September 19, 2007 - Cosmic Telescope

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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]
4:22 pm of 9/18 1:22 pm of 9/19 21 199602 1210 57.62 1.656



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]
1:26 pm 2:56 pm 1.5 11843 228 152 10.07 11.6
2:56 pm 3:56 pm 1 19364 123 123 11.09 17.4
[math]\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}[/math]
1:26 pm 3:56 pm 2.5 19364 351 140.4 7.49 20.91