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Direct measurement of the top quark mass by the DO Collaboration

Abstract:

We determine the top quark mass mt using tt pairs produced in the DØ detector by √s=1.8TeV pp collisions in a 125 pb-1 exposure at the Fermilab Tevatron. We make a two constraint fit to m1 in tt→bW+bW- final states with one W boson decaying to qq and the other to ev or μv. Likelihood fits to the data yield mt(l+jets)= 173.3±5.6 (stat) ±5.5 (syst) GeV/c2. When this result is combined with an analysis of events in which both W bosons decay into leptons, we obtain mt= 172.1 ±5.2 (stat) ±4.9 (sys...

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Journal:
Physical Review D
Volume:
58
Issue:
5
Publication date:
1998-01-01
ISSN:
0556-2821
URN:
uuid:a5866ad9-6b58-442c-a72f-d54ac771cbfa
Source identifiers:
172356
Local pid:
pubs:172356
Language:
English

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