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

Search for Production of Resonant States in the Photon-Jet Mass Distribution Using pp Collisions at root s=7 TeV Collected by the ATLAS Detector

NázevTitle
Search for Production of Resonant States in the Photon-Jet Mass Distribution Using pp Collisions at root s=7 TeV Collected by the ATLAS DetectorSearch for Production of Resonant States in the Photon-Jet Mass Distribution Using pp Collisions at root s=7 TeV Collected by the ATLAS Detector
Druh výsledkuResult type
Článek v časopiseJournal article
AutořiAuthors
G. Aad, B. Abbott, J. Abdallah, A. A. Abdelalim, A. Abdesselam, K. Augsten, T. Holý, T. Horažďovský, Z. Hubáček, 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
Klíčová slovaKeywords
photon, jet, resonant state, limit
ExperimentCollaboration
ATLAS
DOIDOI
10.1103/PhysRevLett.108.211802
Časopis / citaceJournal / citation
Physical Review Letters 108(21), 211802 (2012) · ISSN 0031-9007
RokYear
2012
JazykLanguage
eng
ZáznamyRecords
ProjektProject
Centrum částicové fyzikyCenter for Particle Physics; Matematické, počítačové a experimentální metody ve fyziceMathematical, Computer and Experimental Methods in Physics; Fundamentální experimenty ve fyzice mikrosvětaFundamental Experiments in Physics of Microworld; Mezinárodní experiment ATLAS-CERNInternational Experiment ATLAS-CERN; Mezinárodní experiment ATLAS-CERNInternational Experiment ATLAS-CERN; Matematické, počítačové a experimentální metody ve fyziceMathematical, Computer and Experimental Methods in Physics
CitovánoCited by
32 (INSPIRE-HEP)
2011: 12012: 122013: 62014: 12015: 42016: 22017: 12018: 22019: 12020: 02021: 02022: 02023: 02024: 12025: 1
Plný text (open access)Full text (open access)
http://link.aps.org/pdf/10.1103/PhysRevLett.108.211802
Citace ke staženíDownload citation
TXT · BibTeX

AbstraktAbstract

This Letter describes a model-independent search for the production of new resonant states in photon + jet events in 2.11 fb(-1) of proton-proton collisions at root s = 7 TeV. We compare the photon + jet mass distribution to a background model derived from data and find consistency with the background-only hypothesis. Given the lack of evidence for a signal, we set 95% credibility level limits on generic Gaussian-shaped signals and on a benchmark excited-quark (q*) model, excluding 2 TeV Gaussian resonances with cross section times branching fraction times acceptance times efficiency near 5 fb and excluding q* masses below 2.46 TeV, respectively.

This Letter describes a model-independent search for the production of new resonant states in photon + jet events in 2.11 fb(-1) of proton-proton collisions at root s = 7 TeV. We compare the photon + jet mass distribution to a background model derived from data and find consistency with the background-only hypothesis. Given the lack of evidence for a signal, we set 95% credibility level limits on generic Gaussian-shaped signals and on a benchmark excited-quark (q*) model, excluding 2 TeV Gaussian resonances with cross section times branching fraction times acceptance times efficiency near 5 fb and excluding q* masses below 2.46 TeV, respectively.

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