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Search for Supersymmetry in Final States with Two Same Sign Leptons Or Three Leptons and Jets with the ATLAS Detector at the LHC

2017 Large Hadron Collider (France and Switzerland)
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Release : 2017
Genre : Large Hadron Collider (France and Switzerland)
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Search for Supersymmetry in Final States with Two Same Sign Leptons Or Three Leptons and Jets with the ATLAS Detector at the LHC by : Othmane Rifki

Download or read book Search for Supersymmetry in Final States with Two Same Sign Leptons Or Three Leptons and Jets with the ATLAS Detector at the LHC written by Othmane Rifki. This book was released on 2017. Available in PDF, EPUB and Kindle. Book excerpt:

The Search for Supersymmetry in Hadronic Final States Using Boosted Object Reconstruction

2020-03-13 Science
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Release : 2020-03-13
Genre : Science
Kind : eBook
Book Rating : 483/5 ( reviews)

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Book Synopsis The Search for Supersymmetry in Hadronic Final States Using Boosted Object Reconstruction by : Giordon Stark

Download or read book The Search for Supersymmetry in Hadronic Final States Using Boosted Object Reconstruction written by Giordon Stark. This book was released on 2020-03-13. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Electroweak Physics at the Large Hadron Collider with the ATLAS Detector

2020-11-03 Science
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Release : 2020-11-03
Genre : Science
Kind : eBook
Book Rating : 169/5 ( reviews)

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Book Synopsis Electroweak Physics at the Large Hadron Collider with the ATLAS Detector by : Elodie Resseguie

Download or read book Electroweak Physics at the Large Hadron Collider with the ATLAS Detector written by Elodie Resseguie. This book was released on 2020-11-03. Available in PDF, EPUB and Kindle. Book excerpt: This thesis discusses searches for electroweakly produced supersymmetric partners of the gauge and the Higgs bosons (gauginos and higgsinos) decaying to multiple leptons, using pp collisions at sqrt(s) = 13 TeV. The thesis presents an in-depth study of multiple searches, as well as the first 13 TeV cross section measurement for the dominant background in these searches, WZ production. Two searches were performed using 36.1/fb of data: the gaugino search, which makes use of a novel kinematic variable, and the higgsino search, which produced the first higgsino limits at the LHC. A search using 139/fb of data makes use of a new technique developed in this thesis to cross check an excess of data above the background expectation in a search using a Recursive Jigsaw Reconstruction technique. None of the searches showed a significant excess of data, and limits were expanded with respect to previous results. These searches will benefit from the addition of luminosity during HL-LHC; however, the current detector will not be able to withstand the increase in radiation. Electronics for the detector upgrade are tested and irradiated to ensure their performance.

A Search for Supersymmetry in Final States with Two Same-flavor Opposite-sign Leptons, Jets and Missing Transverse Momentum with the ATLAS Detector

2017
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Release : 2017
Genre :
Kind : eBook
Book Rating : 508/5 ( reviews)

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Book Synopsis A Search for Supersymmetry in Final States with Two Same-flavor Opposite-sign Leptons, Jets and Missing Transverse Momentum with the ATLAS Detector by : Giulia Ripellino

Download or read book A Search for Supersymmetry in Final States with Two Same-flavor Opposite-sign Leptons, Jets and Missing Transverse Momentum with the ATLAS Detector written by Giulia Ripellino. This book was released on 2017. Available in PDF, EPUB and Kindle. Book excerpt:

Supersymmetric Beasts and Where to Find Them

2022-03-05 Science
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Release : 2022-03-05
Genre : Science
Kind : eBook
Book Rating : 470/5 ( reviews)

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Book Synopsis Supersymmetric Beasts and Where to Find Them by : Marco Valente

Download or read book Supersymmetric Beasts and Where to Find Them written by Marco Valente. This book was released on 2022-03-05. Available in PDF, EPUB and Kindle. Book excerpt: After an extensive overview of the Standard Model and of the theory and phenomenology of Supersymmetry, this book describes the recent development of the ATLAS Particle Flow algorithm, a hadronic reconstruction technique aiming at enhancing the sensitivity of the experiment to new physics through the combination of the information from different ATLAS sub-detectors. The first ever ATLAS strong SUSY search exploiting this technique is also described, reporting the results and exclusion limits obtained using the complete proton-proton collision dataset recorded by the ATLAS experiment during the second Run of the Large Hadron Collider (LHC).

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