The 7th International symposium on Negative Ions, Beams and Sources (NIBS'20)

from Tuesday, 1 September 2020 (08:00) to Friday, 11 September 2020 (13:20)


        : Sessions
    /     : Talks
        : Breaks
1 Sep 2020
2 Sep 2020
3 Sep 2020
4 Sep 2020
8 Sep 2020
9 Sep 2020
10 Sep 2020
AM
08:00
NIBS'20 Opening and Tutorial Lectures. Zoom session – https://ukri.zoom.us/j/98485745248 -Prof. Yasuhiko Takeiri (National Institute for Fusion Science) Dr Dan Faircloth (STFC) Prof. Yuri Belchenko (Budker Institute of Nuclear Physics) (until 10:20) ()
08:00 NIBS2020 Opening - Prof. Yasuhiko Takeiri (National Institute for Fusion Science) Dr Dan Faircloth (STFC) Yuri Belchenko (Institute of Nuclear Physics)   ()
08:15 Negative ion source fundamentals - Prof. Motoi Wada (Doshisha University)   ()
08:45 Ion source technologies for accelerators - Dr Dan Faircloth (STFC)   ()
09:15 Ion source technologies for fusion - Prof. Ursel Fantz (Max-Planck-Institut fuer Plasmaphysik)   ()
09:45 Extraction of negative ions - Dr Scott Lawrie (STFC ISIS Neutron Source)   ()
05:00
H– and D– sources for fusion: Oral session O1 -Prof. Yuri Belchenko (Institute of Nuclear Physics) Prof. Motoi Wada (Doshisha University) (until 09:00) ()
05:00 Initial results of a plasma grid comparison experiment between NIFS and ITER-like types at BATMAN Upgrade - Haruhisa Nakano (National Institute for Fusion Science, National Institutes of Natural Sciences)   ()
05:20 Validation of the Distribution of Stripping Loss Neutrals in the Accelerator of the Negative Ion Source - Katsunori Ikeda (National Institute for Fusion Science)   ()
05:40 Different characteristics of plasma meniscus formation between positive and negative beam extraction - Prof. Kenichi Nagaoka (National Institute for Fusion Science/Nagoya University)   ()
06:00 Development of the directional Langmuir probe for the charged particle flow measurement - Shingo Masaki (National Institute for Fusion Science)   ()
06:20 Profile of the LHD negative ion beam source at the plasma meniscus from numerical beam calculation based on experimental onservation - Jelle Slief (Eindhoven University of Technology)   ()
06:40 Damage to N-NBI systems due to positive ion back-streaming - Prof. Motoi Wada (Doshisha University)   ()
07:00 --- Coffee break ---
07:20 Research activities of RF based negative ion source in the ASIPP - Prof. Yuanlai Xie (ASIPP) Yahong Xie (Institute of plasma physics, Chinese academy of sciences)   ()
07:40 Beam Extraction and Optics of 200keV beam accelerator for neutral beam injection in China - Ms Fei Song (Huazhong University of Science and Technology)   ()
08:00 Development of External RF Antenna based Cusp Free High Duty Factor Pulsed Negative Hydrogen Ion Source - Dr Dharmraj Ghodke (Raja Ramanna Centre for Advanced Technology)   ()
08:20 Probe for in situ measurement of work function and cesium dynamics - Pranjal Singh (Institute for Plasma Research, Gandhinagar)   ()
08:40 Correction algorithm for cavity ring down based anion density measurement in a negative ion source having continuously fed cesium vapour - Mr Debrup Mukhopadhyay (Institute for plasma research)   ()
08:00
O2 -Dr Gianluigi Serianni (Consorzio RFX) Prof. Ursel Fantz (Max-Planck-Institut fuer Plasmaphysik) (until 12:20) ()
08:00 Are resonance phenomena creating instabilities in the magnetic filter region in a low-temperature plasma? - Miral Shah (DA-IICT, Gandhinagar)   ()
08:20 Experimental results of 40kW, 1 MHz Solid State High Frequency Power Supply with Inductively Coupled Plasma - Mr Sandip Gajjar (ITER-India, Inst. for Plasma Research)   ()
08:40 High-intensity polarized and un-polarized H- sources and injector development at BNL - Dr Anatoli Zelenski (BNL)   ()
09:00 BTR code for NBI Design and Optimization - Mrs Eugenia Dlougach (NRC Kurchatov Institute Russia)   ()
09:20 Investigation of the negative ionization of hydrogen particles on metal surfaces with low work function - Dr Ivan Gainullin (Faculty of Physics, Moscow State University)   ()
09:40 Numerical modeling of the electrons confinement in the multicusp magnetic trap - Mr Viktor Klenov (INR)   ()
10:00 --- Coffee break ---
10:20 Impact of operational parameters on single beamlet deflection in a negative ion source for NBI applications - Andrew Hurlbatt (Max-Planck-Institut für Plasmaphysik)   ()
10:40 Transferring knowledge gained for pulsed extraction at the ELISE test facility to ITER-relevant CW extraction - Dirk Wünderlich (Max Planck-Institut für Plasmaphysik)   ()
11:00 First operation of SPIDER and 1MV integrated power test in MITICA - Diego Marcuzzi (Consorzio RFX)   ()
11:20 Controlling the Shape of the ISIS H- Penning Ion Source Beam Pulse - Tiago Morais Sarmento (Isis Neutron Source)   ()
11:40 Experiments on Photo-Assisted O$^-$ and Al$^-$ Production with a Cesium Sputter Ion Source - Olli Tarvainen (STFC Rutherford Appleton Laboratory)   ()
02:00
P2 -Dr Zhimin Liu (a) Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; b) University of Science and Technology of China, Hefei 230026, China) Prof. Mahendrajit Singh (ITER-India, Inst. for Plasma Research) (until 06:00) ()
02:00 Electrostatic Simulation and Analysis of Transmission Line Corner Section for the CFETR NNBI test platform - Dr Rixin Wang (Institute of Plasma Physics, Chinese Academy of Sciences;University of Science and Technology of China)   ()
02:00 Extraction of Negative Hydrogen Ions through a Plasma Electrode Covered by a Ta or Ti Foil - Mr Kenta Maeshiro (Graduate School of Science and Engineering, Doshisha University)   ()
02:00 Improvements of stable negative ion production for long pulse beam operation toward the negative ion source for JT-60SA - Masahiro Ichikawa (National Institutes for Quantum and Radiological Science and Technology)   ()
02:00 Ion time-of-flight signals from nanosecond laser ablation plasmas excited in constricted cavities - James Edward Hernandez (Doshisha University)   ()
02:00 Measurements of work function and negative Ion spectra from C12A7 electride immersed in a hydrogen plasma. - Mamiko SASAO (Doshisha University)   ()
02:00 Plasma Electrode Shape Suitable for Negative Hydrogen Ion Production - Keita Bito (Graduate School of Science and Engineering, Doshisha University)   ()
02:00 Some technical verification on infra-red temperature measurement - Mr Chao Shi (Science Island Branch, Graduate School of University of Science and Technology of China)   ()
02:00 Study of the multi-driver decoupling model of RF negative ion sources - Dr Yahong Xie (a) Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; b) University of Science and Technology of China, Hefei 230026, China) Ms Na Wang (a) Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; b) University of Science and Technology of China, Hefei 230026, China) Dr Zhimin Liu (a) Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; b) University of Science and Technology of China, Hefei 230026, China)   ()
02:00 The Cs-free Negative Hydrogen Ion Source Project at KAERI: A New Concept Multi-Pulsed Ion Source - Dr Sung-Ryul Huh (Korea Atomic Energy Research Institute)   ()
02:00 Transport of a negative ion beam through a hydrogen plasma - Enrique Henestroza (Los Alamos National Laboratory)   ()
02:00 Velocity distribution functions of hydrogen atoms in ion source discharges - Mr Tatsuhiro Tokai (Graduate School of Science and Engineering, Doshisha University, Kyotanabe, Kyoto Japan.Graduate School of Science and Engineering, Doshisha University, Kyotanabe, Kyoto Japan.)   ()
01:00
O4 -Prof. Katsuyoshi Tsumori (National Institute for Fusion Science) Prof. Mamiko Sasao (Doshisha University) (until 05:00) ()
01:00 110 mA Operation of J-PARC Cesiated RF-Driven Hˉ Ion Source - Akira UENO (J-PARC)   ()
01:20 High-speed Emittance Measurements for Beams Extracted from J-PARC RF Ion Source - Takanori Shibata (J-PARC)   ()
01:40 Primary electron analysis to improve the negative ion uniformity toward ITER-class long pulse and high power negative ion sources - Yuji Shimabukuro (National Institute for Quantum and Radiological Science and Technology)   ()
02:00 Issues in the measured values of Langmuir and photo-detachment probes measuring Cs-seeded plasmas - Prof. Katsuyoshi Tsumori (National Institute for Fusion Science)   ()
02:20 Steady-state charge-exchange ion source of 10 mA H- beam - Igor Shikhovtsev (Budker Institute of Nuclear Physics of Siberian Branch Russian Academy of Sciences)   ()
02:40 --- Coffee break ---
03:00 Recent Achievements in Studies of Negative Beam Formation and Acceleration in the Tandem Accelerator at Budker Institute - Andrey Sanin (Budker Institute of Nuclear Physics)   ()
03:20 Negative Ion Beam Acceleration and Transport in the HV injector prototype - Dr Oleg Sotnikov (Budker Institute of Nuclear Physics)   ()
03:40 Noise Mitigation Techniques in Thermocouple signals in Negative ion sources with RF and HV transients - Himanshu Tyagi (ITER-India, IPR)   ()
04:00 Prediction of negative hydrogen ion density in permanent magnet-based helicon ion source (HELEN) using deep learning techniques - Mr Vipin Shukla (PANDIT DEENDAYAL PETROLEUM UNIVERSITY)   ()
04:20 Design of FPGA based Triggering and Synchronization System (TSS) for Laser Photo Detachment diagnostic in ROBIN - Mr Himanshu Tyagi (ITER-India, Inst. for Plasma Research)   ()
08:00
P3 (until 10:00) ()
08:00 Analysis of plasma characteristics of high-power radio frequency negative ion source based on Langmuir probe - Dr Yongjian Xu (Institute of Plasma Physics, Chinese Academy of Sciences)   ()
08:00 Analysis of the DEMO-FNS magnetic field passive reduction and neutral beam injectors shielding methods - Sergey Ananyev (NRC Kurchatov institute (НИЦ Курчатовский институт))   ()
08:00 BTR Application for Beam Slowing-down Analysis - Mrs Eugenia Dlougach (NRC Kurchatov Institute, Russia)   ()
08:00 BTR code Recent Modifications for Multi-Run Operation - Eugenia Dlougach (RRC "Kurchatov Institute")   ()
08:00 Design of gas flow control of RF negative hydrogen ion source based on ASIPP NBI test facility - Dr Jinxin Wang   ()
08:00 Estimation of inter conductor stray capacitance for HV dc transmission line of negative neutral beam injector - Vishnudev M N (ITER India, Institute for Plasma Research)   ()
08:00 Hydrogen negative ion beam extraction with Cs - Min Park (National Fusion Research Institute (NFRI))   ()
08:00 Recent progress in the RF Hydrogen Negative Ion Source in NFRI - Dr Byungkeun Na (National Fusion Research Institute)   ()
08:00 Study of population dynamics of excited atomic hydrogen in negative hydrogen ion sources base on collisional radiative model - Zengshan Li   ()
08:00 Study of response of negative ion beam to bias voltage in phase space - Masashi Kisaki (National Institute for Fusion Science)   ()
10:00 --- Coffee break ---
10:20
O5 (until 11:20) ()
10:20 NIBS'20 Award Lecture - Mieko Kashiwagi and QST N-NBI Team   ()
10:40 NIBS'20 Summary   ()
11:00 Welcome to NIBS'22   ()
PM
15:00
H– sources for accelerators: Oral session O3 -Dr Dan Faircloth (STFC) Dr Jacques lettry (CERN) (until 17:00) ()
15:00 H- Ion Source Research and Development at the Oak Ridge National Laboratory - Dr Robert Welton (Oak Ridge National Laboratory)   ()
15:20 Recent performance of the SNS H- ion source with a record long run - Baoxi Han (Oak Ridge National Laboratory)   ()
15:40 Interface Boundary Conditions for Global Models of Multi-Chamber Negative Hydrogen Ion Sources* - Sergey Averkin (Tech-X Corp)   ()
16:00 IMPROVING OF THE CONVERTER SURFACE PLASMA SOURCES. - Prof. Vadim Dudnikov (Muons, Inc)   ()
16:20 Quantifying the Cesium and H- Densities Inside the LANSCE H- Ion Source with Laser Absorption Techniques - David Kleinjan (Los Alamos National Laboratory)   ()
16:40 Modeling filaments in H- ion source from the first principles - Nikolai Yampolsky (Los Alamos Natonal Laboratory)   ()
17:00 --- Coffee break ---
17:30
P1 -Dr Jacques lettry (CERN) Dr Dan Faircloth (STFC) (until 19:30) ()
17:30 Operational experience with the ELENA Ion Source - Davide Gamba (CERN)   ()
17:30 Reference Sheets - Tiago Morais Sarmento (Isis Neutron Source)   ()
17:30 Vacuum Pressure Considerations on the Performance and Lifetime of Penning Ion Sources - Dr Scott Lawrie (STFC ISIS Neutron Source)   ()
17:30 Work function behavior of C12A7 electride materials in low temperature hydrogen plasmas - Mr Adrian Heiler (Max-Planck-Institut fuer Plasmaphysik)   ()