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IHEP 2004 - 21 (In Russian)
Bityukov S.I., Zernii Yu. V. et al.
A Method to Monitor the Measurement Accuracy of Relative Variation in PMT Spectral Sensitivity
Protvino, 2004. – p.4, figs. 2, refs.:4.


A method to monitor the relative changes in spectral sensitivity of photomultiplier tube is proposed. The method is tested with two different light sources – reference and monitored. The long term instability of the monitored light source is measured and accuracy of the method is found to be better that 2.4´10-3.


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