ÚTEFČVUT Ústav technické a experimentální fyziky ČVUT v PrazeInstitute of Experimental and Applied Physics, CTU in Prague

A search for prompt lepton-jets in pp collisions at root s=7 TeV with the ATLAS detector

NázevTitle
A search for prompt lepton-jets in pp collisions at root s=7 TeV with the ATLAS detectorA search for prompt lepton-jets in pp collisions at root s=7 TeV with the ATLAS detector
Druh výsledkuResult type
Článek v časopiseJournal article
AutořiAuthors
G. Aad, T. Abajyan, B. Abbott, J. Abdallah, S. Abdel Khalek, K. Augsten, P. Gallus, T. Holý, J. Jakůbek, Z. Kohout, V. Král, F. Krejčí, S. Pospíšil, V. Šimák, T. Slavíček, K. Smolek, J. Sodomka, M. Solar, J. Šolc, B. Sopko, V. Sopko, I. Štekl, D. Tureček, V. Vacek, M. Vlasák, P. Vokáč, M. Zeman
Klíčová slovaKeywords
atlas, limit, light boson, supersymmetry, Hidden Valley
ExperimentCollaboration
ATLAS
DOIDOI
10.1016/j.physletb.2013.01.034
Časopis / citaceJournal / citation
Physics Letters B 719(4-5), 299-317 (2013) · ISSN 0370-2693
RokYear
2013
JazykLanguage
eng
ZáznamyRecords
ProjektProject
Spolupráce ČR s CERNCollaboration of the Czech Republic with CERN; Matematické, počítačové a experimentální metody ve fyziceMathematical, Computer and Experimental Methods in Physics; Matematické, počítačové a experimentální metody ve fyziceMathematical, Computer and Experimental Methods in Physics; Mezinárodní experiment ATLAS-CERNInternational experiment ATLAS-CERN
CitovánoCited by
52 (INSPIRE-HEP)
2013: 102014: 82015: 92016: 92017: 42018: 02019: 22020: 02021: 02022: 42023: 32024: 22025: 02026: 1
Plný text (open access)Full text (open access)
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-198496
Citace ke staženíDownload citation
TXT · BibTeX

AbstraktAbstract

We present a search for a light (mass < 2 GeV) boson predicted by Hidden Valley supersymmetric models that decays into a final state consisting of collimated muons or electrons, denoted "lepton-jets". The analysis uses 5 fb(-1) of root s = 7 TeV proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider to search for the following signatures: single lepton-jets with at least four muons; pairs of lepton-jets, each with two or more muons; and pairs of lepton-jets with two or more electrons. This study finds no statistically significant deviation from the Standard Model prediction and places 95% confidence-level exclusion limits on the production cross section times branching ratio of light bosons for several parameter sets of a Hidden Valley model.

We present a search for a light (mass < 2 GeV) boson predicted by Hidden Valley supersymmetric models that decays into a final state consisting of collimated muons or electrons, denoted "lepton-jets". The analysis uses 5 fb(-1) of root s = 7 TeV proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider to search for the following signatures: single lepton-jets with at least four muons; pairs of lepton-jets, each with two or more muons; and pairs of lepton-jets with two or more electrons. This study finds no statistically significant deviation from the Standard Model prediction and places 95% confidence-level exclusion limits on the production cross section times branching ratio of light bosons for several parameter sets of a Hidden Valley model.

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