png|thumb|x200px|Max amplitude for 2 sigma hit threshold, blue: all 2sigma hits, pink: excluded later hits over 3 sigma]]
 +
|[[Image:cdc_run_31942_thr2_int_not3sig.png|thumb|x200px|Integrated signal for 2 sigma hit threshold, blue: all 2sigma hits, pink: excluded later hits over 3 sigma]]
 +
|[[Image:cdc_run_31942_thr2_int_not3sig_fit.png|thumb|x200px|Fit histo with excluded later hits over 3 sigma, mean fixed near 0]]
 
|}
 
|}

Latest revision as of 16:33, 9 April 2014

Real life results from prototype 2100V 50/50 Ar/CO2 with scintillators horizontal, cosmics not limited to 90o
Drift time (- offset) in ns
First max in signal amplitude
Integrated signal
Integrated signal (zoomed in)
Garfield for 3GeV muons at 90o to straw
Drift time (- offset)
First max in signal amplitude
Integrated signal
Garfield for 3GeV muons at 90o to straw within 1mm of wire
Drift time (- offset)
First max in signal amplitude
Integrated signal


Garfield for 3GeV muons at 90o to straw within 5mm and 6mm from wire
Drift time (- offset)
First max in signal amplitude
Integrated signal
Integrated signal
Garfield for 3GeV muons at 90o to straw within 6mm and 7mm from wire
Drift time (- offset)
First max in signal amplitude
Integrated signal
Integrated signal
Garfield for 3GeV muons at 90o to straw within 7mm and 8mm from wire
Drift time (- offset)
First max in signal amplitude
Integrated signal
Integrated signal
Garfield for 3GeV muons at 90o to straw within 7.5mm and 8mm from wire
Drift time (- offset)
First max in signal amplitude
Integrated signal
Integrated signal


Prototype results (as top) from signals near the edge of the straw
Integrated signal with drift time > 760ns



Garfield for 400MeV/c protons at 45o to straw
Drift time (- offset)
First max in signal amplitude
Integrated signal


Garfield for 400MeV/c protons at 23o to straw
Drift time (- offset)
First max in signal amplitude
Integrated signal
Garfield for 400MeV/c protons at 45o to straw within 1mm of wire
Drift time (- offset)
First max in signal amplitude
Integrated signal


Garfield for 400MeV/c protons at 23o to straw within 1mm of wire
Drift time (- offset)
First max in signal amplitude
Integrated signal


Cosmics, same prototype run, lower hit threshold (3sigma) and minimum number of hits=1, 2100V 50/50 Ar/CO2
Max amp
Integrated signal
Integrated signal for hits with maxamp < 90
Integrated signal for hits with maxamp < 60
Integrated signal for hits with maxamp < 60
Cosmics, same prototype run, 2100V 50/50 Ar/CO2, look at low amplitude hits and exclude events identified (in another file) as having a higher amplitude hit later on
Max amplitude for 3 sigma hit threshold, blue: all 3sigma hits, pink: excluded later hits over 5 sigma
Integrated signal for 3 sigma hit threshold, blue: all 3sigma hits, pink: excluded later hits over 5 sigma
Cosmics, same prototype run, 2100V 50/50 Ar/CO2, look at hits with drift radius > 7mm and exclude events identified (in another file) as having a higher amplitude hit later on
Max amplitude for 3 sigma hit threshold, 7mm+, blue: all 3sigma hits, pink: excluded later hits over 5 sigma
Integrated signal for 3 sigma hit threshold, 7mm+, blue: all 3sigma hits, pink: excluded later hits over 5 sigma


Max amplitude for 2 sigma hit threshold, blue: all 2sigma hits, pink: excluded later hits over 3 sigma
Integrated signal for 2 sigma hit threshold, blue: all 2sigma hits, pink: excluded later hits over 3 sigma
Fit histo with excluded later hits over 3 sigma, mean fixed near 0
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