Measurement of Quarkonium Polarization to Probe QCD at the LHC

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Publisher : Springer
ISBN 13 : 3319499351
Total Pages : 166 pages
Book Rating : 4.3/5 (194 download)

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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 2017-01-07 with total page 166 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.

Heavy Quarkonium Production Phenomenology and Automation of One-Loop Scattering Amplitude Computations

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Publisher : Springer
ISBN 13 : 9811016240
Total Pages : 167 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Heavy Quarkonium Production Phenomenology and Automation of One-Loop Scattering Amplitude Computations by : Hua-Sheng Shao

Download or read book Heavy Quarkonium Production Phenomenology and Automation of One-Loop Scattering Amplitude Computations written by Hua-Sheng Shao and published by Springer. This book was released on 2016-07-09 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the study of heavy quarkonium production at high-energy colliders as a useful tool to explain both the perturbative and non-perturbative aspects of quantum choromodynamics. It provides the first comprehensive comparison between the theory and recent experiments and clarifies some longstanding puzzles in the heavy quarkonium production mechanism. In addition, it describes in detail a new framework for implementing precise computations of the physical observables in quantum field theories based on recently developed techniques. It can be used to simulate the complicated collider environment of the Large Hadron Collider at the Conseil Européen pour la Recherche Nucléaire (CERN). Its accomplishment implies that the Monte Carlo simulations for high-energy physics experiments have reached the limits of precision. It offers readers a wealth of valuable information on the relevant techniques.

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

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Publisher : Springer
ISBN 13 : 3319231200
Total Pages : 183 pages
Book Rating : 4.3/5 (192 download)

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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 183 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.

Associated Production of W + Charm in 13 TeV Proton-Proton Collisions Measured with CMS and Determination of the Strange Quark Content of the Proton

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Publisher : Springer Nature
ISBN 13 : 303052762X
Total Pages : 148 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Associated Production of W + Charm in 13 TeV Proton-Proton Collisions Measured with CMS and Determination of the Strange Quark Content of the Proton by : Svenja Karen Pflitsch

Download or read book Associated Production of W + Charm in 13 TeV Proton-Proton Collisions Measured with CMS and Determination of the Strange Quark Content of the Proton written by Svenja Karen Pflitsch and published by Springer Nature. This book was released on 2020-08-18 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The associated production of a W boson and a single charm quark (W+c) is the only process in proton-proton collisions that directly probes the strange quark content of the proton. In this thesis, W+charm production is measured in proton-proton collisions at the LHC at 13 TeV, as recorded by the Compact Muon Solenoid (CMS) experiment. The analysis focuses on the identification of W bosons in their leptonic decay to a muon and a neutrino and charm quarks are tagged via the full reconstruction of D*-Mesons. The measured cross sections of W+c production are used, in combination with other relevant CMS results and the most precise HERA DIS data, in a QCD analysis to determine the strange quark content of the proton. The resulting strange quark distribution and suppression, with respect to the other light sea quarks, are in good agreement with those obtained in neutrino scattering experiments and extend their kinematic reach.

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

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Publisher :
ISBN 13 : 9783319196541
Total Pages : pages
Book Rating : 4.1/5 (965 download)

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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 . This book was released on 2015 with total page 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.

Gauge/string Duality, Hot QCD and Heavy Ion Collisions

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Publisher :
ISBN 13 : 9781107779419
Total Pages : 460 pages
Book Rating : 4.7/5 (794 download)

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Book Synopsis Gauge/string Duality, Hot QCD and Heavy Ion Collisions by :

Download or read book Gauge/string Duality, Hot QCD and Heavy Ion Collisions written by and published by . This book was released on 2014 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Heavy Particles And Flavours - Proceedings Of Lishep 2018

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Publisher : World Scientific
ISBN 13 : 9811200394
Total Pages : 216 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Heavy Particles And Flavours - Proceedings Of Lishep 2018 by : Santoro Alberto

Download or read book Heavy Particles And Flavours - Proceedings Of Lishep 2018 written by Santoro Alberto and published by World Scientific. This book was released on 2019-07-30 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book of proceedings is composed of articles based on the presentations at LISHEP 2018, centering on the main theme of the conference 'Heavy Particles and Flavours', with a focus on recent results and developments from the experiments at the Large Hadron Collider.

CERN Courier

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Publisher :
ISBN 13 :
Total Pages : 514 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis CERN Courier by :

Download or read book CERN Courier written by and published by . This book was released on 2015 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Gauge/string Duality, Hot QCD and Heavy Ion Collisions

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Publisher :
ISBN 13 : 9781009403504
Total Pages : 0 pages
Book Rating : 4.4/5 (35 download)

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Book Synopsis Gauge/string Duality, Hot QCD and Heavy Ion Collisions by : Jorge Casalderrey-Solana

Download or read book Gauge/string Duality, Hot QCD and Heavy Ion Collisions written by Jorge Casalderrey-Solana and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Particle Polarization in High Energy Physics

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Publisher : Springer Nature
ISBN 13 : 303108876X
Total Pages : 313 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Particle Polarization in High Energy Physics by : Pietro Faccioli

Download or read book Particle Polarization in High Energy Physics written by Pietro Faccioli and published by Springer Nature. This book was released on 2023-01-17 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open-access book addresses the following questions: how does the polarization of a particle, i.e., the angular momentum state in which it is produced, manifest itself in nature? What are the concepts and tools needed to perform rigorous measurements providing complete and unambiguous physical information? Polarization measurements are important because they reflect the nature and coupling properties of a particle and provide unique insights into the underlying fundamental interactions, playing a central role in the study and understanding of the mechanisms of particle production. Besides gradually reviewing many fundamental notions, the book presents several case studies relevant to physics analyses underway at the LHC, including the lepton-antilepton decays of vector states (Drell–Yan, Z and W bosons, quarkonia, etc.). The book also offers a detailed discussion of cascade decays, where the vector particle is a daughter of another particle, as well as a survey of typical angular distributions of particles of any integer or half-integer spin. With a visual approach to the presentation of the concepts and frequent use of pedagogical examples, taken from real measurements, gedankenexperiments, or detailed simulations, the book focuses on aspects of polarization measurements that are sometimes underestimated or left unexplored in experimental analyses, such as the importance of the choice of the reference frame, the existence of frame-independent relations, and the shapes of the physically allowed parameter domains. Several examples are provided of pitfalls introduced when the intrinsic multidimensionality of the problem is neglected in exchange for a simplified analysis. Targeting an audience of graduate students, post-docs, and other researchers involved in analyses of LHC data, this book helps to establish a solid bridge between high precision data, existing or soon to be collected, and accurate measurements, including high-sensitivity tests of the Standard Model.

Heavy Quarkonium Physics

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Publisher :
ISBN 13 : 9789290832546
Total Pages : 487 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Heavy Quarkonium Physics by : Nora Brambilla

Download or read book Heavy Quarkonium Physics written by Nora Brambilla and published by . This book was released on 2005 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 426 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The XVIII International Conference on Strangeness in Quark Matter (SQM 2019)

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Publisher : Springer
ISBN 13 : 9783030534509
Total Pages : 615 pages
Book Rating : 4.5/5 (345 download)

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Book Synopsis The XVIII International Conference on Strangeness in Quark Matter (SQM 2019) by : Domenico Elia

Download or read book The XVIII International Conference on Strangeness in Quark Matter (SQM 2019) written by Domenico Elia and published by Springer. This book was released on 2021-10-05 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on new experimental and theoretical advances concerning the role of strange and heavy-flavour quarks in high-energy heavy-ion collisions and in astrophysical phenomena. The topics covered include • Strangeness and heavy-quark production in nuclear collisions and hadronic interactions, • Hadron resonances in the strongly-coupled partonic and hadronic medium, • Bulk matter phenomena associated with strange and heavy quarks, • QCD phase structure, • Collectivity in small systems, • Strangeness in astrophysics,• Open questions and new developments.

Foundations of Perturbative QCD

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Publisher : Cambridge University Press
ISBN 13 : 1139500627
Total Pages : 637 pages
Book Rating : 4.1/5 (395 download)

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Book Synopsis Foundations of Perturbative QCD by : John Collins

Download or read book Foundations of Perturbative QCD written by John Collins and published by Cambridge University Press. This book was released on 2011-04-28 with total page 637 pages. Available in PDF, EPUB and Kindle. Book excerpt: Giving an accurate account of the concepts, theorems and their justification, this book is a systematic treatment of perturbative QCD. It relates the concepts to experimental data, giving strong motivations for the methods. Ideal for graduate students starting their work in high-energy physics, it will also interest experienced researchers.

Relativistic Heavy-ion Collisions

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Publisher : CRC Press
ISBN 13 : 9782881247347
Total Pages : 338 pages
Book Rating : 4.2/5 (473 download)

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Book Synopsis Relativistic Heavy-ion Collisions by : Rudolph C. Hwa

Download or read book Relativistic Heavy-ion Collisions written by Rudolph C. Hwa and published by CRC Press. This book was released on 1990 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers of the June 1989 meeting in Beijing by the China Center of Advanced Science and Technology. This small book covers nucleus- nucleus collisions, states of the vacuum, and highly relativistic heavy ions in the experimental realm. Theoretical papers deal with quark-gluon plasma, and relativistic heavy ion collisions. Annotation copyrighted by Book News, Inc., Portland, OR

Indian Science Abstracts

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Publisher :
ISBN 13 :
Total Pages : 1148 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Indian Science Abstracts by :

Download or read book Indian Science Abstracts written by and published by . This book was released on 2012-03 with total page 1148 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The IVth International Conference on Quarks and Nuclear Physics

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Publisher : Springer Science & Business Media
ISBN 13 : 3540725164
Total Pages : 615 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis The IVth International Conference on Quarks and Nuclear Physics by : Antonio Dobado

Download or read book The IVth International Conference on Quarks and Nuclear Physics written by Antonio Dobado and published by Springer Science & Business Media. This book was released on 2008-11-07 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: The QNP series of international conferences on Quarks and Nuclear Physics is by now a well established and highly respected forum where the most recent developments in the field are discussed and communicated. QNP 2006 is the forth edition of this biennial meeting. Selected and refereed original contributions of QNP 2006 have been published in The European Physical Journal A - Hadrons and Nuclei (EPJ A), while the present proceedings book, in addition to reprinting the articles published in EPJ A, further includes all other contributions selected and accepted by the organizing committee for publication and archiving.