Record link: 
http://hdl.handle.net/20.500.12708/136897
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Title: 
Evidence on the Effects of Main-Chamber Neutrals on Density Shoulder Broadening
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Citation: 
Tsui, C. K., Boedo, J. A., Brida, D., Février, O., Harrer, G., Perek, A., Reimerdes, H., Duval, B. P., Gorno, S., Sheikh, U., Theiler, C., Vianello, N., Walkden, N., Wensing, M., & Baquero-Ruiz, M. (2022). Evidence on the Effects of Main-Chamber Neutrals on Density Shoulder Broadening. Physics of Plasmas, 29(6), 062507. https://doi.org/10.1063/5.0090260
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Publisher DOI: 
10.1063/5.0090260
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Publication Type: 
Article - Original Research Article
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Language: 
English
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Authors: 
Tsui, C.K. 
Boedo, J.A. 
Brida, D. 
Février, O. 
Harrer, Georg 
Perek, A. 
Reimerdes, H. 
Duval, B.P. 
Gorno, S. 
Sheikh, U. 
Theiler, C. 
Vianello, N. 
Walkden, N. 
Wensing, M. 
Baquero-Ruiz, M. 
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Organisational Unit: 
E134-03 - Forschungsbereich Atomic and Plasma Physics 
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Journal: 
Physics of Plasmas 
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ISSN: 
1070-664X
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Date (published): 
Jun-2022
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Number of Pages: 
7
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Publisher: 
AIP PUBLISHING
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Peer reviewed: 
Yes
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Keywords: 
Condensed Matter Physics
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Abstract: 
Evidence that density shoulder broadening is dependent on high main-chamber neutral density is presented. Shoulder broadening does not occur when the sources for main-chamber neutrals are minimized using divertor baffles and wide gaps to the first wall ( 3 the density decay length). Removing the baffles or reducing the gap to the inner wall both act to increase the density shoulder amplitude in otherwise identical TCV discharges. Radial turbulent transport is correlated with shoulder amplitude.
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Research Areas: 
Materials Characterization: 100%
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Science Branch: 
Physik, Astronomie
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