Search for dark matter in events with a Z boson and missing transverse momentum in pp collisions at s =8TeV with the ATLAS detector

ATLAS Collaboration

研究成果: Article同行評審

100 引文 斯高帕斯(Scopus)

摘要

A search is presented for production of dark-matter particles recoiling against a leptonically decaying Z boson in 20.3fb-1 of pp collisions at s=8TeV with the ATLAS detector at the Large Hadron Collider. Events with large missing transverse momentum and two oppositely charged electrons or muons consistent with the decay of a Z boson are analyzed. No excess above the Standard Model prediction is observed. Limits are set on the mass scale of the contact interaction as a function of the dark-matter particle mass using an effective field theory description of the interaction of dark matter with quarks or with Z bosons. Limits are also set on the coupling and mediator mass of a model in which the interaction is mediated by a scalar particle.

原文English
文章編號012004
期刊Physical Review D - Particles, Fields, Gravitation and Cosmology
90
發行號1
DOIs
出版狀態Published - 2014 七月 10

All Science Journal Classification (ASJC) codes

  • 核能與高能物理
  • 物理與天文學(雜項)

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