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ToF Readout Upgrade

ToF Readout Upgrade. Jamal Rorie 1/31/06 Physics 476. Background. Particles exit the beam chamber with known momentum ToF allows us to determine the mass of the particle Luminosity of beam has increased 2-fold. Overview. Board Overview. Fast PMT (input) Rise Time ~ 4ns Fall Time ~ 8ns

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ToF Readout Upgrade

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  1. ToF Readout Upgrade Jamal Rorie 1/31/06 Physics 476

  2. Background • Particles exit the beam chamber with known momentum • ToF allows us to determine the mass of the particle • Luminosity of beam has increased 2-fold

  3. Overview

  4. Board Overview

  5. Fast PMT (input) Rise Time ~ 4ns Fall Time ~ 8ns Pulse Magnitude <~4 V Trigger Rate up to 1kHz Board Requirements Charge Measurement 1GSPS or greater Negligible dead time (ping pong) 16 channel in Time Measurement Low and high threshold 16 channel in 25 ps resolution COPPER out Specs

  6. Parts • HPTDC • Lab 3 • Spartan 3

  7. Goals • Board by 3/3/06 • Firmware by 4/7/06 • Testing done by mid-May

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