W boson

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W boson

n.
Either of two charged intermediate vector bosons that have a positive or a negative charge and a mass about 157,350 times that of the electron and that mediate weak interactions in which the charges of participating particles change.

W boson

n
(General Physics) physics another name for W particle
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References in periodicals archive ?
Search for heavy neutrinos and W bosons with right-handed couplings in proton-proton collisions at [square root of s] = 8 TeV.
Atlas has already identified what appear to be lower-mass W bosons from their "decay products" in collisions at the LHC.
In the last step, having sorted jets in [p.sub.T], several requirements are applied to find the best combination of subjets with two subjets giving the best W boson invariant mass and the whole three subjets to be consistent with the top quark invariant mass.