Higgs:The invention and discovery of the 'God Particle'

Home > Other > Higgs:The invention and discovery of the 'God Particle' > Page 22
Higgs:The invention and discovery of the 'God Particle' Page 22

by Higgs- The Invention


  fermions 65, 90

  quarks as 96–7

  and supersymmetry 181–2

  Feynman, Richard 41, 64, 104, 121

  and quantum electrodynamics 14, 44, 45

  parton model 124–5

  field particles/force carriers 45

  acquisition of mass 85–9 see also B particles; photons; gluons; W particles; Z particles

  fields 28, 28n, 38–9

  Fifteenth International Symposium on Lepton-Photon Interactions at High Energies, Mumbai, 2011 205, 208

  Finnegan’s Wake (Joyce) 80

  five-sigma evidence 193–4, 204, 216-8

  flavour 111, 177, 220

  Fletcher, Harvey 79

  Fock, Vladimir 33

  form and substance 1–15

  Franklin, Benjamin 46

  Friedman, Jerome 122, 124

  Frisch, Otto 40

  Fritzsch, Harald 108–10

  and quantum chromodynamics 137

  and quark colours 110–12, 110n

  Gargantua 129n

  gauge theory 30–1, 33–5

  connection with wave mechanics 31–3

  Gell-Mann, Murray 62–3, 64, 109–10

  Eightfold Way 68–70

  initial particle pattern construction 65–8

  Nobel Prize 107–8, 108n

  omega particle prediction 71–2

  and ‘put-ons’ 124n

  and quantum chromodynamics 137

  and quark colours 110–12, 110n

  quark model 78–84, 97

  and strangeness 58–9

  general covariance 29, 30

  general theory of relativity 20, 29, 103–4

  Georgi, Howard 155, 182

  grand unified theory 155–6, 157

  Gianotti, Fabiola 187, 194, 210, 216

  Gillies, James 201, 207

  Gipp, George 161–2

  Glaser, Donald 128

  Glashow, Sheldon 61–2, 68, 106, 140

  electro-weak quantum field theory xvi, 62–3, 67, 91, 98–102, 153

  grand unified theory (GUT) 155–6, 157, 181

  Nobel Prize 143–4

  Glashow-Iliopoulos-Maiani (GIM) mechanism 100–1, 126, 134

  gluon ‘jets’ 142–3

  gluons 111, 112, 142, 221

  colour charge 137

  fusion 197

  masslessness 137n

  and nucleon mass 139–40, 221

  ‘string’ model 138

  God particle see Higgs boson

  Goldberg, Haim 83

  Goldstone, Jeffrey xv, xvi, 77 see also Nambu-Goldstone bosons

  Goldstone theorem 77–8, 84, 91, 92

  Göttingen University 22–3, 29, 36

  grand unification epoch 155–6

  supercooling transition to electro-weak epoch 156–7

  grand unified theories (GUTs) 155–7, 160

  gravitational mass 4

  gravity 4, 13, 135

  and general relativity 19–20, 29

  Newton’s law 19

  and Theories of Everything xi–xii, 155n

  unification with electromagnetism 30

  Greeks, Ancient 1–2, 3, 4, 11, 20, 27

  Greenberg, Oscar 97

  Gross, David xx, 136–7

  Guralnik, Gerald xv, 85, 158, 207, 214

  Guth, Alan 156–7

  hadron sprays 122, 128–9, 142–3

  hadronic calorimeters 187, 188

  hadrons 64–5

  ‘charmed’ 102

  incorporation into electro-weak theory 94, 101

  quark composition 96, 125

  Weinberg’s wariness 93

  Haganah 70

  Hagen, Carl xv, 85, 158, 207, 214

  Hahn, Otto 40

  Han, Moo-Young 97

  Han-Nambu model of integral-charged quarks 97, 110

  Harvard University 61, 91, 92, 130, 131, 132, 149

  Hawking, Stephen 166

  Heisenberg, Werner 39, 51, 109, 137n

  electron-exchange model 47–9

  Heisenberg’s uncertainty principle 36, 139

  helium 9

  Heuer, Rolf 195, 201, 202, 211, 215, 218

  ‘hierarchy problem’ xviii, 180–1

  Higgs, Peter xv, 85, 89–90, 90–1, 94, 158, 206–7, 208, 211, 219

  Higgs boson xvii, 90, 94, 95, 106, 153

  blogosphere discovery rumours 192–3, 196–9, 206, 213

  decay channels 178, 197, 203–4

  discovery xi, 215-9

  explaining to politicians 173

  as ‘God particle’ xii

  importance xii, 170–1, 221

  LEP search 178–80, 196

  LHC search 191–2, 193, 194–5, 196–219

  Luminosity, and production 200, 212

  mass estimation 177–8, 180

  mass problem xviii, 180–1

  mass problem resolved by supersymmetry 182

  mass/energy range narrowed 202–4, 205, 208, 210, 211, 216-8

  possibility of non-discovery xii–xiii, 209–10

  public interest in xiv

  US controversy over search 159–68

  Higgs field(s) 86, 94, 105, 153

  and acquisition of mass xii, 88–9, 172–3, 221

  crystallization in electro-weak epoch 154

  crystallization in grand unification epoch 155

  explaining to politicians 172–3

  importance xii, 158–9, 170–1

  invention xiii, 158

  potential energy curve 86–8

  theoretical tinkering 156, 157, 158

  Higgs mechanism 85–90, 91, 105

  application to electro-weak field theory xv, 93–5, 98, 101, 107, 126, 153

  explaining to politicians 171–6

  Nobel Prize debate 207

  Hilbert, David 22, 29, 36

  Hiroshima 12, 119

  Hitler, Adolf 36

  Hole in Texas, A (Wouk) 166–7

  hydrogen 9

  hydrogen atoms 4, 10, 42

  Lamb shift 41

  Iliopoulos, John 98, 100–2

  ‘imaginary’ numbers 32, 32n

  Imperial College, London 71, 85

  Incandela, Joseph 215

  ‘inelastic’ scattering 121–2

  inertial mass 3, 4, 12, 88–9

  inflationary cosmology 157–8

  inflaton field 158

  Institute for Advanced Study, Princeton 36, 46, 51, 64, 73, 91

  integrated luminosity 194

  International Space Station, Texas 166

  isospin 48, 49

  conservation 46, 49, 50, 81

  and Eightfold Way classification 69

  and quark composition 81, 81n

  ‘shift’ 58–9

  total 49

  isotopes 10, 48

  radioactive 13

  J/ψ mesons:

  discovery 141

  Jentschke, Willibald 133

  Jews, exclusion from Civil Service 36

  Joint Institute for Nuclear Research, Soviet Union 120

  Jona-Lasinio, Giovanni 76–7, 92

  kaons 65

  alternative (charm-quark) decay mode 100–1, 126

  decay into muons 98–100

  discovery 58, 117

  quark composition 110–11

  strange behaviour 58–9

  Kasper, Raphael 166

  Kendall, Henry 122, 124

  Kepler, Johannes 19

  Kibble, Tom xv, 85, 94, 158, 207, 214

  Klein, Felix 22

  Konstantinidis, Nikos 178

  Kramers, Hendrik 41, 42

  Lagarrigue, Andre 129, 132

  Lamb, Willis 41

  Nobel Prize 57

  Lamb shift 41, 42, 43

  lambda particles 64

  discovery 58

  Eightfold Way 68–9

  ‘fundamental triplet’ proposal 65–7, 68, 69

  strange behaviour 58–9

  lambda-CDM model 105n, 183

  laser light 74n

  Law for the
Reestablishment of the Career Civil Service (1933) 36

  Lawrence, Ernest 118

  Nobel Prize 118

  Lawrence Radiation Laboratory, California 92

  laws of nature 19–21

  Lederman, Leon 142, 150, 150n, 152, 193

  appeal to Reagan 160

  and Fermilab 150, 150n

  The God Particle 165

  and the SSC 160, 166

  leptons 64, 65, 99, 141, 178

  electro-weak unified theory of 93–4, 98, 101

  Higgs boson decay channels 178, 203

  Leucippus 2

  Leutwyler, Heinrich 137

  Lie, Sophus 30

  Lie groups 30, 33, 68

  linear accelerators 118

  linear momentum conservation 20–1, 30

  invariant to continuous symmetry translations in space 26

  lithium 9

  local gauge symmetry 33, 49

  London, Fritz 33

  London, Jack 161

  loop corrections 180, 182

  Los Alamos 41

  Low, Francis 101

  luminosity 147, 193–4

  CERN LHC 200, 205, 209, 213

  magnetic monopoles 156–7

  Maiani, Luciano 98, 100–2, 179–80, 185

  Major, John 169

  Manhattan project 119, 194

  Mann, Alfred 130, 131–2, 133

  mass 3–4

  acquisition via Higgs field xii, 88–9, 172–3, 221

  and energy 3, 12, 139–40, 221

  gravitational 4

  inertial 3, 4, 12, 88–9

  and molecular weight 10–11, 220

  as resistance to acceleration 88–9, 221

  and symmetry breaking (Nambu–Jona-Lasinio model) 76–7

  Massachusetts Institute of Technology (MIT) 64

  matter

  conservation (Greek belief) 20

  and energy 12, 20

  Max Planck Institute 109

  Maxwell’s equations 27–8, 30, 38

  Meitner, Lise 40

  Mendeleev, Dmitri 65

  mesons 58n, 65, 112, 138, 142

  ‘charmed’ 102

  Eightfold Way octet 69–70, 78

  quark composition 80, 110–11

  ‘Mexican’ waves 32n

  Miller, David 171–6

  Millikan, Robert 79

  Mills, Robert 49–51, 53, 54, 60, 152

  Minimal Supersymmetric Standard Model (MSSM) 181–5, 219

  MIT 92, 101

  MIT-SLAC group 122, 123, 124

  molecular weight 10–11, 220

  molecules 4

  moles 10–11

  momentum, conservation of 20–1, 26, 30

  muon anti-neutrinos 99, 100, 132, 176

  muon-neutrino–nucleon collisions 126–7

  and muonless events 127, 128–9, 130–4

  muon neutrinos 142

  discovery 99

  faster-than-light 209, 212

  and kaon decay modes 99–100

  muons 65, 98–9, 99–100, 142, 176, 178

  discovery 56–7, 117

  name changed from mesons 57–8

  muon pairs 152

  muon spectrometers 187, 188

  muonless events 127, 128–9, 130–4

  Musset, Paul 129, 131

  Nakano, Tadao 59n

  Nambu, Yoichiro xv, 73–8, 90, 92, 97–8 see also Han-Nambu model of integral-charged quarks

  Nambu-Goldstone bosons xv, xix, 77, 84–5, 88, 92, 93

  National Academies of Science and Engineering, US 163

  National Accelerator Laboratory (NAL), Chicago:

  opening 111

  search for weak neutral currents 130–4 see also Fermi National Accelerator Laboratory (Fermilab)

  Nazi Germany 36, 40

  Ne’eman, Yuval 70–2, 78, 83

  Neddermeyer, Seth 56

  neutralinos 183, 183n

  neutrinos 65, 93, 125, 151, 187

  discovery 13

  division from quarks and electrons 155

  Higgs boson decay channels 178, 179, 203

  neutron bombardment 12, 40

  uranium atoms 40

  neutrons 9, 12, 15, 64, 220

  acquisition of mass through symmetry breaking 77, 92

  collision with muon-neutrinos 126–7

  conversion into protons in beta-decay 13, 47, 60, 81

  discovery 9, 40, 47

  and Eightfold Way 68–9, 78

  electron-exchange model 47–9

  ‘fundamental triplet’ proposal 65–7, 68, 69

  inherent instability 55

  and isotopes 10

  mass 10, 46–7, 47n, 139–40

  and molecular weight 10, 220

  quark composition 80, 81, 110, 221 see also strong nuclear force

  New Scientist 199, 201

  Newton, Isaac 19

  Niels Bohr Institute, Copenhagen 92, 122–3

  Nishijima, Kazuhiko 59n

  Nishina, Yoshio 73

  Noether, Amalie Emmy xxi, 21–3, 36–7

  Noether’s theorem 23, 24–7, 28, 30, 46

  Noether, Max 22

  Not Even Wrong (Woit) 196

  ‘November revolution’ 141

  nuclear fission 12, 40

  nuclear reactions, first artificial 118

  nuclear weapons see atom bomb

  Oak Ridge 119, 119n

  ‘Oh-My-God particle’ 117n

  ‘oil drop’ experiment 79

  omega particles, discovery 72

  ‘one loop contribution’ 99–100

  OPERA experiment 209, 209n, 212

  Oppenheimer, J. Robert 41, 44, 51, 52

  oxygen atoms 4, 10

  Pagels, Heinz 137

  Pais, Abraham 41

  parafermions 97

  particle accelerators 118–21

  particle colliders xii, 144–6

  particle detectors 127–8

  particle physics 64, 71, 73, 95, 185 see also Standard Model

  particles

  grand unified theory predictions 156

  last few discovered 176–7

  new ‘zoo’ 55–8

  pattern discovered 65–72

  taxonomy 64–5 see also Eightfold Way; individual particles; super-particles

  parton model 124–5

  Paschos, Emmanuel 124, 125

  Pauli, Wolfgang 13, 39, 51–2, 91, 153

  Pauli’s exclusion principle 7–8, 9–10, 65, 74, 96, 97, 111

  periodic table 9, 10, 65

  Perkins, Donald 129, 133–4

  Perot, Ross 166

  perturbation expansion and correction 39–40, 42–3, 44, 51

  phase angle transformations 33

  phase symmetry 33, 45, 50

  phase waves 32

  phi mesons, 192

  phonons 173

  photinos 182

  photons 220

  as electromagnetic force carriers 14–15, 39, 65, 142, 220

  Higgs boson decay channels 178, 197

  as hypothetical weak force carriers 60, 62

  independence of Higgs field/masslessness 88, 94, 126, 154, 171, 172

  LHC electromagnetic calorimeters 187, 188

  polarization 85–6

  Physical Review 83

  Physical Review Letters 90, 133, 134, 137

  Physics Letters 89, 132

  Pikes Peak, Colorado 56

  pions 65

  creation in inelastic scattering 121

  decay rate of neutral 110, 111

  discovery 57–8, 117

  misidentified as muons 134

  Nambu-Goldstone bosons approximated as 77, 92

  produced by kaon decay 100

  quark composition 110–11

  Planck mass xviii

  Plato 2, 2n

  ‘Platonic’ (geometrical) solids 2, 4

  Pocono Mountains conference, 1948 43–4

  Politzer, David xx, 137

  Ponce, Laurette 200

  position-momentum uncertainty
35–6

  positrons

  discovery 8–9, 56, 117

  as signature of W+ particle decay 151

  potential energy curve 86

  Powell, Cecil 57

  Princeton University 92, 110

  proton accelerators 118

  proton–anti-proton colliders 147–51, 159

  proton–anti-proton collisions 176

  proton-electron collisions 112

  proton-proton colliders 145–6, 160, 168

  proton-proton collisions xiii, 121, 140, 191, 197, 200, 208, 209, 212

  ‘forward’ region 186

  proton synchrotrons 120

  protons 9, 12, 15, 64, 220

  acquisition of mass through symmetry breaking 77, 92

  and characteristics of the elements 9

  conversion from neutrons in beta-radioactivity 13, 47, 60, 81

  and Eightfold Way 68–9, 78

  electron-exchange model 46–9

  as ‘fundamental triplet’ 65–7, 68, 69

  high precision measurements 186

  instability in Glashow-Georgi GUT 156, 157

  mass 10, 46–7, 47n, 57, 57n, 139–40, 144n

  and molecular weight 10, 220

  and nuclear fission 12

  parton model 124–5

  point-like constituents 112, 123

  quark composition 80, 81, 96, 110, 220–1 see also strong nuclear force

  quantum chromodynamics (QCD) xxi, 137

  quantum electrodynamics (QED) 41–3

  relativistic 14–15, 38, 43–5, 50

  renormalization procedure 42–3

  quantum field theory 38–9, 123

  and asymptotic freedom 136–7

  Heisenberg-Pauli model 39–40 see also electro-weak quantum field theory; quantum chromodynamics; quantum electrodynamics; Yang-Mills field theories

  quantum mechanics 5

  relativistic 5–8, 38

  quantum numbers 31

  Quantum Story (Baggott) xiii

  quark–anti-quark pairs 138, 139

  bottom-quarks 142, 178

  charm-quarks 141

  quark ‘jets’ 142–3, 176, 178

  quark model 78–84, 108

  problems 96–8

  quark-quark collisions 197

  quarks xx, xxi, 141–2, 220–1

  asymptotic freedom 135–7

  colour charge 110–12, 110n, 137, 220–1

  colour charge ‘masking’ 138–9

  ‘confinement’ 80, 111, 112–13, 125–6, 138, 138n

  division from electrons and neutrinos 155

  experimental evidence 112, 123, 125

  flavour 111, 220

  flavour-changing mechanism 177

  Han-Nambu model of integral-charge 97, 110

  mass 139, 139n, 221

  and ‘parton’ model 125

  proposed transformation into leptons 155–6

  and strong nuclear force field theory 109–12 see also bottom quarks; charm quarks; down quarks; strange quarks; top quarks; up quarks

  Quinn, Helen 155, 182

  Rabi, Isidor 41, 57

  radioactivity 13

  Reagan, Ronald 160–2

  relativity

 

‹ Prev