Read e-book online Introduction to the Physics of Massive and Mixed Neutrinos PDF

By Samoil Bilenky

ISBN-10: 3642140424

ISBN-13: 9783642140426

for a few years neutrino was once thought of a massless particle. the speculation of a two-componentneutrino,whichplayedacrucialroleinthecreationofthetheoryof theweakinteraction,isbasedontheassumptionthattheneutrinomassisequalto 0. We now comprehend that neutrinos have nonzero, small plenty. in several exp- iments with sunlight, atmospheric, reactor and accelerator neutrinos a brand new p- nomenon, neutrino oscillations, was once saw. Neutrino oscillations (periodic transitionsbetweendifferent?avorneutrinos? ,? ,? )arepossibleonlyifneutrino e ? ? mass-squareddifferencesaredifferentfromzeroandsmalland?avorneutrinosare “mixed”. the invention of neutrino oscillations opened a brand new period in neutrino physics: an period of research of neutrino lots, blending, magnetic moments and different neutrino homes. After the institution of the traditional version of the el- troweak interplay on the finish of the seventies, the invention of neutrino plenty was once crucial discovery in particle physics. Small neutrino plenty can't be defined via the traditional Higgs mechanism of mass new release. for his or her clarification a brand new mechanism is required. therefore, small neutrino plenty is the ?rst signature in particle physics of a brand new past the normal version physics. It took a long time of heroic efforts through many physicists to find n- trino oscillations. After the ?rst interval of research of neutrino oscillations, manychallengingproblemsremainedunsolved.Oneofthemostimportantisthe challenge of the character of neutrinos with de?nite lots. Are they Dirac n- trinos owning a conserved lepton quantity which distinguish neutrinos and antineutrinos or Majorana neutrinos with exact neutrinos and antineutrinos? Many experiments of the following new release and new neutrino amenities at the moment are lower than practise and research. there's no doubt that intriguing effects are ahead.

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Introduction to the Physics of Massive and Mixed Neutrinos (Lecture Notes in Physics) by Samoil Bilenky

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