1.

Record Nr.

UNINA9910300375803321

Autore

Backes Moritz

Titolo

Measurement of the Inclusive Electron Cross-Section from Heavy-Flavour Decays and Search for Compressed Supersymmetric Scenarios with the ATLAS Experiment / / by Moritz Backes

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Springer, , 2014

ISBN

3-319-07136-X

Edizione

[1st ed. 2014.]

Descrizione fisica

1 online resource (268 p.)

Collana

Springer Theses, Recognizing Outstanding Ph.D. Research, , 2190-5053

Disciplina

539.721

Soggetti

Elementary particles (Physics)

Quantum field theory

String theory

Elementary Particles, Quantum Field Theory

Quantum Field Theories, String Theory

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

"Doctoral Thesis accepted by University of Geneva, Switzerland"--T.p.

Nota di contenuto

Theoretical Background -- Experimental Setup -- Data Acquisition and Data Processing -- Measurement of the Inclusive Electron Cross-Section from Heavy-Flavour Decays with 2010 Data -- Search for Compressed Supersymmetry with 2011 Data.

Sommario/riassunto

The first part of this thesis presents the measurement of the inclusive cross-section for electron production from heavy-flavour decays in the electron transverse momentum range 7 GeV < pT < 26 GeV using 1.3 pb−1 of 7 TeV proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider in 2010. The measured value of the cross-section within the fiducial range of the analysis is σ_e^HF = 0.946 ± 0.020(stat.) ± 0.146(syst.) ± 0.032(lumi.) μb. Theoretical predictions are in good agreement with the measurement. The second part of this thesis is a search for compressed supersymmetric scenarios in events with missing transverse energy, jets, and one isolated low-pT lepton in the final state using 4.7 fb-1 of ATLAS data collected at 7 TeV center-of-mass energy in 2011. No significant excess of events over the Standard Model expectation is observed and exclusion limits are



derived for a number of supersymmetric models.