How best to statistically analyse a PMT signal?

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Discussion Overview

The discussion revolves around the analysis of signals collected from photomultiplier tubes (PMTs). Participants explore various statistical methods and considerations for analyzing PMT data, including correlation detection and synchronous detection techniques. The conversation touches on different aspects of the signals and the context in which they are collected.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant suggests applying the two signals to a correlation detector as a potential analysis method.
  • Another participant expresses uncertainty about the correlation detector and indicates a willingness to research it further.
  • A different participant questions the specifics of the PMT setup, asking for details about what the PMT is observing, such as whether it is linked to a scintillator or spectrometer.
  • Another contribution mentions that if the light is supplied, synchronous detection with a modulated source is a common method, noting that this differs from background subtraction due to instrumentation reasons.
  • One participant raises questions about what specific aspects of the PMT signal are being analyzed, such as leading edge, gain, quantum efficiency, or dark current, indicating a variety of potential analysis targets.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the best method for analyzing the PMT signals, with multiple competing views and questions remaining unresolved.

Contextual Notes

The discussion lacks specific details about the experimental setup and the nature of the signals being analyzed, which may affect the applicability of the proposed methods.

rwooduk
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TL;DR
I am looking for advice on statistical analysis of a PMT signal
Hello,

I have recently started collecting photomultiplier tube (PMT) tube data, and I'm curious how best to analyse it (attached right). I also have a background capture (attached left). I am looking to get the relative total intensity and any other statistical analysis I could make. Is anyone familiar with such a signal?

Thanks for any advice.
 

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I think you could apply the two signals to a correlation detector.
 
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tech99 said:
I think you could apply the two signals to a correlation detector.
I don't know what this is but will look into it, many thanks.
 
rwooduk said:
collecting photomultiplier tube (PMT) tube data
Maybe you want to reveal to us what this is all about ? What is your PMT looking at ? A scintillator, a spectrometer, something else ?

##\ ##
 
If you are supplying the light (i.e this is a remission signal) the most common method is some form of synchronous detection with a modulated source. Not identical to background subtraction for instrumentation reasons. Also sometimes a PMT is not the best choice. What is the apparatus?
 
He's been gone for almost a year.

My question would be "analysis of what?" Leading edge? Gain? Quantum efficiency? Dark current? The list goes on...
 
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