Difference between revisions of "Tilted chamber"

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Tracked cosmics with new preamp and HVB, 2050V, 50/50 premixed Ar/CO<sub>2</sub>.<br>
 
Tracked cosmics with new preamp and HVB, 2050V, 50/50 premixed Ar/CO<sub>2</sub>.<br>
 
Pink lines are Landau distributions, blue lines are Landau-Gaussian convolutions, fitted by ROOT.
 
Pink lines are Landau distributions, blue lines are Landau-Gaussian convolutions, fitted by ROOT.
 
+
Tilt angles are approx 45 and 55 degrees, vertical track length should increase x 1.4 and 1.74
  
 
Amplitude
 
Amplitude
Line 15: Line 15:
 
Amplitude - new
 
Amplitude - new
 
{| border="0" cellpadding="2"
 
{| border="0" cellpadding="2"
|width="400pt"|
+
|width="300pt"|
 
[[Image:tilt_0_tracked_A_2.png|thumb|400px|Tracked amplitude; horizontal]]
 
[[Image:tilt_0_tracked_A_2.png|thumb|400px|Tracked amplitude; horizontal]]
|width="400pt"|
+
|width="300pt"|
 
[[Image:tilt_45_tracked_A_2.png|thumb|400px|Tracked amplitude; 45 degrees to horizontal]]
 
[[Image:tilt_45_tracked_A_2.png|thumb|400px|Tracked amplitude; 45 degrees to horizontal]]
 +
|width="300pt"|
 +
[[Image:tilt_55_tracked_A_2.png|thumb|400px|Tracked amplitude; 55 degrees to horizontal]]
 
|}
 
|}
Means: 460/314=1.46 <br>
+
Means: 460/314=1.46   568/314=1.81<br>
MPV: 283/182=1.55
+
MPV: 283/182=1.55   371/182=2.0
  
 
Amplitude/ track-length
 
Amplitude/ track-length

Revision as of 10:47, 5 October 2010

Tracked cosmics with new preamp and HVB, 2050V, 50/50 premixed Ar/CO2.
Pink lines are Landau distributions, blue lines are Landau-Gaussian convolutions, fitted by ROOT. Tilt angles are approx 45 and 55 degrees, vertical track length should increase x 1.4 and 1.74

Amplitude

Tracked amplitude; horizontal
Tracked amplitude; 45 degrees to horizontal

Means: 452/311=1.45
MPV: 298/181=1.65

Amplitude - new

Tracked amplitude; horizontal
Tracked amplitude; 45 degrees to horizontal
Tracked amplitude; 55 degrees to horizontal

Means: 460/314=1.46 568/314=1.81
MPV: 283/182=1.55 371/182=2.0

Amplitude/ track-length

Amplitude / track-length; horizontal
Amplitude / track-length; 45 degrees to horizontal

Amplitude/ track-length - new

Amplitude / track-length; horizontal
Amplitude / track-length; 45 degrees to horizontal


Energy (integrated amplitude)

Tracked energy (integrated amplitude); horizontal
Tracked energy (integrated amplitude); 45 degrees to horizontal

Energy (integrated amplitude) - new

Tracked energy (integrated amplitude); horizontal
Tracked energy (integrated amplitude); 45 degrees to horizontal

MPV: 3842/2220=1.73

Energy (integrated amplitude)/ track-length

Energy (integrated amplitude) / track-length; horizontal
Energy (integrated amplitude) / track-length; 45 degrees to horizontal

Energy (integrated amplitude)/ track-length - new

Energy (integrated amplitude) / track-length; horizontal
Energy (integrated amplitude) / track-length; 45 degrees to horizontal

MPV: 293/170=1.72