# MPGD Optical Read Out for Directional Dark Matter Search

## TL;DR

This paper discusses the use of optical readout in MPGD technology for directional dark matter detection, enabling detailed 3D tracking and particle identification in gaseous detectors.

## Contribution

It introduces a novel optical readout approach for MPGD detectors that enhances 3D track reconstruction and particle discrimination capabilities for dark matter searches.

## Key findings

- Effective 3D reconstruction of particle tracks in gas detectors.
- Improved particle identification through energy density measurement.
- Potential for large-volume, low-channel-count dark matter detectors.

## Abstract

The Time Projection method is an ideal candidate to track low energy release particles. Large volumes can be readout by means of a moderate number of channels providing a complete 3D reconstruction of the charged tracks within the sensitive volume. It allows the measurement not only of the total released energy but also of the energy release density along the tracks that can be very useful for particle identification and to solve the head-tail ambiguity of the tracks. Moreover, gas represents a very interesting target to study Dark Matter interactions. In gas, nuclear recoils can travel enough to give rise to tracks long enough to be acquired and reconstructed.