Developing Scintillation Light Readout Simulation for the SBND experiment

TL;DR

This paper discusses the development of detailed Monte Carlo simulations for scintillation light detection in the SBND experiment, aiming to improve resolution through optimized light collection systems.

Contribution

It introduces a novel simulation approach within the LArSoft framework for two different light detection systems in SBND, addressing computational challenges.

Findings

Simulation effectively models light collection efficiency.

Reflector foil system enhances photon detection without additional photodetectors.

Current status of simulation development and comparison of systems.

Abstract

Detection of scintillation light can play several important roles in LArTPCs. Increased collection efficiency could result in the improvement of time, energy, and position resolution. The SBND collaboration is developing detailed MC simulations to study the performance of different types of light systems in the LArSoft framework. Due to the vast number of photons typically produced in neutrino physics events, a full optical simulation becomes extremely hard to run on reasonable time scales. I will describe how the SBND simulation tackles these problems and its current status for two of the light detection systems considered by SBND: (i) a traditional TPB-coated PMT based system and (ii) a system based on TPB-coated reflector foils to increase collection efficiency without increasing the number of photodetectors.