Measurements Of The X C And X B Quarkonium States In Pp Collisions With The Atlas Experiment

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Measurements of the X c and X b Quarkonium States in pp Collisions with the ATLAS Experiment

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Author : Andrew Chisholm
Publisher : Springer
ISBN 13 : 3319231200
Total Pages : 193 pages
Book Rating : 4.3/5 (192 download)

Book Synopsis Measurements of the X c and X b Quarkonium States in pp Collisions with the ATLAS Experiment by : Andrew Chisholm

Download or read book Measurements of the X c and X b Quarkonium States in pp Collisions with the ATLAS Experiment written by Andrew Chisholm and published by Springer. This book was released on 2015-09-14 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis, which won one of the six 2015 ATLAS Thesis Awards, concerns the study of the charmonium and bottomonium bound heavy quark bound states. The first section of the thesis describes the observation of a candidate for the chi_b(3P) bottomonium states. This represented the first observation of a new particle at the LHC and its existence was subsequently confirmed by D0 and LHCb experiments. The second part of the thesis presents measurements of the prompt and non-prompt production of the chi_c1 and chi_c2 charmonium states in proton-proton collisions. These measurements are compared to several theoretical predictions and can be used to inform the development of theoretical models of quarkonium production.

QCD Radiation in Top-Antitop and Z+Jets Final States

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Author : Kiran Joshi
Publisher : Springer
ISBN 13 : 3319196537
Total Pages : 188 pages
Book Rating : 4.3/5 (191 download)

Book Synopsis QCD Radiation in Top-Antitop and Z+Jets Final States by : Kiran Joshi

Download or read book QCD Radiation in Top-Antitop and Z+Jets Final States written by Kiran Joshi and published by Springer. This book was released on 2015-06-12 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis contains new research in both experimental and theoretical particle physics, making important contributions in each. Two analyses of collision data from the ATLAS experiment at the LHC are presented, as well as two phenomenological studies of heavy coloured resonances that could be produced at the LHC. The first data analysis was the measurement of top quark-antiquark production with a veto on additional jet activity. As the first detector-corrected measurement of jet activity in top-antitop events it played an important role in constraining the theoretical modelling, and ultimately reduced these uncertainties for ATLAS's other top-quark measurements by a factor of two. The second data analysis was the measurement of Z+2jet production and the observation of the electroweak vector boson fusion (VBF) component. As the first observation of VBF at a hadron collider, this measurement demonstrated new techniques to reliably extract VBF processes and paved the way for future VBF Higgs measurements. The first phenomenological study developed a new technique for identifying the colour of heavy resonances produced in proton-proton collisions. As a by-product of this study an unexpected and previously unnoticed correlation was discovered between the probability of correctly identifying a high-energy top and the colour structure of the event it was produced in. The second phenomenological study explored this relationship in more detail, and could have important consequences for the identification of new particles that decay to top quarks.

Top Quark Pair Production

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Author : Anna Christine Henrichs
Publisher :
ISBN 13 : 9783319014883
Total Pages : 240 pages
Book Rating : 4.0/5 (148 download)

Book Synopsis Top Quark Pair Production by : Anna Christine Henrichs

Download or read book Top Quark Pair Production written by Anna Christine Henrichs and published by . This book was released on 2013-10-31 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Searching for Squarks

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Author : Samuel Jones
Publisher : Springer Nature
ISBN 13 : 3030542882
Total Pages : 223 pages
Book Rating : 4.0/5 (35 download)

Book Synopsis Searching for Squarks by : Samuel Jones

Download or read book Searching for Squarks written by Samuel Jones and published by Springer Nature. This book was released on 2020-08-27 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focuses on searches for squarks with the ATLAS detector in "compressed" scenarios where the scalar top is very close in mass to the lightest supersymmetric particle. These models are theoretically appealing because the presence of a quasi-degenerate scalar top enhances the self-annihilation cross-section of the lightest supersymmetric particle, acting therefore as a regulator of the dark matter relic density. Two main analyses are presented: the first is a search for scalar tops decaying to charm quarks. The identification of jets originating from the charm quark is very challenging due to its short lifetime. The calibration of tools for charm-tagging has paved the way to measuring the decay of the Higgs boson to pairs of charm quarks. The second analysis presented is the development of a novel technique for reconstructing low momentum b-hadrons. This tool has enabled the ATLAS collaboration to explore topologies that were previously inaccessible.

Measurement of the Inclusive Jet Cross Section with the ATLAS Detector at the Large Hadron Collider

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Author : Caterina Doglioni
Publisher : Springer
ISBN 13 : 9783642305399
Total Pages : 160 pages
Book Rating : 4.3/5 (53 download)

Book Synopsis Measurement of the Inclusive Jet Cross Section with the ATLAS Detector at the Large Hadron Collider by : Caterina Doglioni

Download or read book Measurement of the Inclusive Jet Cross Section with the ATLAS Detector at the Large Hadron Collider written by Caterina Doglioni and published by Springer. This book was released on 2012-07-28 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests of the current understanding of physics at the highest energies achievable in man-made experiments are performed at CERN’s Large Hadron Collider. In the theory of the strong force within the Standard Model of particle physics - Quantum ChromoDynamics or QCD - confined quarks and gluons from the proton-proton scattering manifest themselves as groups of collimated particles. These particles are clustered into physically measurable objects called hadronic jets. As jets are widely produced at hadron colliders, they are the key physics objects for an early "rediscovery of QCD". This thesis presents the first jet measurement from the ATLAS Collaboration at the LHC and confronts the experimental challenges of precision measurements. Inclusive jet cross section data are then used to improve the knowledge of the momentum distribution of quarks and gluons within the proton and of the magnitude of the strong force.

Measurement of Quarkonium Polarization to Probe QCD at the LHC

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Author : Valentin Knünz
Publisher : Springer
ISBN 13 : 9783319499345
Total Pages : 0 pages
Book Rating : 4.4/5 (993 download)

Book Synopsis Measurement of Quarkonium Polarization to Probe QCD at the LHC by : Valentin Knünz

Download or read book Measurement of Quarkonium Polarization to Probe QCD at the LHC written by Valentin Knünz and published by Springer. This book was released on 2017-01-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis discusses in detail the measurement of the polarizations of all S-wave vector quarkonium states in LHC proton-proton collisions with the CMS detector. Heavy quarkonium states constitute an ideal laboratory to study non-perturbative effects of quantum chromodynamics and to understand how quarks bind into hadrons. The experimental results are interpreted through an original phenomenological approach, which leads to a coherent picture of quarkonium production cross sections and polarizations within a simple model, dominated by one single color-octet production mechanism. These findings provide new insights into the dynamics of heavy quarkonium production at the LHC, an important step towards a satisfactory understanding of hadron formation within the standard model of particle physics.

Electroweak Interactions and Unified Theories

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Author : J. Thanh Van Tran
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863320556
Total Pages : 616 pages
Book Rating : 4.3/5 (25 download)

Book Synopsis Electroweak Interactions and Unified Theories by : J. Thanh Van Tran

Download or read book Electroweak Interactions and Unified Theories written by J. Thanh Van Tran and published by Atlantica Séguier Frontières. This book was released on 1988 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hadron Spectroscopy And Structure - Proceedings Of The Xviii International Conference

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Author : Feng-kun Guo
Publisher : World Scientific
ISBN 13 : 981121932X
Total Pages : 800 pages
Book Rating : 4.8/5 (112 download)

Book Synopsis Hadron Spectroscopy And Structure - Proceedings Of The Xviii International Conference by : Feng-kun Guo

Download or read book Hadron Spectroscopy And Structure - Proceedings Of The Xviii International Conference written by Feng-kun Guo and published by World Scientific. This book was released on 2020-07-28 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the conference proceedings for the 18th International Conference on Hadron Spectroscopy and Structure (HADRON2019), held in Guilin, China. It is among the most important conference series in the field of hadron spectroscopy and structure. Collecting more than 130 contributions from this conference, the book spans over the topics of meson and baryon spectroscopy, exotic hadrons, hadron production and interactions, analysis tools, QCD and hadron structure, hadrons in nuclear environment and hypernuclei. Summaries of the recent discoveries from Belle, BESIII, LHCb and other high-energy experiments, as well as recent theoretical developments in the above mentioned topics, are contained in this volume, rendering it as a valuable resource for researchers working on hadron spectroscopy and structure.

Heavy Flavor Physics

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Author : Beijing Institute of Modern Physics
Publisher : World Scientific Publishing Company
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.:/5 (45 download)

Book Synopsis Heavy Flavor Physics by : Beijing Institute of Modern Physics

Download or read book Heavy Flavor Physics written by Beijing Institute of Modern Physics and published by World Scientific Publishing Company. This book was released on 1989 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hadron Interactions,

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Author : P. D. B. Collins
Publisher : CRC Press
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (44 download)

Book Synopsis Hadron Interactions, by : P. D. B. Collins

Download or read book Hadron Interactions, written by P. D. B. Collins and published by CRC Press. This book was released on 1984 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intended for graduate students, advanced undergraduates and research staff in particle physics and related disciplines and will also be of interest to physicists not working in this field who want an overview of the present development of the subject.

The Standard Theory of Particle Physics

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Author : Luciano Maiani
Publisher : World Scientific Publishing Company
ISBN 13 : 9814733512
Total Pages : 483 pages
Book Rating : 4.8/5 (147 download)

Book Synopsis The Standard Theory of Particle Physics by : Luciano Maiani

Download or read book The Standard Theory of Particle Physics written by Luciano Maiani and published by World Scientific Publishing Company. This book was released on 2016-08-25 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book gives a quite complete and up-to-date picture of the Standard Theory with an historical perspective, with a collection of articles written by some of the protagonists of present particle physics. The theoretical developments are described together with the most up-to-date experimental tests, including the discovery of the Higgs Boson and the measurement of its mass as well as the most precise measurements of the top mass, giving the reader a complete description of our present understanding of particle physics.

The Whys of Subnuclear Physics

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Author : Antonio L. Zichichi
Publisher : Springer Science & Business Media
ISBN 13 : 1468409913
Total Pages : 1239 pages
Book Rating : 4.4/5 (684 download)

Book Synopsis The Whys of Subnuclear Physics by : Antonio L. Zichichi

Download or read book The Whys of Subnuclear Physics written by Antonio L. Zichichi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1239 pages. Available in PDF, EPUB and Kindle. Book excerpt: From 23 July to 10 August 1977 a group of 125 physicists from 72 laboratories of 20 countries met in Erice to attend the 15th Course of the International School of Subnuclear Physics. The countries represented at the School were: Belgium, Bulgaria, Denmark, Federal Republic of Germany, Finland, France, Hungary, Ireland, Israel, Italy, Japan, the Netherlands, Norway, Poland, Sweden, Switzerland, the United Kingdom, the United States of America and Venezuela. The School was sponsored by the Italian Ministry of Public Education (MPI), the Italian Ministry of Scientific and Technologi cal Research (MRST) , the North Atlantic Treaty Organization (NATO), the Regional Sicilian Government (ERS) and the Heizmann Institute of Science. The School was very exciting due to the impressive number of frontier problems which were discussed. Being the 15th year of the School, it was decided to review all outstanding "Whys". At various stages of my work I have enjoyed the collaboration of many friends whose contributions have been extremely important for the School and are highly appreciated. I would like to thank Dr.A. Gabriele, Ms.S. McGarry, Mr. and Mrs. S. Newman, Ms.P. Savalli and Ms.M. Zaini for the general scientific and administrative work. Finally, I would like to thank most warmly all those ~n Erice, Bologna and Geneva who helped me on so many occasions and to whom I feel very much indebted.

Cosmology of the Early Universe

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Author : Lizhi Fang
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (41 download)

Book Synopsis Cosmology of the Early Universe by : Lizhi Fang

Download or read book Cosmology of the Early Universe written by Lizhi Fang and published by . This book was released on 1984 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Heavy Quark Physics

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Author : Aneesh V. Manohar
Publisher : Cambridge University Press
ISBN 13 : 1009402145
Total Pages : 205 pages
Book Rating : 4.0/5 (94 download)

Book Synopsis Heavy Quark Physics by : Aneesh V. Manohar

Download or read book Heavy Quark Physics written by Aneesh V. Manohar and published by Cambridge University Press. This book was released on 2023-07-31 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lie Theory and Its Applications in Physics

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Author : Vladimir Dobrev
Publisher : Springer
ISBN 13 : 9784431562337
Total Pages : 0 pages
Book Rating : 4.5/5 (623 download)

Book Synopsis Lie Theory and Its Applications in Physics by : Vladimir Dobrev

Download or read book Lie Theory and Its Applications in Physics written by Vladimir Dobrev and published by Springer. This book was released on 2016-10-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traditionally, Lie theory is a tool to build mathematical models for physical systems. Recently, the trend is towards geometrization of the mathematical description of physical systems and objects. A geometric approach to a system yields in general some notion of symmetry which is very helpful in understanding its structure. Geometrization and symmetries are meant in their widest sense, i.e., representation theory, algebraic geometry, infinite-dimensional Lie algebras and groups, superalgebras and supergroups, groups and quantum groups, noncommutative geometry, symmetries of linear and nonlinear PDE, special functions, and others. Furthermore, the necessary tools from functional analysis and number theory are included. This is a big interdisciplinary and interrelated field. Samples of these fresh trends are presented in this volume, based on contributions from the Workshop "Lie Theory and Its Applications in Physics" held near Varna (Bulgaria) in June 2013. This book is suitable for a broad audience of mathematicians, mathematical physicists, and theoretical physicists and researchers in the field of Lie Theory.

Dynamics of the Standard Model

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Author : John F. Donoghue
Publisher : Cambridge University Press
ISBN 13 : 1009291009
Total Pages : 599 pages
Book Rating : 4.0/5 (92 download)

Book Synopsis Dynamics of the Standard Model by : John F. Donoghue

Download or read book Dynamics of the Standard Model written by John F. Donoghue and published by Cambridge University Press. This book was released on 2023-01-31 with total page 599 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 2014 edition, now OA, provides a detailed and practical account of the Standard Model of particle physics.

The High Luminosity Large Hadron Collider

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Author : O. Brüning
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (22 download)

Book Synopsis The High Luminosity Large Hadron Collider by : O. Brüning

Download or read book The High Luminosity Large Hadron Collider written by O. Brüning and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: