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dc.date.accessioned 2020-04-16T18:37:00Z
dc.date.available 2020-04-16T18:37:00Z
dc.date.issued 2008-12
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/93587
dc.description.abstract We study the role of fundamental constants in an updated recombination scenario. We focus on the time variation of the fine structure constant α, and the electron mass me in the early Universe, and put bounds on these quantities by using data from CMB including WMAP 5-yr release and the 2dFGRS power spectrum. We analyze how the constraints are modified when changing the recombination scenario. en
dc.format.extent 212-216 es
dc.language en es
dc.subject Variation of fundamental constants es
dc.subject Cosmic microwave background es
dc.title WMAP 5-year constraints on time variation of α and me in a detailed recombination scenario en
dc.type Articulo es
sedici.identifier.uri https://www.sciencedirect.com/science/article/pii/S0370269308012136?via%3Dihub es
sedici.identifier.uri https://ri.conicet.gov.ar/handle/11336/44864 es
sedici.identifier.other http://dx.doi.org/10.1016/j.physletb.2008.09.051 es
sedici.identifier.other hdl:11336/44864 es
sedici.identifier.issn 0370-2693 es
sedici.creator.person Scóccola, Claudia Graciela es
sedici.creator.person Landau, Susana Judith es
sedici.creator.person Vucetich, Héctor es
sedici.subject.materias Astronomía es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Astronómicas y Geofísicas es
mods.originInfo.place Instituto de Astrofísica de La Plata es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Physics Letters B es
sedici.relation.journalVolumeAndIssue vol. 669, no. 3-4 es


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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)