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https://hdl.handle.net/1822/31757
Título: | Search for Quantum Black Hole Production in High-Invariant-Mass Lepton+Jet Final States Using pp Collisions at s√= 8 TeV and the ATLAS Detector |
Autor(es): | Onofre, A. Castro, Nuno Filipe Silva Fernandes ATLAS Collaboration |
Data: | 2014 |
Editora: | American Physical Society |
Revista: | Physical Review Letters |
Citação: | 30. Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., Abdinov, O., . . . Collaboration, A. (2014). Search for Quantum Black Hole Production in High-Invariant-Mass Lepton plus Jet Final States Using pp Collisions at root s=8 TeV and the ATLAS Detector. Physical Review Letters, 112(9). doi: 10.1103/PhysRevLett.112.091804 |
Resumo(s): | This Letter presents a search for quantum black-hole production using 20.3 fb−1 of data collected with the ATLAS detector in pp collisions at the LHC at s√=8 TeV. The quantum black holes are assumed to decay into a final state characterized by 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. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/31757 |
DOI: | 10.1103/PhysRevLett.112.091804 |
ISSN: | 0031-9007 1079-7114 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | LIP - Artigos/papers |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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1311.2006.pdf | 899,67 kB | Adobe PDF | Ver/Abrir |