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dc.contributor.authorBaringer, Philip S.
dc.contributor.authorBean, Alice
dc.contributor.authorMurray, Michael J.
dc.contributor.authorSanders, Stephen J.
dc.contributor.authorCMS Collaboration
dc.date.accessioned2016-11-29T18:43:39Z
dc.date.available2016-11-29T18:43:39Z
dc.date.issued2015-01-20
dc.identifier.citationKhachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., … Frühwirth, R. (2015). Search for long-lived neutral particles decaying to quark-antiquark pairs in proton-proton collisions at s = 8 TeV . Phys. Rev. D, 91(1). doi:10.1103/physrevd.91.012007en_US
dc.identifier.urihttp://hdl.handle.net/1808/22056
dc.description.abstractA search is performed for long-lived massive neutral particles decaying to quark-antiquark pairs. The experimental signature is a distinctive topology of a pair of jets, originating at a secondary vertex. Events were collected with the CMS detector at the CERN LHC in proton-proton collisions at a center-of-mass energy of 8 TeV. The data analyzed correspond to an integrated luminosity of 18.5  fb−1. No significant excess is observed above standard model expectations. Upper limits at 95% confidence level are set on the production cross section of a heavy neutral scalar particle, H, in the mass range of 200 to 1000 GeV, decaying promptly into a pair of long-lived neutral X particles in the mass range of 50 to 350 GeV, each in turn decaying into a quark-antiquark pair. For X with mean proper decay lengths of 0.4 to 200 cm, the upper limits are typically 0.5–200  fb. The results are also interpreted in the context of an R-parity-violating supersymmetric model with long-lived neutralinos decaying into a quark-antiquark pair and a muon. For pair production of squarks that promptly decay to neutralinos with mean proper decay lengths of 2–40  cm, the upper limits on the cross section are typically 0.5–3  fb. The above limits are the most stringent on these channels to date.en_US
dc.publisherAmerican Physical Societyen_US
dc.rightsThis article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.en_US
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.titleSearch for long-lived neutral particles decaying to quark-antiquark pairs in proton-proton collisions at ffisffi s√=8  TeVen_US
dc.typeArticleen_US
kusw.kuauthorBaringer, Philip S.
kusw.kuauthorBean, Alice
kusw.kudepartmentPhysics and Astronomyen_US
dc.identifier.doi10.1103/PhysRevD.91.012007en_US
kusw.oaversionScholarly/refereed, publisher versionen_US
kusw.oapolicyThis item meets KU Open Access policy criteria.en_US
dc.rights.accessrightsopenAccess


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This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Except where otherwise noted, this item's license is described as: This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.