Paper |
Title |
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TUPAL015 |
Progress in the Realization and Commissioning of the Exotic Beam Facility SPES at INFN-LNL |
1035 |
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- G. Bisoffi, A. Andrighetto, P. Antonini, L. Bellan, D. Benini, J. Bermudez, D. Bortolato, M. Calderolla, M. Comunian, S. Corradetti, A. Facco, E. Fagotti, P. Favaron, A. Galatà, F. Galtarossa, M.G. Giacchini, F. Gramegna, A. Lombardi, M. Maggiore, M. Manzolaro, D. Marcato, T. Marchi, P. Mastinu, P. Modanese, M.F. Moisio, A. Monetti, M. Montis, A. Palmieri, S. Pavinato, D. Pedretti, A. Pisent, M. Poggi, G.P. Prete, C. R. Roncolato, M. Rossignoli, L. Sarchiapone, D. Scarpa, D. Zafiropoulos, L. de Ruvo
INFN/LNL, Legnaro (PD), Italy
- V. Andreev
ITEP, Moscow, Russia
- M.A. Bellato
INFN- Sez. di Padova, Padova, Italy
- A.J. Mendez
ORNL, Oak Ridge, Tennessee, USA
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SPES (Selective Production of Exotic Species) is an ISOL type facility for production and post-acceleration of exotic nuclei for forefront research in nuclear physics. Radioactive (RA) species (A=80/160) will be produced by fissions induced by a proton beam impinging on an UCx target: the proton beam will be delivered by a com-mercial cyclotron with a 40 MeV maximum energy and a 0.25 mA maximum current. The RA species, extracted from the Target-Ion-Source system as a 1+ beam , will be cooled in a RFQ (radiofrequency quadrupole) beam cool-er (RFQ-BC) and purified from the isobars contaminants through a High Resolution Mass Separator (HRMS). Post-acceleration will be performed via an ECR-based charge breeder, delivering the obtained q+ RA beam to a being built CW RFQ and to the being upgraded superconducting (sc) linac ALPI (up to 10 MeV/A for a mass-to-charge ratio A/q=7).
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2018-TUPAL015
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THXGBF2 |
Beam Commissioning of the IFMIF EVEDA Very High Power RFQ |
2902 |
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- E. Fagotti, L. Antoniazzi, L. Bellan, D. Bortolato, M. Comunian, A. Facco, M.G. Giacchini, F. Grespan, M. Montis, A. Palmieri, A. Pisent, F. Scantamburlo
INFN/LNL, Legnaro (PD), Italy
- B. Bolzon, N. Chauvin, R. Gobin
CEA/IRFU, Gif-sur-Yvette, France
- P. Cara
IFMIF/EVEDA, Rokkasho, Japan
- H. Dzitko, D. Gex, A. Jokinen, G. Phillips
F4E, Germany
- T. Ebisawa, A. Kasugai, K. Kondo, K. Sakamoto, T. Shinya, M. Sugimoto
QST, Aomori, Japan
- R. Heidinger, A. Marqueta, I. Moya
Fusion for Energy, Garching, Germany
- P. Mereu
INFN-Torino, Torino, Italy
- G. Pruneri
Consorzio RFX, Associazione Euratom-ENEA sulla Fusione, Padova, Italy
- M. Weber
CIEMAT, Madrid, Spain
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IFMIF, the International Fusion Materials Irradiation Facility, is an accelerator-based neutron source that will use Li(d, xn) reactions to generate a flux of neutrons with a broad peak at 14 MeV equivalent to the conditions of the Deuterium-Tritium reactions in a fusion power plant. IFMIF is conceived for fusion materials testing. The IFMIF prototype linear accelerator (LIPAc) is jointly developed by Europe and Japan within the IFMIF EVEDA project: it is composed of an ion source, a LEBT, an RFQ, a MEBT and a SC linac, with a final energy of 9 MeV. The 4-vane Radio Frequency Quadrupole (RFQ), developed by INFN in Italy, will accelerate a 130 mA deuteron beam from 0.1 to 5 MeV in continuous wave, for a beam power of 650 kW. The 9.8 m long 175 MHz cavity is composed of 18 x 0.54 m long modules flanged together and aligned within 0.3 mm tolerance. The RFQ was completed, delivered and assembled at the Rokkasho site and is presently under extended RF tests. The second phase of beam commissioning (up to 2.5 MeV/u) was scheduled to start at the end of 2017. Several unexpected issues and incidents significantly delayed the original program, which is however proceeding step by step toward the full achievement of its goals.
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Slides THXGBF2 [5.318 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2018-THXGBF2
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THPAK019 |
Beam Dynamics of the First Beams for IFMIF-EVEDA RFQ Commissioning |
3246 |
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- L. Bellan, C. Baltador, M. Comunian, E. Fagotti, F. Grespan, A. Pisent
INFN/LNL, Legnaro (PD), Italy
- T. Akagi
KEK, Ibaraki, Japan
- B. Bolzon, N. Chauvin
CEA/DSM/IRFU, France
- H. Dzitko
F4E, Germany
- K. Kondo, M. Sugimoto
QST, Aomori, Japan
- I. Podadera
CIEMAT, Madrid, Spain
- F. Scantamburlo
IFMIF/EVEDA, Rokkasho, Japan
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The installation of the IFMIF-EVEDA RFQ, MEBT, LEBT, source and beam dump was completed in September 2017. The beam dynamics of the first beams for the IFMIF-EVEDA RFQ commissioning is presented. Moreover, a proposal for the CW RFQ steady state commissioning is shown, with a focus on the beam dynamics challenges of the beam transport after the RFQ.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2018-THPAK019
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THPAL007 |
Upgrade of PIAVE Superconducting RFQs at INFN-Legnaro |
3623 |
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- G. Bisoffi, E. Bissiato, D. Bortolato, F. Chiurlotto, T. Contran, E. Fagotti, A. Minarello, P. Modanese, E. Munaron, D. Scarpa
INFN/LNL, Legnaro (PD), Italy
- V. Andreev
ITEP, Moscow, Russia
- A. Bosotti, R. Paparella
INFN/LASA, Segrate (MI), Italy
- L.M.A. Ferreira
CERN, Geneva, Switzerland
- K. Kasprzak
IFJ-PAN, Kraków, Poland
- R.C. Pardo
ANL, Argonne, Illinois, USA
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Superconducting RFQs (SRFQs), the first SC RFQs ever made operational for users, have been operated on the PIAVE SC heavy ion linac injector at INFN-Legnaro since 2006. The structure is split into two resonators and is limited to the accelerating RFQ sections. The resonators had never exceeded 80% of the design accelerating fields. In 2015, an upgrade plan started, aimed at increasing the accelerating fields, while improving their slow and fast tuning systems, repairing degraded components, imple-menting a LASER alignment method. The upgrade plan was successfully concluded in summer 2017. The resona-tors were kept stably locked for days at a field larger than the nominal one. Eventually, a test beam was accelerated successfully for 72 hours, with negligible locking issues. SRFQs entered once again routine operation in December 2017. The new features will allow to accelerate heavy ions with an A/q value as high as 8.5 (versus a former maximum A/q=7.5), allowing operation of the very first accelerated uranium beams at INFN-LNL, after the relat-ed authorizations shall have been issued.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2018-THPAL007
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