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The theory of the muon anomalous magnetic is ""particle physics in a nutshell"" and as such is interesting, exciting and difficult. The current precision of the experimental value for this quantity, improved significantly in the past several years due to experiment E821 at Brookhaven National Laboratory, is so high that a large number of subtle effects not relevant previously, become important for the interpretation of the experimental result. The theory of the muon anomalous magnetic moment is at the cutting edge of current research in particle physics and includes multiloop calculations in b
Muons. --- Muons --- Magnetic anomalies. --- Physics. --- Magnetic anomalies --- Nuclear Physics --- Physics --- Physical Sciences & Mathematics --- Anomalies, Geomagnetic --- Anomalies, Magnetic --- Geomagnetic anomalies --- Mu mesons --- Nuclear physics. --- Particle and Nuclear Physics. --- Atomic nuclei --- Atoms, Nuclei of --- Nucleus of the atom --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Geomagnetism --- Kaons --- Leptons (Nuclear physics) --- Mesons --- Pions --- Particles (Nuclear physics) --- Elementary particles (Physics) --- High energy physics --- Nuclear particles --- Nucleons --- Nuclear physics
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This book is dedicated to the memory of Michael Marinov, the theorist who, together with Felix Berezin, introduced the classical description of spin by anticommuting Grassmann variables. It contains original papers and reviews by physicists and mathematicians written specifically for the book. These articles reflect the current status and recent developments in the areas of Marinov's research: quantum tunneling, quantization of constrained systems, supersymmetry, and others. The personal recollections included portray the human face of M Marinov, a person of great knowledge and integrity.
Geometric quantization. --- Supersymmetry. --- Unified theories --- Particles (Nuclear physics) --- Symmetry (Physics) --- Geometry, Quantum --- Quantization, Geometric --- Quantum geometry --- Geometry, Differential --- Quantum theory
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Particlephysicsdiscoveriesattheendofthe20thcenturycon?rmedanam- ingly simple, yet powerful theory that describes fundamental interactions of elementaryparticles. ThistheoryisusuallyreferredtoastheStandardModel of particle physics. It postulates the existence of three generations of quarks andleptons,fourelectroweakandeightstronglyinteractinggaugebosonsand one scalar particle, the Higgs boson. Apart from the Higgs boson, the ex- tenceofallotherparticleshasbeenunambiguouslyestablished. TheStandard Model withstood numerous experimental tests during the last ?fteen years, and has been tested at the level of precision sensitive to quantum loop c- rections. Given the fact that the Standard Model is so successful in describing - ture, is there any reason to believe that this theory is incomplete? There are di?erent answers to this question, depending upon how seriously one takes certain theoretical prejudices. Most severe phenomenological problems appear when the Standard Model of particle physics is confronted with c- mological observations. For example, most of the matter in our Universe is in the form of a cold nonbaryonic dark matter that is not possible to - scribe within the Standard Model. The Standard Model has di?culties - plaining observed baryon asymmetry in the Universe because the Cabbibo- Kobayashi-Maskawa mechanism of CP violation is too weak to produce a su?cientmatter-antimatterasymmetryduringthecosmologicalphasetran- tion. Although neutrino oscillations can be easily incorporated into the St- dard Model, such a solution is not considered theoretically appealing. Inadditiontotheseproblemsrootedinexperimentalfacts,therearesho- comings of the Standard Model of a theoretical nature. For example, it does not explain the fermion mass spectrum; there is a hierarchy and naturalness problem;gravityisnotincludedintheStandardModel,andsoon. Manyt- oretical ideas to address these issues have been proposed in the past; among them,themostprominentandwell-developedisthesupersymmetry .
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This volume contains the proceedings of the workshop Crossing the Boundaries: Gauge Dynamics at Strong Coupling, hosted by the William I. Fine Theoretical Physics Institute at the University of Minnesota, May 14 - 17, 2009. The workshop honored the 60th birthday of Professor Misha Shifman and his outstanding achievements in the field of gauge dynamics. The meeting attracted a fascinating group of researchers working on the cutting edge of dynamics of gauge theories, including supersymmetric and string theories. Their talks covered a wide area of recent developments in the field.
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The symposium and workshop "Continuous Advances in QCD / Arkadyfest" was the fifth in the series of meetings organized by the William I Fine Theoretical Physics Institute at the University of Minnesota. This meeting brought together leading researchers in high-energy physics to exchange the latest ideas in QCD and gauge theories at strong coupling at large. It honored the 60th birthday of Professor Arkady Vainshtein, and the papers included in this proceedings volume also look back on the history of the subjects in which Arkady played such a central role: applications of PCAC, penguins, invis
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