Of the 10 trillion Fermilab-produced neutrinos that flit through the detector each year, only about 1,500 actually leave a trace.
From the economist.com
As fluorescently labeled fragments of discrete sizes pass a detector, the four-channel emission spectrum is used to generate a sequencing trace.
From the nature.com
Bawa and his 24-year-old son, also wearing a turban, passed through the detector, but then were told they must go through an explosives trace detection test, he said.
From the kentucky.com
Each antineutrino detector at Daya Bay is lined with photomultiplier tubes to catch the faint trace of antineutrino reactions in the scintillator fluids that fill the detectors.