(redirected from Imaginary mass)
Also found in: Encyclopedia.


A hypothetical subatomic particle that always travels faster than the speed of light.

tach′y·on′ic adj.


(Nuclear Physics) physics a hypothetical elementary particle capable of travelling faster than the velocity of light
[C20: from tachy- + -on]


(ˈtæk iˌɒn)

a hypothetical subatomic particle that travels faster than the speed of light.
[1967; < Greek tachý(s) swift]
Mentioned in ?
References in periodicals archive ?
In brief, I subscribe to the idea that the Higgs field can also act as an intermediary field carrying a mindlike quality through its production of the imaginary mass (tachyonic) component when it interacts with fermion fields.
In other words, electric charge is represented as an imaginary mass.
There is something to these reports rather than some imaginary mass hysteria," says Bill Walker, California director of the EWG.
Symbolical killings, fantastic rides, imaginary mass murders -- all must be brought out.
This means that, given any of the planets of the Solar System, the singulary surface separating our world and the imaginary mass particles world in its gravitational field draws the sphere of the radius about one centimetre around its centre of gravity.
e) Considering some recent proposals suggesting that neutrino can have imaginary mass [10], the aforementioned imaginary part of solution of BQKGE can also imply that the (supersymmetric-) meson may be composed of neutrino(s).