Searching for a heavy Higgs boson via the H→lvjj decay mode at the CERN LHC

被引：21

作者：

Iordanidis, K ^{[1
]}

Zeppenfeld, D ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

来源：

PHYSICAL REVIEW D | 1998年 / 57卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.57.3072

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The discovery of a heavy Higgs boson with a mass up to m(H) = 1 TeV at the CERN LHC is possible in the H-->W+W--->lvjj decay mode. The weak boson scattering signal and backgrounds from t (t) over bar jj and from W+jets production are analyzed with parton level Monte Carlo programs which are built on full tree level amplitudes for all subprocesses. The use of double jet tagging and the reconstruction of the W invariant mass reduce the combined backgrounds to the same level as the Higgs signal. A central mini-jet veto, which distinguishes the different gluon radiation patterns of the hard processes, further improves the signal to background ratio to about 2.5:1, with a signal cross section of 1 fb. The jet energy asymmetry of the W-->jj decay will give a clear signature of the longitudinal polarization of the Ws in the final event sample.

引用

页码：3072 / 3083

页数：12

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