SMILE: A balloon-borne sub-MeV/MeV gamma-ray Compton Camera using an Electron-Tracking gaseous TPC and a scintillation camera

T. Sawano, K. Hattori, N. Higashi, I. Iwaki, S. Kabuki, Y. Kishimoto, H. Kubo, S. Kurosawa, Y. Matsuoka, K. Miuchi, K. Nakamura, H. Nishimura, J. Parker, A. Takada, M. Takahashi, T. Tanimori, K. Taniue, K. Ueno

Research output: Contribution to conferencePaperpeer-review

1 Citation (Scopus)

Abstract

We have been developing an Electron-Tracking Compton Camera (ETCC) as a next generation MeV gammaray detector, consisting of a gaseous electron tracker which measures the three-dimensional track and the energy of the Compton-recoil electron, and pixel scintillation arrays which measure the absorption point and the energy of the scattered gamma ray. As the first step toward a future all-sky survey with a planned sensitivity of one order magnitude higher than COMPTEL, we successfully observed the diffuse cosmic and atmospheric gamma rays at balloon altitudes with a small ETCC in the Sub-MeV gamma-ray Imaging Loaded-on-balloon Experiment I (SMILE-I). Building on the success of the SMILE-I ETCC, we are developing a large size ETCC for the next flight to observe celestial objects in the sub-MeV/MeV region. This larger detector is expected to achieve a sensitivity comparable to COMPTEL.

Original languageEnglish
Pages183-186
Number of pages4
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event32nd International Cosmic Ray Conference, ICRC 2011 - Beijing, China
Duration: 2011 Aug 112011 Aug 18

Other

Other32nd International Cosmic Ray Conference, ICRC 2011
Country/TerritoryChina
CityBeijing
Period11/8/1111/8/18

Keywords

  • Balloon
  • Compton telescope
  • Gasous detector
  • MeV gamma-ray

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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