000836046 001__ 836046 000836046 005__ 20240711113523.0 000836046 0247_ $$2doi$$a10.1088/1741-4326/aa7372 000836046 0247_ $$2ISSN$$a0029-5515 000836046 0247_ $$2ISSN$$a1741-4326 000836046 0247_ $$2WOS$$aWOS:000403644400003 000836046 0247_ $$2altmetric$$aaltmetric:21078213 000836046 037__ $$aFZJ-2017-05171 000836046 082__ $$a530 000836046 1001_ $$0P:(DE-HGF)0$$aHirsch, M.$$b0$$eCorresponding author 000836046 245__ $$aConfinement in Wendelstein 7-X limiter plasmas 000836046 260__ $$aVienna$$bIAEA$$c2017 000836046 3367_ $$2DRIVER$$aarticle 000836046 3367_ $$2DataCite$$aOutput Types/Journal article 000836046 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1501503624_31604 000836046 3367_ $$2BibTeX$$aARTICLE 000836046 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000836046 3367_ $$00$$2EndNote$$aJournal Article 000836046 520__ $$aObservations on confinement in the first experimental campaign on the optimized Stellarator Wendelstein 7-X are summarized. In this phase W7-X was equipped with five inboard limiters only and thus the discharge length restricted to avoid local overheating. Stationary plasmas are limited to low densities <2–3 centerdot 1019 m−3. With the available 4.3 MW ECR Heating core T e ~ 8 keV, T i ~ 1–2 keV are achieved routinely resulting in energy confinement time τ E between 80 ms to 150 ms. For these conditions the plasmas show characteristics of core electron root confinement with peaked T e-profiles and positive E r up to about half of the minor radius. Profiles and plasma currents respond to on- and off-axis heating and co- and counter ECCD respectively. 000836046 536__ $$0G:(DE-HGF)POF3-171$$a171 - Stellarator Research (POF3-171)$$cPOF3-171$$fPOF III$$x0 000836046 588__ $$aDataset connected to CrossRef 000836046 7001_ $$0P:(DE-HGF)0$$aDinklage, A.$$b1 000836046 7001_ $$0P:(DE-HGF)0$$aAlonso, A.$$b2 000836046 7001_ $$0P:(DE-HGF)0$$aFuchert, G.$$b3 000836046 7001_ $$0P:(DE-HGF)0$$aBozhenkov, S.$$b4 000836046 7001_ $$0P:(DE-HGF)0$$aHöfel, U.$$b5 000836046 7001_ $$0P:(DE-HGF)0$$aAndreeva, T.$$b6 000836046 7001_ $$0P:(DE-HGF)0$$aBaldzuhn, J.$$b7 000836046 7001_ $$0P:(DE-HGF)0$$aBeurskens, M.$$b8 000836046 7001_ $$0P:(DE-HGF)0$$aBosch, H.-S.$$b9 000836046 7001_ $$0P:(DE-HGF)0$$aBeidler, C. 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