Hakuluettelo:
Käännös:
pentaquark (suomeksi)
- Määritelmät:
- (lb, en, particle) Any of a class of subatomic particles (previously hypothetical, since detected, subject to confirmation) consisting of a group of five quarks (compared to three quarks in normal baryons and two in mesons), or more specifically four quarks and one antiquark (symbol Θ).