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Tuesday, April 28, 2020 | History

6 edition of Production and Neutralization of Negative Ion Beams found in the catalog.

Production and Neutralization of Negative Ion Beams

  • 102 Want to read
  • 25 Currently reading

Published by American Institute of Physics .
Written in English

    Subjects:
  • Atomic & molecular physics,
  • Particle & high-energy physics,
  • Particle Physics,
  • Optics,
  • Science,
  • Science/Mathematics,
  • Plasma (Ionized gases),
  • Nuclear Physics,
  • Science / Nuclear Physics,
  • Hydrogen ions,
  • Anions,
  • Congresses,
  • Ion sources

  • Edition Notes

    AIP Conference Proceedings

    The Physical Object
    FormatHardcover
    Number of Pages815
    ID Numbers
    Open LibraryOL8179983M
    ISBN 100883187752
    ISBN 109780883187753

    Author: Wünderlich, D. et al.; Genre: Book Chapter; Published in Print: ; Open Access; Keywords: 11th International Symposium on the Production and Neutralization of Negative Ions and Beams, Santa Fe, NM, to ; Title: Influence of Magnetic Fields and Biasing on the Plasma of a RF Driven Negative Ion SourceCited by: Focused beams of ions have a wide range of uses, from nanoscale imaging to the fabrication of nanomaterials. We are developing novel cold-atom based ion sources to go beyond the capabilities of existing beam production techniques. This new approach uses photoionization of laser-cooled neutral atoms to produce highly focused ion beams with narrow energy spreads. an ion beam, then kis = (1 - kb) is the part of Ca which is left inside the ion source. So, the equation for E tot can be written as: 1- k;s ceol Creg where Ecol and Ereg are the colIection efficiency and the regeneration efficiency of Ca, A is the part of Ca 6 + ions in the Ca ion beam. Facilities and methods for radioactive ion beam production Y Blumenfeld, T Nilsson and P Van Duppen-The Holifield Radioactive Ion Beam Facility at the Oak Ridge National Laboratory: Present status and future plans G D Alton and J R Beene-This content was downloaded from IP address on 28/09/ at Cited by: 2.


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Production and Neutralization of Negative Ion Beams by Hershcovitch Download PDF EPUB FB2

Buy Production and Neutralization of Negative Ions and Beams: 11th International Symposium on the Production and Neutralization of Negative Ions and Beams / Accelerators, Beams, and Instrumentations) on FREE SHIPPING on qualified orders. Buy Production and Neutralization of Negative Ions and Beams: 10th International Symposium on Production and Neutralization of Negative Ions and Beams / Accelerators, Beams, and Instrumentations) on FREE SHIPPING on qualified orders.

Negative Ion Beams from Compact Surface Plasma Sources and their Merits for New Applications S. Guharay Production and Control of ECR Plasmas for Negative Ion Sources O. Fukumasa, N. Tsuda The DESY RF Driven H(superscript -) Volume Source J. Peters Multi-Stage, Multi-Aperture Electrostatic Accelerator for H(superscript -) BeamsBrand: Claude Jacquot.

Free Online Library: Production and neutralization of negative ions and beams; proceedings.(PHYSICS, Brief Article, Book Review) by "SciTech Book News"; Publishing industry Library and information science Science and technology, general Books Book reviews.

Get this from a library. Production and neutralization of negative ions and beams: Fourth International Symposium, Brookhaven, NY [James G Alessi;]. Production and neutralization of negative ions and beams: (3rd int'l symposium, Brookhaven, ).

September, 20 th. Photogallery from the Symposium now available. The 6th International symposium NIBS'18 (Negative Ions, Beams and Sources) was Production and Neutralization of Negative Ion Beams book on September, and hosted by the Budker Institute of Nuclear Physics SB RAS and Novosibirsk State symposium was focused on the various aspects of the production and use of negative ions.

Buy Production and Neutralization of Negative Production and Neutralization of Negative Ion Beams book and Beams: 10th International Symposium on Production and Neutralization of Negative Ions and Beams / Accelerators, Beams, and Instrumentations) by Sherman, Joseph D., Belchenko, Yuri I.

(ISBN: ) from Amazon's Book Store. Everyday low prices and free delivery on eligible Format: Hardcover. The original focus of the symposium, when it began inas The Symposium on Production and Neutralization of Negative Ions and Beams was on accelerator and fusion applications. The current form of the symposium welcomes contributions on any aspect of the use of negative ions in basic or applied research.

Summary of this volume: The Sixth International Symposium on Negative Ions, Beams and Sources (NIBS ) continued a series of events that began in The symposium program included basic research and applied technology in the fields of negative ions, negative ion beams, and negative ion sources and was addressed to the wider negative ion.

The use of the criterion makes it possible to select an optically active medium for a negative ion neutralization. To demonstrate the method media containing hydrobalogens as imitating molecules are taken.

Introduction As is known the process of photoionization can be used for neutralization of negative ion beams [].Author: A.R. Karimov. In the patent application [1] it was stated: "a method of negative ion production in gas discharges, comprising adding to the discharge Production and Neutralization of Negative Ion Beams book admixture of substance with a low ionization potential Author: Vadim Dudnikov.

For effectively neutralization of the powerful negative ions beams of hydrogen and deuterium the photon target is considered in long time.

The attractiveness of the traditional approach (Fabry. The total Production and Neutralization of Negative Ion Beams book thickness is S=Nr-S!=Nr-T 1 - R M P, l N rc - window -gain medium vacuum wall (5) Fig.

2 Scheme of neutralizer for ITER injector. 1-R w Laser Neutralizer of the Production and Neutralization of Negative Ion Beams book Hydrogen Ion Beams The power density in i-spot on the mirror counting forward and backward passes of the beam is Ö÷= (R * + R N 2l W-P c i/(wd) (11 Cited by: 1.

ion beam potential is sufficient to produce neutralization arcs, the departure from equal numbers of electrons and ions in each volume would be small. Ion-Beam Neutralization Staff of Kaufman & Robinson, Inc. Kaufman & Robinson, Inc. The Ion Beam Authoritysm Technical Note KRIFile Size: 89KB.

@article{osti_, title = {Plasma neutralizers for H/sup -/ or D/sup -/ beams}, author = {Berkner, K H and Pyle, R V and Savas, S E and Stalder, K R}, abstractNote = {Plasma neutralizers can produce higher conversion efficiencies than are obtainable with gas neutralizers for the production of high-energy neutral beams from negative hydrogen ions.

Production Mechanisms –High Energy Fragmentation (used at NSCL, GSI, RIKEN, GANIL, FRIB) o Projectile fragmentation of high energy (>50 MeV/A) heavy ions o Target fragmentation with high energy massive ion. Spallation (ISOLDE, TRIUMF-ISAC, EURISOL, SPES, )o Name comes from spalling or cracking-off of target pieces.

o Major ISOL mechanisms, e.g. 11Li File Size: 6MB. was formerly named "Symposium on Production and Neutralization of Negative Ions and Beams (PNNIB)". It was started in for hydrogen negative ions and beams for fusion and accelerator applications.

The symposium has evolved to include other ion species and applications, and for further development the name of the symposium has been changed. An ion beam is a type of charged particle beam consisting of beams have many uses in electronics manufacturing (principally ion implantation) and other industries.A variety of ion beam sources exists, some derived from the mercury vapor thrusters developed by NASA in the s.

The most common ion beams are of singly-charged ions. Negative hydrogen ion beams have numerous applications. They are necessary for producing beams of energetic neutral atoms, which are important in magnetic fusion for heating, fueling, and current drive.

Accelerators also need negative ion beams since charge exchange injection and extraction are more efficient than other by: @article{osti_, title = {Negative ions as a source of low energy neutral beams}, author = {Fink, J H}, abstractNote = {Little consideration has been given to the impact of recent developments in negative ion source technology on the design of low energy neutral beam injectors.

However, negative ion sources of improved operating efficiency, higher gas Author: J.H. Fink. A plasma neutralization efficiency of high-energy negative ion beams was measured in a practical neutralizer with substantial dimensions and compared with a gas neutralization efficiency for fusion application.

Hydrogen negative ion beams of keV, 4 mA were neutralized with hydrogen and argon arc plasmas in the plasma neutralizer of 2 m in Cited by:   P.W.

Allison, Experiments with a Dudnikov type H- ion source, in Proc. Symp. on the Production and Neutralization of Negative Hydrogen Ions and Beams, Upton, New York, 26–30 SeptBrookhaven National Laboratory report BNL (), p.

Author: Vadim Dudnikov. Cesium catalysis, considerable acceleration of negative ion production in a gas discharge by injecting a small admixture of cesium or other substances with low ionization potential (for example, the first or the second group elements), is used now very widely in ion sources.

The cesium injection turns on the catalysis of negative ion production on the electrodes surface, Cited by: REVIEW ARTICLE NEGATIVE HYDROGEN ION BEAMS A. HOLMES AEA Tcchnology, Culham Laboratory, Abingdon, Onon OX14 3DB, U.K (RmiurrlX July ; and in 13 Septenrhcr I) Abstract-A description is presented of the developmeill of H- and D- sourccs for ncutrsl bcam heating on thc next generation Tokamaks such as NET or ITER.

The Particle Tracking Code BBCNI for Negative Ion Beams and its Application to BATMAN Upgrade. Slides. A plasma target for neutralization of the negative ion beam. Negative-ion production study on nanoporous 12CaO.7Al2O3. In order to improve the spatial uniformity of the negative ion beam and to produce high current negative ion beams in a large negative ion source, a magnetic field configuration is modified from an original transverse filter to a tent-shaped filter, in combination with reducing the magnetic field strength in the JT negative ion source.

COMSOL Conference Milan, October Negative Ion Beams and Secondary Beams M. Cavenago 1, 2, 2,ni 2, netti 2 1 1 INFN, Laboratori nazionali di Legnaro, Legnaro, Italy 2 Consorzio RFX, Euratom-Enea association for Fusion, Padova, Italy Presented at the COMSOL Conference Milan.

The ITER negative ion source and accelerator are required to produce D-ion beams of 40 A (current density: A/m 2) from a large extraction area of x m 2, and then to accelerate up to 1 MeV to inject the neutral beams of MW into the ITER plasma.

Title: Production of Neutral Beams from Negative Ion Beam Systems in the USSR Author: Nikita Wells Subject: examines (1) Soviet research on the formation of intense, high-energy neutral particle beams and the associated investigation of charge exchange and beam stripping, and (2) the deployment in the USSR of high-intensity negative ion sources of the.«|.

Generation of Fast Neutral Beams by Ion Neutralization in High-Aspect-Ratio Holes: A Particle-in-Cell Simulation Study Sang Ki Nam, Demetre J. Economou, and Vincent M. Donnelly Abstract—In this paper, a particle-in-cell simulation of ion and neutral-beam extraction through a grid with high-aspect-ratio holes in contact with plasma was Size: KB.

Symposium for Production and Neutralization of Hydrogen Negative Ion and Beam, [7] Requirements Workshop, Gaithersburg, Maryland, Conf, [8] K. Dagenhart et al., BNLp.

in Proc. of the Second International Symposium on the Production and Neutralization of Negative Hydrogen Ions and Beams, negative ions than capture of free electrons by neutral atoms (ref.

Second, direct observation of the N- ion has been reported by Fogel', Kozlov, and Kalmykov (see ref. 4), who measured a cross section of approx- imately cm for the reaction N+ to N' in lmypton at an N+ beam energy of 34 keV. An independent observation of the N- ion at a lower primary.

The original focus of the symposium, when it began inas The Symposium on Production and Neutralization of Negative Ions and Beams was on accelerator and fusion applications. The current form of the symposium welcomes contributions on any aspect of the use of negative ions in basic or applied research.

system was optimized for low energy beam production and efficient space charge neutralization. An ion beam with emission current density up to 60 mA/cm2 has been extracted from discharge in BF 3 gas. Introduction A review of ion sources development for ion implantation and isotope separation was presented in book [1].Author: V Dudnikov, G Dudnikova, A Dudnikov.

The history of negative ion beams is already several decades long and their field of use is still growing, Bacal M and Wada M Negative hydrogen ion production mechanisms Appl. Phys. Rev. 2 Surrey E Space charge neutralization in the ITER negative ion beams AIP Conf.

Proc. Crossref Google Scholar. negative ion sources requires precise and ver-satile simulation tools to predict the emit-tance of the extracted ion beams and the heat load on the electrodes (mainly due to primary electrons and secondary ions). A rst tool is a determination of the plasma beam interface (a thin sheath, that is a layer of charged plasma, usually called also menis.

International Symposiums for Production and Neutralization of Negative Ions and Beams has been established [12]. Now the Surface Plasma Method of negative ion production and SPS are considered in many books (see for example book [13]).

Good reviews of SPS for accelerators were presented in reports of Peters [14]. Carbon-ion beams induce production of an immune mediator protein, high mobility group box 1, at levels comparable with X-ray irradiation Yuya Yoshimoto, 1 Takahiro Oike, 1, † Noriyuki Okonogi, 1, † Yoshiyuki Suzuki, 1, 2, * Ken Ando, 1 Hiro Sato, 1 Shin-ei Noda, 1 Mayu Isono, 3 Kousaku Mimura, 4 Koji Kono, 4 and Takashi Nakano 1Cited by: Negative Ion Beam Heating (Report on the IAEA Technical Committee Meeting, Culham Laboratory, July ) M.P.S.

Nightingale-Negative ion based neutral beam injectors Y. Ohara and Y. Okumura-Negative hydrogen ion beams A J T Holmes-This content was downloaded from IP address on 17/01/ at.

Development of the Pdf Pulse Negative Ion Source for ITER. In J. D. Sherman, & Y. I. Belchenko (Eds.), Production and Neutralization of Negative Ions and Beams: Tenth International Symposium on the Production and Neutralization of Negative Ions and Beams (pp.

). Melville, NY: American Institute of by: 7.The effects of the magnetic field on the negative ion (H-) extraction in a negative ion source have been studied by means of a two-dimensional electrostatic particle simulation.A particle-in-cell (PIC) model is used which simulates the motion of the Cited by: 5.Ion beam ebook ("IBA") is an important family of modern analytical techniques involving ebook use of MeV ion beams to probe the composition and obtain elemental depth profiles in the near-surface layer of solids.

All IBA methods are highly sensitive and allow the detection of elements in the sub-monolayer range. The depth resolution is typically in the range of a few nanometers to .