September 14, 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 9/13 1:10 pm of 9/14 21 164539 1582 75.33 1.894



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 2:12 pm 1 6130 126 126 11.22 2.7
2:12 pm 3:12 pm 1 11913 116 116 10.77 7.3
3:12 pm 4:12 pm 1 17738 128 128 11.31 4.7
[math]\sigma = \sqrt{\frac{\sum (x_i - \bar{x})^2}{N-1}}[/math]
1:12 pm 4:12 pm 3 17738 370 123.3 6.41 6.43