Search for Scalar Charm Quark Pair Production in pp Collisions at s =8 TeV with the ATLAS Detector

ATLAS Collaboration

Research output: Contribution to journalArticlepeer-review

Abstract

The results of a dedicated search for pair production of scalar partners of charm quarks are reported. The search is based on an integrated luminosity of 20.3 fb-1 of pp collisions at s=8 TeV recorded with the ATLAS detector at the LHC. The search is performed using events with large missing transverse momentum and at least two jets, where the two leading jets are each tagged as originating from c quarks. Events containing isolated electrons or muons are vetoed. In an R-parity-conserving minimal supersymmetric scenario in which a single scalar-charm state is kinematically accessible, and where it decays exclusively into a charm quark and a neutralino, 95% confidence-level upper limits are obtained in the scalar-charm-neutralino mass plane such that, for neutralino masses below 200 GeV, scalar-charm masses up to 490 GeV are excluded.

Original languageEnglish
Article number161801
JournalPhysical Review Letters
Volume114
Issue number16
DOIs
StatePublished - 2015

Funding

FundersFunder number
Not addedST/N000420/1
National Science Foundation1119200
National Science Foundation
Seventh Framework Programme246806
Seventh Framework Programme
Science and Technology Facilities CouncilPP/E000347/1, ST/L001195/1, ST/J00474X/1, ST/M004821/1, ST/M002306/1, ST/J004928/1, ST/K001361/1, ST/L003414/1, GRIDPP, ST/K001310/1, ST/L00352X/1, ST/M503575/1, ST/J501074/1, ST/L001144/1, ST/L003112/1, ST/J005525/1, ST/M001504/1, ST/K001248/1, ST/L003325/1, ST/M000761/1, ST/I000178/1, ST/G50228X/1, ST/H001093/2, ST/M001431/1, ST/K001418/1, ST/H001093/1, ST/K001302/1, ST/K001388/1, ST/N000463/1, ST/K001329/1, ST/K50208X/1, ST/L001179/1, ST/I005803/1, ST/J004944/1, ST/M001407/1, ST/I006080/1, ST/L006480/1, ST/I000186/1, ST/M006980/1, ST/G502320/1, ATLAS, ST/M001733/1, PP/D002915/1, ST/M000664/1, ST/H00100X/1, ST/L000970/1, ST/K00073X/1, ST/H00100X/2, ST/K000705/1, ST/L000326/1, PP/E003087/1, ST/N000307/1, PP/E000355/1, ST/K00140X/1, ST/M001474/1, ST/I00372X/1, PP/E002846/1, ST/K003658/1, ST/J005487/1, ST/I006056/1, ST/M003213/1, PP/E000444/1, ST/K00137X/1, ST/J005576/1
Science and Technology Facilities Council
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung149246
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

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