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Fully Reconstructed B Meson Decays Using J Psi And Psi 2s

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Fully Reconstructed B Meson Decays Using J Psi And Psi 2s

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Author :
language : en
Publisher:
Release Date : 2001

Fully Reconstructed B Meson Decays Using J Psi And Psi 2s written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

In this paper we present CDF B-meson branching ratio results involving color-suppressed[ital B][r-arrow][Psi][Kappa] decays, where[Psi]=[ital J]/[psi], [psi](2[ital S]) and[Kappa]=[Kappa], [Kappa][sup*]. Fully reconstructed decays of[ital B][r-arrow][ital J]/[psi][Kappa], [ital B][r-arrow][psi](2[ital S])[Kappa], [ital B][sup+][r-arrow][ital J]/[psi][pi][sup+] and[ital B][sub s][r-arrow][ital J]/[psi][phi] are used to extract branching ratios, vector-pseudoscalar ratios and polarization parameters.

Cp Violation In B S 0 J Psi Phi Decays

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Author : Sabato Leo
language : en
Publisher: Springer
Release Date : 2014-07-24

Cp Violation In B S 0 J Psi Phi Decays written by Sabato Leo and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-24 with Science categories.

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.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1995-08

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-08 with Aeronautics categories.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1986

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Power resources categories.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1994

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Power resources categories.

Machine Learning At The Belle Ii Experiment

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Author : Thomas Keck
language : en
Publisher: Springer
Release Date : 2018-12-29

Machine Learning At The Belle Ii Experiment written by Thomas Keck and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-12-29 with Science categories.

This book explores how machine learning can be used to improve the efficiency of expensive fundamental science experiments. The first part introduces the Belle and Belle II experiments, providing a detailed description of the Belle to Belle II data conversion tool, currently used by many analysts. The second part covers machine learning in high-energy physics, discussing the Belle II machine learning infrastructure and selected algorithms in detail. Furthermore, it examines several machine learning techniques that can be used to control and reduce systematic uncertainties. The third part investigates the important exclusive B tagging technique, unique to physics experiments operating at the Υ resonances, and studies in-depth the novel Full Event Interpretation algorithm, which doubles the maximum tag-side efficiency of its predecessor. The fourth part presents a complete measurement of the branching fraction of the rare leptonic B decay “B→tau nu”, which is used to validate the algorithms discussed in previous parts.