Measurement of the Top-quark Mass in All-hadronic Decays in P Anti-p Collisions at CDF II. PDF Download

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Measurement of the Top-quark Mass in All-hadronic Decays in P Anti-p Collisions at CDF II.

Measurement of the Top-quark Mass in All-hadronic Decays in P Anti-p Collisions at CDF II. PDF Author:
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Languages : en
Pages : 7

Book Description
We present a measurement of the top-quark mass, M{sub tpo}, in the all-hadronic decay channel t{bar t} --> WbW−{bar b} --> q1{bar q}2bq3{bar q}4{bar b}. The analysis is performed using 310 pb−1 of (square root)s = 1.96 TeV p{bar p} collisions collected with the CDF II detector using a multi-jet trigger. The mass measurement is based on an event-by-event likelihood which depends on both the sample purity and the value of the top-quark mass, using 90 possible jet-to-parton assignments in the six-jet final state. The joint likelihood of 290 selected events yields a value of M{sub top} = 177.1 ± 4.9(stat.) ± 4.7(syst.) GeV/c2.
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