Top Mass Measurements from Jets and the Tevatron Top-Quark Mass

被引：78

作者：

Hoang, Andre H. ^{[1
]}

Stewart, Iain W. ^{[2
]}

机构：

[1] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany

[2] MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2008年 / 185卷

关键词：

D O I：

10.1016/j.nuclphysbps.2008.10.028

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

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 (t) over bar 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 (MS) over bar mass.

引用

页码：220 / 226

页数：7

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