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Search for displaced vertices arising from decays of new heavy particles in 7 TeV pp collisions at ATLAS
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
Univ Savoie, Annecy Le Vieux, France.
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2012 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 707, no 5, 478-496 p.Article in journal (Refereed) Published
Abstract [en]

We present the results of a search for new, heavy particles that decay at a significant distance from theirproduction point into a final state containing charged hadrons in association with a high-momentummuon. The search is conducted in a pp-collision data sample with a center-of-mass energy of 7 TeV andan integrated luminosity of 33 pb−1collected in 2010 by the ATLAS detector operating at the LargeHadron Collider. Production of such particles is expected in various scenarios of physics beyond thestandard model. We observe no signal and place limits on the production cross-section of supersymmetricparticles in an R-parity-violating scenario as a function of the neutralino lifetime. Limits are presentedfor different squark and neutralino masses, enabling extension of the limits to a variety of other models.

Place, publisher, year, edition, pages
2012. Vol. 707, no 5, 478-496 p.
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-84556DOI: 10.1016/j.physletb.2011.12.057ISI: 000300211000005ScopusID: 2-s2.0-84856008823OAI: diva2:499437
QC 20120214Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-03-30Bibliographically approved

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Lund-Jensen, BengtStrandberg, JonasLafaye, Remi
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