Glashow resonance


In particle physics, the Glashow resonance is the resonant formation of the W boson in antineutrino-electron collisions: + →.

History

The resonance was proposed by Sheldon Glashow in 1959.

Theory

The threshold antineutrino energy for this process is given by the formula
, which gives 6.3 PeV, a huge energy for a fundamental particle. This process is considered for the detection and studies of high-energy cosmic neutrinos at the IceCube experiment, at the ANTARES neutrino telescope, and at the KM3NeT neutrino telescope.

Detection

A report observing the resonance at 2. level has been made by the IceCube experiment in March 2021.