Search for Quantum Black Hole Production in High-Invariant-Mass Lepton $+$ Jet Final States Using $pp$ Collisions at $\sqrt{s}=$ 8 TeV and the ATLAS Detector

Dataset · Fri Nov 01 04:00:00 EDT 2013

DOI:https://doi.org/10.17182/hepdata.62447· OSTI ID:1893154

Aad, Georges ^[1]

---

1. OSTI

CERN-LHC. Search for quantum black-hole production using 20.3 inverse fb of data collected in 2012 with the ATLAS detector in pp collisions at the LHC at sqrt(s) = 8 TeV. The quantum black holes are assumed to decay into a lepton (electron or muon) and a jet. In either channel, no event with a lepton-jet invariant mass of 3.5 TeV or more is observed, consistent with the expected background. Limits are set on the product of cross sections and branching fractions for the lepton+jet final states of quantum black holes produced in a search region for invariant masses above 1 TeV. The combined 95% confidence level upper limit on this product for quantum black holes with threshold mass above 3.5 TeV is 0.18 fb. This limit constrains the threshold quantum black-hole mass to be above 5.3 TeV in the model considered.

• Research Organization: USDOE Office of Science (SC) (United States)
• Sponsoring Organization: USDOE Office of Science (SC), High Energy Physics (HEP)
• Contributing Organization: The ATLAS collaboration; The ATLAS collaboration
• OSTI ID: 1893154
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS