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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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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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|
Export • |
reference for this paper using
※ BibTeX,
※ LaTeX,
※ Text/Word,
※ RIS,
※ EndNote (xml)
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