Difference between revisions of "September 20, 2007 - Cosmic Telescope"

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| || || || || || || || <math>\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}</math>
 
| || || || || || || || <math>\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}</math>
 
|-
 
|-
|1:04 pm || 4:04 pm || 3 || 19067 || 420 || 140 || 6.83 || 6.48
+
|1:04 pm || 4:04 pm || 3 || 19067 || 420 || 140 || 6.83 || 4.58
 
|}<br>
 
|}<br>

Latest revision as of 21:06, 25 October 2007

Cosmic rates measured each hour when the telecope accepts cosmics which intersect the earth's surface at 300 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]
3:58 pm of 9/19 1:03 pm of 9/20 21.083 176564 1111 52.69 1.581



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]
1:04 pm 2:04 pm 1 6980 144 144 12 4
2:04 pm 3:04 pm 1 13059 141 141 11.87 1
3:04 pm 4:04 pm 1 19067 135 135 11.62 5
[math]\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}[/math]
1:04 pm 4:04 pm 3 19067 420 140 6.83 4.58