HARPO: 1.7 - 74 MeV gamma-ray beam validation of a high angular resolutio n, high linear polarisation dilution, gas time projection chamber telescope and polarimeter

TL;DR

HARPO develops a gas time projection chamber for high-resolution gamma-ray detection and polarization measurement, demonstrating promising capabilities for future astrophysical observations in the MeV energy range.

Contribution

The paper presents the design, validation, and future prospects of a novel gas TPC for gamma-ray astronomy and polarimetry, advancing high angular resolution and polarization sensitivity.

Findings

Validated gamma-ray beam detection capabilities

Achieved high angular resolution in gamma-ray measurements

Demonstrated potential for gamma-ray polarimetry

Abstract

A presentation at the SciNeGHE conference of the past achievements, of the present activities and of the perspectives for the future of the HARPO project, the development of a time projection chamber as a high-performance gamma-ray telescope and linear polarimeter in the e+e- pair creation regime.