Cargando…
Search for high-mass dimuon resonances in the ATLAS experiment at sqrt{s} = 7 TeV
We present a search for high-mass mu+mu- resonances in pp collisions at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment in 2011. No statistically significant excess above the Standard Model expectation is observed in a dataset corresponding to an integrated luminosity of 1.21 fb-1....
Autor principal: | |
---|---|
Lenguaje: | eng |
Publicado: |
2011
|
Materias: | |
Acceso en línea: | http://cds.cern.ch/record/1395507 |
_version_ | 1780923515481882624 |
---|---|
author | Viel, S |
author_facet | Viel, S |
author_sort | Viel, S |
collection | CERN |
description | We present a search for high-mass mu+mu- resonances in pp collisions at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment in 2011. No statistically significant excess above the Standard Model expectation is observed in a dataset corresponding to an integrated luminosity of 1.21 fb-1. Consequently, upper limits are set on the cross-section times branching ratio of resonances decaying to muon pairs as a function of the resonance mass. In particular, a Sequential Standard Model Z' is excluded for masses below 1.61 TeV, and a Randall-Sundrum Kaluza-Klein graviton with coupling k/M_{Pl} = 0.1 is excluded for masses below 1.45 TeV, at the 95% C.L. Combined limits with the electron channel reach 1.83 TeV and 1.63 TeV respectively. |
id | cern-1395507 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2011 |
record_format | invenio |
spelling | cern-13955072019-09-30T06:29:59Zhttp://cds.cern.ch/record/1395507engViel, SSearch for high-mass dimuon resonances in the ATLAS experiment at sqrt{s} = 7 TeVDetectors and Experimental TechniquesWe present a search for high-mass mu+mu- resonances in pp collisions at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment in 2011. No statistically significant excess above the Standard Model expectation is observed in a dataset corresponding to an integrated luminosity of 1.21 fb-1. Consequently, upper limits are set on the cross-section times branching ratio of resonances decaying to muon pairs as a function of the resonance mass. In particular, a Sequential Standard Model Z' is excluded for masses below 1.61 TeV, and a Randall-Sundrum Kaluza-Klein graviton with coupling k/M_{Pl} = 0.1 is excluded for masses below 1.45 TeV, at the 95% C.L. Combined limits with the electron channel reach 1.83 TeV and 1.63 TeV respectively.ATL-PHYS-PROC-2011-224oai:cds.cern.ch:13955072011-11-03 |
spellingShingle | Detectors and Experimental Techniques Viel, S Search for high-mass dimuon resonances in the ATLAS experiment at sqrt{s} = 7 TeV |
title | Search for high-mass dimuon resonances in the ATLAS experiment at sqrt{s} = 7 TeV |
title_full | Search for high-mass dimuon resonances in the ATLAS experiment at sqrt{s} = 7 TeV |
title_fullStr | Search for high-mass dimuon resonances in the ATLAS experiment at sqrt{s} = 7 TeV |
title_full_unstemmed | Search for high-mass dimuon resonances in the ATLAS experiment at sqrt{s} = 7 TeV |
title_short | Search for high-mass dimuon resonances in the ATLAS experiment at sqrt{s} = 7 TeV |
title_sort | search for high-mass dimuon resonances in the atlas experiment at sqrt{s} = 7 tev |
topic | Detectors and Experimental Techniques |
url | http://cds.cern.ch/record/1395507 |
work_keys_str_mv | AT viels searchforhighmassdimuonresonancesintheatlasexperimentatsqrts7tev |