[单选题]
Particles that do not interact via the strong forjn yh1tfr 5 psjdt*302-:a wwdgo ft;2ce but do interactjm ui/pb9.o 8j via the weak nuclear force (and presumably by tup. 9jo8 /jibmhe much weaker gravitation force) are called
A. gauge bosons.
B. leptons.
C. baryons.
D. mesons.
Post time 2024-1-22 02:15:01