Symbol | Composition | Year Discovered | Particle | % Correct |
---|---|---|---|---|
e− | elementary (lepton) | 1897 (Thomson) | electron | 97%
|
u, d, s | elementary model | 1964 (Gell-Mann and Zweig) | quarks | 90%
|
n | composite (baryon) | 1932 (Chadwick) | neutron | 89%
|
p | composite (baryon) | 1919 (Rutherford) | proton | 88%
|
α | composite (atomic nucleus) | 1899 (Rutherford) | {alpha} particle | 78%
|
— | elementary (quantum) | 2012 (CERN) | {Higgs} boson | 75%
|
c | elementary (quark) | 1974 | {charm} quark | 68%
|
γ | elementary (quantum) | 1905 (Einstein) | photon | 67%
|
b | elementary (quark) | 1977 | {bottom} quark | 65%
|
μ− | elementary (lepton) | 1936 (Anderson) | muon | 65%
|
t | elementary (quark) | 1995 | {top} quark | 62%
|
νe, et al. | elementary (lepton) | 1956 (Cowan and Reines) | neutrinos | 61%
|
e+, et al. | — | 1932 (Anderson) | {anti}particles | 52%
|
π | composite (mesons) | 1947 (Lattes, Occhialini and Powell) | pion | 44%
|
K | composite (mesons) | 1947 | kaon | 31%
|
W±, Z0 | elementary (quantum) | 1983 (CERN) | {weak} bosons | 30%
|
Λ0, et al. | composite (baryons) | 1950 (University of Melbourne) | {lambda} baryons | 20%
|
— | composite | 2019 (CERN) | {penta}quark | 9%
|
Zc(3900), et al. | composite | 2013 | {tetra}quark | 8%
|
Copyright H Brothers Inc, 2008–2024
Contact Us | Go To Top | View Mobile Site