弱尺度超对称

章节摘录

版权页：   插图：   At the one—loop level，however，a coupling of （H）u to down—type fermions is induced．This induced coupling leads to a new contribution，proportional to vu，tothe down—type fermion mass matrix．Although this contribution is suppressed bya loop factor relative to the tree—level contribution，this suppression is （partially）compensated if tan β is sufficiently large．As a result， down—type Yukawa interactions and down—type quark mass matrices are no longer diagonalized by the sametransformation，and flavor—violating couplings of neutral Higgs scalars h，H，and Aemerge．In the limit of large mA，the Higgs sector becomes equivalent to the Stan—dard Model （SM） Higgs sector with a light Higgs boson h （） HSM，and the effectsof flavor violation decouple from the low energy theory．The interesting featureis that the flavor—violating couplings of h，H， and A do not decouple for largesuperparticle mass parameters：being dimensionless，these couplings depend onlyon ratios of these mass parameters，and so remain finite even for very large valuesof SUSY mass parameters．

内容概要

　　Howard Baer，美国佛罗里达州立大学J. D.
Kimel物理学教授，美国物理学会会士。1984在威斯康星大学获得理论物理博士学位，先后在欧洲粒子物理实验中心，阿贡国家实验室，佛罗里达州立大学做博士后。在基本粒子物理领域内发表了一百多篇学术论文。
Xerxes
Tata，美国夏威夷大学物理和天文学系教授，美国物理学会会士。在德克萨斯大学奥斯汀分校获得理论高能物理博士学位。先后在俄勒冈大学，欧洲粒子物理实验中心和威斯康星大学做博士后。在基本粒子物理领域内发表了一百多篇学术论文。

书籍目录

preface
the standard model
1.1 gauge invariance
1.2 spontaneous symmetry breaking
1.3 brief review of the standard model
2 what lies beyond the standard model?
2.1 scalar fields and quadratic divergences
2.2 why is the tev scale special?
2.3 what could the new physics be?
3 the wess-zumino model
3.1 the wess-zumino lagrangian
3.2 quantization of the wz model
3.3 interactions in the wz model
3.4 cancellation of quadratic divergences
3.5 soft supersymmetry breaking
the supersymmetry algebra
4.1 rotations
4.2 the lorentz group
4.3 the poincar6 group
4.4 the supersymmetry algebra
5 superfieid formalism
5.1 superfields
5.2 representations of symmetry generators: a recap
5.3 representation of susy generators as differential
operators
5.4 useful 0 identities
5.5 susy transformations of superfields
5.6 irreducible susy multiplets
5.7 products of superfields
5.8 supercovariant derivatives
5.9 lagrangians for chiral scalar superfields
5.10 the action as an integral over superspace
6 supersymmetric gauge theories
6.1 gauge transformations of superfields
6.2 the wess-zumino gauge
6.3 the curl superfield in the wess-zumino gauge
6.4 construction of gauge kinetic terms
6.5 coupling chiral scalar to gauge superfields
7 supersymmetry breaking
7.1 susy breaking by elementary fields
7.2 f-type susy breaking: the o'raifeartaigh model
7.3 d-type susy breaking
7.4 composite goldstinos
7.5 gaugino condensation
7.6 goldstino interactions
7.7 a mass sum rule
7.8 explicit supersymmetry breaking
7.9 a technical aside: ys-dependent fermion mass matrices
8 the minimal supersymlnetric standard model
8.1 constructing the mssm
8.2 electroweak symmetry breaking
8.3 particle masses in the mssm
8.4 interactions in the mssm
8.5 radiative corrections
8.6 should the goldstino be part of the mssm?
9 implications of the mssm
9.1 low energy constraints on the mssm
9.2 renormalization group equations
9.3 constraints from b → sy decay
9.4 bs → μ+μ- decay
9.5 muon anomalous magnetic moment
9.6 cosmological implications
9.7 neutrino masses
10 local supersymmetry
10.1 review of general relativity
10.2 local supersymmetry implies (super)gravity
10.3 the supergravity lagrangian
10.4 local supersymmetry breaking
11 realistic supersymmetric models
11.1 gravity-mediated supersymmetry breaking
11.2 anomaly-mediated susy breaking
11.3 gauge-mediated susy breaking
11.4 gaugino-mediated susy breaking
11.5 an afterword
12 sparticle production at colliders
12.1 sparticle production at hadron colliders
12.2 sparticle production at e+e- colliders
13 sparticle decays
13.1 decay of the gluino
13.2 squark decays
13.3 slepton decays
13.4 chargino decays
13.5 neutralino decays
13.6 decays of the higgs bosons
13.7 top quark decays to susy particles
13.8 decays to the gravitino/goldstino
14 supersymmetric event generation
14.1 event generation
14.2 event generator programs
14.3 simulating susy with isajet
15 the search for supersymmetry at coiliders
15.1 early searches for supersymmetry
15.2 search for susy at lep and lep2
15.3 supersymmetry searches at the tevatron
15.4 supersymmetry searches at supercolliders
15.5 beyond susy discovery
15.6 photon, muon, and very large hadron colliders
16 r-parity violation
16.1 explicit (trilinear) r-parity violation
16.2 spontaneous (bilinear) r-parity violation
17 epilogue
appendix a sparticle production cross sections
a.1 sparticle production at hadron colliders
a.2 sparticle production at e+e- colliders
appendixb sparticle decay widths
b.1 gluino decay widths
b.2 squark decay widths
b.3 slepton decay widths
b.4 neutralino decay widths
b.5 chargino clecay widths
b.6 top quark decay to susy particles
appendix c higgs boson decay widths
c.1 decays to sm fermions
c.2 decays to gauge bosons
c.3 decays to sfermions
c.4 decays to charginos and neutralinos
c.5 decays to higgs bosons
bibliography
index

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《弱尺度超对称:从超场到散射事例》是由世界图书出版公司北京公司出版的。

作者简介

《弱尺度超对称:从超场到散射事例》是一本英文书。Supersymmetric models of particle physics predict new superpartner matter states for each particle in the Standard Model． These superpartners will have wide ranging implications， from cosmology to observations at high energy accelerators， such as CERN's LHC． In this 2006 text， the authors develop the basic concepts of supersymmetry and show how it can be incorporated into a theoretical framework for describing unified theories of elementary particles． They develop the technical tools of supersymmetry using four—component spinor notation familiar to high energy experimentalists and phenomenologists． The text takes the reader from an abstract formalism to a straightforward recipe for writing supersymmetric gauge theories of particle physics， and ultimately to the calculations necessary for practical applications at colliders and in cosmology． This is a comprehensive， practical and accessible introduction to supersymmetry for experimental and phenomenological particle physicists and graduate students． Exercises and worked examples that clarify the material are interspersed throughout．

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