期刊
PHYSICAL REVIEW D
卷 87, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.115014
关键词
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资金
- FAPERJ
- CNPq
The Large Hadron Collider will restart with higher energy and luminosity in 2015. This achievement opens the possibility of discovering new phenomena hardly described by the Standard Model, which is based on the following two neutral gauge bosons: the photon and the Z. This perspective imposes a deep and systematic study of models that predicts the existence of new neutral gauge bosons. One such model is based on the gauge group SUd(3)(C) X SU(3)(L) X U(1)(N), called the 3-3-1 model for short. In this paper we perform a study with Z ' predicted in two versions of the 3-3-1 model and compare the signature of this resonance in each model version. By considering the present and future LHC energy regimes, we obtain some distributions and the total cross section for the process p + p -> l(+) + l(-) + X. Additionally, we derive lower bounds on Z ' mass from the latest LHC results. Finally we analyze the LHC potential for discovering this neutral gauge boson at 14 TeV center-of-mass energy.
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