particles
   gauge and Higgs bosons see [unranked] elementary bosons
     heavy bosons other than Higgs bosons [hypothetical]
       1.1 W' [hypothetical] - heavy charged vector boson other than W
       1.2.1 W(R) [hypothetical: left-right symmetric models] - right-handed W boson
       1.2.2 W(L) [hypothetical: left-right symmetric models] - left-handed W boson
       2.1 Z' [hypothetical] - heavy neutral vector boson other than Z
       2.2 Z(LR) [hypothetical: left-right symmetric models]
       2.3 Z(chi) [hypothetical]
       2.4 Z(psi) [hypothetical]
       2.5 Z(eta) [hypothetical]
       3 leptoquarks [hypothetical]
       4 diquarks [hypothetical]
       5 g(A) [hypothetical]
       6 X0 [hypothetical] - heavy boson