A new observable to measure the top quark mass at hadron colliders

被引：1
|
作者：
Alioli, Simone [2 ,3 ]
Fuster, Juan [1 ]
Irles, Adrian [1 ]
Moch, Sven [3 ]
Uwer, Peter [4 ]
Vos, Marcel [1 ]
机构：
[1] Univ Valencia, Ctr Mixte, CSIC, IFIC, E-46071 Valencia, Spain
[2] Univ Calif Berkeley, Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[3] DESY, D-15738 Zeuthen, Germany
[4] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany
来源：
PRAMANA-JOURNAL OF PHYSICS | 2012年 / 79卷 / 04期
关键词：
Top quark; mass; pole mass; NLO; cross-section; t(t)over-bar plus jet; POWHEG; perturbative QCD;
D O I：
10.1007/s12043-012-0374-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The t (t) over bar + jet + X differential cross-section in proton-proton collisions at 7 TeV centre of mass energy is investigated with respect to its sensitivity to the top quark mass. The analysis includes higher order QCD corrections at NLO. The impact of the renormalization scale (mu(R)), the factorization (mu(F)) scale and of the choice of different proton's PDF (parton distribution function) has been evaluated. In this study it is concluded that differential jet rates offer a promising option for alternative mass measurements of the top quark, with theoretical uncertainties below 1 GeV.
引用
收藏
页码：809 / 812
页数：4
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