LHC probes the hidden sector

被引：147

作者：

Jaeckel, Joerg ^{[1
]}

Jankowiak, Martin ^{[1
]}

Spannowsky, Michael ^{[2
]}

机构：

[1] Heidelberg Univ, Inst Theoret Phys, Heidelberg, Germany

[2] Univ Durham, Inst Particle Phys Phenomenol, Durham DH1 3LE, England

来源：

PHYSICS OF THE DARK UNIVERSE | 2013年 / 2卷 / 03期

关键词：

Hidden sectors; Kinetic mixing; Axion-like particles; LHC; HIGGS-BOSON PRODUCTION; PP COLLISIONS; SEARCH; LIGHT; RESONANCES; U(1)S; TEV;

D O I：

10.1016/j.dark.2013.06.001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this note we establish LHC limits on a variety of benchmark models for hidden sector physics using 2011 and 2012 data. First, we consider a "hidden'' U(1) gauge boson under which all Standard Model particles are uncharged at tree-level and which interacts with the visible sector either via kinetic mixing or higher dimensional operators. Second, we constrain scalar and pseudo-scalar particles interacting with the Standard Model via dimension five operators and Yukawa interactions, in particular including so-called axion-like particles. In both cases we consider several different final states, including photons, electrons, muons and taus, establishing new constraints for a range of GeV to TeV scale masses. Finally, we also comment on particles with electric charges smaller than e that arise from hidden sector matter. (C) 2013 The Authors. Published by Elsevier B.V.

引用

页码：111 / 117

页数：7

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