Normalized and BKG subtracted data

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Revision as of 23:13, 14 September 2012 by Kosiolek (talk | contribs)
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For all the timing spectra it was calculated K1(left)-K2(right).

Co-60 was used as a source. 2 thick Pb brick with hole of a diameter ~5mm was used as a collimator.

Source is 15.85 cm away from the left PMT

15 85 source subtr bkg.png

Source is 26.035 cm away from the left PMT

26 035 source subtr bkg.png

Source is 36.2 cm away from the left PMT

36 2 source subtr bkg.png

Source is 46.35 cm away from the left PMT

46 35 source subtr bkg.png

Source is 56.2 cm away from the left PMT

56 2 source subtr bkg.png

Source is 66.82 cm away from the left PMT

66 82 source subtr bkg.png

Source is 76.83 cm away from the left PMT

76 83 source subtr bkg.png

Source is 87 cm away from the left PMT

87 source subtr bkg.png

Final calibration curve

The whole width of a single error bar represents the value of sigma in time difference spectrum for BKG subtracted data.

Calibration curve corrected.jpg

Hence, the slope is 0.1450 ns/cm or 6.89 cm/ns.

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