CP Violation: from Quarks to Leptons
For a long time after the discovery in 1964 by Christenson, Cronin, Fitch and Turlay that the long-lived neutral kaon decays both into three and into two pions, which has since been taken as proof of CP violation, successive new and more precise experiments confirmed the original evidence and pro...
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| Principais autores: | , , |
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| Formato: | Livro |
| Idioma: | English |
| Publicado em: |
IOS Press
2014
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| Assuntos: | |
| Acesso em linha: | https://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/36165 |
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| Thư viện lưu trữ: | Thư viện Trường Đại học Đà Lạt |
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| Resumo: | For a long time after the discovery in 1964 by Christenson, Cronin, Fitch and Turlay
that the long-lived neutral kaon decays both into three and into two pions, which has
since been taken as proof of CP violation, successive new and more precise experiments
confirmed the original evidence and provided results compatible with a phenomenological
description confining the CP violation to the mixing between neutral kaons and
antikaons. However, the Standard Model, with three generations of quarks, linking
as it does CP violation to the presence of a single non-trivial phase in the Cabibbo-
Kobayashi-Maskawa quark mixing matrix, implies that if CP violation exists at all, then
it is a general property of weak interactions, appearing in transitions where amplitudes
involving all three quark families interfere with each other, producing effects with a magnitude
related to that of the CKM coefficients.This fact has stimulated an impressive
amount of theoretical work, leading in many cases to precise predictions. In parallel
with the progress in the theory, more refined and much more powerful experiments have
been specifically designed and performed in laboratories around the world, culminating
with the construction of ad hoc accelerator facilities and detectors at Frascati, KEK and
SLAC. |
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