The absorption of a neutron into an atom. The atom becomes energized and releases gamma rays of capture. The effect is used in well logging.

原子吸收中子的过程。原子受到激发，释放俘获伽马射线。测井中用到这种效应。

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The Fermi telescope is specially designed to capture gamma rays, and the team was surprised to find that it was spitting out gamma rays at completely unexpected energies.

BBC: Gamma rays from nova explosion surprise astronomers

But they do not capture the cosmic rays and gamma rays directly.

BBC: Hawc gamma-ray telescope captures its first image