上夸克 上反夸克 下夸克 下反夸克 奇夸克 奇反夸克 夸克 反夸克 底夸克 底反夸克 顶夸克 顶反夸克
上夸克 下夸克 奇夸克 底夸克 顶夸克 夸克 上反夸克 下反夸克 奇反夸克 底反夸克 顶反夸克 反夸克
夸克被一串胶 中子 包含夸克和 介子 子粘在一起 反夸克的对 夸克只能存在于无色的组合之中 由夸克和反夸克还可以组成无色 红、绿和蓝夸克被胶子束缚形成一个“白”中 的组合，其颜色被对消了（如红+反红）。 子。 夸克的色禁闭
夸克的色禁闭
High Energy electron-proton scattering quark electron Jet of Particles New Stuff from E Mc2 New,unstable particles,can NOT be explained as made of up and down quarks only
electron quark New Stuff from E = Mc2 New, unstable particles, can NOT be explained as made of up and down quarks only. High Energy electron-proton scattering Jet of Particles
☒up(u)；down(d),1968 Physicists at the Stanford Linear Accelerator Center (SLAC)observe the first evidence for quarks inside the proton.Friedman,Kendall and Taylor receive the 1990 Nobel Prize. J.I.Friedman, H.W.Kendall, R.E.Taylor MT,1930- MIT,1926-1999 US,1929-
Ìup (u); down (d), 1968 l Physicists at the Stanford Linear Accelerator Center (SLAC) observe the first evidence for quarks inside the proton. Friedman, Kendall and Taylor receive the 1990 Nobel Prize. J. I. Friedman, MIT,1930- H.W. Kendall , MIT, 1926-1999 R.E. Taylor US, 1929-
函strange(S) ● In 1956,Gell-Mann of Caltech explains the relative longevity of kaons with the concept of strangeness and receives Nobel Prize in 1969. ● In 1964,At Brookhaven National Laboratory (BNL), Cronin and Fitch find that kaons violate the matter- antimatter (CP)symmetry.They receive the 1980 Nobel Prize. M.Gell-Mann, J.W.Cronin V.L.Fitch CIT,1929- U.Chicago,1931- Priceton U.1923-
Ìstrange (s) : l In 1956, Gell-Mann of Caltech explains the relative longevity of kaons with the concept of strangeness and receives Nobel Prize in 1969. l In 1964, At Brookhaven National Laboratory (BNL), Cronin and Fitch find that kaons violate the matterantimatter (CP) symmetry. They receive the 1980 Nobel Prize. M.Gell-Mann, CIT,1929- J.W.Cronin U.Chicago,1931- V.L.Fitch Priceton U. 1923-