September 21, 2007 - Cosmic Telescope

Nathan:

Please create a table below which records all of the 60 degree data

Then calculate the variance of the data in that table.

Measure coincidence cosmic rates at an angle of 75 degrees over the weekend.

Then during next week lets do 45 degrees overnight and continue the 0 degrees during the day.

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]
4:13 pm of 9/20	1:18 pm of 9/21	21.083	130154	1012	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]
1:22 pm	2:22 pm	1	5733	129	129	11.36	11.4
2:22 pm	3:52 pm	1.5	13951	182	121.33	11.01	19.07
1:26 pm	3:56 pm	2.5	19364	351	140.4	7.49