Difference between revisions of "CDC garfield calcs"

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|[[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)]]
 
|}
 
|}
  
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<div style="background-color:#cfc;">
  
 
{| border="0" cellpadding="2" style="background-color:#cfc;"
 
{| border="0" cellpadding="2" style="background-color:#cfc;"
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|}
 
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</div>
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{| border="0" cellpadding="2"
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|+ 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]]
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|}
  
  
  
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<div style="background-color:#cfc;">
  
  
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|[[Image:cdc_p_400_23_int.png|thumb|x200px|Integrated signal]]
 
|[[Image:cdc_p_400_23_int.png|thumb|x200px|Integrated signal]]
 
|}
 
|}
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</div>
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{| border="0" cellpadding="2"  
 
{| border="0" cellpadding="2"  
−
|+ Cosmics, same prototype run, lower hit threshold (3sigma) 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]]
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|-
 
|-
 
|[[Image:cdc_run_31942_thr3_int_noise60.png|thumb|x200px|Integrated signal for hits with maxamp < 60]]
 
|[[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]]
 
|}
 
|}
  
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|[[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_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]]
 
|[[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_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.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]]
 
|[[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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