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Spin Correlations In Tt Events From Pp Collisions

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Spin Correlations In Tt Events From Pp Collisions

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Author : Boris Lemmer
language : en
Publisher: Springer
Release Date : 2015-06-24

Spin Correlations In Tt Events From Pp Collisions written by Boris Lemmer and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-24 with Science categories.

This thesis introduces readers to the Standard Model, the top quark and its properties, before explaining the concept of spin correlation measurement. The first measurement of top quark spin correlations at the LHC in the lepton+jets decay channel is presented. As the heaviest elementary particle, the top quark plays an essential role in the Standard Model of elementary particle physics. In the case of top quarks being produced in pairs at hadron colliders, the Standard Model predicts their spins to be correlated. The degree of correlation depends on both the production mechanism and properties of the top quark. Any deviation from the Standard Model prediction can be an indicator for new physics phenomena. The thesis employs an advanced top quark reconstruction algorithm including dedicated identification of the up- and down-type quarks from the W boson decay.

Spin Correlations In Tt Events From Pp Collisions

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Author : Boris Lemmer
language : en
Publisher:
Release Date : 2015

Spin Correlations In Tt Events From Pp Collisions written by Boris Lemmer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

Hadronic Multiparticle Production

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Author : Peter A. Carruthers
language : en
Publisher: World Scientific
Release Date : 1988

Hadronic Multiparticle Production written by Peter A. Carruthers and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Science categories.

http://www.worldscientific.com/worldscibooks/10.1142/0492

Top Quark Spin Correlations With The Cms Detector

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Author : Jason R. Thieman
language : en
Publisher: Springer Nature
Release Date : 2024-12-04

Top Quark Spin Correlations With The Cms Detector written by Jason R. Thieman and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-04 with Science categories.

The differential top quark precision measurements of polarizations and spin correlations presented in this dissertation may potentially lead to breakthroughs in several key areas: observing quantum entanglement and Bell's Inequality violations in a hadronic system, discovering toponium, illuminating supersymmetry, interpreting field theories beyond the Standard Model, and advancing the understanding of electroweak vacuum stability. Additionally, this thesis provides a significantly improved understanding of CMS detector lepton trigger efficiencies, which has greatly enhanced the search for Lorentz invariance violation in top quark events, boosting the sensitivity by greater than a factor of 100. Finally, the thesis includes TCAD simulations that explore the feasibility of using the initial transient induced current, as described by the Ramo-Shockley Theorem, to achieve the picosecond timing precision in silicon pixel detectors needed for four-dimensional tracking.

Heavy Particles And Flavours Proceedings Of Lishep 2018

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Author : Alberto Santoro
language : en
Publisher: World Scientific
Release Date : 2019-07-30

Heavy Particles And Flavours Proceedings Of Lishep 2018 written by Alberto Santoro and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-30 with Science categories.

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.

Measurement Of Spin Correlations In Top Anti Top Events From Pp Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2014

Measurement Of Spin Correlations In Top Anti Top Events From Pp Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.

The top quark decays before it hadronises. Before its spin state can be changed in a process of strong interaction, it is directly transferred to the top quark decay products. The top quark spin can be deduced by studying angular distributions of the decay products. The Standard Model predicts the top/anti-top quark (tt) pairs to have correlated spins. The degree is sensitive to the spin and the production mechanisms of the top quark. Measuring the spin correlation allows to test the predictions. New physics e ects can be reflected in deviations from the prediction. In this thesis the spin ...

The Division Of Particles And Fields Of The American Physical Society Dpf 2000

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Author : American Physical Society. Division of Particles and Fields. Meeting
language : en
Publisher:
Release Date : 2001

The Division Of Particles And Fields Of The American Physical Society Dpf 2000 written by American Physical Society. Division of Particles and Fields. Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Nuclear physics categories.

Fundamental Interactions

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Author : A. Astbury
language : en
Publisher: World Scientific
Release Date : 2003

Fundamental Interactions written by A. Astbury and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Science categories.

The Lake Louise Winter Institute is held annually to explore recent trends in high energy physics in an informal setting. Pedagogical and review lectures are presented by invited experts. A topical workshop is held in conjunction with the Institute, with presentations by participants. Contents: Study of Charmed Particles Production and Decay in Neutrino Interactions (E Barbuto); Measurement of Triple Gauge-Boson Couplings in ALEPH (R Bruneliere); Recent Studies on Sparticles and MSSM Higgses at CMS (M Chiorboli); Measurement of Single Z Production at LEP2 (I Fleck); Open Heavy Flavour Production at HERA (J Kroseberg); Quantum Electrodynamics in Strong Magnetic Fields (D A Leahy); Spectroscopy of Baryons Containing Two Heavy Quarks (D U Matrasulov); Fermion Pair Production at LEPII and Limits on New Physics Processes (A J M Muijs); Recent Results on Jet Fragmentation from CDF (A N Safonov); Single Spin Azimuthal Asymmetries in Semi-Inclusive Electroproduction of Pions and Kaons (R-C Seidl); and other papers.,Readership: Graduate students, academics and researchers in high energy and theoretical physics.

The Division Of Particles And Fields Of The American Physical Society

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Author : American Physical Society. Division of Particles and Fields. Meeting
language : en
Publisher:
Release Date : 2001

The Division Of Particles And Fields Of The American Physical Society written by American Physical Society. Division of Particles and Fields. Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Nuclear reactions categories.

The Search For Supersymmetry In Hadronic Final States Using Boosted Object Reconstruction

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Author : Giordon Stark
language : en
Publisher: Springer Nature
Release Date : 2020-03-13

The Search For Supersymmetry In Hadronic Final States Using Boosted Object Reconstruction written by Giordon Stark and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-13 with Science categories.

This thesis represents one of the most comprehensive and in-depth studies of the use of Lorentz-boosted hadronic final state systems in the search for signals of Supersymmetry conducted to date at the Large Hadron Collider. A thorough assessment is performed of the observables that provide enhanced sensitivity to new physics signals otherwise hidden under an enormous background of top quark pairs produced by Standard Model processes. This is complemented by an ingenious analysis optimization procedure that allowed for extending the reach of this analysis by hundreds of GeV in mass of these hypothetical new particles. Lastly, the combination of both deep, thoughtful physics analysis with the development of high-speed electronics for identifying and selecting these same objects is not only unique, but also revolutionary. The Global Feature Extraction system that the author played a critical role in bringing to fruition represents the first dedicated hardware device for selecting these Lorentz-boosted hadronic systems in real-time using state-of-the-art processing chips and embedded systems.

Spin Correlations In Tt Events From Pp Collisions

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