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dc.contributor.authorNelson, Ann E.-
dc.contributor.authorWalsh, Jonathan-
dc.date.accessioned2008-08-22T09:20:41Z-
dc.date.available2008-08-22T09:20:41Z-
dc.date.issued2008-02-06-
dc.identifier.citationarXiv:0802.0762v1 [hep-ph]en_US
dc.identifier.citationPhys. Rev. D 77, 095006 (2008)en_US
dc.identifier.issn0556-2821-
dc.identifier.urihttp://hdl.handle.net/10261/6859-
dc.description10 pages.-- PACS number: 12.60.Cn.-- Published in: Phys. Rev. D 77, 095006 (2008) (10 pages).-- Final full-text version of the paper available at: http://dx.doi.org/10.1103/PhysRevD.77.095006.en_US
dc.description.abstractWe show that for a force mediated by a vector particle coupled to a conserved U(1) charge, the apparent range and strength can depend on the size and density of the source, and the proximity to other sources. This "chameleon" effect is due to screening from a light charged scalar. Such screening can weaken astrophysical constraints on new gauge bosons. As an example we consider the constraints on chameleonic gauged B-L. We show that although Casimir measurements greatly constrain any B-L force much stronger than gravity with range longer than 0.1 μm, there remains an experimental window for a long range chameleonic B-L force. Such a force could be much stronger than gravity, and long or infinite range in vacuum, but have an effective range near the surface of the earth which is less than a micron.en_US
dc.description.sponsorshipThis work was partially supported by the DOE under contract DE-FGO3-96-ER4095. The work of Jonathan Walsh was supported by a LHC Theory Initiative Graduate Fellowship. Ann Nelson would like to acknowledge partial sabbatical support from the Ministerio de Educación y Ciencia of Spain, partial sabbatical support from the University of Washington, and the hospitality of the Insituto de Física Teórica UAM/CSIC at the Universidad Autónoma de Madrid.en_US
dc.format.extent204563 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.ispartofseriesIFT-UAM/CSIC-08-49en_US
dc.relation.isversionofPreprint-
dc.rightsopenAccessen_US
dc.source.urihttp://dx.doi.org/10.1103/PhysRevD.77.095006-
dc.subjectExtensions of electroweak gauge sectoren_US
dc.subjectHigh Energy Physics - Phenomenologyen_US
dc.subjectAstrophysicsen_US
dc.subjectGeneral Relativity and Quantum Cosmologyen_US
dc.titleChameleon Vector Bosonsen_US
dc.typepreprinten_US
dc.identifier.doi10.1103/PhysRevD.77.095006-
dc.description.peerreviewedPeer revieweden_US
dc.type.coarhttp://purl.org/coar/resource_type/c_816bes_ES
item.openairetypepreprint-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_816b-
item.fulltextWith Fulltext-
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