CERN’s Linac4 cesiated surface H− source
Lettry, J., Aguglia, D., Bertolo, S., Briefi, S., Butterworth, A., Coutron, Y., Dallocchio, A., David, N., Chaudet, E., Fantz, U., Fink, D., Garlasche, M., Grudiev, A., Guida, R., Hansen, J., Haase, M., Hatayama, A., Jones, A., Kalvas, T., . . . Voulgarakis, G. (2017). CERN’s Linac4 cesiated surface H− source. In D. Faircloth (Ed.), NIBS 2016 : Fifth International Symposium on Negative Ions, Beams and Sources (Article 030002). AIP Publishing. AIP Conference Proceedings, 1869. https://doi.org/10.1063/1.4995722
Published in
AIP Conference ProceedingsAuthors
Fink, D. |
Editors
Date
2017Copyright
© 2017, AIP Publishing LLC. Published in this repository with the kind permission of the publisher.
Linac4 cesiated surface H− sources are routinely operated for the commissioning of the CERN’s Linac4 and on an ion source test stand. Stable current of 40-50 mA are achieved but the transmission through the LEBT of 80% was below expectations and triggered additional beam simulation and characterization. The H− beam profile is not Gaussian and emittance measurements are larger than simulation. The status of ongoing development work is described; 36 mA H− and 20 mA D− beams were produced with a 5.5 mm aperture cesiated surface ion source. The emittances measured at the test stand are presented. During a preliminary test, the Linac4 proton source delivered a total beam intensity of 70 mA (p, H2+, H3+).
Publisher
AIP PublishingParent publication ISBN
978-0-7354-1549-2Conference
International Symposium on Negative Ions, Beams and SourcesIs part of publication
NIBS 2016 : Fifth International Symposium on Negative Ions, Beams and SourcesISSN Search the Publication Forum
0094-243XKeywords
Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/27291106
Metadata
Show full item recordCollections
Related items
Showing items with similar title or keywords.
-
Dye molecules on titatium dioxide surface: cluster and periodic surface models
Mäkinen, Ville (2008) -
Bulky Surface Ligands Promote Surface Reactivities of [Ag141X12(S-Adm)40]3+ (X=Cl, Br, I) Nanoclusters: Models for Multiple-Twinned Nanoparticles
Ren, Liting; Yuan, Peng; Su, Haifeng; Malola, Sami; Lin, Shuichao; Tang, Zichao; Teo, Boon K.; Häkkinen, Hannu; Zheng, Lansun; Zheng, Nanfeng (American Chemical Society, 2017)Surface ligands play important roles in controlling the size and shape of metal nanoparticles and their surface properties. In this work, we demonstrate that the use of bulky thiolate ligands, along with halides, as the ... -
Surface Coordination of Multiple Ligands Endows N‐Heterocyclic Carbene‐Stabilized Gold Nanoclusters with High Robustness and Surface Reactivity
Shen, Hui; Xu, Zhen; Hazer, Maryam Sabooni Asre; Wu, Qingyuan; Peng, Jiang; Qin, Ruixuan; Malola, Sami; Teo, Boon K.; Häkkinen, Hannu; Zheng, Nanfeng (Wiley-VCH Verlag, 2021)Deciphering the molecular pictures of the multi-component and non-periodic organic-inorganic interlayer is a grand technical challenge. Here we show that the atomic arrangement of hybrid surface ligands on metal nanoparticles ... -
Graphene plasmonics for surface-enhanced infrared spectroscopy
Plyushch, Alexander (2020)The work, presented in this thesis, focuses on studying graphene as a signal enhancing material for spectroscopic applications. Among many outstanding characteristics of graphene, it also exhibits attractive plasmonic ... -
Strong coupling between surface plasmon polaritons and molecules : Lindblad equation approach
Asikainen, Aili (2016)Pintaplasmonipolaritonit (SPP) ovat metallin ja dielektrisen aineen, esim. ilma, rajapintaan syntyviä sähkömagneettisia aaltoja. Tämä työ käsittelee SPP:en ja molekyylien välistä vuorovaikutusta vahvan kytkennän rajalla. ...