Difference between revisions of "September 13, 2007 - Cosmic Telescope"

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Cosmic rates measured each hour when the telecope accepts cosmics which intersect the earth's surface at 330 degrees to the perpendicular.
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Cosmic rates measured each hour when the telecope accepts cosmics which intersect the earth's surface at 315 degrees to the perpendicular.
 
{| border="1" cellpadding="20" cellspacing="0"
 
{| border="1" cellpadding="20" cellspacing="0"
 
|-
 
|-
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|Coinc. per hour
 
|Coinc. per hour
 
|<math>\sqrt{N}</math>
 
|<math>\sqrt{N}</math>
|<math>(x_i-\bar{x})^2</math>
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|<math>\sqrt{(x_i-\bar{x})^2}</math>
 
|-
 
|-
|4:25 pm of 9/11 || 12:55 pm of 9/12 || 20.5 || 167469 || 2233 || 108.93 || 2.305 ||  
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|4:05 pm of 9/12 || 1:05 pm of 9/13 || 21 || 179838 || 2261 || 107.67 || 2.264 ||  
 
|}<br>
 
|}<br>
  
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|Coinc. per hour
 
|Coinc. per hour
 
|<math>\sqrt{N}</math>
 
|<math>\sqrt{N}</math>
|<math>(x_i-\bar{x})^2</math>
+
|<math>\sqrt{(x_i-\bar{x})^2}</math>
 
|-
 
|-
|12:58 pm || 1:58 pm || 1 || || || || ||
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|1:07 pm || 2:07 pm || 1 || 7380 || 134 || 134 || 11.57 || 10.7
 
|-
 
|-
|1:58 pm || 2:58 pm || 1 || || || || ||  
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|2:07 pm || 3:07 pm || 1 || 14325 || 152 || 152 || 12.32 || 7.33
 
|-
 
|-
|2:58 pm || 3:58 pm || 1 || || || || ||
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|3:07 pm || 4:07 pm || 1 || 20810 || 148 || 148 || 12.16 || 3.33
 
|-
 
|-
 
|
 
|
 
|-
 
|-
|12:58 pm || 3:58 pm || 3 || || || || ||
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| || || || || || || || <math>\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}</math>
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|-
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|1:07 pm || 4:07 pm || 3 || 20810 || 434 || 144.667 || 6.944 || 9.47
 
|}<br>
 
|}<br>

Latest revision as of 20:07, 25 October 2007

Cosmic rates measured each hour when the telecope accepts cosmics which intersect the earth's surface at 315 degrees to the perpendicular.

Time Start Time Stop Time elapsed (hour) Singles Count (on top) Coinc. Counts Coinc. per hour [math]\sqrt{N}[/math] [math]\sqrt{(x_i-\bar{x})^2}[/math]
4:05 pm of 9/12 1:05 pm of 9/13 21 179838 2261 107.67 2.264



Cosmic rates measured each hour when the telecope accepts cosmics which intersect the earth's surface perpendicularly (defined as zero degrees).

Time Start Time Stop Time elapsed (hour) Singles Count (on top) Coinc. Counts Coinc. per hour [math]\sqrt{N}[/math] [math]\sqrt{(x_i-\bar{x})^2}[/math]
1:07 pm 2:07 pm 1 7380 134 134 11.57 10.7
2:07 pm 3:07 pm 1 14325 152 152 12.32 7.33
3:07 pm 4:07 pm 1 20810 148 148 12.16 3.33
[math]\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}[/math]
1:07 pm 4:07 pm 3 20810 434 144.667 6.944 9.47