Experimental investigation of geodesic acoustic modes on JET using Doppler backscattering

Silva, C.; Hillesheim, J.C.; Hidalgo, C.; Belonohy, E.; Delabie, E.; Jet Contributors; García Muñoz, Manuel

doi:10.1088/0029-5515/56/10/106026

Artículo

dc.creator	Silva, C.	es
dc.creator	Hillesheim, J.C.	es
dc.creator	Hidalgo, C.	es
dc.creator	Belonohy, E.	es
dc.creator	Delabie, E.	es
dc.creator	Jet Contributors	es
dc.creator	García Muñoz, Manuel	es
dc.date.accessioned	2020-08-27T14:06:22Z
dc.date.available	2020-08-27T14:06:22Z
dc.date.issued	2016-10
dc.identifier.citation	Silva, C., Hillesheim, J.C., Hidalgo, C., Belonohy, E., Delabie, E., Jet Contributors, y García Muñoz, M. (2016). Experimental investigation of geodesic acoustic modes on JET using Doppler backscattering. Nuclear Fusion, 56 (10), 106026-.
dc.identifier.issn	0029-5515	es
dc.identifier.uri	https://hdl.handle.net/11441/100496
dc.description.abstract	Geodesic acoustic modes (GAMs) have been investigated in JET ohmic discharges using mainly Doppler backscattering. Characteristics and scaling properties of the GAM are studied. Time and spatial resolved measurements of the perpendicular velocity indicate that GAMs are located in a narrow layer at the edge density gradient region with amplitude corresponding to about 50% of the mean local perpendicular velocity. GAMs on JET appear to be regulated by the turbulence drive rather than by their damping rate. It is also shown that the GAM amplitude is ~20% larger in deuterium than in hydrogen plasmas.	es
dc.description.sponsorship	EURATOM 633053	es
dc.description.sponsorship	Fundação para a Ciência e Tecnologia UID/FIS/50010/2013	es
dc.format	application/pdf	es
dc.format.extent	11 p.	es
dc.language.iso	eng	es
dc.publisher	IOP Publishing	es
dc.relation.ispartof	Nuclear Fusion, 56 (10), 106026-.
dc.rights	Attribution-NonCommercial-NoDerivatives 4.0 Internacional	*
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/4.0/	*
dc.subject	Edge turbulence	es
dc.subject	GAMs	es
dc.subject	Doppler backscattering	es
dc.title	Experimental investigation of geodesic acoustic modes on JET using Doppler backscattering	es
dc.type	info:eu-repo/semantics/article	es
dcterms.identifier	https://ror.org/03yxnpp24
dc.type.version	info:eu-repo/semantics/publishedVersion	es
dc.rights.accessRights	info:eu-repo/semantics/openAccess	es
dc.contributor.affiliation	Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear	es
dc.relation.projectID	633053	es
dc.relation.projectID	UID/FIS/50010/2013	es
dc.relation.publisherversion	http://dx.doi.org/10.1088/0029-5515/56/10/106026	es
dc.identifier.doi	10.1088/0029-5515/56/10/106026	es
dc.contributor.group	Universidad de Sevilla. RNM138: Física Nuclear Aplicada	es
dc.journaltitle	Nuclear Fusion	es
dc.publication.volumen	56	es
dc.publication.issue	10	es
dc.publication.initialPage	106026	es

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