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  1. Vor 4 Tagen · coincidence events, in which the coincident γ rays were de-tected within 100 ns of each other, were used to generate a prompt symmetric γ-γmatrix and a γ-γ-γcube. Furthermore, an asymmetric early-delayed γ-γ matrix was constructed for the γ rays detected within the 200-1200 ns with respect to each other. In such a matrix, the early and ...

  2. en.wikipedia.org › wiki › TechnetiumTechnetium - Wikipedia

    Vor 14 Stunden · It is well suited to the role because it emits readily detectable 140 keV gamma rays, and its half-life is 6.01 hours (meaning that about 94% of it decays to technetium-99 in 24 hours). The chemistry of technetium allows it to be bound to a variety of biochemical compounds, each of which determines how it is metabolized and deposited in the body, and this single isotope can be used for a ...

  3. Vor 5 Tagen · Cosmic Leap: NASA Swift Satellite and AI Unravel the Distance of the Farthest Gamma-Ray Bursts Swift, illustrated here, is a collaboration between NASA’s Goddard Space Flight Center in Greenbelt, Maryland, Penn State in University Park, the Los Alamos National Laboratory in New Mexico, and Northrop Grumman Innovation Systems in ...

  4. Vor 6 Tagen · Scientists at EPFL have devised and tested out a new, gamma-noise method for monitoring nuclear reactors non-invasively and from a distance. The new method, tested out on EPFL’s CROCUS nuclear reactor, can improve nuclear safety and treaty compliance.

  5. Vor 2 Tagen · Description. The gamma-ray/neutron spectrometer (GR/NS) is designed to map major element (O, Si, Fe, Ti, Mg, Al, Ca) and trace element (U, Th, K, H, Gd, Sm) composition of the surfaces of Vesta and Ceres in order to help determine their geological composition.

  6. Vor 5 Tagen · Gamma-radiation monitoring reduces the requirement for direct contact with the reactor core while improving the speed and precision of data collecting by accurately detecting prompt decay constants. The new method offers reliable, non-invasive monitoring of various nuclear reactors, including SMRs.

  7. Vor 2 Tagen · Description. The MESSENGER Gamma-Ray and Neutron Spectrometer (GRNS) is designed to return data on the elemental composition of Mercury's surface, particularly abundances of O, Si, S, Fe, H, K, Th, and U. This will allow production of global compositional maps.