Measurement of the Top Quark Mass in the All-Hadronic Mode at CDF. PDF Download

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Measurement of the Top Quark Mass in the All-Hadronic Mode at CDF.

Measurement of the Top Quark Mass in the All-Hadronic Mode at CDF. PDF Author:
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Languages : en
Pages : 8

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Book Description
A measurement of the top quark mass (M{sub top}) in the all-hadronic decay channel is presented. It uses 5.8 fb−1 of p{bar p} data collected with the CDF II detector at the Fermilab Tevatron Collider. Events with six to eight jets are selected by a neural network algorithm and by the requirement that at least one of the jets is tagged as a b quark jet. The measurement is performed with a likelihood fit technique, which simultaneously determines M{sub top} and the jet energy scale (JES) calibration. The fit yields a value of M{sub top} = 172.5 ± 1.4 (stat) ± 1.0 (JES) ± 1.1 (syst) GeV/c2.