Seach For Second Generation Leptoquarks In Proton Anti Proton Collisions

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Seach For Second Generation Leptoquarks In Proton Anti Proton Collisions

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Author : Tim U. Christiansen
language : en
Publisher:
Release Date : 2003

Seach For Second Generation Leptoquarks In Proton Anti Proton Collisions written by Tim U. Christiansen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

This document describes the search for second-generation leptoquarks (LQ{sub 2}) in around 114pb{sup -1} of p{bar p} collisions, recorded with the D0 detector between September 2002 and June 2003 at a centre-of-mass energy of {radical}s = 1.96TeV. The predictions of the Standard Model and models including scalar leptoquark production are compared to the data for various kinematic distributions. Since no excess of data over the Standard Model prediction has been observed, a lower limit on the leptoquark mass of M{sub LQ{sub 2}}{sup {beta}=1}> 200GeV has been calculated at 95% confidence level (C.L.), assuming a branching fraction of {beta} = BF(LQ{sub 2} {yields} {mu}j) = 100% into a charged lepton and a quark. The corresponding limit for {beta} = 1/2 is M{sub LQ{sub 2}}{sup {beta}=1/2}> 152 GeV. Finally, the results were combined with those from the search in the same channel at D0 Run I. This combination yields the exclusion limit of M{sub LQ{sub 2}}{sup {beta}=1}> 222 GeV (177GeV) for (beta) = 1 (1/2) at 95% C.L., which is the best exclusion limit for scalar second-generation leptoquarks (for {beta} = 1) from a single experiment to date.

The Evidence For The Top Quark

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Author : Kent W. Staley
language : en
Publisher: Cambridge University Press
Release Date : 2004-04-05

The Evidence For The Top Quark written by Kent W. Staley and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-04-05 with Philosophy categories.

The Evidence for the Top Quark offers both a historical and philosophical perspective on an important recent discovery in particle physics: the first evidence for the elementary particle known as the top quark. Drawing on published reports, oral histories, and internal documents from the large collaboration that performed the experiment, Kent Staley explores in detail the controversies and politics that surrounded this major scientific result.At the same time the book seeks to defend an objective theory of scientific evidence based on error probabilities.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1995

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 with Aeronautics categories.

Chemical Abstracts

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Author :
language : en
Publisher:
Release Date : 2002

Chemical 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 2002 with Chemistry categories.

Dissertation Abstracts International

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Author :
language : en
Publisher:
Release Date : 2007

Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Dissertations, Academic categories.

Machine Learning Under Resource Constraints Discovery In Physics

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Author : Katharina Morik
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2022-12-31

Machine Learning Under Resource Constraints Discovery In Physics written by Katharina Morik and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-12-31 with Science categories.

Machine Learning under Resource Constraints addresses novel machine learning algorithms that are challenged by high-throughput data, by high dimensions, or by complex structures of the data in three volumes. Resource constraints are given by the relation between the demands for processing the data and the capacity of the computing machinery. The resources are runtime, memory, communication, and energy. Hence, modern computer architectures play a significant role. Novel machine learning algorithms are optimized with regard to minimal resource consumption. Moreover, learned predictions are executed on diverse architectures to save resources. It provides a comprehensive overview of the novel approaches to machine learning research that consider resource constraints, as well as the application of the described methods in various domains of science and engineering. Volume 2 covers machine learning for knowledge discovery in particle and astroparticle physics. Their instruments, e.g., particle detectors or telescopes, gather petabytes of data. Here, machine learning is necessary not only to process the vast amounts of data and to detect the relevant examples efficiently, but also as part of the knowledge discovery process itself. The physical knowledge is encoded in simulations that are used to train the machine learning models. At the same time, the interpretation of the learned models serves to expand the physical knowledge. This results in a cycle of theory enhancement supported by machine learning.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1995

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 1995 with Power resources categories.

A Guide To Experimental Particle Physics Literature 1994 1998

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Author : V. V. Ezhela
language : en
Publisher:
Release Date : 1999

A Guide To Experimental Particle Physics Literature 1994 1998 written by V. V. Ezhela and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Particles (Nuclear physics) categories.

Public Lectures

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Author : Jerome Isaac Friedman
language : en
Publisher: Office of Unive
Release Date : 1997

Public Lectures written by Jerome Isaac Friedman and has been published by Office of Unive this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.

Nuclear Data

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Author :
language : en
Publisher:
Release Date : 1996

Nuclear Data written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Nuclear physics categories.