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Search for New Physics in Dijet Mass and Angular Distributions in pp Collisions at sqrt(s) = 7 TeV Measured with the ATLAS Detector

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Search for New Physics in Dijet Mass and Angular Distributions in pp Collisions at sqrt(s) = 7 TeV Measured with the ATLAS Detector

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dc.contributor.author	ATLAS Collaboration
dc.contributor.author	Mitsou, Vasiliki
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Cabrera Urbán, Susana
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	Fiorini, Luca
dc.contributor.author	Ros Martínez, Eduardo
dc.contributor.author	Hernández Jiménez, Yesenia
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Salt Cairols, José
dc.contributor.author	González de la Hoz, Santiago
dc.contributor.author	García García, Carmen
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Villaplana Pérez, Miguel
dc.contributor.author	Lacuesta Miquel, Vicente
dc.date.accessioned	2014-05-26T12:22:48Z
dc.date.available	2014-05-26T12:22:48Z
dc.date.issued	2011
dc.identifier.citation	ATLAS Collaboration Mitsou, Vasiliki Ferrer Soria, Antonio Valls Ferrer, Juan Antonio Castillo Giménez, María Victoria Cabrera Urbán, Susana Fuster Verdú, Juan A. Fiorini, Luca Ros Martínez, Eduardo Hernández Jiménez, Yesenia Lacasta Llácer, Carlos Higón Rodríguez, Emilio Salt Cairols, José González de la Hoz, Santiago García García, Carmen Martí García, Salvador Villaplana Pérez, Miguel Lacuesta Miquel, Vicente 2011 Search for New Physics in Dijet Mass and Angular Distributions in pp Collisions at sqrt(s) = 7 TeV Measured with the ATLAS Detector New Journal of Physics 13 053044 1 45
dc.identifier.uri	http://hdl.handle.net/10550/35454
dc.description.abstract	A search for new interactions and resonances produced in LHC proton-proton (pp) collisions at a centre-of-mass energy root s = 7 TeV was performed with the ATLAS detector. Using a dataset with an integrated luminosity of 36 pb(-1), dijet mass and angular distributions were measured up to dijet masses of similar to 3.5 TeV and were found to be in good agreement with Standard Model predictions. This analysis sets limits at 95% CL on various models for new physics: an excited quark is excluded for mass between 0.60 and 2.64 TeV, an axigluon hypothesis is excluded for axigluon masses between 0.60 and 2.10 TeV and quantum black holes are excluded in models with six extra space-time dimensions for quantum gravity scales between 0.75 and 3.67 TeV. Production cross section limits as a function of dijet mass are set using a simplified Gaussian signal model to facilitate comparisons with other hypotheses. Analysis of the dijet angular distribution using a novel technique simultaneously employing the dijet mass excludes quark contact interactions with a compositeness scale 3 below 9.5 TeV.
dc.relation.ispartof	New Journal of Physics, 2011, vol. 13, num. 053044, p. 1-45
dc.subject	Física nuclear
dc.title	Search for New Physics in Dijet Mass and Angular Distributions in pp Collisions at sqrt(s) = 7 TeV Measured with the ATLAS Detector
dc.type	journal article	es_ES
dc.date.updated	2014-05-26T12:22:48Z
dc.identifier.doi	10.1088/1367-2630/13/5/053044
dc.identifier.idgrec	068189
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1088/1367-2630/13/5/053044