Parts of GRS facility

Physical parameters and characteristics

Gamma Ray Spectrometer [GRS] with cooled germanium detector

Detector is high-purity germanium ³²Ge (67 mm x 67 mm);

Spectral resolution of nuclear lines dE/E~10^-3;

Spectroscopy of gamma-ray emission from Mars in 16000 channels at the energy range 300-8000 keV;

Neutron Spectrometer - [NS] 

BC 454 scintillation detector with 4 sections for Doppler filtering of thermal neutrons;

Sensitivity of mass content of hydrogen at the level of 10^-3 in 1 m layer of Martian surface;

High Energy Neutron Detector - [HEND]

Three proportional counters of ³He with different thickness moderators for detection of neutrons at energy ranges: 0.4- 10.0 eV, 10.0 eV -1.0 keV and 1.0 keV- 1.0 MeV;

Scintillation detector for fast neutrons at energies 1,0 –10,0 MeV, for gamma-rays at energy range 60 keV – 2 MeV and for hard X-rays at energy range 30 keV – 1 MeV;

Sensitivity of mass content of hydrogen at the level of 10^-3 in 1 m layer of Martian surface with spatial resolution 300 km;