The top cross section in hadronic collisions

被引：130

作者：

Catani, S

Mangano, ML

Nason, P

Trentadue, L

机构：

[1] UNIV FLORENCE,FLORENCE,ITALY

[2] CERN,DIV TH,CH-1211 GENEVA,SWITZERLAND

[3] UNIV PARMA,I-43100 PARMA,ITALY

[4] IST NAZL FIS NUCL,PARMA,ITALY

来源：

PHYSICS LETTERS B | 1996年 / 378卷 / 1-4期

关键词：

D O I：

10.1016/0370-2693(96)00387-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We reexamine the top quark production cross section at the Tevatron and LHC, in the light of recent progress on the resummation of logarithmic soft gluon corrections, We find that resummation effects are much smaller than previously thought. We also compute Coulombic threshold effects, and find them negligible. We update the discussion of uncertainties due to scale dependence, the value of the strong coupling constant, and the parton density parametrization. Our current best estimate of the top production cross section at the Tevatron and its error is sigma(m(t) = 175 GeV) = 4.75(-0.62)(+0.73).

引用

页码：329 / 336

页数：8

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