Asymptotic Symmetry And Its Implication In Elementary Particle Physics
Seiten
1991
World Scientific Publishing Co Pte Ltd (Verlag)
978-981-02-0498-3 (ISBN)
World Scientific Publishing Co Pte Ltd (Verlag)
978-981-02-0498-3 (ISBN)
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In elementary particle physics, there are a number of recognizable underlying symmetries which correctly describe spectacular multiplet structure of observed particles. With this book the authors hope to arouse interest in the approach to broken symmetry from a fresh point of view.
In elementary particle physics, there are a number of recognizable underlying symmetries which correctly describe spectacular multiplet structure of observed particles. However, lack of a consistent method to deal with badly broken symmetry has hindered the investigation through symmetry. With this book the authors hope to arouse interest in the approach to broken symmetry from a fresh point of view.The authors argue that spectrum generating symmetries still maintain asymptotic symmetry for physical (not virtual) particles. When combined with the symmetry related equal-time commutation relations which are derivable from fundamental Lagrangian, asymptotic symmetry then demands a close interplay among the masses, mixing parameters and coupling constants of physical particles. From this point of view, we may understand the success of the naive quark model, remarkable mass and mass-mixing angle relations in QCD and electroweak theory and even the presence of dynamical selection rules. The method may also give us a powerful tool for the study of new physics where fundamental Lagrangian is not yet known.
In elementary particle physics, there are a number of recognizable underlying symmetries which correctly describe spectacular multiplet structure of observed particles. However, lack of a consistent method to deal with badly broken symmetry has hindered the investigation through symmetry. With this book the authors hope to arouse interest in the approach to broken symmetry from a fresh point of view.The authors argue that spectrum generating symmetries still maintain asymptotic symmetry for physical (not virtual) particles. When combined with the symmetry related equal-time commutation relations which are derivable from fundamental Lagrangian, asymptotic symmetry then demands a close interplay among the masses, mixing parameters and coupling constants of physical particles. From this point of view, we may understand the success of the naive quark model, remarkable mass and mass-mixing angle relations in QCD and electroweak theory and even the presence of dynamical selection rules. The method may also give us a powerful tool for the study of new physics where fundamental Lagrangian is not yet known.
The purpose and outline of this book; particles and interactions - a review; currents, charges and commutators - a review; asymoptotic behaviour of broken flavour symmetry; on the foundation of asymptotic flavour symmetry; Hadron spectroscopy through constraining algebras and asymptotic symmetry; level realization of asymptotic flavour symmetry in Chiral algebras (possible alternative to SU(6)w); asymptotic symmetry in the standard electroweak theory; meson masses and quark-family mixings in broken SU(2)lxU(1)yxSU(n) (family) symmetry; further attempts towards new physics; concluding remarks and outlook.
| Erscheint lt. Verlag | 1.9.1991 |
|---|---|
| Verlagsort | Singapore |
| Sprache | englisch |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Hochenergiephysik / Teilchenphysik |
| ISBN-10 | 981-02-0498-1 / 9810204981 |
| ISBN-13 | 978-981-02-0498-3 / 9789810204983 |
| Zustand | Neuware |
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