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Electroweak Physics at the Large Hadron Collider with the ATLAS Detector = Standard Model Measurement, Supersymmetry Searches, Excesses, and Upgrade Electronics /

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Electroweak Physics at the Large Hadron Collider with the ATLAS Detector/ by Elodie Resseguie.
Reminder of title:	Standard Model Measurement, Supersymmetry Searches, Excesses, and Upgrade Electronics /
Author:	Resseguie, Elodie.
Description:	XXIII, 322 p. 227 illus., 212 illus. in color.online resource. :
Contained By:	Springer Nature eBook
Subject:	Statistics, general. -
Online resource:	https://doi.org/10.1007/978-3-030-57016-3
ISBN:	9783030570163

Electroweak Physics at the Large Hadron Collider with the ATLAS Detector = Standard 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. - 1st ed. 2020. - XXIII, 322 p. 227 illus., 212 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

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

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

671463
Statistics, general.

LC Class. No.: QC793-793.5

Dewey Class. No.: 539.72

Electroweak Physics at the Large Hadron Collider with the ATLAS Detector = Standard Model Measurement, Supersymmetry Searches, Excesses, and Upgrade Electronics /
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