• DOI:10.1088/1748-0221/15/05/T05002
• Corpus ID: 208921261

Pulse shape particle identification by a single large hemispherical photomultiplier tube

@article{Samani2019PulseSP,
  title={Pulse shape particle identification by a single large hemispherical photomultiplier tube},
  author={Soniya Samani and Shivesh Mandalia and Carlos A. Arg{\"u}elles and Spencer N. Axani and Y. Li and M. Moulai and Bunheng Ty and Z. D. Xie and Janet M. Conrad and Teppei Katori and P. W. Sandstrom},
  journal={Journal of Instrumentation},
  year={2019},
  volume={15},
  pages={T05002 - T05002}
}

• S. Samani, S. Mandalia, +8 authors P. Sandstrom
• Published 9 December 2019
• Physics
• Journal of Instrumentation

In neutrino experiments, hemispherical photomultiplier tubes (PMTs) are often used to cover large surfaces or volumes to maximize the photocathode coverage with a minimum number of channels. Instrumentation is often coarse, and neutrino event reconstruction and particle identification (PID) is usually done through the morphology of PMT hits. In future neutrino experiments, it may be desirable to perform PID from a few hits, or even a single hit, by utilizing pulse shape information. In this report, we study the principle of pulse shape PID using a single 25.4 cm hemispherical PMT in a spherical glass housing for future neutrino telescopes. We use the Fermilab Test Beam Facility (FTBF) MTest beam line to demonstrate that with pulse shape PID, it is possible to statistically separate 2 GeV electrons from 8 GeV pions, where the total charge deposition is ̃20 PE in our setup. Such techniques can be applied to future neutrino telescopes focusing on low-energy physics, including the IceCube-Upgrade.