Paper |
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TUPIK020 |
Application of Optical Emission Spectroscopy to High Current Proton Sources |
1721 |
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- G. Castro, L. Celona, S. Gammino, O. Leonardi, D. Mascali, M. Mazzaglia, E. Naselli, L. Neri, D. Nicolosi, R. Reitano, G. Torrisi
INFN/LNS, Catania, Italy
- F. Leone
INAF-OACT, Catania, Italy
- M. Mazzaglia, R. Reitano
Universita Degli Studi Di Catania, Catania, Italy
- E. Naselli
Catania University, Catania, Italy
- B. Zaniol
Consorzio RFX, Padova, Italy
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Optical Emission Spectroscopy (OES) represents a very reliable technique to carry out non-invasive measurements of plasma density and plasma temperature in the range of tens of eV. Instead of other diagnostics, it also allows to characterize the different populations of neutrals and ionized particles constituting the plasma. At INFN-LNS, OES techniques have been developed and applied to characterize the plasma generated by the Flexible Plasma Trap, an ion source used as testbench of the proton source built for European Spallation Source. This work presents the characterization of the parameters of a hydrogen plasma in different conditions of neutral pressure, microwave power and magnetic field profile along with the perspectives for further upgrades of the OES diagnostics system.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-TUPIK020
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WEOBB2 |
Beam Commissioning of the High Intensity Proton Source Developed at INFN-LNS for the European Spallation Source |
2530 |
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- L. Neri, L. Allegra, A. Amato, G. Calabrese, A.C. Caruso, G. Castro, L. Celona, F. Chines, G. Gallo, S. Gammino, O. Leonardi, A. Longhitano, G. Manno, S. Marletta, D. Mascali, M. Mazzaglia, A. Miraglia, S. Passarello, G. Pastore, A. Seminara, A. Spartà, G. Torrisi, S. Vinciguerra
INFN/LNS, Catania, Italy
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At the Istituto Nazionale di Fisica Nucleare Laboratori Nazionali del Sud (INFN-LNS) the beam commissioning of the high intensity Proton Source for the European Spallation Source (PS-ESS) started in November 2016. Beam stability at high current intensity is one of the most important parameter for the first steps of the ongoing commissioning. Promising results were obtained since the first source start with a 6 mm diameter extraction hole. The increase of the extraction hole to 8 mm allowed improving PS-ESS performances and obtaining the values required by the ESS accelerator. In this work, extracted beam current characteristics together with Doppler shift and emittance measurements are presented, as well as the description of the next phases before the installation at ESS in Lund.
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Slides WEOBB2 [2.457 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-WEOBB2
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Export • |
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※ LaTeX,
※ Text/Word,
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