Misura di produzione di bosone W in associazione con jets e di produzione di WW all'esperimento LHCb

Questa tesi si occupa delle misure della produzione del bosone W in associazione con jets e della produzione di coppie di bosoni vettori WW nell'esperimento LHCb. Per entrambe le analisi, è richiesto un muone ad alta energia e almeno uno o due jets nell'accettanza di LHCb. L'analisi W+jets esegue una misura della sezione d'urto, estendendo i risultati precedenti ottenuti a un'energia del centro di massa di 8 TeV. Nella misura WW, è richiesto che un bosone W si decada in due jet e la sezione d'urto viene misurata per la prima volta nella regione in avanti studiata dall'esperimento LHCb. Vengono poi presentati studi sulle prestazioni della ricostruzione degli elettroni ad alta energia in vista dei futuri upgrade di LHCb. Infine, vengono presentate nuove tecniche per l'identificazione dei jet basate su nuovi algoritmi innovativi.

Settore FIS/01 - Fisica Sperimentale

References(151)

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