| Paper |
Title |
Page |
| MOP15 |
TRASCO-RFQ as Injector for the SPES-1 Project
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66 |
| |
- P. Posocco, M. Comunian, A. Pisent
INFN/LNL, Legnaro, Padova
- E. Fagotti
INFN Milano, Milano
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The funded first phase of SPES foresees the realization at LNL of a facility able, on one hand, to accelerate a 10 mA protons beam up to 20 MeV for nuclear studies and, on the other hand, to accelerate a 30 mA protons beam up to 5 MeV for BNCT and preliminary ADS studies. In this two-way facility, the TRASCO RFQ will operate in two different current regimes. Moreover a specific MEBT has to be designed able to match the beam to the following superconducting linac and to deliver a beam with the correct characteristics to the neutron production target for the BNCT studies.
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| MOP16 |
The TRASCO-SPES RFQ
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69 |
| |
- A. Pisent, M. Comunian, J. Esposito, A. Palmieri
INFN/LNL, Legnaro, Padova
- E. Fagotti
INFN Milano, Milano
- G. Lamanna
CINEL, Vigonza (PD)
- M. S. Mathot
CERN, Geneva
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A high intensity RFQ is under construction at LNL. Developed within TRASCO research program, the Italian feasibility study an ADS (Accelerator Driven System), it will be employed as the first accelerating element of SPES facility, the ISOL project of LNL. The RFQ operates at the frequency of 352 MHz in CW mode, is able to deliver a proton current up to 30 mA and consists of six brazed segments whose length is 1.2 m. In this article the results obtained from the construction of a 20 cm “technological model”, aimed at testing the construction procedure of the final structure, will be discussed. Finally we will report about the machining and the outcomes obtained after RF testing of the first two segments built up to now.
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| MOP17 |
Design of the SPES-1 LEBT
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72 |
| |
- E. Fagotti
INFN Milano, Milano
- M. Comunian, A. Pisent
INFN/LNL, Legnaro, Padova
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The low-energy-beam transport (LEBT) system for the SPES-1 accelerator transports the beam at 80 keV and 30 mA from the ion-source TRIPS to the TRASCO RFQ entrance. A second mode of operation corresponding to 10 mA current is also foreseen. The code PARMELA performed these simulations of the beam transport through the LEBT. This code is used to transport H+ and H2+ in the electrostatic fields of the ion-source extraction, in the magnetic fields of both the source and the solenoid lenses and under space charge and neutralization influence.
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| TUP18 |
Beam Dynamics Issues of SPES-1 Linac
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330 |
| |
- E. Fagotti
INFN Milano, Milano
- M. Comunian, A. Palmieri, A. Pisent
INFN/LNL, Legnaro, Padova
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| |
An Independent Superconducting Cavity Linac able to accelerate 10 mA CW proton beam up to 20 MeV has been studied for the SPES-1 project. This paper presents the results of beam dynamics studies through SPES linac including mapped fields effects on cavities and magnets.
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| TUP19 |
Characterization of Beam Parameter and Halo for a High Intensity RFQ Output under Different Current Regimes
|
333 |
| |
- E. Fagotti
INFN Milano, Milano
- M. Comunian, A. Palmieri, A. Pisent
INFN/LNL, Legnaro, Padova
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The characterization of the beam distribution at the exit of a high intensity RFQ is a crucial point in view of a correct simulation of beam behavior in the following linac structure. At this scope we need to know the beam halo quantification as a function of the input beam and RFQ parameters. In this paper, the description of Beam halo based upon moments of the particle distribution at the exit of the TRASCO-RFQ is given.
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