The phrase "a heavier version of" is correct and usable in written English.
It can be used when comparing two items, indicating that one is a more substantial or intense form of the other.
Example: "This is a heavier version of the original recipe, incorporating more spices and ingredients for a richer flavor."
Alternatives: "a more robust version of" or "a denser variant of".
This means when they interact they should produce muons (a heavier version of the electron).
Most current fusion efforts look to combine two atoms of deuterium, a heavier version of hydrogen with an extra neutron.
And "Maybe Your Baby" is superb, a heavier version of the original, with swirling guitars and backup vocals that make it sound like early Funkadelic.
The saxophone and keyboards trade mighty licks, the time signatures shift and mutate, and the whole thing sounds like a heavier version of electronics-era Earthworks.
One possibility is that the particle — assuming it is real — is a heavier version of the Higgs boson, a particle that explains why other particles have mass.
Influenced by Reims rather than Chartres, the sculpture of Bamberg cathedral (c. 1230 35) is a heavier version of the Muldenstil than that at Strasbourg.
Part of the debris included particles that always came out in pairs, a muon — a heavy version of an electron — together with a neutrino.
The physicist Martin Perl, who has died aged 87, won the Nobel prize in 1995 for his discovery of the tau lepton, a heavy version of the electron.
Or it may be a heavy version of the neutrino born from a theory called supersymmetry, which calls for every known type of particle to have a more massive twin.
A new vehicle has been added, a heavy version of the pike, complete with a canon and, as Barrett puts it, "a few other tricks that you'll discover when you play it".
At first, tests might use existing research aircraft like NASA's ER-2, a heavy version of the U-2, to release small payloads of particles and then measure the effects on solar radiation and the ozone layer.
