E. Fagotti
YOU?
Author Swipe
View article: New techniques method for improving the performance of the ALPI Linac
New techniques method for improving the performance of the ALPI Linac Open
The superconductive quarter wave cavities hadron linac ALPI is the final acceleration stage at the Legnaro National Laboratories. It can accelerate heavy ions from carbon to uranium up to 10 MeV/u for nuclear and applied physics experiment…
View article: Upgrades and developments related to stable ion beams injectors at INFN-LNL
Upgrades and developments related to stable ion beams injectors at INFN-LNL Open
The LNL accelerator complex is equipped with two stable ion beams injectors, employing respectively negative and positive ion sources. In particular, a sputtering-type negative ion source and an Electron Cyclotron Resonance Ion Source (ECR…
View article: RF conditioning towards continuous wave of the RFQ of the Linear IFMIF Prototype Accelerator
RF conditioning towards continuous wave of the RFQ of the Linear IFMIF Prototype Accelerator Open
The Linear IFMIF Prototype Accelerator (LIPAc) is designed to accelerate 125mA of deuteron beam to 9MeV in continuous wave (CW). The superconductive RF Linac has not yet been installed and the final accelerating stage now under commissioni…
View article: Extraction and low energy beam transport models used for the IFMIF/EVEDA RFQ commissioning
Extraction and low energy beam transport models used for the IFMIF/EVEDA RFQ commissioning Open
The Linear IFMIF Prototype Accelerator (LIPAc) is a high intensity D + linear accelerator; demonstrator of the International Fusion Material Irradiation Facility (IFMIF). In summer 2019 the IFMIF/EVEDA Radio Frequency Quadrupole (RFQ) acce…
View article: First beams from the 1+ source of the ADIGE injector for the SPES Project
First beams from the 1+ source of the ADIGE injector for the SPES Project Open
The ADIGE (Acceleratore Di Ioni a Grande carica Esotici) injector consists of an electrostatic 1+ beam line, equipped with ion sources able to produce a wide variety of beams, coupled to a magnetic beam line, where charge multiplication is…
View article: The Accelerator System of IFMIF-DONES Multi-MW Facility
The Accelerator System of IFMIF-DONES Multi-MW Facility Open
The IFMIF-DONES (DEMO-Oriented Neutron Early Source) facility has passed the preliminary design phase and the detailed design phase is very much advanced. Next step will be the preparation phase for the construction of the facility. The DO…
View article: ESS Drift Tube Linac Manufacturing, Assembly and Tuning
ESS Drift Tube Linac Manufacturing, Assembly and Tuning Open
The Drift Tube Linac (DTL) for the ESS Linac will accelerate H⁺-beams of up to 62.5 mA peak current from 3.62 to 90 MeV. The structure consists of five cavities. The first cavity (DTL1) is a 7.6 m long tank containing 60 drift tubes, 23 fi…
View article: The SPES facility at Legnaro National Laboratories
The SPES facility at Legnaro National Laboratories Open
Worldwide efforts to tackle the nature of exotic nuclei comprise the construction of new-generation Radioactive Ion Beam facilities. The Italian community is deeply involved in the process and the construction of SPES at Legnaro National L…
View article: IFMIF/EVEDA RFQ Beam Commissioning at Nominal 125 mA Deuteron Beam in Pulsed Mode
IFMIF/EVEDA RFQ Beam Commissioning at Nominal 125 mA Deuteron Beam in Pulsed Mode Open
In summer 2019 the IFMIF/EVEDA Radio Frequency Quadrupole (RFQ) accelerated its nominal 125 mA deuteron beam current up to 5 MeV, with 90% transmission for pulses of 1 ms at 1Hz. The Linear IFMIF Prototype Accelerator (LIPAc) is a high int…
View article: Status of the SPES Exotic Beam Facility
Status of the SPES Exotic Beam Facility Open
At Legnaro National Laboratories of INFN is under construction a Rare Isotope Facility called “Selective Production of Exotic Species” (SPES) based on a 35-70 MeV proton cyclotron, able to deliver two beams with a total current up to 0.75 …
View article: Design and development of an Allison type emittance scanner for the SPIDER ion source
Design and development of an Allison type emittance scanner for the SPIDER ion source Open
Low divergence negative ion beams are crucial for the development of ITER-like fusion reactors. SPIDER is the prototype beam source of the ITER heating neutral beam injector, and it recently started beam acceleration, up to a voltage of 30…
View article: Hardware Commissioning of the Renovated PIAVE Injector at INFN-LNL
Hardware Commissioning of the Renovated PIAVE Injector at INFN-LNL Open
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 A…
View article: Hardware Commissioning of the Refurbished ALPI Linac at INFN-LNL to Serve as SPES Exotic Beam Accelerator
Hardware Commissioning of the Refurbished ALPI Linac at INFN-LNL to Serve as SPES Exotic Beam Accelerator Open
The ALPI linac at INFN-LNL was substantially refurbished in 2018, especially in view of its use as secondary accelerator for exotic species in the framework of the SPES project. In particular: 10 magnetic triplets were replaced with higher…
View article: Transverse Emittance Measurement of a 2.5 MeV Proton Beam on LIPAc, IFMIF’s Prototype
Transverse Emittance Measurement of a 2.5 MeV Proton Beam on LIPAc, IFMIF’s Prototype Open
IFMIF (International Fusion Materials Irradiation Fa-cility) is an accelerator-driven neutron source aiming at testing fusion reactor materials. Under the Broader Ap-proach Agreement, a 125 mA / 9 MeV CW deuteron accelerator called LIPAc (…
View article: Lattice Design for 5MeV-125mA CW RFQ Operation in the LIPAc
Lattice Design for 5MeV-125mA CW RFQ Operation in the LIPAc Open
The installation and commissioning of the LIPAc are ongoing under the Broader Approach agreement, which is the prototype accelerator of the IFMIF for proof of princi-ple and design. The deuteron beam will be accelerated by the RFQ linac fr…
View article: Upgrade of PIAVE superconducting RFQs at INFN-Legnaro
Upgrade of PIAVE superconducting RFQs at INFN-Legnaro Open
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 accel…
View article: Progress in the realization and commissioning of the exotic beam facility SPES at INFN-LNL
Progress in the realization and commissioning of the exotic beam facility SPES at INFN-LNL Open
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 indu…
View article: LINUS, the Integrated LNL Neutron Source facility
LINUS, the Integrated LNL Neutron Source facility Open
LINUS is a project at the INFN Legnaro National Laboratories (LNL, Italy) to create a suite of different neutron sources (LSNS, NEPIR, SLOWNE) driven by existing accelerators. LSNS, driven by a 40 mA, 5 MeV proton RFQ, will use Li and Be t…
View article: Status of the RFQ linac installation and conditioning of the Linear IFMIF Prototype Accelerator
Status of the RFQ linac installation and conditioning of the Linear IFMIF Prototype Accelerator Open
The Radio Frequency Quadrupole (RFQ) linac and 1.6 MW RF power system of the Linear IFMIF Prototype Accelerator (LIPAc) facility in the International Fusion Energy Research Center (IFERC) in Rokkasho (Japan) has been installed and conditio…
View article: Commissioning Status of Linear IFMIF Prototype Accelerator (LIPAc)
Commissioning Status of Linear IFMIF Prototype Accelerator (LIPAc) Open
The IFMIF project aiming at material tests for a future fusion DEMO reactor is under the EVEDA phase in the BA Agreement of fusion program between Japan and EU. As the accelerator activity, the installation and commissioning of the Linear …
View article: Beam Dynamics Simulation and Measurements for the IFMIF/EVEDA Project
Beam Dynamics Simulation and Measurements for the IFMIF/EVEDA Project Open
In the framework of IFMIF/EVEDA project the source and RFQ are ready to be tested with beam. In this article the beam dynamics simulation and the measurement performed in preparation of the first beam injection are presented. The installed…
View article: Extraction of many H− beamlets from ion source NIO1
Extraction of many H− beamlets from ion source NIO1 Open
After installation of Mo liners in the source NIO1 (Negative Ion Optimization phase 1), hydrogen plasmas in a continuous regime operation (much longer than one hour) are routinely maintained, with more than 1 kW rf power and 0.5 Pa pressur…
View article: Upgrade of PIAVE Superconducting RFQs at INFN-Legnaro
Upgrade of PIAVE Superconducting RFQs at INFN-Legnaro Open
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 accel…
View article: Progress in the Realization and Commissioning of the Exotic Beam Facility SPES at INFN-LNL
Progress in the Realization and Commissioning of the Exotic Beam Facility SPES at INFN-LNL Open
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 induce…
View article: IFMIF/EVEDA RFQ Preliminary Beam Characterization
IFMIF/EVEDA RFQ Preliminary Beam Characterization Open
The IFMIF/EVEDA RFQ is the longest and powerful operated. Therefore, it requires a careful characterization from several aspects: beam dynamics, RF, mechanics, installation and commissioning. Due to the very large power handling, the preli…
View article: The SPES exotic beam ISOL facility: Status of the project, technical challenges, instrumentation, scientific program
The SPES exotic beam ISOL facility: Status of the project, technical challenges, instrumentation, scientific program Open
The SPES facility (Selective Production of Exotic Species), that is the INFN project for a Nuclear Physics facility with Radioactive Ion Beams (RIBs) is in advanced construction at the Legnaro National Laboratories. It will mostly provide …
View article: Progress Report on LIPAC
Progress Report on LIPAC Open
International Fusion Materials Irradiation Facility (IFMIF) is the neutron source for simulating fusion reactor environment using two 40 MeV/125 mA CW D⁺ beams. LIPAc facility is under construction in Rokkasho for validating 9 MeV/125 mA C…