Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8  TeV

Khachatryan, V.; Cabrillo, I. J.; Calderon, Alicia; Castiñeiras De Saa, J. R.; Castro Manzano, P. de; Fernández-García, Marcos; García-Ferrero, J.; Gómez, Gervasio; López Virto, A.; Marco, Jesús; Marco, Rafael; Martínez-Rivero, Celso; Matorras, Francisco; Piedra, Jonatan; Rodrigo Anoro, Teresa; Rodríguez Marrero, Ana Y.; Ruiz Jimeno, Alberto; Scodellaro, Luca; Trevisani, N.; Vila, Iván; Vilar Cortabitarte, R.; CMS Collaboration

Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV

et al.

Detalles Bibliográficos
Autores:	Khachatryan, V., Cabrillo, I. J., Calderon, Alicia, Castiñeiras De Saa, J. R., Castro Manzano, P. de, Fernández-García, Marcos, García-Ferrero, J., Gómez, Gervasio, López Virto, A., Marco, Jesús, Marco, Rafael, Martínez-Rivero, Celso, Matorras, Francisco, Piedra, Jonatan, Rodrigo Anoro, Teresa, Rodríguez Marrero, Ana Y., Ruiz Jimeno, Alberto, Scodellaro, Luca, Trevisani, N., Vila, Iván, Vilar Cortabitarte, R., CMS Collaboration
Tipo de recurso:	artículo
Estado:	Versión publicada
Fecha de publicación:	2016
País:	España
Institución:	Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:	DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:	oai:digital.csic.es:10261/140828
Acceso en línea:	http://hdl.handle.net/10261/140828
Access Level:	acceso abierto
Palabra clave:	ddc:530

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spelling	Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeVKhachatryan, V.Cabrillo, I. J.Calderon, AliciaCastiñeiras De Saa, J. R.Castro Manzano, P. deFernández-García, MarcosGarcía-Ferrero, J.Gómez, GervasioLópez Virto, A.Marco, JesúsMarco, RafaelMartínez-Rivero, CelsoMatorras, FranciscoPiedra, JonatanRodrigo Anoro, TeresaRodríguez Marrero, Ana Y.Ruiz Jimeno, AlbertoScodellaro, LucaTrevisani, N.Vila, IvánVilar Cortabitarte, R.CMS Collaborationddc:530et al.A search for evidence of particle dark matter (DM) and unparticle production at the LHC has been performed using events containing two charged leptons, consistent with the decay of a Z boson, and large missing transverse momentum. This study is based on data collected with the CMS detector corresponding to an integrated luminosity of 19.7 fb−1 of pp collisions at the LHC at a center-of-mass energy of 8 TeV. No significant excess of events is observed above the number expected from the standard model contributions. The results are interpreted in terms of 90% confidence level limits on the DM-nucleon scattering cross section, as a function of the DM particle mass, for both spin-dependent and spin-independent scenarios. Limits are set on the effective cutoff scale Λ, and on the annihilation rate for DM particles, assuming that their branching fraction to quarks is 100%. Additionally, the most stringent 95% confidence level limits to date on the unparticle model parameters are obtained.Individuals have received support from the Marie-Curie program and the European Research Council and EPLANET (European Union); the Leventis Foundation; the A. P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS program of the Foundation for Polish Science, cofinanced by the European Union, Regional Development Fund; the OPUS program of the National Science Center (Poland); the Compagnia di San Paolo (Torino); MIUR Project No. 20108T4XTM (Italy); the Thalis and Aristeia programs cofinanced by EU-ESF and the Greek NSRF; the National Priorities Research Program by Qatar National Research Fund; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand); and the Welch Foundation, Contract No. C-1845.Peer ReviewedAmerican Physical SocietyWelch FoundationBelgian Science Policy OfficeAlexander von Humboldt FoundationAlfred P. Sloan FoundationA. G. Leventis FoundationEuropean Research CouncilFoundation for Polish ScienceMinistry of Education, Youth and Sports (Czech Republic)Ministry of Education, Youth and Sports (Czech Republic)National Science Centre (Poland)European CommissionCompagnia di San PaoloQatar National Research FundGreek GovernmentMinistero dell'Istruzione, dell'Università e della RicercaConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2016201620162016info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/140828reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/EC/FP7/246806http://dx.doi.org/10.1103/PhysRevD.93.052011Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/1408282026-05-22T06:33:51Z
dc.title.none.fl_str_mv	Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV
title	Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV
spellingShingle	Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV Khachatryan, V. ddc:530
title_short	Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV
title_full	Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV
title_fullStr	Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV
title_full_unstemmed	Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV
title_sort	Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV
dc.creator.none.fl_str_mv	Khachatryan, V. Cabrillo, I. J. Calderon, Alicia Castiñeiras De Saa, J. R. Castro Manzano, P. de Fernández-García, Marcos García-Ferrero, J. Gómez, Gervasio López Virto, A. Marco, Jesús Marco, Rafael Martínez-Rivero, Celso Matorras, Francisco Piedra, Jonatan Rodrigo Anoro, Teresa Rodríguez Marrero, Ana Y. Ruiz Jimeno, Alberto Scodellaro, Luca Trevisani, N. Vila, Iván Vilar Cortabitarte, R. CMS Collaboration
author	Khachatryan, V.
author_facet	Khachatryan, V. Cabrillo, I. J. Calderon, Alicia Castiñeiras De Saa, J. R. Castro Manzano, P. de Fernández-García, Marcos García-Ferrero, J. Gómez, Gervasio López Virto, A. Marco, Jesús Marco, Rafael Martínez-Rivero, Celso Matorras, Francisco Piedra, Jonatan Rodrigo Anoro, Teresa Rodríguez Marrero, Ana Y. Ruiz Jimeno, Alberto Scodellaro, Luca Trevisani, N. Vila, Iván Vilar Cortabitarte, R. CMS Collaboration
author_role	author
author2	Cabrillo, I. J. Calderon, Alicia Castiñeiras De Saa, J. R. Castro Manzano, P. de Fernández-García, Marcos García-Ferrero, J. Gómez, Gervasio López Virto, A. Marco, Jesús Marco, Rafael Martínez-Rivero, Celso Matorras, Francisco Piedra, Jonatan Rodrigo Anoro, Teresa Rodríguez Marrero, Ana Y. Ruiz Jimeno, Alberto Scodellaro, Luca Trevisani, N. Vila, Iván Vilar Cortabitarte, R. CMS Collaboration
author2_role	author author author author author author author author author author author author author author author author author author author author author
dc.contributor.none.fl_str_mv	Welch Foundation Belgian Science Policy Office Alexander von Humboldt Foundation Alfred P. Sloan Foundation A. G. Leventis Foundation European Research Council Foundation for Polish Science Ministry of Education, Youth and Sports (Czech Republic) Ministry of Education, Youth and Sports (Czech Republic) National Science Centre (Poland) European Commission Compagnia di San Paolo Qatar National Research Fund Greek Government Ministero dell'Istruzione, dell'Università e della Ricerca Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv	ddc:530
topic	ddc:530
description	et al.
publishDate	2016
dc.date.none.fl_str_mv	2016 2016 2016 2016
dc.type.none.fl_str_mv	info:eu-repo/semantics/article http://purl.org/coar/resource_type/c_6501 Publisher's version info:eu-repo/semantics/publishedVersion
format	article
status_str	publishedVersion
dc.identifier.none.fl_str_mv	http://hdl.handle.net/10261/140828
url	http://hdl.handle.net/10261/140828
dc.language.none.fl_str_mv	Inglés
language_invalid_str_mv	Inglés
dc.relation.none.fl_str_mv	#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/FP7/246806 http://dx.doi.org/10.1103/PhysRevD.93.052011 Sí
dc.rights.none.fl_str_mv	info:eu-repo/semantics/openAccess
eu_rights_str_mv	openAccess
dc.publisher.none.fl_str_mv	American Physical Society
publisher.none.fl_str_mv	American Physical Society
dc.source.none.fl_str_mv	reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str	Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str	DIGITAL.CSIC. Repositorio Institucional del CSIC
collection	DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score	15.81155

Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at √s=8 TeV

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