October 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 330 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 10/24 1:10 pm of 10/25 21 177418 2106 100.29 2.185



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 8354 134 134 11.36 1.33
2:11 pm 3:11 pm 1 16403 129 129 11.36 3.67
3:11 pm 4:11 pm 1 24761 135 135 11.62 2.33
[math]\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}[/math]
1:11 pm 4:11 pm 3 24761 398 132.67 6.65 4.55