Figure 2 from Magnetic Structures in Gamma-Ray Burst Jets Probed by Gamma-Ray Polarization

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Magnetic Structures in Gamma-Ray Burst Jets Probed by Gamma-Ray Polarization

Authors: Daisuke Yonetoku, Toshio Murakami, Shuichi Gunji, Tatehiro Mihara, Kenji Toma, Yoshiyuki Morihara, Takuya Takahashi, Yudai Wakashima, Hajime Yonemochi, Tomonori Sakashita, Noriyuki Toukairin, Hirofumi Fujimoto, and Yoshiki Kodama

Yonetoku et al. 2012 The Astrophysical Journal Letters 758 L1.

Provider: AAS Journals

Caption: Figure 2.

Number of coincidence gamma-ray photons (polarization signals) against the scattering angle of GRB 110301A (top) and GRB 110721A (bottom) measured by the GAP in the 70–300 keV band. Black filled circles are the angular distributions of Compton scattered gamma rays after the background subtraction. The solid lines are the best-fit models of each event calculated with the Geant4 Monte Carlo simulations. The model functions of the non-polarized cases are superposed on each panel for easy comparison.

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