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Electroweak physics at the large had...

Resseguie, Elodie.

Electroweak physics at the large hadron collider with the ATLAS detectorstandard model measurement, supersymmetry searches, excesses, and upgrade electronics /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Electroweak physics at the large hadron collider with the ATLAS detectorby Elodie Resseguie.
Reminder of title:	standard model measurement, supersymmetry searches, excesses, and upgrade electronics /
Author:	Resseguie, Elodie.
Published:	Cham :Springer International Publishing :2020.
Description:	xxiii, 322 p. :ill., digital ;24 cm.
Contained By:	Springer Nature eBook
Subject:	Particles (Nuclear physics)
Online resource:	https://doi.org/10.1007/978-3-030-57016-3
ISBN:	9783030570163$q(electronic bk.)

Electroweak physics at the large hadron collider with the ATLAS detectorstandard model measurement, supersymmetry searches, excesses, and upgrade electronics /
Resseguie, Elodie.

Electroweak physics at the large hadron collider with the ATLAS detectorstandard model measurement, supersymmetry searches, excesses, and upgrade electronics /[electronic resource] :by Elodie Resseguie. - Cham :Springer International Publishing :2020. - xxiii, 322 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Theoretical Framework -- LHC and the ATLAS Detector -- HL-LHC Inner Detector Upgrade -- W±Z Cross-Section Measurement at ps = 13 TeV -- Searches for Electroweak SUSY: Motivation and Models -- Search for wino-bino production decaying via WZ at ps = 13 TeV.

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.

ISBN: 9783030570163$q(electronic bk.)

Standard No.: 10.1007/978-3-030-57016-3doiSubjects--Topical Terms:

204127
Particles (Nuclear physics)

LC Class. No.: QC793.2 / .R47 2020

Dewey Class. No.: 539.72

Electroweak physics at the large hadron collider with the ATLAS detectorstandard model measurement, supersymmetry searches, excesses, and upgrade electronics /
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520 $a 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.
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