ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at root s=7 TeV

G. Aad; T. Abjyan; B. Abbott; Mogens Dam; Jørgen Beck Hansen; Jørn Dines Hansen; Peter Henrik Hansen; John Renner Hansen; Esben Bryndt Klinkby; Nele Maria Philomena Boelaert; Morten Dam Jørgensen; Simon Johann Franz Heisterkamp; Ask Emil Løvschall-Jensen; Sascha Mehlhase; Björn Stefan Nilsson; Troels Christian Petersen; Stefania Xella

doi:10.1007/JHEP01(2013)029

ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at root s=7 TeV

G. Aad, T. Abjyan, B. Abbott, Mogens Dam, Jørgen Beck Hansen, Jørn Dines Hansen, Peter Henrik Hansen, John Renner Hansen, Esben Bryndt Klinkby, Nele Maria Philomena Boelaert, Morten Dam Jørgensen, Simon Johann Franz Heisterkamp, Ask Emil Løvschall-Jensen, Sascha Mehlhase, Björn Stefan Nilsson, Troels Christian Petersen, Stefania Xella

Experimental Particle Physics

86 Citations (Scopus)

Abstract

Mass and angular distributions of dijets produced in LHC proton-proton collisions at a centre-of-mass energy √s = 7TeV have been studied with the ATLAS detector using the full 2011 data set with an integrated luminosity of 4.8 fb^-1. Dijet masses up to ~ 4.0TeV have been probed. No resonance-like features have been observed in the dijet mass spectrum, and all angular distributions are consistent with the predictions of QCD. Exclusion limits on six hypotheses of new phenomena have been set at 95% CL in terms of mass or energy scale, as appropriate. These hypotheses include excited quarks below 2.83 TeV, colour octet scalars below 1.86TeV, heavy W bosons below 1.68 TeV, string resonances below 3.61 TeV, quantum black holes with six extra space-time dimensions for quantum gravity scales below 4.11 TeV, and quark contact interactions below a compositeness scale of 7.6 TeV in a destructive interference scenario.

Original language	English
Article number	029
Journal	Journal of High Energy Physics (Online)
Volume	2013
Issue number	1
ISSN	1126-6708
DOIs	https://doi.org/10.1007/JHEP01(2013)029
Publication status	Published - 1 Jan 2013

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Aad, G., Abjyan, T., Abbott, B., Dam, M., Hansen, J. B., Hansen, J. D., Hansen, P. H., Hansen, J. R., Klinkby, E. B., Boelaert, N. M. P., Jørgensen, M. D., Heisterkamp, S. J. F., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, T. C., & Xella, S. (2013). ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at root s=7 TeV. Journal of High Energy Physics (Online), 2013(1), [029]. https://doi.org/10.1007/JHEP01(2013)029

Aad, G, Abjyan, T, Abbott, B, Dam, M , Hansen, JB , Hansen, JD , Hansen, PH , Hansen, JR, Klinkby, EB, Boelaert, NMP, Jørgensen, MD, Heisterkamp, SJF, Løvschall-Jensen, AE, Mehlhase, S, Nilsson, BS, Petersen, TC & Xella, S 2013, 'ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at root s=7 TeV', Journal of High Energy Physics (Online), vol. 2013, no. 1, 029. https://doi.org/10.1007/JHEP01(2013)029

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title = "ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at root s=7 TeV",

abstract = "Mass and angular distributions of dijets produced in LHC proton-proton collisions at a centre-of-mass energy √s = 7TeV have been studied with the ATLAS detector using the full 2011 data set with an integrated luminosity of 4.8 fb-1. Dijet masses up to ~ 4.0TeV have been probed. No resonance-like features have been observed in the dijet mass spectrum, and all angular distributions are consistent with the predictions of QCD. Exclusion limits on six hypotheses of new phenomena have been set at 95% CL in terms of mass or energy scale, as appropriate. These hypotheses include excited quarks below 2.83 TeV, colour octet scalars below 1.86TeV, heavy W bosons below 1.68 TeV, string resonances below 3.61 TeV, quantum black holes with six extra space-time dimensions for quantum gravity scales below 4.11 TeV, and quark contact interactions below a compositeness scale of 7.6 TeV in a destructive interference scenario.",

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AU - Aad, G.

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AU - Dam, Mogens

AU - Hansen, Jørgen Beck

AU - Hansen, Jørn Dines

AU - Hansen, Peter Henrik

AU - Hansen, John Renner

AU - Klinkby, Esben Bryndt

AU - Boelaert, Nele Maria Philomena

AU - Jørgensen, Morten Dam

AU - Heisterkamp, Simon Johann Franz

AU - Løvschall-Jensen, Ask Emil

AU - Mehlhase, Sascha

AU - Nilsson, Björn Stefan

AU - Petersen, Troels Christian

AU - Xella, Stefania

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N2 - Mass and angular distributions of dijets produced in LHC proton-proton collisions at a centre-of-mass energy √s = 7TeV have been studied with the ATLAS detector using the full 2011 data set with an integrated luminosity of 4.8 fb-1. Dijet masses up to ~ 4.0TeV have been probed. No resonance-like features have been observed in the dijet mass spectrum, and all angular distributions are consistent with the predictions of QCD. Exclusion limits on six hypotheses of new phenomena have been set at 95% CL in terms of mass or energy scale, as appropriate. These hypotheses include excited quarks below 2.83 TeV, colour octet scalars below 1.86TeV, heavy W bosons below 1.68 TeV, string resonances below 3.61 TeV, quantum black holes with six extra space-time dimensions for quantum gravity scales below 4.11 TeV, and quark contact interactions below a compositeness scale of 7.6 TeV in a destructive interference scenario.

AB - Mass and angular distributions of dijets produced in LHC proton-proton collisions at a centre-of-mass energy √s = 7TeV have been studied with the ATLAS detector using the full 2011 data set with an integrated luminosity of 4.8 fb-1. Dijet masses up to ~ 4.0TeV have been probed. No resonance-like features have been observed in the dijet mass spectrum, and all angular distributions are consistent with the predictions of QCD. Exclusion limits on six hypotheses of new phenomena have been set at 95% CL in terms of mass or energy scale, as appropriate. These hypotheses include excited quarks below 2.83 TeV, colour octet scalars below 1.86TeV, heavy W bosons below 1.68 TeV, string resonances below 3.61 TeV, quantum black holes with six extra space-time dimensions for quantum gravity scales below 4.11 TeV, and quark contact interactions below a compositeness scale of 7.6 TeV in a destructive interference scenario.

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DO - 10.1007/JHEP01(2013)029

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SN - 1126-6708

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JO - Journal of High Energy Physics (Online)

JF - Journal of High Energy Physics (Online)

IS - 1

M1 - 029

ER -

ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at root s=7 TeV

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