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Proceedings Paper

POLAR: the first dedicated gamma-ray burst polarization experiment
Author(s): T. W. Bao; T. Batsch; I. Britvitch; F. Cadoux; J. Y. Chai; Y. W. Dong; N. Gauvin; W. Hajdas; M. N. Kong; C. Lechanoine-Leluc; Lu Li; J. T. Liu; X. Liu; R. Marcinkowski; S. Orsi; M. Pohl; N. Produit; D. Rapin; A. Rutczynska; D. Rybka; H. L. Shi; J. C. Sun; J. Szabelski; R. J. Wang; X. Wen; B. B. Wu; H. L. Xiao; H. H. Xu; Li Zhang; L. Y. Zhang; S. N. Zhang; Y. J. Zhang; A. Zwolinska
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Paper Abstract

POLAR is a Gamma-Ray Burst (GRB) polarization experiment in the energy range 50-500 keV. Detection principle of the gamma-ray polarization is based on the anisotropy of the Compton scattering. POLAR consists of 1600 low-Z plastic scintillator bars, read out by 25 flat-panel multianode photomultipliers. Simulations and experiments have shown that the polarization degree and angle can be retrieved from the modulation curves with the required accuracy. POLAR can reach a minimum detectable polarization of about 10%(3-sigma level) for several strongest GRB detections per year. Construction and assembly of the Qualification Model (QM) are ongoing, in view of a flight onboard of the Chinese Spacelab TG-2 scheduled for 2014.

Paper Details

Date Published: 17 September 2012
PDF: 7 pages
Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 84434Q (17 September 2012); doi: 10.1117/12.925635
Show Author Affiliations
T. W. Bao, Institute of High Energy Physics (China)
T. Batsch, National Ctr. for Nuclear Research (Poland)
I. Britvitch, Paul Scherrer Institut (Switzerland)
F. Cadoux, Univ. of Geneva (Switzerland)
J. Y. Chai, Institute of High Energy Physics (China)
Y. W. Dong, Institute of High Energy Physics (China)
N. Gauvin, ISDC Data Ctr. for Astrophysics (Switzerland)
W. Hajdas, Paul Scherrer Institut (Switzerland)
M. N. Kong, Institute of High Energy Physics (China)
C. Lechanoine-Leluc, Univ. of Geneva (Switzerland)
Lu Li, Institute of High Energy Physics (China)
J. T. Liu, Institute of High Energy Physics (China)
X. Liu, Institute of High Energy Physics (China)
R. Marcinkowski, Paul Scherrer Institut (Switzerland)
S. Orsi, Univ. of Geneva (Switzerland)
M. Pohl, Univ. of Geneva (Switzerland)
N. Produit, ISDC Data Ctr. for Astrophysics (Switzerland)
D. Rapin, Univ. of Geneva (Switzerland)
A. Rutczynska, National Ctr. for Nuclear Research (Poland)
D. Rybka, Paul Scherrer Institut (Switzerland)
National Ctr. for Nuclear Research (Poland)
H. L. Shi, Institute of High Energy Physics (China)
J. C. Sun, Institute of High Energy Physics (China)
J. Szabelski, National Ctr. for Nuclear Research (Poland)
R. J. Wang, Institute of High Energy Physics (China)
X. Wen, Institute of High Energy Physics (China)
B. B. Wu, Institute of High Energy Physics (China)
H. L. Xiao, Institute of High Energy Physics (China)
H. H. Xu, Institute of High Energy Physics (China)
Li Zhang, Institute of High Energy Physics (China)
L. Y. Zhang, Institute of High Energy Physics (China)
S. N. Zhang, Institute of High Energy Physics (China)
Y. J. Zhang, Institute of High Energy Physics (China)
A. Zwolinska, National Ctr. for Nuclear Research (Poland)


Published in SPIE Proceedings Vol. 8443:
Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Stephen S. Murray; Jan-Willem A. den Herder, Editor(s)

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