2 edition of **Modelling nonperturbative QCD in nonleptonic kaon decays.** found in the catalog.

Modelling nonperturbative QCD in nonleptonic kaon decays.

Cameron A. Wicentowich

- 18 Want to read
- 8 Currently reading

Published
**1996**
.

Written in English

- Physics Theses

**Edition Notes**

Thesis (Ph.D.), Dept. of Physics, University of Toronto.

Contributions | Holdom, Bob (supervisor) |

The Physical Object | |
---|---|

Pagination | 163 leaves. |

Number of Pages | 163 |

ID Numbers | |

Open Library | OL15470245M |

ISBN 10 | 0612118851 |

Some of the nonperturbative approaches to strongly interacting systems are the QCD sum rules, quark models, and lattice QCD. The advantage of QCD sum rules and lattice QCD is that they are based on QCD itself, whereas, in quark models, one assumes a potential energy between the quarks and solves a Schrodinger-like equation. @article{osti_, title = {QCD in heavy quark production and decay}, author = {Wiss, J}, abstractNote = {The author discusses how QCD is used to understand the physics of heavy quark production and decay dynamics. His discussion of production dynamics primarily concentrates on charm photoproduction data which are compared to perturbative QCD calculations which incorporate .

The book begins with a pedagogic account of the Standard Model, introducing essential techniques such as effective field theory and path integral methods. It then focuses on the use of the Standard Model in the calculation of physical properties of particles. Rigorous methods are emphasized, but other useful models are also described. where ︱Vcd(s)︱is the CKM matrix element and fD(s) are the so-called decay constants, which contain all the information of nonperturbative QCD in leptonic decays. The m2l term represents the helicity suppression of the leptonic decays of the pseudoscalar mesons. fD and fDs are two fundamental constants in particle physics.

This book offers the first strong evidence of the existence of CP violation in neutral B decays extracted from sophisticated B factories in the US and Japan. It also holds out the expectation of rare B decays and D, K physics in the near future. In addition, new physics beyond the Standard Model is described. Journal Article: Four-point functions and kaon decays in a minimal AdS/QCD model Title: Four-point functions and kaon decays in a minimal AdS/QCD model Full Record.

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Nonleptonic kaon decays and nonperturbative QCD effects in chiral-bag model. Authors; was introduced in the chiral-bag model based analysis ofK→2π decays.

Almost perfect fit of the experimental data was possible with the induced-term coefficient \(\tilde C_1 \cong 1,4\).Cited by: 4. Keywords: Nonperturbative QCD, Infrared ﬁxed point, Dilaton, Chiral lagrangians, Nonleptonic kaon decays The precise determination of the mass and width of the f.

ELSEVIER Physics Letters B () 20 June PHYSICS LETTERS B Perturbative QCD analyses of the nonleptonic B meson decays Ciprian Dariescu 1,2, Marina-Aura DarieSCU 2,3 Department of Physics, Toyama University, Gofuku, Toyama, Japan Received 16 November Editor: H.

Georgi Abstract Based on the Brodsky-Lepage approach, the nonleptonic Cited by: 1. We have shown that in the nonleptonic decays of a heavy meson the decay amplitude can be separated into long-range and hard (T,) parts, and that QCD perturbative techniques can be used for T.

We have applied this method to some decays of the B The approximations made here are even more valid for T(top quark meson).Cited by: A comprehensive Modelling nonperturbative QCD in nonleptonic kaon decays.

book of kaon decays is presented. The Standard Model predictions are discussed in detail, covering both the underlying short-distance electroweak dynamics and the important interplay of QCD at long distances. Chiral perturbation theory provides a universal framework for treating leptonic, semileptonic and nonleptonic decays Cited by: Nonperturbative corrections up to m-2b to the heavy lepton energy distributions are investigated in the inclusive semileptonic weak decays of heavy flavors in QCD.

In the case of B-meson decays. Nonleptonic Ω- decay branching ratios are estimated by means of the QCD enhanced effective weak Hamiltonian supplemented by the SU(3) Skyrme model used to estimate the nonperturbative matrix.

A self-consistent analysis of K→2π and K→3π decays within a unique framework of chiral dynamics applied to the QCD-corrected weak nonleptonic quark lagrangian has been performed. The results on K→2π amplitudes at O(p6), including the value for ε′/ε, are compared with experiment to fix phenomenological B-factors for mesonic matrix elements of nonpenguin and penguin four-quark.

This book is devoted to the broad subject of flavor physics, embracing the question of what distinguishes one type of elementary particles from another. The articles range from the forefront of formal theory (treating the physics of extra dimensions) to details of particle detectors.

Although special emphasis is placed on the physics of kaons, charmed and beauty particles, top quarks, and. The recent discovery of double charm baryon states by the LHCb Collaborarion and their high precision mass determination calls for a comprehensive analysis of the nonleptonic decays of double and single heavy baryons.

Nonleptonic baryon decays play an important role in particle phenomenology since they allow for studying the interplay of long and short distance dynamics of the Standard Model (SM). About the EditorM Shifman is Professor of Physics at the University of Minnesota. Inhe was elected as a Fellow of the American Physical Society.

He has had the honour of receiving the Sakurai Prize for Theoretical Particle Physics (together with A Vainshtein and V Zakharov), “for fundamental contributions to the understanding of nonperturbative QCD, nonleptonic weak decays.

Introduction At Chiral DynamicsI presented a talk on Kaons on the Lattice in which the main topics were: 1 Chiral Behaviour 2 Vus from K ‘2 and K 3 Decays 3 The BK parameter of neutral kaon mixing 4 K!pp Decays Recent progress in lattice simulations)quantities such as Vus and BK are known with impressive precision, e.g.

using the experimental leptonic and semileptonic. M Shifman is Professor of Physics at the University of Minnesota. Inhe was elected as a Fellow of the American Physical Society. He has had the honour of receiving the Sakurai Prize for Theoretical Particle Physics (together with A Vainshtein and V Zakharov), "for fundamental contributions to the understanding of nonperturbative QCD, nonleptonic weak decays, and the.

The weak meson coupling hπ is determine from nonleptonic kaon decays to be hπ = MeV. The dots denote higher dimension operators involving more derivatives and insertions of the light quark mass matrix.

We will determine the S-wave and P-wave amplitudes for weak NNK interactions, in-cluding the SU(3) violating one-loop corrections. We are going to review recent advances in the theory of exclusive nonleptonic B decays. The emphasis is going to be on the factorization hypothesis and the role of nonfactorizable contributions for nonleptonic B decays.

In particular, we will discuss more in detail calculations of nonfactorizable contributions in the QCD light-cone sum rule approach and their implications to the B→ππ and B. Understanding nonleptonic weak processes of the kaon, in particular, the K!ppdecay, represents one of the keys to establishing the standard model and probing the physics be-yond it.

This decay exhibits two signiﬁcant phenomena: namely, the DI51/2 rule, which is a large enhancement of the decay mode with DI51/2 relative to that with DI. Quantum chromodynamics Quantum chrornodynamics (QCD) is the theory that describes the interaction between quarks and gluons.

From a theoretical point of view QCD is the most complicated part of the standard model. In many interesting processes perturba-tion theory cannot be applied to QCD. The Table of Contents for the book is as follows: * VOLUME I * Foreword * Conference Organization * PLENARY SESSIONS * Pl Recent Results from the Super-Kamiokande * Recent Results from the Super-Kamiokande * Pl Recent Results on Neutrino Oscillations * Recent Results on Neutrino Oscillations * Pl Experimental Status of the Standard Model * Experimental Status of the.

Based on a QCD-motivated model for p 4 strong chiral Lagrangian valid in the limit of large N c, one can derive large-N c fourth-order effective chiral Lagrangians for ∆S = 1 nonleptonic weak interactions and radiative weak transitions. Nonperturbative effects on the Wilson coefficients and the ΔI=12 rule in kaon decays Tao Huang, Zheng Huang and Zhiqing Zhang 1 December | Physical Review D, Vol.

40, No. Nonleptonic weak decays are very sensitive to nonperturbative quark‐quark and quark‐antiquark correlations. It is shown that effects of scalar diquarks dominate strange particle decays and are responsible for the drastic ‖ΔI‖=1/2 enhancement observed in these transitions.

They also give rise to a large long range contribution to the KL–KS mass difference.QCD tests with Kaon decays Cristina Biino* - INFN Torino 14th Lomonosov Conference on Elementary Particle Physics Moscow, August, *On behalf of NA48 Collaboration 1. Measurement of ππscattering lengths from “cusp” effect in the decay K±→π±π0π0 and Ke4 decays K±→π+π−e±ν 2.

Precision measurements of K±→π± π0.We present a considerably improved analysis of model-independent bounds on new physics effects in non-leptonic tree-level decays of B-mesons. QCD factorization for exclusive, nonleptonic B meson decays: General arguments and the case of heavy light final states Nonperturbative corrections to inclusive beauty and charm decays: QCD versus.