A Comprehensive Analysis of Polarized γ-ray beam data with the HARPO demonstrator

  • R. Yonamine
  • , S. Amano
  • , D. Attié
  • , P. Baron
  • , D. Baudin
  • , D. Bernard
  • , P. Bruel
  • , D. Calvet
  • , P. Colas
  • , S. Daté
  • , A. Delbart
  • , M. Frotin
  • , Y. Geerebaert
  • , B. Giebels
  • , D. Götz
  • , P. Gros
  • , S. Hashimoto
  • , D. Horan
  • , T. Kotaka
  • , M. Louzir
  • Y. Minamiyama, S. Miyamoto, H. Ohkuma, P. Poilleux, I. Semeniouk, P. Sizun, A. Takemoto, M. Yamaguchi, S. Wang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We investigate the feasibility of gaseous TPC as a telescope and a polarimeter for cosmic gamma-rays, focussing on the energy range from 1 to 100 MeV. Our beam results show the angular resolution can reach a factor of 2 better than that of the Fermi LAT. We also demonstrate polarimetry with a high significance and an excellent dilution factor, for the first time above the pair production threshold and below 1 GeV.

Original languageEnglish
Title of host publicationProceedings of International Conference on Technology and Instrumentation in Particle Physics 2017 - Volume 1
EditorsZhen-An Liu
PublisherSpringer Science and Business Media, LLC
Pages27-30
Number of pages4
ISBN (Print)9789811313127
DOIs
Publication statusPublished - 1 Jan 2018
EventInternational Conference on Technology and Instrumentation in Particle Physics, TIPP 2017 - Beijing, China
Duration: 22 May 201726 May 2017

Publication series

NameSpringer Proceedings in Physics
Volume212
ISSN (Print)0930-8989
ISSN (Electronic)1867-4941

Conference

ConferenceInternational Conference on Technology and Instrumentation in Particle Physics, TIPP 2017
Country/TerritoryChina
CityBeijing
Period22/05/1726/05/17

Keywords

  • Gamma-ray
  • Polarimetry
  • Saturation
  • TPC

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