Measurement of the top-quark mass in all-hadronic decays in p anti-p collisions at CDF II
Journal Article
·
· Phys.Rev.Lett.98:142001,2007
OSTI ID:897584
We present a measurement of the top-quark mass, M{sub tpo}, in the all-hadronic decay channel t{bar t} {yields} W{sup +}bW{sup -}{bar b} {yields} q{sub 1}{bar q}{sub 2}bq{sub 3}{bar q}{sub 4}{bar b}. The analysis is performed using 310 pb{sup -1} of {radical}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/c{sup 2}.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 897584
- Report Number(s):
- FERMILAB-PUB-06-468-E; arXiv eprint number hep-ex/0612026; TRN: US200711%%514
- Journal Information:
- Phys.Rev.Lett.98:142001,2007, Journal Name: Phys.Rev.Lett.98:142001,2007
- Country of Publication:
- United States
- Language:
- English
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