MiniPrototype SinglesCosmicRuns 2008

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Goal

Use singles Cosmic events to measure rate differences between Metalica and Plastica

Apparatus

  • Plastica and Metalica are stacked on top of each other. High Voltage and ionization gas are connected in parallel.
  • A discriminator is connector to the amplified output (an on board preamp and the VPI Post amp) of sense wire 4.
  • The discriminator output is connected to a VME scaler.

Proposed Tests

  1. Measure the singles rate as a function of DC high voltage
  2. Measure the singles rate as a function of Discriminator Threshold


30-04-2008

The DC high voltage is on. The DC outputs of Plastika and Metalica from sense wire 3 are connected to the Model 777 Octal Variable Gain Amplifier.


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