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Measurement of the top-quark mass in all-hadronic decays in p(p)over-bar collisions at CDF II

Aaltonen T.
•
Abulencia A.
•
Adelman J.
altro
Zucchelli S.
2007
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We present a measurement of the top-quark mass M(top) in the all-hadronic decay channel t (t) over bar -> W(+)bW(-)(b) over bar -> q(1)(q) over bar (2)bq(3)(q) over bar (4)(b) over bar. The analysis is performed using 310 pb(-1) of root s=1.96 TeV p (p) over bar collisions collected with the CDF II detector using a multijet 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(top)=177.1 +/- 4.9(stat)+/- 4.7(syst) GeV/c(2).
DOI
10.1103/PhysRevLett.98.142001
WOS
WOS:000245512100018
Archivio
http://hdl.handle.net/11390/884176
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-34047256587
Diritti
metadata only access
Web of Science© citazioni
31
Data di acquisizione
Mar 27, 2024
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