A Search For The Electric Dipole Moment Of The Tau Lepton
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Lepton Dipole Moments
| Author | : B. Lee Roberts |
| Publisher | : World Scientific |
| Total Pages | : 772 |
| Release | : 2010 |
| Genre | : Science |
| ISBN | : 9814271837 |
This book provides a self-contained description of the measurements of the magnetic dipole moments of the electron and muon, along with a discussion of the measurements of the fine structure constant, and the theory associated with magnetic and electric dipole moments. Also included are the searches for a permanent electric dipole moment of the electron, muon, neutron and atomic nuclei. The related topic of the transition moment for lepton flavor violating processes, such as neutrinoless muon or tauon decays, and the search for such processes are included as well. The papers, written by many of the leading authors in this field, cover both the experimental and theoretical aspects of these topics.
How to Search for an Electric Dipole Form Factor of The. Tau. Lepton at A. Tau.-charm Factory
| Author | : |
| Publisher | : |
| Total Pages | : 9 |
| Release | : 1989 |
| Genre | : |
| ISBN | : |
We investigate some CP-odd correlations which can be used to search for an electric dipole form factor d{sub?}(s) of the? in the reaction ee− →?+? − at c.m. energies √s relevant for a?-charm factory. These observables require measurement of the? polarizations. Using the channel e+e− →?+?{sub?}?−?{sub {tau}} one should be able to measure d{sub {tau}} at √s = 4 GeV with an accuracy?(d{sub {tau}}) {approx equal} 2.5 × 10−16e cm, assuming the production of 107 {tau} pairs. The same accuracy can be reached with 106 {tau} pairs at √s = 10 GeV, the typical c.m. energy of a B-factory. 8 refs., 2 figs., 1 tab.
Search for weak dipole moments of the [Tau] Lepton with the ALEPH detector[
| Author | : María del Pilar Casado Lechuga |
| Publisher | : |
| Total Pages | : 109 |
| Release | : 2001 |
| Genre | : |
| ISBN | : 9788469976869 |
Lepton Photon Interactions At High Energies (Lepton Photon 2017) - Proceedings Of The 28th International Symposium
| Author | : Wang Wei |
| Publisher | : World Scientific |
| Total Pages | : 576 |
| Release | : 2020-02-27 |
| Genre | : Science |
| ISBN | : 9811207410 |
The latest of the 'Lepton Photon' symposium, one of the well-established series of meetings in the high-energy physics community, was successfully organized at the South Campus of Sun Yat-sen University, Guangzhou, China, from August 7-12, 2017, where physicists around the world gathered to discuss the latest advancements in the research field.This proceedings volume of the Lepton Photon 2017 collects contributions by the plenary session speakers and the posters' presenters, which cover the latest results in particle physics, nuclear physics, astrophysics, cosmology, and plans for future facilities.
Gauge Theory of Weak Decays
| Author | : Andrzej J. Buras |
| Publisher | : Cambridge University Press |
| Total Pages | : 739 |
| Release | : 2020-07-02 |
| Genre | : Science |
| ISBN | : 1107034035 |
"The ultimate question of elementary particle physics is: What is the fundamental Lagrangian of nature surrounding us? The Lagrangian of the SM is very successful in describing nature at the currently available energy range. The discovery of the Higgs boson completed the particle spectrum of the SM and it is another proof of how well the SM works. Nevertheless the SM cannot be the end of the story and it is for sure not the fundamental Lagrangian of nature. The Lagrangian of the SM looses its validity at the latest at the Planck scale where gravitational effects become noticeable.Most physicists think of the SM as an effective theory that has to be replaced by a more fundamental theory above the TeV scale. What the word effective really means will hopefully be clear at later stages of our book. For the time being we will list some problems and open questions of the SM"--
Search for Anomalous Couplings in the Decay of Polarized Z Bosons to Tau Lepton Pairs
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 2001 |
| Genre | : |
| ISBN | : |
Using a sample of 4,500 polarized Z decays to[tau] lepton pairs accumulated with the SLD detector at the SLAC Linear Collider (SLC) in 1993-95, a search has been made for anomalous couplings in the neutral current reaction e[sup+]e[sup[minus]][yields][tau][sup+][tau][sup[minus]]. A measurement of the CP violating Weak Electric Dipole Moment (WEDM) and the CP conserving Weak Magnetic Dipole Moment (WMDM) of the[tau] lepton has been performed by considering the transverse spin polarization of[tau] leptons produced at the Z pole. Using a maximum likelihood technique, the observed[tau] decay spectra in the e, [mu], [pi], and[rho] decay channels are used to infer the net transverse polarization of the underlying tau leptons, and a fit for the anomalous dipole moments is performed. No evidence for these dipole movements is observed, and limits are placed on both the real and imaginary parts of the WEDM and WMDM.
New Era For Cp Asymmetries: Axions And Rare Decays Of Hadrons And Leptons
| Author | : Ikaros I Bigi |
| Publisher | : World Scientific |
| Total Pages | : 354 |
| Release | : 2021-07-14 |
| Genre | : Science |
| ISBN | : 9813233095 |
This book is dedicated to Lev Okun, who passed away in November 2015. He was a true pioneer in probing fundamental dynamics.The book has two objectives. First is to showcase Okun's impact for decades since 1963, when he published his remarkable book Weak Interaction of Elementary Particles. Second is to present the current progress of our scientific community in the studies of our Universe. New directions and possible future developments are discussed, often using the past as a guide. The authors mostly focus on CP asymmetries in the transitions of hadrons and leptons, but they also discuss their rare decays, and talk about axions and supersymmetry, and possible connections with dark matter, extra dimensions, baryogenesis and multiverse.This book is suitable for readers who know quantum mechanics and quantum field theories in general.
