2. quarks three families

3. Standard - Theory

4. III II I

9. quarks only 45% of total momentum !

10. momentum

12. triangle diagram - good agreement with experiment

13. factor 9 too small in decay rate

14. Electron-positron-annihilation

20. 20 proton

23. quark model 23 color factor 3 in amplitude => experiment

25. 25

26. exact symmetry SU(3)

27. color singlets

29. Johannes Paul II

32. 8 massless gauge bosons gluons

33. electrodynamics

34. gluon chromodynamics

35. 35

37. gluons: 55% of total momentum !

38. gluons

41. quark gluongluon

46. 46

60. 60

61. 61 Feynman

62. e(-)e(+)

63. Elektron Positron Quark Antiquark

64. Meson Meson

65. e(-)e(+)

66. 66

68. 68

75. Large Hadron Collider LHC

78. quark – gluon plasma Big bang

80. electromagnetic interaction Van-der-Waals force atoms molecules

81. strong interaction nuclear force mesons baryons atomic nuclei