E-grāmata: Perspectives on Higgs Physics II 2nd edition [World Scientific e-book]

Introduction and Overview xiii 1 What Can Precision Electroweak Data Tell Us About Electroweak Symmetry Breaking? 1(22) Alain Blondel 1 Manifestations of Electroweak Symmetry Breaking 1(3) 1.1 Radiative corrections 3(1) 2 The High Energy Measurements 4(5) 2.1 A synopsis of the measured quantities 4(2) 2.2 A strategy of tests and radiative effects 6(3) 3 Some Comments on the Data 9(3) 4 Analysis of Electroweak Data 12(6) 4.1 Agreement with the Standard Model 12(2) 4.2 Analysis of radiative corrections 14(4) 5 Future Prospects 18(1) 6 Conclusions 18(1) References 19(4) 2 Higgs Boson Masses and Couplings in the Minimal Supersymmetric Model 23(45) Howard H. Haber 1 Introduction 23(1) 2 The Two-Higgs Doublet Model 24(7) 3 The Higgs Sector of the MSSM at Tree Level 31(2) 4 Radiative Corrections to the MSSM Higgs Masses 33(15) 4.1 Overview 33(3) 4.2 One-loop leading logarithmic corrections to the MSSM Higgs masses 36(9) 4.3 Leading squark mixing corrections to the MSSM Higgs masses 45(3) 5 RG-Improvement and Numerical Results for the MSSM Higgs Masses 48(9) 6 Implications of the Radiatively Corrected Higgs Sector 57(2) Appendix A: Three-Higgs Vertices in the Two-Higgs Doublet Model 59(2) Appendix B: Renormalisation Group Equations 61(3) References 64(4) 3 The Standard Model Intermediate Mass Higgs Boson 68(36) S. Dawson 1 Introduction 68(5) 2 Higgs Branching Ratios 73(6) 2.1 Decays to fermion pairs 73(2) 2.2 Decays to gauge boson pairs 75(4) 3 Higgs Production in Hadronic Interactions 79(11) 3.1 Gluon fusion 79(1) 3.2 QCD corrections to gg --> h 80(7) 3.3 Associated production, pp(pp) --> Vh 87(2) 3.4 Associated production with top, pp(pp) --> tth 89(1) 4 Higgs Production in e^+ e^- Collisions 90(7) 4.1 Higgs production in Z decays 90(1) 4.2 Associated production, e^+ e^- --> Zh 91(4) 4.3 Higgs production in vector boson fusion, VV --> h 95(2) 4.4 e^+ e^- --> tth 97(1) 5 Higgs Production in m^+ m^- Collisions 97(1) 6 Higgs Production in GammaGamma Collisions 98(2) 7 Conclusion 100(1) References 100(4) 4 Searching for Higgs Bosons at LEP 1 and LEP 2 104(27) Patrick Janot 1 Introduction: The Situation Before LEP 104(2) 2 Searches for the Standard Model Higgs Boson 106(11) 2.1 Searches at LEP 1 106(5) 2.2 Searches at LEP 2 111(6) 3 Searches for the Neutral Higgs Bosons of the MSSM 117(10) 3.1 Masses, coupling and production processes 117(2) 3.2 Searches at LEP 1 119(6) 3.3 Searches at LEP 2 125(2) 4 Conclusion 127(1) References 128(3) 5 Discovering a Light Mass Higgs Boson at the Tevatron Collider 131(17) S. Mrenna 1 Introduction 131(3) 1.1 Indirect limits on the Higgs boson mass 132(1) 1.2 Future prospects for determining the Higgs boson mass 133(1) 2 Properties of a Light Standard Model Higgs Boson 134(1) 3 SM Higgs Boson Searches at the Tevatron 135(8) 3.1 Triggering considerations 135(1) 3.2 Heavy flavor tagging 136(1) 3.3 Signal definition and backgrounds using heavy flavor tagging 137(1) 3.4 Further kinematic cuts 137(1) 3.5 Event simulation 138(1) 3.6 Results for the W^(+-)( --> l^(+-)v)h( --> bb) channel 139(1) 3.7 Signal and backgrounds for the Z^o( --> vv, l^+ l^-)h( --> bb) channel 140(1) 3.8 Results for the Z^o( --> vv, l^+ l^-)h( --> bb) channel 140(1) 3.9 Combined significance 141(1) 3.10 Testing the Higgs boson properties 142(1) 4 Supersymmetry and the Higgs Sector 143(2) 4.1 Phenomenological consequences of supersymmetry 144(1) 5 Conclusions 145(1) References 146(2) 6 Constraints on the Higgs Boson Properties from the Effective Potential 148(33) M. Quiros 1 Introduction 148(3) 2 The Standard Model 151(8) 2.1 Stability bounds 154(3) 2.2 Metastability bounds 157(1) 2.3 Perturbativity bounds 158(1) 3 The Minimal Supersymmetric Standard Model 159(11) 3.1 Tree level mass relations 161(2) 3.2 The Higgs tree level couplings 163(1) 3.3 Radiatively corrected masses 164(6) 4 Non-minimal Supersymmetric Standard Models 170(2) 4.1 NMSSM with an arbitrary number of singlets 171(1) 5 What If a Higgs Boson Is Discovered at FNAL or LEP? 172(3) 5.1 A light Higgs can measure the scale of New Physics 173(1) 5.2 Disentangling between supersymmetric and non-supersymmetric models 174(1) 6 Conclusion 175(1) Appendix A: (XXX)II in the SM 175(1) Appendix B: (XXX)II in the MSSM 176(2) References 178(3) 7 What Is the Mass of the Lightest Supersymmetric Higgs Boson? 181(27) Stefan Pokorski Piotr H. Chankowski 1 Introduction 181(2) 2 Higgs Sector in MSSM -- A Brief Summary 183(3) 3 Experimental Constraints on the Parameters of the MSSM 186(3) 4 The Weak Scale -- Large Scale Connection 189(13) 5 Non-minimal SUSY Models 202(1) 6 Summary 203(1) References 203(5) 8 Electroweak Breaking in Supersymmetric Models 208(47) Luis E. Ibanez Graham G. Ross 1 Introduction 209(8) 1.1 The supermultiplet content of the supersymmetric standard model 210(1) 1.2 The couplings of the MSSM 211(3) 1.3 R-parity and discrete symmetries 214(3) 2 Supersymmetry Breaking and the MSSM Sparticle Masses 217(3) 3 Electroweak Breaking 220(11) 3.1 One loop radiatively corrected potential 221(3) 3.2 Renormalisation group analysis 224(7) 4 Numerical Analysis 231(14) 4.1 Unification of gauge couplings 232(6) 4.2 The electroweak breaking scale 238(1) 4.3 The fine-tuning problem 239(6) 5 Outlook 245(1) Appendix 246(2) References 248(7) 9 Detecting and Studying Higgs Bosons 255(65) J. F. Gunion 1 Introduction 255(2) 2 Discovery and Precision Measurements of a SM-like Higgs 257(35) 2.1 LHC, including Tevatron and LEP2 data 258(7) 2.2 NLC and s-channel FMC data 265(23) 2.3 Verifying the spin, parity and CP of a Higgs boson 288(4) 3 Non-minimal Higgs Bosons 292(22) 3.1 Branching ratios 292(1) 3.2 The MSSM at the LHC 293(10) 3.3 The NMSSM at the LHC 303(3) 3.4 The MSSM at the NLC 306(5) 3.5 The MSSM in s-channel collisions at the FMC 311(2) 3.6 The NMSSM at the NLC 313(1) 4 Conclusions 314(2) References 316(4) 10 Electroweak Baryogenesis and Higgs Physics 320(39) M. Carena C. E. M. Wagner 1 Introduction 320(3) 2 Finite Temperature Higgs Effective Potential 323(2) 3 The Standard Model Case 325(3) 3.1 The electroweak phase transition 325(1) 3.2 Stability bounds and experimental limits on mH 326(2) 4 Beyond the Standard Model: Supersymmetry 328(15) 4.1 Higgs and stop masses in the MSSM 329(2) 4.2 The electroweak phase transition 331(3) 4.3 Color breaking minima 334(9) 5 Generation of the Baryon Asymmetry 343(5) 6 Experimental Tests of Electroweak Baryogenesis 348(5) 7 Concluding Remarks 353(2) References 355(4) 11 Addressing the Mysterious with the Obscure -- CP Violation via Higgs Dynamics 359(24) I. Bigi A. Sanda N. Uraltsev 1 Introduction 360(1) 2 Implementing CP Violation Through the Higgs Sector 361(5) 2.1 Manifest vs. spontaneous CP violation 361(2) 2.2 The question of flavour-changing neutral currents 363(1) 2.3 Specific models 363(3) 2.3.1 Models with FCNC 363(1) 2.3.2 Models with NFC 364(2) 3 CP Phenomenology for Light Quark Systems 366(11) 3.1 Present constraints 366(1) 3.2 Models without NFC 367(1) 3.3 Models with NFC 368(5) 3.3.1 K(L) decays 369(2) 3.3.2 The neutron electric dipole moment 371(2) 3.4 Intermediate resume 373(1) 3.5 Future CP phenomenology in light quark systems 374(2) 3.5.1 New contributions to d(N) 374(1) 3.5.2 Electric dipole moments of electrons and atoms and T odd electron-nucleon interactions 375(1) 3.5.3 K --> mv(Pi) 375(1) 3.6 Conclusions on the CP phenomenology of light quarks 376(1) 4 CP Violation in Heavy Quark Systems 377(2) 4.1 Models without NFC 377(1) 4.2 Models with NFC 378(1) 4.2.1 Beauty decays 378(1) 4.2.2 Top transitions 379(1) 5 Summary and Outlook 379(2) References 381(2) 12 Why I Would Be Very Sad If a Higgs Boson Were Discovered 383(6) Howard Georgi 13 Topcolor Assisted Technicolor 389(18) Christopher T. Hill 1 Top Quark Condensation 389(10) 1.1 Preliminary 389(1) 1.2 Models with strong U(1) tilters (Topcolor I) 390(5) 1.3 Anomaly-free models without strong U(1) tilters (Topcolor II) 395(1) 1.4 Triangular textures 396(1) 1.5 Top-pions; instantons; the b-quark mass 397(2) 2 Low Energy Observables 399(6) 2.1 Semileptonic processes 399(4) 2.2 Nonleptonic processes 403(1) 2.3 High energy processes 404(1) References 405(2) 14 Proposals for Studying TeV W(L) W(L) --> W(L) W(L) Interactions Experimentally 407(21) C.-P. Yuan 1 Introduction 407(1) 2 Signal 408(1) 3 Backgrounds 409(2) 3.1 Z^o( --> l^+ l^-)Z^o( --> l^+ l^-) and Z^o( --> l^+ l^-)Z^o( --> vv) modes 409(1) 3.2 W^+ ( --> l^+ v)W^-( --> l^- v) mode 410(1) 3.3 W^(+-)( --> l^(+-)v)Z^o( --> l^+ l^-) and W^(+-)( --> l^(+-)v)W^(+-)( --> l^(+-)v) modes 410(1) 3.4 W^+( --> l^+ v)W^-( --> q1q2) mode 411(1) 3.5 W^+( --> l^+ v)Z^o( --> qq) mode 411(1) 4 How to Distinguish Signal from Background 411(4) 4.1 Global features 412(1) 4.2 Isolated lepton in W^+ --> l^+ v 413(1) 4.3 W --> q1q2 decay mode 413(2) 5 Various Models 415(4) 5.1 A TeV scalar resonance 415(2) 5.2 A TeV vector resonance 417(1) 5.3 No resonance 417(1) 5.4 Beam pipe Ws 418(1) 6 Sensitivities of High Energy Colliders to EWSB Sector 419(4) 7 Discussions and Conclusions 423(1) References 424(4) 15 Strong WW Scattering at the SSC and LHC 428 Michael S. Chanowitz 1 Introduction 428(4) 2 The Higgs Mechanism and Its Implications 432(11) 2.1 The generic Higgs mechanism 432(5) 2.2 The equivalence theorem 437(1) 2.3 Low energy theorems 438(2) 2.4 Unitarity and the scale of strong WW scattering 440(3) 3 Strong WW Scattering Models and Complementarity 443(11) 3.1 Effective W approximation 443(1) 3.2 Strong scattering models, (PiPi) scattering data and complementarity 444(3) 3.3 The p chiral Lagrangian and complementarity 447(5) 3.4 WW scattering models from (PiPi) scattering data 452(1) 3.5 Criterion for observability 453(1) 4 Strong Resonances: the p Meson 454(3) 5 Strong W^+ W^+ Scattering Signals 457(13) 5.1 Backgrounds 458(1) 5.2 The nucleon Q^2 scale 459(2) 5.3 Experimental cuts 461(3) 5.4 Results 464(3) 5.5 Complementarity and the p chiral Lagrangian 467(3) 6 Strong Scattering in the ZZ Final State 470(7) 6.1 The linear model for gg --> ZZ 471(2) 6.2 Results for the linear model 473(2) 6.3 A two-condensate model 475(2) 7 Conclusion 477(2) References 479