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Mitrofanov I.G.,Space Research Institute | Litvak M.L.,Space Research Institute | Varenikov A.B.,Space Research Institute | Barmakov Y.N.,All Russian Institute of Automatics | And 19 more authors.
Space Science Reviews | Year: 2012

The description of Dynamic Albedo of Neutrons (DAN) experiment is presented, as a part of the NASA's Mars Science Laboratory mission onboard the mars rover Curiosity. The instrument DAN includes Pulsing Neutron Generator (PNG) producing pulses of 14.1 MeV neutrons for irradiation of subsurface material below the rover, and Detectors and Electronics (DE) unit, which operates the instrument itself and measures the die-away time profiles of epithermal and thermal neutrons following each neutron pulse. It is shown that the DAN investigation will measure a content of hydrogen along the path of the MSL rover, and it will also provide information about a depth distribution of hydrogen at 10-20 regions selected for the detailed studies and sampling analysis. © 2012 Springer Science+Business Media B.V.

Belyaev V.S.,Federal State Unitary Enterprise | Kovkov D.V.,Federal State Unitary Enterprise | Matafonov A.P.,Federal State Unitary Enterprise | Karabadzhak G.F.,Federal State Unitary Enterprise | And 11 more authors.
Quantum Electronics | Year: 2013

The shape of the X-ray pulse generated by picosecond laser plasma is experimentally studied. The unusual phenomenon was experimentally observed for the first time for targets made of moderate-heavy chemical elements, namely, the pulse of hard X-ray radiation generated by laser plasma at the laser radiation flux of ̃1018 W cm-2 had a longer duration than the pulse of softer X-ray radiation. A simple kinetic model is suggested for explaining this fact. We have suggested a method for controlling the temporal shape of X-ray pulse emitted by laser plasma by varying the contrast of laser pulse. © 2013 Kvantovaya Elektronika and Turpion Ltd.

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