Mu2e Straw Tube Tracker Gas Flow Quality Control
Vishal Bharatwaj, Scott N. Israel, Mamta Jangra, Minh Truong Nguyen, Joey Peck, Matthew Stortini, Nam H. Tran, Dan Ambrose, Andrew Edmonds, Hannah Hass, Emma R. Martin, Aseet Mukherjee, Klara Northrup, James L. Popp, Vadim L. Rusu, Robert S. Tschirhart, Robert L. Wagner
TL;DR
The paper introduces a gas flow quality control method for the Mu2e straw tube tracker, using ionization current measurements to identify channels with inadequate gas flow, applicable to other gaseous detectors.
Contribution
A novel, broadly applicable method for quality control of gaseous detector channels using time-dependent current measurements during gas exchange.
Findings
Successfully quantified ionization gain onset time using 55Fe source.
Correlated gain onset time with gas conductance to identify flow issues.
Method applicable to high-channel-count gaseous detector screening.
Abstract
We present a tracker gas flow quality control method developed for the Mu2e straw tube tracker. Using time-dependent current measurements, we quantify the onset time of ionization gain induced by an 55Fe source during gas exchange, which is correlated to the gas conductance in the straw. This allows for the identification of channels with inadequate flow. This approach is broadly applicable to other gaseous detectors that require high-channel-count screening.
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