Difference between revisions of "September 26, 2007 - Cosmic Telescope"

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|1:11 pm || 3:56 pm || 2.75 || 15067 || 354 || 128.7 || 6.840 ||
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|1:11 pm || 3:56 pm || 2.75 || 15067 || 354 || 128.7 || 6.840 || 45.5
 
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Latest revision as of 21:09, 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]
4:09 pm of 9/25 1:09 pm of 9/26 21 163034 1669 79.48 1.945



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]
1:11 pm 2:11 pm 1.0 5867 120 120 10.954 8.7
2:11 pm 3:26 pm 1.25 12440 139 111.2 9.432 17.5
3:26 pm 3:56 pm 0.5 15067 95 190 19.494 61.3
[math]\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}[/math]
1:11 pm 3:56 pm 2.75 15067 354 128.7 6.840 45.5