DAMPE Gamma-ray Database

Mission

DAMPE DArk Matter Particle Explorer

Source：    |    Pubtime：2021-04-16

The DArk Matter Particle Explorer (DAMPE), also known as ‘Wukong’ in China, It was successfully launched into a Sun-synchrotrons orbit at an altitude of about 500 km on 17 December, 2015. Its total mass is 1850 kg and was designed to operate for at least three years.

Scientific objective

DAMPE is a high-energy particle detector optimized for studies of CREs and γ –rays up to about 10 TeV, which can measure the GeV-TeV cosmic ray electrons (including positrons) and gamma-rays with unprecedentedly high energy resolution. It can also measure nuclei to about 100 TeV per nucleon (Chang et al. 2017).



Payloads

The DAMPE instrument, from top to bottom, consists of a plastic scintillator detector (PSD), a silicon–tungsten tracker-converter (STK), a bismuth germanium oxide (BGO) imaging calorimeter, and a neutron detector (NUD).

















High-energy electron detection:
Detect Energy Region   5～10,000GeV
Energy Resolution  1.5%@800GeV
Angular Resolution  0.5︒@800GeV
Low particle background contamination Ability   >100,000
Geometric Factor  >0.3m2.sr















High-energy gamma-ray detection :
Detect Energy Region   5～10,000GeV
Energy Resolution  1.5%@800GeV
Angular Resolution  0.5︒@800GeV
Electrons and Gamma ray Distinguish Ability   >20
Geometric Factor  >0.2m2.sr















Cosmic Ray Detection:
Detect Energy Region   100～100,000GeV
Energy Resolution  Better than 40%@800GeV
Angular Resolution  1.0︒@1TeV
Geometric Factor   >0.2m2.sr