Gamma-Ray Polarimetry

  • Denis Bernard
  • , Tanmoy Chattopadhyay
  • , Fabian Kislat
  • , Nicolas Produit

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

While the scientific potential of high-energy X-ray and gamma-ray polarimetry has long been recognized, measuring the polarization of high-energy photons is challenging. To date, there have been very few significant detections from an astrophysical source. However, recent technological developments raise the possibility that this may change in the not-too-distant future. Significant progress has been made in the development of gamma-ray burst (GRB) polarimeters and polarization-sensitive Compton telescopes. A second-generation dedicated GRB polarimeter, POLAR-2, is under development for launch in 2024, and COSI, a second-generation polarization sensitive Compton telescope, has been selected by NASA for launch in 2025. This chapter reviews basic concepts and experimental approaches to scattering polarimetry of hard X-rays to MeV γ-rays and pair production polarimetry of higher-energy photons.

Original languageEnglish
Title of host publicationHandbook of X-ray and Gamma-ray Astrophysics
PublisherSpringer Nature
Pages2173-2213
Number of pages41
ISBN (Electronic)9789811969607
ISBN (Print)9789811969591
DOIs
Publication statusPublished - 1 Jan 2024

Keywords

  • Black hole accreting systems
  • Compton polarimetry
  • Gamma-ray bursts
  • Gamma-rays
  • Instrumentation
  • Neutron stars
  • Pair production polarimetry
  • Polarization

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