GE: PROBING THE STANDARD MODEL LIMITS AT THE ATLAS EXPERIMENT: HIGHLIGHTS OF W AND Z BOSONS PRECISION MEASUREMENTS 
 ELENCO COMPLETO 

DATA: 15-06-2018

SEZIONE DI GENOVA
(E. Santopinto) Seminario di Fenomenologia delle particelle elementari, nella prima metą divulgativo. Evento congiunto con l'Universita' di Genova. Speaker: Federico Sforza (Tufts University) The measurement of Standard Model observables is a key element for the determination of the properties of Nature and, at the same time, a fundamental tool to improve future experimental searches and theoretical studies. In this respect, events with a leptonically decay massive vector bosons, W or Z, provide excellent probes of QCD and Electroweak dynamics and they are abundantly produced in proton-proton collision at the LHC. This seminar will present highlights of the precision analyses involving a W or a Z boson in the final state at the ATLAS experiment. Relevant examples that will be discussed are the measurements of W and Z boson inclusive and differential cross sections, able to strongly constraint the proton structure and to challenge state-of-the-art QCD predictions, and the precise determination of the W-boson mass, reaching an uncertainty of about 20 MeV.


 SITO COLLEGATO 
https://agenda.infn.it/conferenceDisplay.py?confId=15963

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