Top Mass Measurements from Jets and the Tevatron Top-Quark Mass
arXiv:0808.0222 · doi:10.1016/j.nuclphysbps.2008.10.028
Abstract
Theoretical issues are discussed for the measurement of the top-mass using jets, including perturbative and non-perturbative effects that relate experimental observables to the Lagrangian mass, and appropriate choices for mass schemes. Full account for these issues is given for e+e--> t-tbar using a factorization theorem for event shapes for massive quarks. Implications for the Tevatron top-mass measurement are discussed. A mass-scheme, the "MSR-mass", is introduced which allows for a precise description of observables sensitive to scales R << m, but at the same time does not introduce perturbative matching uncertainties in conversion to the MSbar mass.
arXiv comment7 pages, proceedings for the International Workshop on Top Quark Physics, and the 2nd Workshop on Theory, Phenomenology and Experiment in Heavy Flavor Physics, 2008. v2: reference added, language in section 5 improved
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