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Search for stable hadronising squarks and gluinos with the ATLAS experiment at the LHC

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Search for stable hadronising squarks and gluinos with the ATLAS experiment at the LHC

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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	2014-05-26T12:11:38Z
dc.date.available	2014-05-26T12:11:38Z
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 stable hadronising squarks and gluinos with the ATLAS experiment at the LHC Physics Letters B 701 1 1 19
dc.identifier.uri	http://hdl.handle.net/10550/35450
dc.description.abstract	Hitherto unobserved long-lived massive particles with electric and/or colour charge are predicted by a range of theories which extend the Standard Model. In this Letter a search is performed at the ATLAS experiment for slow-moving charged particles produced in proton-proton collisions at 7 TeV centre-of-mass energy at the LHC, using a data-set corresponding to an integrated luminosity of 34 pb(-1). No deviations from Standard Model expectations are found. This result is interpreted in a framework of supersymmetry models in which coloured sparticles can hadronise into long-lived bound hadronic states, termed R-hadrons, and 95% CL limits are set on the production cross-sections of squarks and gluinos. The influence of R-hadron interactions in matter was studied using a number of different models, and lower mass limits for stable sbottoms and stops are found to be 294 and 309 GeV respectively. The lower mass limit for a stable gluino lies in the range from 562 to 586 GeV depending on the model assumed. Each of these constraints is the most stringent to date.
dc.relation.ispartof	Physics Letters B, 2011, vol. 701, num. 1, p. 1-19
dc.subject	Física nuclear
dc.title	Search for stable hadronising squarks and gluinos with the ATLAS experiment at the LHC
dc.type	journal article	es_ES
dc.date.updated	2014-05-26T12:11:38Z
dc.identifier.doi	10.1016/j.physletb.2011.05.010
dc.identifier.idgrec	068184
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1016/j.physletb.2011.05.010