Upgrade of PIAVE superconducting RFQs at INFN-Legnaro

Bortolato, D.; Andreev, V.N.; Bisoffi, G.; Bosotti, A.; Chiurlotto, F.; Contran, T.; Fagotti, E.; Kasprzak, Karol; Marques, L.; Ferreira, André S.; Modanese, P.; Paparella, Rocco; Pardo, D.; Scarpa, D.; Bissiato, E.; Minarello, A.; Munaron, Enrico

doi:10.1088/1742-6596/1067/8/082008

J. Phys.: Conf. Ser.

2018

DOI: 10.1088/1742-6596/1067/8/082008

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Upgrade of PIAVE superconducting RFQs at INFN-Legnaro

D. Bortolato

V.N. Andreev

G. Bisoffi

et al.

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“…As discussed above, SC RFQs are going to be an indispensable part of the low-energy end of high-intensity accelerators. However, due to numerous challenges in the design and construction of SC RFQs, only the National Institute for Nuclear Physics (INFN) in Italy successfully built two 80 MHz SC RFQs around 2000, which have been in steady operation for a long time [19][20][21][22][23]. It is urgent to conduct further research on SC RFQs.…”

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Design of a 162.5 MHz Superconducting Radio-Frequency Quadrupole for High-Intensity Proton Acceleration

Xia,

Wang,

et al. 2023

Applied Sciences

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Superconducting (SC) radio-frequency quadrupoles (RFQs) have exhibited outstanding performance in transmitting and accelerating high-current continuous-wave (CW) ion beams. They can complete beam acceleration at a much higher gradient and with much lower power consumption compared with normal conducting (NC) RFQs. In this study, we introduce a novel SC RFQ scheme operating at 162.5 MHz to accelerate 10 mA proton beams from 30 keV to 2.5 MeV. It will be used as a crucial component for a neutron source dedicated to Boron Neutron Capture Therapy (BNCT) and neutron imaging projects. For efficient transmission of proton beams, we selected a relatively high inter-vane voltage of 240 kV, and the beam dynamics design yielded satisfactory results. Subsequently, RF design and multi-physics analysis were carried out to validate the reliability of the design. A 30-centimeter-long cavity was specifically designed for the vertical test and allowed for a thorough evaluation of the performance of the SC RFQ after post-treatments. Additionally, the tuning design of the 30 cm cavity was also carried out.

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confidence: 99%

Design of a 162.5 MHz Superconducting Radio-Frequency Quadrupole for High-Intensity Proton Acceleration

Xia,

Wang,

et al. 2023

Applied Sciences

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Hardware Commissioning of the Renovated PIAVE Injector at INFN-LNL

Bortolato

Андреев²,

Bellan

et al. 2019

J. Phys.: Conf. Ser.

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During 2018, the PIAVE superconducting linac injector at INFN-LNL, based on superconducting RFQs and two cryomodules with quarter wave resonators, underwent a renovation plan. This operation was strictly related to the one carried out on ALPI [1], which will become a post-accelerator for both stable and exotic beams in a near future. PIAVE Quarter Wave Resonator (QWR) cryomodules, in operation since 2006, were moved to ALPI to be used for the acceleration of both stable beams and future exotic beams delivered from the cyclotron target-ion-source station, after appropriate purification, charge breeding and pre-acceleration stages. In order to cope with the removal of the two QWR cryomodules in PIAVE, a newly designed 80 MHz room temperature buncher was designed, built and tested: the buncher is required so as to match the longitudinal phase space between PIAVE superconducting RFQs (SRFQ1 and SRFQ2) and ALPI. In the same period, substantial refurbishments on the ECR ion source platform were carried out, in particular on its infrastructure and safety equipment. A problem on an electronic component on SRFQ2, though quickly fixed, delayed beam commissioning of the PIAVE injector, which will start at the end of May 2019.

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Upgrade of PIAVE superconducting RFQs at INFN-Legnaro

Cited by 2 publications

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Design of a 162.5 MHz Superconducting Radio-Frequency Quadrupole for High-Intensity Proton Acceleration

Design of a 162.5 MHz Superconducting Radio-Frequency Quadrupole for High-Intensity Proton Acceleration

Hardware Commissioning of the Renovated PIAVE Injector at INFN-LNL

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