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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Book Description
If CP is violated in any decay process involving leptons it will signify the existence of a new force (called the X boson) responsible for CP violation that may be the key to understanding matter-antimatter asymmetry in the universe. The author discusses the signatures of CP violation in (1) the decay of tau lepton, and (2) the semileptonic decay of [pi], K, D, B and t particles by measuring the polarization of the charged lepton in the decay. The author discusses how the coupling constants and their phases of the coupling of the X boson to 9 quark vertices and 3 lepton vertices can be obtained through 12 decay processes.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Book Description
If CP is violated in any decay process involving leptons it will signify the existence of a new force (called the X boson) responsible for CP violation that may be the key to understanding matter-antimatter asymmetry in the universe. The author discusses the signatures of CP violation in (1) the decay of tau lepton, and (2) the semileptonic decay of [pi], K, D, B and t particles by measuring the polarization of the charged lepton in the decay. The author discusses how the coupling constants and their phases of the coupling of the X boson to 9 quark vertices and 3 lepton vertices can be obtained through 12 decay processes.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
Get Book Here
Book Description
If CP is violated in any decay process involving leptons it will signify the existence of a new scalar boson (called the X boson) responsible for CP violation that may be the key to understanding matter-antimatter asymmetry in the universe. The authors discuss the signatures of CP violation in (1) the decay of tau and mu leptons, and (2) the semileptonic decay of[pi], K, D, B and t particles by measuring the polarization of the charged lepton in the decay. The authors discuss how the coupling constants and their phases of the coupling of the X boson to 9 quark vertices and 3 lepton vertices can be obtained through 12 decay processes.
Author: I. I. Bigi
Publisher: Cambridge University Press
ISBN: 9780521443494
Category : Science
Languages : en
Pages : 408
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Book Description
This account presents background information and theoretical tools necessary for understanding CP violation.
Author: Cecilia Jarlskog
Publisher: World Scientific
ISBN: 9789971505615
Category : Science
Languages : en
Pages : 736
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Book Description
http://www.worldscientific.com/worldscibooks/10.1142/0496
![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:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
Author: Società italiana di fisica
Publisher: IOS Press
ISBN: 9781586036287
Category : Science
Languages : en
Pages : 626
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Book Description
Dealing with the CP violation, from quarks to leptons, this publication reviews the field, from both the theoretical and experimental point of view, while planning for the experimentation at LHC and considering possible facilities for kaon, B meson and neutrino physics.
Author: L. Wolfenstein
Publisher: Elsevier
ISBN: 0444596089
Category : Science
Languages : en
Pages : 347
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Book Description
The articles collected in this volume are mainly concerned with the phenomenological description of the 1964 discovery on K° decay that CP invariance was violated in nature. The variety of models developed to explain this CP violation are described together with reprints of more recent definitive experiments, and CP violation in the B° system and the electric dipole moment of the neutron is also covered.
Author: Sabato Leo
Publisher: Springer
ISBN: 3319079298
Category : Science
Languages : en
Pages : 146
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Book Description
This thesis reports on the final measurement of the flavor-mixing phase in decays of strange-bottom mesons (B_s) into J/psi and phi mesons performed in high-energy proton-antiproton collisions recorded by the Collider Experiment at Fermilab. Interference occurs between direct decays and decays following virtual particle-antiparticle transitions (B_s-antiB_s). The phase difference between transition amplitudes (“mixing phase”) is observable and extremely sensitive to contributions from non-standard-model particles or interactions that may be very hard to detect otherwise – a fact that makes the precise measurement of the B_s mixing phase one of the most important goals of particle physics. The results presented include a precise determination of the mixing phase and a suite of other important supplementary results. All measurements are among the most precise available from a single experiment and provide significantly improved constraints on the phenomenology of new particles and interactions.
Author: Anthony W Thomas
Publisher: World Scientific
ISBN: 9814543551
Category :
Languages : en
Pages : 226
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Book Description
CP violation is essential to understanding the universe in which we live. Without it there can be no dominance of matter over anti-matter. New experimental facilities, such as the B-factories, and new experimental techniques promise the first real advances in our understanding of this phenomenon since its discovery in the mid-60's.The Workshop on CP violation brought together representatives of all the major experimental collaborations and key theorists. The result is an excellent introduction to the directions in which the field will move in the next few years.
Author: Markus Röhrken
Publisher: Springer Science & Business Media
ISBN: 3319007262
Category : Science
Languages : en
Pages : 205
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Book Description
This thesis describes a high-quality, high-precision method for the data analysis of an interesting elementary particle reaction. The data was collected at the Japanese B-meson factory KEKB with the Belle detector, one of the most successful large-scale experiments worldwide. CP violation is a subtle quantum effect that makes the world look different when simultaneously left and right and matter and antimatter are exchanged. This being a prerequisite for our own world to have developed from the big bang, there are only a few experimental indications of such effects, and their detection requires very intricate techniques. The discovery of CP violation in B meson decays garnered Kobayashi and Maskawa, who had predicted these findings as early as 1973, the 2008 Nobel prize in physics. This thesis describes in great detail what are by far the best measurements of branching ratios and CP violation parameters in two special reactions with two charm mesons in the final state. It presents an in-depth but accessible overview of the theory, phenomenology, experimental setup, data collection, Monte Carlo simulations, (blind) statistical data analysis, and systematic uncertainty studies.
