September 25, 2007 - Cosmic Telescope

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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.

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]
4:10 pm of 9/24 1:10 pm of 9/25 21 161037 1745 83.1 1.989



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]
1:12 pm 2:17 pm 1.0833 6945 110 101.5 9.678 23.3
2:17 pm 3:12 pm 0.9167 12685 120 130.9 11.949 6.1
3:12 pm 4:07 pm 0.9167 18540 130 141.8 12.437 17
[math]\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}[/math]
1:12 pm 4:07 pm 2.9167 18540 364 124.8 6.54 20.85