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Accès ouvert déclaré 2015 article

Search for long-lived neutral particles decaying to quark-antiquark pairs in proton-proton collisions at s=8 TeV

131Citations signalées, ce qui n’est pas une note de qualité
206Institutions déclarées
41Pays d’affiliation déclarés

Rattachement africain : am, at, be, de, br, bg, cn, us, co, es, hr, cy, cz, Égypte, ee, fi, fr, ge, ch, gr, hu, in, ir, ie, it, kr, lt, my, mx, nz, pk, pl, pt, ru, gb, rs, tw, th, tr, ua, pr. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

A 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 $18.5\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$. 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 $0.5--200\text{ }\text{ }\mathrm{fb}$. 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 $2--40\text{ }\text{ }\mathrm{cm}$, the upper limits on the cross section are typically $0.5--3\text{ }\text{ }\mathrm{fb}$. The above limits are the most stringent on these channels to date.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.

Titre Crossref
Search for long-lived neutral particles decaying to quark-antiquark pairs in proton-proton collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>8</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:math>
Date Crossref
20/01/2015
Éditeur
American Physical Society (APS)
Type
journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.

Les institutions déclarées

A. Alikhanyan National LaboratoryAustrian Academy of SciencesInstitute of High Energy PhysicsUniversity of AntwerpVrije Universiteit BrusselUniversité Libre de BruxellesUCLouvainGhent University HospitalDeutsches Elektronen-Synchrotron DESYUniversity of MonsCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversidade Federal do ABCUniversidade Estadual Paulista (Unesp)Bulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"Institute of High Energy PhysicsPeking UniversityRice UniversityVanderbilt UniversityUniversidad de Los AndesUniversidad de CantabriaInstituto de Física de CantabriaUniversity of Maryland, College ParkUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityAcademy of Scientific Research and TechnologyNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversCentre National de la Recherche ScientifiqueÉcole PolytechniqueInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetUniversité de Haute-AlsaceInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesLyon 1 UniversitéInstitute of Nuclear Physics of LyonTbilisi State UniversityRWTH Aachen UniversityETH ZurichUniversity of California, Los AngelesUniversität HamburgKarlsruhe Institute of TechnologyMax Planck Institute for Nuclear PhysicsNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensUniversity of IoanninaHUN-REN Wigner Research Centre for PhysicsHUN-REN Institute for Nuclear ResearchHungarian Academy of SciencesUniversity of DebrecenNational Institute of Science Education and ResearchPanjab UniversityUniversity of DelhiUniversity at Buffalo, State University of New YorkUniversity of California San DiegoTata Institute of Fundamental ResearchSaha Institute of Nuclear PhysicsBrown UniversityBhabha Atomic Research CentreInstitute for Research in Fundamental SciencesUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of Bari Aldo MoroPolytechnic University of BariIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiUniversity of CataniaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaCentro Siciliano di Fisica Nucleare e di Struttura della MateriaIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of FlorenceIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaUniversity of MilanIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Milano-BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of BasilicataMarconi UniversityUniversity of Naples Federico IIIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of PaduaUniversity of TrentoUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PisaScuola Normale SuperioreUniversity of PisaIstituto Nazionale di Fisica Nucleare, Sezione di Roma ISapienza University of RomeIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”University of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteKangwon National UniversityKyungpook National UniversitySungkyunkwan UniversityTexas Tech UniversityJeonbuk National UniversityChonnam National UniversityUniversity of SeoulKorea UniversitySeoul National UniversityVilnius UniversityUniversity of MalayaInstituto Politécnico NacionalCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalIbero American UniversityBenemérita Universidad Autónoma de PueblaAutonomous University of San Luis PotosíUniversity of AucklandUniversity of CanterburyQuaid-i-Azam UniversityAbdus Salam Centre for PhysicsNational Centre for Nuclear ResearchUniversity of WarsawLIP - Laboratory of Instrumentation and Experimental Particle PhysicsJoint Institute for Nuclear ResearchPetersburg Nuclear Physics InstituteInstitute for Nuclear ResearchInstitute for Theoretical and Experimental PhysicsP.N. Lebedev Physical Institute of the Russian Academy of SciencesRutherford Appleton LaboratoryLomonosov Moscow State UniversityInstitute for High Energy PhysicsUniversity of BelgradeVinča Institute of Nuclear SciencesCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversidad Autónoma de MadridUniversidad de OviedoConsejo Superior de Investigaciones CientíficasUnidades Centrales Científico-TécnicasEuropean Organization for Nuclear ResearchPaul Scherrer InstituteUniversity of ZurichNational Central UniversityNational Taiwan UniversityChulalongkorn UniversityCukurova UniversityMiddle East Technical UniversityBoğaziçi UniversityIstanbul Technical UniversityKharkiv Institute of Physics and TechnologyUniversity of BristolImperial College LondonUniversity of Nebraska–LincolnTexas A&M UniversityBrunel University of LondonBaylor UniversityUniversity of California, RiversideUniversity of AlabamaBoston UniversityUniversity of California, DavisUniversity of Colorado BoulderUniversity of California, Santa BarbaraCalifornia Institute of TechnologyCarnegie Mellon UniversityCornell UniversityFairfield UniversityFermi National Accelerator LaboratoryUniversity of FloridaFlorida International UniversityFlorida State UniversityFlorida Institute of TechnologyUniversity of Illinois ChicagoUniversity of IowaJohns Hopkins UniversityUniversity of KansasUniversity of VirginiaKansas State UniversityLawrence Livermore National LaboratoryMassachusetts Institute of TechnologyUniversity of MinnesotaUniversity of Minnesota SystemUniversity of MississippiNortheastern UniversityNorthwestern UniversityUniversity of Notre DameThe Ohio State UniversityPrinceton UniversityUniversity of Puerto Rico SystemUniversity of Puerto Rico-MayaguezPurdue University West LafayettePurdue University NorthwestUniversity of RochesterRockefeller UniversityRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleWayne State UniversityUniversity of Wisconsin–Madison

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Les sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle Interactions

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