PANGU: A Wide Field Gamma-Ray Imager and Polarimeter

被引：3

作者：

Wu, X. ^{[1
]}

Walter, R. ^{[2
]}

Su, M. ^{[3
]}

Ambrosi, G. ^{[4
]}

Azzarello, P. ^{[1
]}

Bottcher, M. ^{[5
]}

Chang, J. ^{[6
]}

Chernyakova, M. ^{[7
]}

Fan, Y. ^{[6
]}

Farnier, C. ^{[8
]}

Gargano, F. ^{[9
]}

Grenier, I. ^{[10
]}

Hajdas, W. ^{[11
]}

Mazziotta, M. N. ^{[9
]}

Pearce, M. ^{[12
]}

Pohl, M. ^{[1
]}

Zdziarski, A. ^{[13
]}

机构：

[1] Univ Geneva, Dept Particle & Nucl Phys, Geneva, Switzerland

[2] Univ Geneva, Dept Astron, ISDC, Geneva, Switzerland

[3] MIT, Kavli Inst Astrophys & Space Res, Cambridge, MA 02139 USA

[4] Ist Nazl Fis Nucl, Perugia, Italy

[5] North West Univ, Potchefstroom, South Africa

[6] Purple Mt Observ, Purple, Peoples R China

[7] Dublin City Univ, Sch Phys Sci, Dublin, Ireland

[8] Univ Stockholm, Oskar Klein Ctr, Stockholm, Sweden

[9] Ist Nazl Fis Nucl, Bari, Italy

[10] CEA Saclay, IRFU, Saclay, France

[11] Paul Scherrer Inst, Villigen, Switzerland

[12] KTH Royal Inst Technol, Oskar Klein Ctr, Stockholm, Sweden

[13] Nicolaus Copernicus Astron Ctr, Warsaw, Poland

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY | 2016年 / 9905卷

关键词：

Gamma-ray telescope; polarimiter; pair production; silicon tracker; LARGE-AREA TELESCOPE; HIGH-ENERGY; COSMIC-RAY; X-RAY; STARBURST GALAXIES; SPECTRAL COMPONENT; FERMI BUBBLES; SOLAR-FLARES; MILKY-WAY; CYG X-1;

D O I：

10.1117/12.2231871

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

PANGU (the PAir-productioN Gamma-ray Unit) is a gamma-ray telescope with a wide field of view optimized for spectro-imaging, timing and polarization studies. It will map the gamma-ray sky from 10 MeV to a few GeV with unprecedented spatial resolution. This window on the Universe is unique to detect photons produced directly by relativistic particles, via the decay of neutral pions, or the annihilation or decay light from anti-matter and the putative light dark matter candidates. A wealth of questions can be probed among the most important themes of modern physics and astrophysics. The PANGU instrument is a pair-conversion gamma-ray telescope based on an innovative design of a silicon strip tracker. It is light, compact and accurate. It consists of 100 layers of silicon micro-strip detectors of 80 x 80 cm(2) in area, stacked to height of about 90 cm, and covered by an anticoincidence detectors. PANGU relies on multiple scattering effects for energy measurement, reaching an energy resolution between 30-50% for 10 MeV - 1GeV. The novel tracker will allow the first polarization measurement and provide the best angular resolution ever obtained in the soft gamma ray and GeV band.

引用

页数：18

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