English
Related papers

Related papers: Design and Testing of Cesium Atomic Concentration …

200 papers

The ITER Heating Neutral Beams (HNBs) require large, high-energy H/D atom beams (285/330 A/m^2 extracted current density, and 1/0.87 MeV acceleration energy, respectively for H and D). To address the associated challenges, the SPIDER…

Plasma Physics · Physics 2025-11-05 R. Agnello , M. Barbisan , R. Pasqualotto , B. Pouradier-Duteil , E. Sartori , A. Tiso , B. Zaniol

The Heating Neutral Beam Injectors (HNBs) for ITER will have to deliver 16.7 MW beams of H/D particles at 1 MeV energy. The beams will be produced from H-/D- ions, generated by a radiofrequency plasma source coupled to an ion acceleration…

Tunable Diode Laser Absorption Spectroscopy (TDLAS) has emerged as a versatile and reliable diagnostic tool for measuring temperature, pressure, gas composition, and velocity in power generation and propulsion systems. This paper provides a…

Optics · Physics 2025-12-23 Jose Guerrero , Mirko Gamba

Neutral Beam Injectors (NBIs) based on negative ions are the workhorses of future fusion reactors, such as ITER, which they are expected to provide with up to \SI{33}{MW} of power to heat the fusion plasma. The negative hydrogen ions are…

This article describes the design, construction and use of a calibration and monitoring system, based on movable 137Cs gamma-ray sources, for the ATLAS Tile Calorimeter (TileCal). The sources, propelled by a water-based liquid through tubes…

Helium metastable species play a critical role in sustaining radio-frequency (RF) driven micro atmospheric pressure plasma jets through Penning ionization and for the generation of reactive oxygen and nitrogen species (RONS). Their…

We demonstrate a prototype of a Focused Ion Beam machine based on the ionization of a laser-cooled cesium beam adapted for imaging and modifying different surfaces in the few-tens nanometer range. Efficient atomic ionization is obtained by…

Mesoscale and Nanoscale Physics · Physics 2016-01-08 M. Viteau , M. Reveillard , L. Kime , B. Rasser , P. Sudraud , Y. Bruneau , G. Khalili , P. Pillet , D. Comparat , I. Guerri , A. Fioretti , D. Ciampini , M. Allegrini , F. Fuso

We report on the design, installation, and test of an experimental facility for the production of ultra-cold atomic isotopes and isomers of cesium. The setup covers a broad span of mass numbers and nuclear isomers, allowing one to directly…

In magnetically-confined plasmas of tokamaks, neutral deuterium/hydrogen (D/H) atoms play a role in energy, momentum, and particle balance, as well as the stabilization of plasma turbulence. One key important fusion performance parameter is…

Applied Physics · Physics 2019-12-10 David Feng , Ahmed Diallo , Mikhail N. Shneider

The development of a high intensity negative ion source is part of a considerably larger activity presently undergoing at CEA Saclay in the field of high intensity linear accelerators. Preliminary studies toward the construction of a 2.45…

Accelerator Physics · Physics 2007-05-23 R. Gobin , P-Y. Beauvais , O. Delferriere , R. Ferdinand , F. Harrault , J-M. Lagniel

The SPIDER H-/D- ion source is currently in operation in the Neutral Beam Test facility (NBTF) at Consorzio RFX (Padova, Italy) to prove the possibility of generating up to 40 A of negative ions, with a maximum extracted current density of…

Plasma Physics · Physics 2022-11-11 M. Barbisan , S. Cristofaro , L. Zampieri , R. Pasqualotto , A. Rizzolo

The NIO1 experiment hosts a flexible RF H- ion source, developed by INFN-LNL and Consorzio RFX to improve the present concepts for the production and acceleration of negative ions. The source is also used to benchmark the instrumentation…

Plasma Physics · Physics 2022-11-09 M. Barbisan , B. Zaniol , M. Cavenago , G. Serianni , R. Pasqualotto

A new technique for ion identification in Accelerator Mass Spectrometry (AMS) has been proposed by measuring the ion track ranges using a low-pressure TPC. As a proof of principle, a low-pressure TPC with charge readout using a THGEM…

Instrumentation and Detectors · Physics 2020-08-26 A. Bondar , A. Buzulutskov , E. Frolov , V. Parkhomchuk , A. Petrozhitskiy , T. Shakirova , A. Sokolov

We demonstrate a compact ion beam device capable of accelerating H$^+$ and D$^+$ ions up to 75keV energy, on to a solid target, with sufficient beam current to study fusion reactions. The ion beam system uses a microwave driven plasma…

Standard dosimetry protocols exist for highly penetrating photon and particle beams used in the clinic and in research. However, these protocols cannot be directly applied to shallow penetration MeV-range ion beams. The Radiological…

Accelerator Physics · Physics 2022-02-23 Guy Garty , Andrew D. Harken , David J. Brenner

A laser ablation ion source (LAS) is a powerful tool by which diverse species of ions can be produced for mass spectrometer calibration, or surface study applications. It is necessary to frequently shift the laser position on the target to…

In beam test experiments have been carried out for particle identification using digital pulse shape analysis in a 500~$\mu$m thick Neutron Transmutation Doped (nTD) silicon detector with an indigenously developed FPGA based 12 bit…

Instrumentation and Detectors · Physics 2018-05-09 K. Mahata , A. Shrivastava , J. A. Gore , S. K. Pandit , V. V. Parkar , K. Ramachandran , A. Kumar , S. Gupta , P. Patale

DTAS is a segmented total absorption {\gamma}-ray spectrometer developed for the DESPEC experiment at FAIR. It is composed of up to eighteen NaI(Tl) crystals. In this work we study the performance of this detector with laboratory sources…

We present a tunable metal ion beam that delivers controllable ion currents in the picoamp range for testing of dry-phase ion sensors. Ion beams are formed by sequential atomic evaporation and single or multiple electron impact ionization,…

Instrumentation and Detectors · Physics 2023-08-09 K. E. Navarro , B. J. P. Jones , J. Baeza-Rubio , M. Boyd , A. A. Denisenko , F. W. Foss , S. Giri , R. Miller , D. R. Nygren , M. R. Tiscareno , F. J. Samaniego , K. Stogsdill , C. Adams , H. Almazán , V. Álvarez , B. Aparicio , A. I. Aranburu , L. Arazi , I. J. Arnquist , S. Ayet , C. D. R. Azevedo , K. Bailey , F. Ballester , J. M. Benlloch-Rodríguez , F. I. G. M. Borges , S. Bounasser , N. Byrnes , S. Cárcel , J. V. Carrión , S. Cebrián , E. Church , C. A. N. Conde , T. Contreras , F. P. Cossío , E. Dey , G. Díaz , T. Dickel , J. Escada , R. Esteve , A. Fahs , R. Felkai , L. M. P. Fernandes , P. Ferrario , A. L. Ferreira , E. D. C. Freitas , Z. Freixa , J. Generowicz , A. Goldschmidt , J. J. Gómez-Cadenas , R. González , J. Grocott , R. Guenette , J. Haefner , K. Hafidi , J. Hauptman , C. A. O. Henriques , J. A. Hernando Morata , P. Herrero-Gómez , V. Herrero , C. Hervés Carrete , J. Ho , P. Ho , Y. Ifergan , L. Labarga , L. Larizgoitia , P. Lebrun , D. Lopez Gutierrez , N. López-March , R. Madigan , R. D. P. Mano , A. P. Marques , J. Martín-Albo , G. Martínez-Lema , M. Martínez-Vara , Z. E. Meziani , K. Mistry , F. Monrabal , C. M. B. Monteiro , F. J. Mora , J. Muñoz Vidal , P. Novella , A. Nuñez , E. Oblak , M. Odriozola-Gimeno , B. Palmeiro , A. Para , J. Pelegrín , M. Pérez Maneiro , M. Querol , A. B. Redwine , J. Renner , I. Rivilla , J. Rodríguez , C. Rogero , L. Rogers , B. Romeo , C. Romo-Luque , F. P. Santos , J. M. F. dos Santos , A. Simón , M. Sorel , C. Stanford , J. M. R. Teixeira , J. F. Toledo , J. Torrent , A. Usón , J. F. C. A. Veloso , T. T. Vuong , J. Waiton , J. T. White

The Neutral Beam Injectors of the ITER experiment will rely on negative ion sources to produce 16.7 MW beams of H/D particles accelerated at 1 MeV. The prototype of these sources was built and is currently operated in the SPIDER experiment…

‹ Prev 1 2 3 10 Next ›