1. H. Fritzsch

2. quantum chromo dynamics electroweak gauge theory

4. Special quantum relativity mechanics

5. Standard Theory particle physics

6. 1936 => matter atoms electrons + nuclei

7. Proton Electron

8. nucleus protons neutrons

9. electric force strong force

11. 1935 Heisenberg / Pauli

13. 1935 strong interactions - meson exchange - Hideki Yukawa meson

14. mass: 140 MeV nucleon

15. 1932 Heisenberg Isospin

17. pions: triplet eta: singlet

18. weak decay  elm. decay 

20. LBL Berkeley Golden gate

21. 1953 pion nucleon

22. delta quadruplet 1230 MeV

24. 24 1950  1 discovery of new particles in cosmic rays Hyperons K-mesons

26. pair production

27. 6 hyperons

28. 8 baryons

29. new mesons

30. 8 mesons

33. strangeness conserved in processes of strong interactions

37. strangeness not conserved in processes of weak interactions

39. S conserved elm. process S=-2  S=-1

42. 8 baryons

44. 8 mesons => octet

45. Isospin breaking about 1% _______________________________ SU(3)-symmetry breaking about 20% !

46. Group theory

47. U(n) group of complex unitary n x n matrices SU(n) n x n matrices det U = 1

48. U = exp (iH) H: Hermitean n x n matrix

49. det U = exp i (trH) SU(n): det U = 1 tr H = 0

50. SU(n) (n x n-1) generators SU(2): 3 SU(3): 8 SU(4): 15 SU(5): 24

57. structure constants

59.  quarks triplet  fundamental representation

62. quark triplet

63. steps p / q irreducible representations

64. each state is described by 3 numbers:

72. 1232 MeV 1530 MeV 1385 MeV Decuplet ???

73. Decuplet ?

75. mesons singlets, octets baryons singlets, octets, decuplets triplets? sextets?

77. 77

78. Three quarks for Muster Mark! Finnegans Wake, page 383

79. Three quarks for Muster Mark! Drei Mark für Musterquark!

80. SU(3)

83. Symmetry breaking quark masses m(u)=m(d)=m(s)  SU(3) unbroken

84. m(u): 5 MeV m(d): 7 MeV m(s): 110 MeV  SU(3) broken

85. m(u): 5 MeV m(d): 7 MeV m(d) > m(u)  isospin broken by quark masses m(neutron) > m(proton) !!!

87. 87

90. strangeness: - minus number of strange quarks !

91. 91

104. 104

105. 105

108. scaling behaviour cross section

111. partons quarks

112. 112

113. current commutators near the light cone abstracted from free quark model  explains scaling ---------behaviour---------- ---

114. 114

115. 115 1 x x = quark-momentum / proton-momentum Expected: x => 1/3

116. observed

117. 1974 : SPEAR Stanford

118. J/ψ

119. electron-positron-annihilation J/ψ: 3,1 GeV

122. c: Charm - Quark

123. D-mesons ( masses ~ 1870 MeV )

124. D-mesons decay: weak interactions

125. 1977 Fermilab discovery Y „upsilon“

126. upsilon meson (ϒ) 9.46 GeV ϒ=ϒ=

128. 128

129. discovery of t-quark

130. CDF-detector

133. t-quark gold atom

134. t-quark decay very fast no time to form a hadron => No T-mesons No T-baryons