Name: 8th International symposium on Negative Ions, Beams and Sources - NIBS'22
Start: 2022-10-02T15:00:00+02:00
End: 2022-10-07T18:00:00+02:00
Location: Orto Botanico - Padova, Italy

8th International symposium on Negative Ions, Beams and Sources - NIBS'22

from Sunday, October 2, 2022 (3:00 PM) to Friday, October 7, 2022 (6:00 PM)

Monday, September 26, 2022
Tuesday, September 27, 2022
Wednesday, September 28, 2022
Thursday, September 29, 2022
Friday, September 30, 2022
Saturday, October 1, 2022
Sunday, October 2, 2022

4:00 PM Registration

4:00 PM - 6:00 PM

Monday, October 3, 2022

8:00 AM Registration: Registration
Registration
8:00 AM - 9:00 AM
Room: Foyer

9:00 AM Opening

9:00 AM - 9:20 AM
9:20 AM Oral session 1: Oral session 1
Oral session 1
9:20 AM - 11:00 AM
Room: Auditorium
Contributions

9:20 AM The BO2022 project. For a history of students and graduates of the University of Padova (1222- 20th century) - Cristina LA ROCCA (Università di Padova)

9:50 AM Fundamental processes related to negative ion production of different ion species - Mamiko SASAO (Office of R&D Promotion, Doshisha University)

10:20 AM Stockli: RF (Light) Negative Ion Sources for Non-Fusion Applications, a tutorial - Martin STOCKLI
11:00 AM Coffee Break: Coffee Break
Coffee Break
11:00 AM - 11:20 AM
Room: Columns hall
11:20 AM Oral session 2
11:20 AM - 1:10 PM
Room: Auditorium
Contributions

11:20 AM A review of the NIFS negative-ion based NBI driven with Filament-Arc (FA) discharge - Katsuyoshi TSUMORI

11:50 AM The ITER Neutral Beam Test Facility: status and perspectives - Vanni TOIGO

12:20 PM Towards low divergence beams for the ITER neutral beam injection system - Pierluigi VELTRI (ITER Organization)

12:50 PM A Method of Confirming the Operation of Active Magnetic Compensation Coils on the ITER HNBs - Jamie ZACKS (ITER Organisation)
1:10 PM Lunch

1:10 PM - 2:40 PM
2:40 PM Oral session 3
2:40 PM - 4:40 PM
Room: Auditorium
Contributions

2:40 PM Ultra-low work function of caesiated surfaces and impact of specific hydrogen plasma species - Adrian HEILER

3:10 PM Effect due to Cs injection upon the beam current oscillation extracted from the J-PARC negative hydrogen ion source - Motoi WADA (Doshisha University)

3:30 PM Mach probe diagnostic for determining positive ion fluxes in H$^-$ ion sources - Vinzenz WOLF (AG Experimentelle Plasmaphysik, Universität Augsburg, 86135 Augsburg, DE)

3:50 PM Photoelectric current measurement of plasma grid materials for a compact H- ion source - Mayuko NISHIWAKI

4:20 PM Exploring Cesium and H- beam properties internal to the LANSCE H- Ion Source using Resonant Absorption Spectroscopy and Cavity Ring Down Spectroscopy - David KLEINJAN (Los Alamos National Laboratory)
4:40 PM Coffee Break
Coffee Break
4:40 PM - 5:00 PM
Room: Columns hall

5:05 PM Guided tour to Botanical Garden

5:05 PM - 6:35 PM

6:45 PM Welcome Reception - food and wine

6:45 PM - 9:45 PM
Tuesday, October 4, 2022
8:30 AM Oral session 4
8:30 AM - 10:30 AM
Room: Auditorium
Contributions

8:30 AM Paving the road towards ITER relevant long deuterium pulses at ELISE by investigating improved operational scenarios - Dirk WÜNDERLICH (Max-Planck-Institut für Plasmaphysik)

9:00 AM The negative beam source with single driver for CRAFT NNBI: design and conditioning results - yahong XIE

9:30 AM THE 1MV MITICA POWER SUPPLY BEYOND THE MODERN TECHNOLOGICAL LIMITS: FIRST EXPERIENCE DURING INTEGRATION PHASE - Marco BOLDRIN (Consorzio RFX)

10:00 AM First H- Beam Extracted from the Non-Caesiated External RF-Coil Ion Source at ISIS - Scott LAWRIE (UKRI)
10:30 AM Coffee Break
Coffee Break
10:30 AM - 10:50 AM
Room: Columns hall
10:50 AM Oral session 5
10:50 AM - 1:00 PM
Room: Auditorium
Contributions

10:50 AM Numerical study of RF power coupling in fusion-relevant single- and multi-driver H^- ion sources - Dominikus ZIELKE

11:20 AM SImplified fluid models of radiofrequency and plasma density for NIO1 and design - Marco CAVENAGO (INFN-LNL)

11:50 AM Investigation of spatially resolved plasma parameter and potential distributions at the BATMAN Upgrade ion source - Stefan BRIEFI

12:20 PM Construction of a Filament-RF driven hybrid negative ion source at NIFS - Katsuyoshi TSUMORI
1:00 PM Lunch
Lunch
1:00 PM - 2:30 PM
2:30 PM Oral session 6
2:30 PM - 4:30 PM
Room: Auditorium
Contributions

2:40 PM RF-driven negative ion sources for fusion - Ursel FANTZ

3:10 PM Negative and positive ion density in front of negative ion production surface in large-scaled negative ion source for fusion - Haruhisa NAKANO (National Institute for Fusion Science, National Institutes of Natural Sciences)

3:40 PM Key parameters for the ion velocity distribution at the plasma meniscus of a caesiated negative ion source - Antonio PIMAZZONI

4:10 PM Langmuir-probe measurement in the vicinity of plasma grid aperture of hydrogen negative ion source - engrhyt RATTANAWONGNARA
5:30 PM Poster session 1
5:30 PM - 7:30 PM
Contributions

5:30 PM Summary of caesium evaporation and deposition during SPIDER’s first campaign - Michele FADONE

5:35 PM Effect of plasma grid and bias plate biasing on the SPIDER negative ion beam - matteo AGOSTINI

5:40 PM Comparison among possible design solutions for the Stray Field Shielding System of the DTT Neutral Beam Injector - Fabio VERONESE (Consorzio RFX)

5:45 PM Study on the stitching method of beam target infrared image based on local transformation - yongjian XU (institute of plasma physics, chinese academy of science) liping CHEN (institute of plasma physics, chinese academy of science)

5:55 PM Design and test of a module of a breathable Electrostatic Shield for the MITICA 1 MV negative Ion Beam Source - Giuseppe CHITARIN (University of Padova and Consorzio RFX)

6:00 PM Investigations on Cs dispersion and Mo coating on SPIDER components - Caterina CAVALLINI Valentina CANDELA

6:05 PM Study and development of diagnostic systems to characterise the extraction region in SPIDER - Beatrice SEGALINI

6:10 PM Optimization of a negative oxygen ion beam - Jia HAN (Université de Lausanne)

6:15 PM Observation of beamlet displacement and parallelism in NIO1 - Margherita UGOLETTI Marco CAVENAGO (INFN-LNL)

6:20 PM Numerical and experimental investigations of a microwave interferometer for the negative ion source SPIDER - Riccardo AGNELLO (EPFL - Consorzio RFX)

6:25 PM Drift and non-uniformity mitigation in H- source with Plasma Ion Funnels - Vincenzo VARIALE (Universita e INFN, Bari (IT))

6:30 PM Direct current measurements of the SPIDER beam: a comparison to existing beam diagnostics - Alastair SHEPHERD

6:35 PM Three-dimensional calculations of the inductive coupling between radio-frequency waves and plasma in the drivers of the SPIDER device - Daniel LÓPEZ-BRUNA (Laboratorio Nacional de Fusión, CIEMAT)

6:40 PM Influence of different magnetic configurations on plasma parameters in SPIDER device - Roman ZAGORSKI

6:45 PM Numerical study of the plasma meniscus shape and beam optics in RF negative ion sources - Katsuya HAYASHI (Keio University)

6:50 PM Creating negative ion beams from neutral gases using a negative Hydrogen ion source - Andrew PAUL

6:55 PM Continuous pulse advances in the negative ion source NIO1 - Marco BARBISAN (Consorzio RFX (CNR, ENEA, INFN, Università di Padova, Acciaierie Venete SpA))

7:00 PM Development of a Negative Helium Ion Source with Non-Metallic Charge Exchange - Philip JACKLE (Simon Fraser University)
Wednesday, October 5, 2022
8:30 AM Oral session 7
8:30 AM - 10:20 AM
Room: Auditorium
Contributions

8:30 AM Source Performance Optimization in Cesiated Mode in ROBIN - Kaushal PANDYA (Institute for Plasma Research)

9:00 AM Plasma emission monitored via optical emission spectroscopy during the Cs conditioning at SPIDER - Isabella MARIO

9:20 AM Experimental results of the SPIDER negative ion accelerator in view of the next operations - emanuele SARTORI

9:50 AM Progress in the development of negative ion beam source in Korea - Min PARK (Korea institute of Fusion Energy (KFE))
10:20 AM Coffee Break
Coffee Break
10:20 AM - 10:40 AM
Room: Columns hall
10:40 AM Oral session 8
10:40 AM - 12:40 PM
Room: Auditorium
Contributions

10:40 AM 120 mA Operation of J-PARC Cesiated RF-Driven Hˉ Ion Source - Akira UENO

11:10 AM Over 7200 hours commissioning of RF-driven negative hydrogen ion source developed at CSNS - Weidong CHEN (Institute of High Energy Physics, Chinese Academy of Sciences)

11:40 AM Discoloration of RF antenna coil surface after long-term operation of J-PARC ion source - Takanori SHIBATA (KEK)

12:00 PM Correlation H- beam properties to Cs-coverage - Jacques LETTRY (CERN)
12:40 PM Lunch
Lunch
12:40 PM - 2:10 PM
2:10 PM Oral session 9
2:10 PM - 4:40 PM
Room: Auditorium
Contributions

2:10 PM Caesium Balance of the ISIS H$^-$ Penning Ion Source in Long Pulse Operation - Olli Antero TARVAINEN (STFC Rutherford Appleton Laboratory)

2:40 PM Plasma Electrode Materials for Cs-free Negative hydrogen ion Sources - Mamiko SASAO (Office of R&D Promotion, Doshisha University)

3:10 PM The effect of oxygen impurities on a caesium-covered Mo(001) surface: insights from Molecular Dynamics simulations for negative ion sources. - MARIA RUTIGLIANO (CNR-ISTP (Istituto per la Scienza e Tecnologia dei Plasmi))

3:40 PM Rotational and vibrational temperatures of Hydrogen nonequilibrium plasmas from Fulcher band emission spectra - Domenico BRUNO (ISTP - CNR)

4:10 PM Development and Commissioning of a Hydrogen Ion Source for the CERN ALPHA Experiment - Mark Andrew JOHNSON (Science and Technology Facilities Council - ASTeC)
4:40 PM Coffee Break
Coffee Break
4:40 PM - 5:00 PM
5:00 PM Oral session10
5:00 PM - 7:00 PM
Room: Auditorium
Contributions

5:00 PM Operation and Research Activities on the Three H- Injector Systems at the Spallation Neutron Source - Baoxi HAN

5:30 PM An H- Surface Plasma Source for the ESS Storage Ring - vadim DUDNIKOV (muons, Inc)

5:50 PM Recent H− ion source research and development at the Oak Ridge National Laboratory - Rob WELTON

6:20 PM Increasing the H- output current and Reducing Performance Variations of the SNS H- Source - Martin STOCKLI
8:30 PM Conference Dinner

8:30 PM - 11:30 PM
Room: Sala Rossini
Thursday, October 6, 2022
8:30 AM Poster Session 2
8:30 AM - 11:00 AM
Contributions

8:30 AM Characteristics of co-extracted electrons reduction for the Cs-free negative ion source using TPDsheet-U - Taiga GOKA (Tokai university)

8:35 AM Overview of MITICA diagnostics design and procurement - Roberto PASQUALOTTO (Consorzio RFX)

8:40 AM Energy distribution of fragments in H2 dissociation by electron impact for the use in numerical models - emanuele SARTORI

8:45 AM Characteristics of extracted negative ion beam using electron emitters on the Cs-free negative ion source TPDsheet-U - Ryuichi ONUMA

8:50 AM Development of Cs-injection System for KFE RF hydrogen Negative Ion Beam Source - Byungkeun NA (Korea Institute of Fusion Energy)

8:55 AM Laser Powder Bed Fusion: an innovative production method for creating components and devices for Nuclear Physics - Silvia CANDELA (INFN, CRF) Valentina CANDELA (INFN, CRF)

9:00 AM Effects of different particle injection models on the results of PIC simulation - Hongyu WU (HUST)

9:05 AM The Effect of Beam Chopping on the Emittance Growth of Negative Hydrogen Ion Beam - Hui LI

9:10 AM The impact of neutral beam parameters on current drive and neutron yield in DEMO-FNS - Pierluigi VELTRI (ITER Organization)

9:15 AM Characterization of the Plasma in SPIDER using a Cs-H Collisional Radiative model - Basile POURADIER DUTEIL

9:23 AM Volume and surface effects in Cs-free regimes in NIO1 - Marco CAVENAGO (INFN-LNL)

9:28 AM Work Function Measurements in BATMAN Upgrade using LEDs Revealing Remarkably Low Values - Jacob M BERNER

9:33 AM H- Beam formation simulation in negative ion source for CERN’s Linac4 accelerator - Anna VNUCHENKO (CERN)

9:38 AM USE OF ELECTRICAL MEASUREMENTS FOR NON-INVASIVE ESTIMATION OF PLASMA ELECTRON DENSITY INSIDE THE DRIVER OF SPIDER - Palak JAIN (Consorzio RFX)

9:43 AM Spider plasma emission between 300 nm and 900 nm in different operative conditions - Barbara ZANIOL (Consorzio RFX)

9:48 AM Highly electronegative plasma conditions in the SPIDER negative ion source - Carlo POGGI emanuele SARTORI (unipd)

9:53 AM Study of the relationship between the source complexity and the beam divergence and homogeneity in SPIDER - Margherita UGOLETTI

9:58 AM Preliminary design of tungsten wire calorimeter for CRAFT NNBI - ling YU (institute of plasma physics, chinese academy of science)

10:03 AM Laser-assisted negative ion production in caesium sputter ion source - Akbar HOSSAIN (University of Jyväskylä)
1:00 PM Excursion

1:00 PM - 8:30 PM
Friday, October 7, 2022

8:00 AM Bus transfer
Bus transfer
8:00 AM - 8:30 AM
8:30 AM Oral session 11
8:30 AM - 10:30 AM
Room: Teaching Room 3rd floor
Contributions

8:30 AM Repercussions of the magnetic filter field and the extraction aperture configurations on the negative ion beam properties: insights from a Particle-In-Cell model. - gwenael FUBIANI (CNRS)

9:00 AM Study of plasma meniscus including the surface produced negative ions by using PIC-MCC simulation - Kenji MIYAMOTO

9:30 AM Dynamic responses of negative ion meniscus to externally applied RF field - Kenichi NAGAOKA (National Institute for Fusion Science)

10:00 AM BATMAN Upgrade: general results from beam optics studies - Christian WIMMER (Max-Planck-Inst. f. Plasmaphysik)
10:30 AM Coffee Break
Coffee Break
10:30 AM - 10:50 AM
10:50 AM Oral session 12
10:50 AM - 1:20 PM
Room: Teaching Room 3rd floor
Contributions

10:50 AM Simple beam energy recovery as alternative to Residual Ion dump in Neutral Ion Beam Injections - Vincenzo VARIALE (Universita e INFN, Bari (IT))

11:20 AM Utilization of Compact ECR plasma source for large area H- ion production - Shweta SHARMA

11:50 AM Experimental Characterization and Theoretical Studies of ECR Produced Hydrogen Plasma Ion Beams - Priti SINGH (Department of Energy Science and Engineering, Indian Institute of Technology Delhi) RAMESH NARAYANAN (Department of Energy Science and Engineering, Indian Institute of Technology Delhi, India)

12:20 PM Photo-assisted Cl-, Br- and I- production in cesium sputter ion source - Akbar HOSSAIN (University of Jyväskylä)
12:50 PM Lunch
Lunch
12:50 PM - 1:50 PM

1:50 PM Closing

1:50 PM - 2:50 PM
Room: Teaching room 3rd floor

2:50 PM Guided visit to RFX and NBTF

2:50 PM - 4:50 PM

4:50 PM Bus transfer to Padova downtown
Bus transfer to Padova downtown
4:50 PM - 5:20 PM