Search for CP Violation in the Decay Tau- \to Pi- K0̂_S (] PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
We report a search for CP violation in the decay?− →?−K{sub S}°({>=} 0?°)?{sub?} using a dataset of 437 million {tau} lepton pairs, corresponding to an integrated luminosity of 476 fb−1, collected with the BABAR detector at the PEP-II asymmetric energy ee− storage rings. The CP-violating decay-rate asymmetry is determined to be ( -0.45 ± 0.24 ± 0.11)%, approximately three standard deviations from the Standard Model prediction of (0.33 ± 0.01)%.
Author: Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
We report a search for CP violation in the decay?− →?−K{sub S}°({>=} 0?°)?{sub?} using a dataset of 437 million {tau} lepton pairs, corresponding to an integrated luminosity of 476 fb−1, collected with the BABAR detector at the PEP-II asymmetric energy ee− storage rings. The CP-violating decay-rate asymmetry is determined to be ( -0.45 ± 0.24 ± 0.11)%, approximately three standard deviations from the Standard Model prediction of (0.33 ± 0.01)%.
Author: Cecilia Jarlskog Publisher: World Scientific ISBN: 9814632457 Category : Languages : en Pages : 733
Book Description
Contents:CP Phenomenology:Introduction to CP Violation (C Jarlskog)CP-Violation in the K0-K0-System (K Kleinknecht)The Quark Mixing Matrix, Charm Decays and B Decays (S Stone)The Question of CP Noninvariance — As Seen through the Eyes of Neutral Beauty (I I Bigi et al.)In Search of CP Noninvariance in Heavy Quark Systems (L-L Chau)CP Violation at High Energy e+e- Colliders (J Bernabéu & M B Gavela)CP Violation in the Standard Model with Four Families (A Datta & E A Paschos)CP Effects When Neutrinos are their Own Antiparticles (B Kayser)On Spontaneous CP Violation Triggered by Scalar Bosons (I I Bigi & A I Sanda)CP Violation and Left-Right Symmetry (R N Mohapatra)CP Violation and Supersymmetry (R N Mohapatra)Electric Dipole Moments (S M Barr & W H Marciano)Special Topics: The Strong CP Problem (R D Peccei)CP Violation and Cosmology (P Langacker)Nonleptonic Interactions:The 1/N Approach to Nonleptonic Weak Interactions (A J Buras)Chiral Perturbation Theory Approach to Weak Amplitudes (E de Rafael)What We Learnt from Weak Decays of Heavy Quarks (B Stech)Weak Hamiltonian on the Lattice (G Martinelli) Readership: High energy physicists. Keywords:CP Violation;Quark Mixing Matrix;Charm Decays;B Decays;Nonleptic Interactions;Heavy QuarksReview: “Similar material is most often available in journals, but the book accomplishes a valuable service in drawing it together … the one that will probably have the greatest utility and longest lifespan is the survey of B meson physics by I Bigi, V Khoze, N Uraltsev and A Sanda … Bigi et al. here provide the most thorough and readable account of the issues that I know of. I have seen no review comparable to the excellent summary of electric dipole moments by S Barr and W Marciano … the volume offers a generally readable entry into this field for a reader who has a basic background in particle physics.” John F Donoghue Science “… this book performs a very useful service for anyone active or interested in CP violation, both as a source of primary information and as a work of reference.” K J Peach J Phys. G: Nucl. Part. Phys.
Author: Publisher: ISBN: Category : Languages : en Pages :
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: Mark Hodgkinson Publisher: ISBN: Category : Languages : en Pages : 167
Book Description
A sample of {tau}{sup {+-}} {yields} K*{sup {+-}} decays with K*{sup {+-}} {yields} K{sub S}{sup 0}{pi}{sup {+-}} and K{sub S}{sup 0} {yields} {pi}{sup +}{pi}{sup -}, using 123.4 fb{sup -1} of data collected by the BaBar detector at the Stanford Linear Accelerator Center, is used to search for a direct CP violation effect in the charged Higgs sector. No evidence of CP violation is found and the imaginary part of the charged Higgs coupling, {l_brace}Im{r_brace}({Lambda}), in the Multi-Higgs-Doublet-Model is found to be at -0.284
Author: Publisher: ISBN: Category : Languages : en Pages : 13
Book Description
In the Standard Model no CP violation can occur in decay processes involving leptons either as a parent or a daughter because these processes involve one W exchange and thus, even if the CP violating complex coupling exists in these decays, its effect will not show up when the amplitude is squared. The author needs two diagrams to interfere with each other to see the CP violating effects. Here, he discusses ways to find CP violation in the decay of [tau]{sup {+-}} → [nu]{sub [tau]} + 3[pi] from unpolarized as well as polarized {tau}{sup {+-}}.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
In the Standard Model no CP violation can occur in decay processes involving leptons either as a parent or a daughter because these processes involve one W exchange and thus, even if the CP violating complex coupling exists in these decays, its effect will not show up when the amplitude is squared. The author needs two diagrams to interfere with each other to see the CP violating effects. Here, he discusses ways to find CP violation in the decay of[tau][sup[+-]][yields][nu][sub[tau]]+ 3[pi] from unpolarized as well as polarized[tau][sup[+-]].
![Search for CP Violation in the Decay Tau- \to Pi- K0̂_S (] PDF](https://books.google.com/books/content/images/frontcover/8un-wQEACAAJ?fife=w150-h200)
Author: ![Search for CP Violation in the Decay Tau- \to Pi- K0̂_S (] PDF](https://books.google.com/books/content/images/frontcover/8un-wQEACAAJ?fife=w80-h100)
Author: 
Author: Cecilia Jarlskog
Author: ![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![A Search for Direct CP Violation in the Decay K[L,S] [right Arrow] [pi]+[pi]−[gamma] PDF](https://books.google.com/books/content/images/frontcover/Q-C4PQAACAAJ?fife=w80-h100)
Author: Michael Christopher Ronquest
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Author: Mark Hodgkinson![A Search for Direct CP Violation in K[+-]-->[pi+-][pi+-][pi+-] Decays PDF](https://books.google.com/books/content/images/frontcover/iahNAQAAMAAJ?fife=w80-h100)
Author: Woon-Seng Choong![CP Violation in [tau] 2![nu]{sub {tau}} + 3[pi]. PDF](https://books.google.com/books/content/images/frontcover/7BGnnQAACAAJ?fife=w80-h100)
Author: ![CP Violation In[tau][yields][nu][sub[tau]+ 3[pi]. PDF](https://books.google.com/books/content/images/frontcover/1xK8DAEACAAJ?fife=w80-h100)
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