Tests for Leptonic CP Violation in Tau Decays PDF Download
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Languages : en
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![Test of T and CP Violation in Leptonic Decay of [tau][sup]+- PDF](https://books.google.com/books/content/images/frontcover/OzLBoAEACAAJ?fife=w80-h100)
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Languages : en
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![Test of T and CP Violation in Leptonic Decay of [tau]{sup {plus_minus}} PDF](https://books.google.com/books/content/images/frontcover/zvBaAQAACAAJ?fife=w80-h100)
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Languages : en
Pages : 8
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Category :
Languages : en
Pages : 11
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This paper reviews the following topics: tests for CP violation in top-quark production and decay processes. In particular, m{sub t} = 174 ± 17 GeV implies good top-quark polarimetry because the W bosons in t-quark decays must be predominantly longitudinally polarized (?{sub L}/?{sub T} = 2.4). Tests for CP violation in tau lepton decays by the? →?? decay mode by usage of? polarimetry signatures. Tests for complete measurement of the Z°,?* →?−? vertex, including tests for CP violation in tau production processes.
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Languages : en
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This paper reviews the following topics: Tests for CP violation in top-quark production and decay processes. In particular, m[sub t] = 174 [plus-minus] 17GeV implies good top-quark polarimetry because the W bosons in t-quark decays must be predominantly longitudinally polarized ([Gamma][sub L]/[Gamma][sub T] = 2.4). Tests for CP violation in tau lepton decays by the [tau] [yields] [rho][nu] decay mode by usage of [rho] polarimetry signatures. Tests for complete measurement of the Z[sup o], [gamma]* [yields] [tau][sup [minus]][tau] [sup +] vertex, including tests for CP violation in tau production processes.
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Languages : en
Pages : 5
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Under the assumption that CP violation is caused by exchange of a new boson, the author proposes to measure the magnitudes and CP-violating phases of the coupling constants of this boson to five different vertices in tau decay. This can be accomplished by studying the decays of polarized tau leptons produced at an e e− collider whose beams are polarized. He points out that CP violation in the tau decay tests most directly the assumption in the standard theory that the imaginary numbers in the mass matrix is the sole cause of CP violation.
Author: K K Gan
Publisher: World Scientific
ISBN: 9814553433
Category :
Languages : en
Pages : 590
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The II International Workshop on Tau Lepton Physics was held in Ohio, USA in September 1992. Its purpose is to gather the experts on tau lepton physics to examine the current understanding of the tau lepton physics and to assess future prospects. A particular emphasis of the Workshop was a detailed examination of the '1-prong problem': the discrepancy between the inclusive measurement of one-charged-particle decay branching ratio and the sum of the exclusive decays. The Workshop also stimulated new ideas on tests of the Standard Model using the third generation lepton and assessed the future prospects of the lepton physics.
Author: Yurii Maravin
Publisher:
ISBN:
Category : Great Britain
Languages : en
Pages : 272
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![Search for CP Violation in [tau] Semi-leptonic Decay [tau] +- [pi] +- [pi] 0 [ny] [tau] PDF](https://books.google.com/books/content/images/frontcover/cLh8PgAACAAJ?fife=w80-h100)
Author: BELLE
Publisher:
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Category :
Languages : en
Pages : 12
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Languages : en
Pages : 8
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We discuss the test of CP and CPT violation in Tau decay without using the polarized electron beam by comparing partial fractions of tau( - ) and tau(+) decay into channels with strong final state interactions. For example, gamma(tau( - ) right arrow pi( - ) + pi(0) + nu) not equal gamma(tau(+) right arrow pi(+) + pi(0) + nu) signifies violation of CP. The optimum energy to investigate CP violation in tau decay is discussed. We conclude that this energy is a few MeV below psi(2s) in order to avoid the charm contribution and over abundance of hadrons at the psi(2s) peak.
