Acoustic detection potential of single minimum ionizing particles in viscous liquids

TL;DR

This paper models the acoustic signals generated by single ionizing particles in viscous liquids, incorporating viscosity effects perturbatively, and applies the model to predict signals from relativistic muons.

Contribution

It introduces a systematic perturbative approach to include viscosity effects in acoustic signal modeling for ionizing particles in liquids, along with a computational simulation framework.

Findings

Validated the perturbative method for viscosity corrections

Predicted acoustic signals for relativistic muons in different liquids

Provided a computational tool for acoustic signal simulation

Abstract

An ionizing particle passing through a liquid generates acoustic signals via local heat deposition. We delve into modeling such acoustic signals in the case of a single particle that interacts with the liquid electromagnetically in a generic way. We present a systematic way of introducing corrections due to viscosity using a perturbative approach so that our solution is valid at large distances from the interaction point. A computational simulation framework to perform the calculations described is also provided. The methodology developed is then applied to predict the acoustic signal of relativistic muons in various liquids as a toy model.