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ion-source

 
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MOZAPA01 Approaches to High Intensities for FAIR ion, rfq, heavy-ion, UNILAC 24
 
  • P.J. Spiller, W. Barth, L.A. Dahl, H. Eickhoff, R. Hollinger, P.S. Spaedtke
    GSI, Darmstadt
  A new accelerator complex is planned to generate highest intensities of heavy ion and proton beams for the Facility for Antiproton and Ion Research (FAIR) at GSI. The two new synchrotrons, SIS100 and SIS300 which deliver the primary beams to the FAIR target stations, will make use of the existing GSI accelerators UNILAC and SIS18 as injectors. In order to reach the desired intensities close to 1012 uranium ions and 2.5 x 1013 protons per pulse, a substantial upgrade program of the existing facility is being prepared. The well defined technical subprojects of these upgrade programs and the concepts for approaching the intensity goals of SIS100/300 will be described.  
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MOPCH112 The RAL Front End Test Stand rfq, ion, linac, emittance 303
 
  • A.P. Letchford, M.A. Clarke-Gayther, D.C. Faircloth, D.C. Plostinar, J.K. Pozimski
    CCLRC/RAL, Chilton, Didcot, Oxon
  • J.J. Back
    University of Warwick, Coventry
  • Y.A. Cheng, S. Jolly, A. Kurup, P. Savage
    Imperial College of Science and Technology, Department of Physics, London
  High power proton accelerators (HPPAs) with beam powers in the megawatt range have many possible applications including drivers for spallation neutron sources, neutrino factories, waste transmuters and tritium production facilities. These applications typically propose beam powers of 5 MW or more compared to the highest beam power achieved from a pulsed proton accelerator in routine operation of 0.16 MW at ISIS. The UK's commitment to the development of the next generation of HPPAs is demonstrated by a test stand being constructed in collaboration between RAL, Imperial College London and the University of Warwick. The aim of the RAL Front End Test Stand is to demonstrate that chopped low energy beams of high quality can be produced and is intended to allow generic experiments exploring a variety of operational regimes. This paper describes the status of the RAL Front End Test Stand which consists of five main components: a 60 mA H- ion source, a low energy beam transport, a 324 MHz Radio Frequency Quadrupole accelerator, a high speed beam chopper and a comprehensive suite of diagnostics. The aim is to demonstrate production of a 60 mA, 2 ms, 50 pps, chopped H- beam at 3 MeV.  
 
TUPCH037 Development of Emittance Scanner Software for ISIS emittance, controls, ion, target 1085
 
  • C.M. Thomas, D.C. Faircloth
    CCLRC/RAL/ISIS, Chilton, Didcot, Oxon
  Horizontal and vertical Faraday cup and slit scanners are used on ISIS, the 800MeV pulsed neutron source at the Rutherford Appleton Laboratory, to calculate the emittance of the beam. Software has been written in C++ to control the scanners, acquire and display beam data and compute an emittance value for the beam. The software allows the user more control, and has the ability to scan over a wider range, than was previously available.  
 
TUPLS028 An Irradiation System for Carbon Stripper Foils with 750 keV H- Beams target, ion, KEK, linac 1550
 
  • A. Takagi, Y. Arakida, Z. Igarashi, K.I. Ikegami, C. Kubota, I. Sugai, Y. Takeda
    KEK, Ibaraki
  • S. Dairaku, N. Saito, A. Sato, K. Senzaki
    Kyoto University, Kyoto
  • Y. Irie
    JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken
  Carbon stripper foils of around 300 ug/cm2 will be used as a stripping of H-ion beam of the 3 GeV Rapid Cycling Synchrotron in the J-PARC. The foil should have a long lifetime with mechanically strong against high temperature of 1800K due to high-energy deposition by high intensity H-ion and circulating bunched proton beam irradiations. For this purpose, we have installed a new irradiation system using high intensity pulsed and dc H-beams of the KEK 750keV Cocksfoot-Walton accelerator. By adjusting the peak intensity and the pulse length of the hydrogen beams appropriately, the energy deposition becomes equivalent to that exerted by the incoming H- and the circulating beams at the injection process of the RCS. The new irradiation system and some preliminary results of the carbon stripper foil will be reported.  
 
TUPLS032 Superconducting Driver Linac for the New Spiral 2 Radioactive Ion Beam Facility GANIL ion, rfq, linac, heavy-ion 1559
 
  • T. Junquera
    IPN, Orsay
  The new Spiral 2 facility will deliver high intensity rare isotope beams for fundamental research in nuclear physics, and high neutron flux for multidisciplinary applications. Based into the ISOL and in-flight isotope production methods this facility will cover broad areas of the nuclide chart. The driver accelerator must deliver CW beams of deuterons (40 MeV, 5 mA) and heavy ions (q/A=1/3, 15 MeV/A, 1 mA). The injector is composed of two ion sources (deuterons and heavy ions) and a common RFQ cavity (88 MHz). The Superconducting Linac is composed of two sections of Quarter Wave Resonators (beta 0.07 and 0.12, frequency 88 MHz) with room temperature focusing devices. After two years of preliminary study, and following the recent decision to launch the construction phase, a complete design of the Driver Accelerator is presently completed. Important results have been obtained during the initial R&D phase, in particular on ion sources, RFQ and superconducting resonators prototypes. Status report on both the design and the prototype performances will be given in this contribution.  
 
TUPLS033 First Stage of a 40 MeV Proton Deuteron Accelerator Commissioning Results ion, rfq, proton, linac 1562
 
  • C. Piel, K. Dunkel, M. Pekeler, H. Vogel, P. vom Stein
    ACCEL, Bergisch Gladbach
  In 2006 the first stage of a 40MeV superconducting linear accelerator for protons and deuterons will be commissioned at SOREQ. This paper will present commissioning of the ECR source after final assembly. First results of the 1.5MeV/u cw RFQ are expected, further test results of the beta=0.09 half wave superconducting resonators are presented, and resonator geometry improvements with respect to electron multipacting behaviour will be discussed. An outlook on the project with respect to achieve the final energy of 40MeV will be given.  
 
TUPLS034 UNILAC Upgrade Programme for the Heavy Element Research at GSI-SHIP ion, linac, rfq, target 1565
 
  • W. Barth, L.A. Dahl, S. Hofmann, K. Tinschert
    GSI, Darmstadt
  • U. Ratzinger
    IAP, Frankfurt-am-Main
  In the field of heavy-element research using the velocity separator SHIP significant achievements were made at GSI during the last 30 years. The experiences obtained of experiments clearly show that superheavy-element research was always based on efforts to extend the limits of technical possibilities - of these the increase of beam intensity is one of the major contributions. This paper provides for technical information on the already planned upgrades of the present facility, which results in a significant overall increase of the experimental sensitivity. It is foreseen to investigate and to build a sc 28 GHz-ECR ion source, which should increase the primary beam intensities. The beam coming from the new ECR source will be delivered to the GSI-High Charge State Injector by a second LEBT-system. An upgrade program for the rf-amplifiers and the rf-structures is intended to increase the duty factor from 30 % to 50 %. Besides the ECR-source a new RFQ accelerator and the IH structure may alternatively serve as an injector for an new advanced stand alone accelerator providing for 100 % duty factor. Two different linac-layouts will be discussed.  
 
TUPLS037 The Frankfurt Funneling Experiment rfq, ion, resonance, simulation 1574
 
  • U. Bartz, D. Ficek, N. Mueller, A. Schempp, J. Thibus, M. Vossberg
    IAP, Frankfurt-am-Main
  The goal of the Frankfurt Funneling Experiment is to multiply beam currents of RFQ accelerators at low energies to avoid problems with space charge. The two beams from the ion sources are injected into two RFQ channels. The last part of the RFQ electrodes have been replaced to achieve a 3d focus at the crossing point of the two beam axis where the funneling deflector as a central peace of the experiment is located. The newly designed multi-cell deflector is adapted to the optimised funneling section. It is mechanically solid, easy to tune in and ready for operation. First measurements will be presented.  
 
TUPLS038 The MAFF IH-RFQ Test Stand at the IAP Frankfurt rfq, ion, emittance, quadrupole 1577
 
  • A. Bechtold, D. Habs
    LMU, München
  • J. Fischbach, U. Ratzinger, J. Rehberg, M. Reichwein, A. Schempp
    IAP, Frankfurt-am-Main
  • J. Haeuser
    NTG Neue Technologien GmbH & Co KG, Gelnhausen
  • O.K. Kester
    GSI, Darmstadt
  The IH-type RFQ for the MAFF project at the LMU in Munich is presently under construction and will be integrated into a beam test stand at the IAP in Frankfurt. It is the second RFQ following the IH resonator concept and the first one that can be directly compared to a very similar 4-rod type machine, namely the REX-ISOLDE RFQ at CERN. The MAFF RFQ has been designed to accelerate rare isotope beams (RIBs) with mass to charge ratios up to 6.3 from 3 keV/u to 300 keV/u at an operating frequency of 101.28 MHz with an electrode voltage of 60 kV. First RF-measurements have already been executed and can be compared to appropriate simulation results. Parts of the test stand are currently under construction, such as the volume ion source for He+ at an extraction voltage of 12 keV and an electrostatic quadruplet for injection with an integrated steering system. These tests and accompanying theoretical investigations will be done with special respect to the applicability of such normal conducting RFQ accelerators to the EURISOL post accelerator.  
 
TUPLS051 Development of PEFP 20 MeV Proton Accelerator proton, rfq, klystron, site 1609
 
  • Y.-S. Cho, H.M. Choi, S.-H. Han, I.-S. Hong, J.-H. Jang, H. S. Kim, K.Y. Kim, Y.-H. Kim, H.-J. Kwon, K.T. Seol, Y.-G. Song
    KAERI, Daejon
  A 20 MeV proton accelerator has been developed as a low energy part of PEFP (Proton Engineering Frontier Project) 100 MeV accelerator. The 20 MeV accelerator consists of ion source, LEBT (Low Energy Beam Transport), 3 MeV RFQ (Radiofrequency Quadrupole) and 20 MeV DTL (Drift Tube Linac). After the field tuning and high power RF conditioning of the accelerating cavities, the first beam test of the 20 MeV accelerator is underway. During the test, the pulsed proton beam was extracted from the ion source by pulsing the high voltage power supply. Two 1.1 MW, 350MHz RF systems were used to drive the 20 MeV accelerator. The current transformers between DTL tanks and Faraday cup at the end of 20 MeV DTL were used to measure the beam current. In this paper, the development of 20MeV accelerator are summarized and the first beam test results are discussed.  
 
TUPLS087 Recent Gains in Polarized Beam Intensities for the Cooler Synchrotron COSY at Jülich COSY, ion, cyclotron, synchrotron 1705
 
  • R. Gebel, O. Felden, R. Maier, P. von Rossen
    FZJ, Jülich
  Since January 1996, the cyclotron JULIC operates as the injector of H(-) or D(-) beams for the cooler synchrotron COSY at the IKP of the Forschungszentrum Juelich. Routinely about 8 microA of unpolarized or 1 microA of pola­rized H(-) ions are delivered for charge-exchange injection into COSY. A polarization in excess of 90 % was measured for protons inside the synchrotron COSY. Additionally, polarized and unpolarized D(-) ions have been delivered to experiments. A sequence of up to eight different polarization states for deuterons has been provided for experiments. By advancing the components of the polarized ion the number of polarized particles for injection into the cyclotron has been increased by a factor of three to 5,5x1012 protons, delivered in a 20 ms pulse with a repetition rate of 2 seconds. This report sums up the charac­teristics of the ion sources and the cyclotron in their present mode of opera­tion and de­scribes the achievements towards higher beam intensities as well as for providing unpolarized and polarized H(-) and D(-) beams with high reliability.  
 
TUPLS088 Energy Distribution of H- Ions from the ISIS Ion Source ion, controls, focusing, cathode 1708
 
  • D.C. Faircloth, J.W.G. Thomason
    CCLRC/RAL/ISIS, Chilton, Didcot, Oxon
  • G. Doucas, M. Haigh, I. Ho-ching Yiu, J. Morrison
    OXFORDphysics, Oxford, Oxon
  We have used a specially designed retarding field energy analyzer with a resolution (Δ E /E) of approximately 2 x 10 -4 in order to measure the energy distribution, under different operating conditions, of the H- beam of the ISIS ion source. The poster presents the details of the analyzer and the first results obtained on the Ion Source Test Facility at RAL.  
 
TUPLS090 LEBT Simulations and Ion Source Beam Measurements for the Front End Test Stand (FETS) ion, emittance, simulation, space-charge 1714
 
  • S. Jolly, P. Savage
    Imperial College of Science and Technology, Department of Physics, London
  • J.J. Back
    University of Warwick, Coventry
  • D.C. Faircloth, A.P. Letchford
    CCLRC/RAL/ISIS, Chilton, Didcot, Oxon
  • J.K. Pozimski
    CCLRC/RAL, Chilton, Didcot, Oxon
  The Front End Test Stand (FETS) at the Rutherford Appleton Laboratory (RAL) is intended to demonstrate the early stages of acceleration (0-3MeV) and beam chopping required for high power proton accelerators, including proton drivers for pulsed neutron spallation sources and neutrino factories. Optimisation of the beam focussing within the Low Energy Beam Transport (LEBT) is necessary to minimise beam losses upon acceleration within the FETS RadioFrequency Quadrupole (RFQ). Simulations of the LEBT are currently under way using the General Particle Tracer package (GPT). Previous envelope calculations suggest weak and strong focussing solutions for the LEBT solenoids. Definitive beam dynamics simulations in GPT require further measurements of the transverse emittances and beam profile of the ion source beam, due to the sensitivity of the simulations on the initial beam profile and level of space charge compensation. A pepperpot emittance/profile measurement system has been designed for use on the ISIS ion source development rig. Results from this pepperpot system are used to constrain the initial conditions for the GPT simulations.  
 
TUPLS094 Development of a Permanent Magnet Microwave Ion Source for Medical Accelerators ion, permanent-magnet, proton, linac 1723
 
  • S. Hara, T. Iga, M. Tanaka
    Hitachi, Ltd., Power & Industrial Systems R&D Laboratory, Ibaraki-ken
  A permanent magnet microwave ion source was developed to improve availability of proton accelerator application systems based on industrial microwave ion source technologies. The ion source needs no filament in the discharge chamber, which leads to reliability improvement and less maintenance time. Because the ion source uses a permanent magnet, the ion source needs no coils, no coil power and no coil coolant. The hydrogen beam of over 60 mA has been extracted from a single 5mm diameter aperture with a proton fraction of 85% at a microwave power of 1.3kW. Rise times of the microwave power and beam current to 90 % of the final value were about 30 and 100μseconds respectively at a pulse operation mode with 400μseconds pulse width and 20 Hz repetition rate. These performance parameters are equal to the solenoid coil ion source parameters, making the ion source desirable for accelerator applications like proton therapy systems.  
 
TUPLS096 Strongly Focused He+ Beam Source for Alpha Particle Measurement at ITER plasma, ion, extraction, diagnostics 1726
 
  • K. Shinto, S. Kitajima, A. O. Okamoto, M. Sasao
    Tohoku University, Sendai
  • Y. H. Hirano, S. Kiyama, H. S. Sakakita
    AIST, Tsukuba, Ibaraki
  • O. Kaneko, M. Nishiura
    NIFS, Gifu
  • M. Wada
    Doshisha University, Graduate School of Engineering, Kyoto
  A He+ beam source for He0 beam probe for measurement of fusion produced alphas due to D-T nuclear reaction in a thermonuclear fusion plasma has been designed and constructed. The ion source consists of a 300 mm diameter and 280 mm length plasma chamber and a beam extraction system which has three concaved electrodes. Helium plasma is confined by line cusp magnetic fields produced by Sm-Co permanent magnets. The magnetic field strength near the extraction region is designed to be less than 20 gauss. Through the 100 mm diameter extraction area of the concaved electrodes 300 beamlets are formed with apertures of 4 mm. The focal length of the concaved electrodes is designed to be 750 mm. The beam quality of the extracted He+ beam will be measured by several beam diagnostic apparatuses. The total beam current, the beam profile and the beam emittance will be measured to design a proper alkali metal vapor cell for a He- beam production by a double charge exchange process and a beam transport line to the post accelerator up to MeV region. In the article, the details of the ion source and the beam diagnostic system will be described.  
 
TUPLS099 The New 14 GHz Ion Source for the U-400 Heavy Ion Cyclotron ion, plasma, cyclotron, resonance 1732
 
  • M. Leporis, V.B. Bekhterev, S.L. Bogomolov, A. Efremov, G. Gulbekyan, Yu.K. Kostyukhov, N. Lebedev, V.N. Loginov, Yu. Yazvitsky
    JINR, Dubna, Moscow Region
  The new 14 GHz ion source DECRIS-4, to be used as a second injector of heavy multiply charged ions for the U-400 cyclotron and, in the future, also as a "charge breeder" (the "1+ -> n+" method) for the second phase of the DRIBs project, has been designed and constructed at the FLNR. The main feature of the ion source design is the creation of the extended resonance zone in a comparatively compact ECRIS. For this purpose the axial magnetic field is formed with a flat minimum by mounting only one additional solenoid coil to the classical CAPRICE magnetic structure. In this case the superposition of the axial magnetic field and the radial field of the permanent magnet hexapole, made from NdFeB, allows one to create a larger resonance volume. First results of the ion source tests show that in this resonance volume electrons are heated very efficiently which allows to produce intense beams of medium charge state ions with comparatively low level of input microwave power. The basic design features, construction issues and the first results of ion source tests are presented.  
 
TUPLS104 Matching of High Intensity Ion Beams to an RFQ: Comparison of PARMTEQ and IGUN Simulations rfq, ion, simulation, emittance 1741
 
  • R. Becker, R.A. Jameson
    IAP, Frankfurt-am-Main
  The classical way of matching an ion source to the low energy accelerator RFQ generally is performed by adjusting the matching optics of the LEBT to provide the rms ellipse twiss parameter requirements of the RFQ shaper section. By matching to the rms parameters (the equivalent rms beam method) the actual shape of the distribution plays a smaller role according to F. Sacherer. In many cases, however, the matching optics are creating not only aberrations to the ion beam but also a very non-elliptical shape of the emittance figure, and a more exact match may be required. As a way out, an ion extraction program (IGUN) has been modified to also take into account the rf-focusing of non-modulated RFQ vanes in the shaper section. This makes it feasible to use this program for the simulation from the ion source plasma until the beginning of modulation inside the RFQ, and it can also handle dc fields in the injection region of the RFQ. In order to demonstrate the differences of both approaches we apply them to well defined experimentally proved designs of RFQ shaper sections.  
 
TUPLS105 Sputter Probes and Vapor Sources for ECR Ion Sources ion, plasma, cathode, electron 1744
 
  • M. Cavenago, A. Galatà, M. Sattin
    INFN/LNL, Legnaro, Padova
  • T. Kulevoy, S. Petrenko
    ITEP, Moscow
  Sputter probes are a promising method for injecting controlled quantities of metallic elements inside ECRIS ion source, provided that sputter rate can be controlled, so that high charge states and low sample consumption rate will be attained. Moreover pressure at the probe and inside source should be different. With a simple differential pumping scheme and a sputter probe at 25 mm from ECRIS plasma, a 200 nA current of 120Sn18+ was easily obtained. Typical results (for Sn and Ti) of an inductively heated rf oven are discussed for comparison. Improvements of sputter probe concept and geometry are also described.  
 
TUPLS119 Design Study of the Axial Injection System of C400 Cyclotron ion, cyclotron, quadrupole, injection 1786
 
  • V. Shevtsov, V. Aleksandrov, Yu. Kazarinov
    JINR, Dubna, Moscow Region
  • Y. Jongen, D. Vandeplassche
    IBA, Louvain-la-Neuve
  Computer modeling results on the axial injection system design are given. Results of simulations of the Carbon, Hydrogen and Helium ion beam injection are presented.  
 
WEPCH080 Beam Simulation of SQQ Injection System in KIRAMS-30 Cyclotron cyclotron, injection, simulation, space-charge 2107
 
  • D.H. An, J.-S. Chai, H.B. Hong, S.S. Hong, M.G. Hur, W.T. Hwang, H.S. Jang, I.S. Jung, J. Kang, J.H. Kim, Y.S. Kim, M.Y. Lee, T.K. Yang
    KIRAMS, Seoul
  The injection system of KIRAMS-30 cyclotron consists of a double gap buncher, an SQQ, and a spiral inflector. Initial beam with 100 mmmrad has been generated by random Gaussian function in the transverse plane and random uniform function in the longitudinal direction. Using the 3D electric and magnetic fields of a buncher, SQQ, inflector, and return-yoke bore, the characteristics of the beam injected into the KIRAMS-30 cyclotron's central region has been obtained. This paper presents the results of its beam characteristics and parameters of each beam element.  
 
WEPCH117 Beam Dynamics of an Integrated RFQ-drifttube-combination rfq, ion, simulation, GSI 2191
 
  • A. Bechtold, M. Otto, A. Schempp
    IAP, Frankfurt-am-Main
  In the frame of a collaboration with the GSI in Darmstadt an RFQ-Drifttube-Combination for the Heidelberg cancer therapy center HICAT has been designed, built and successfully beam tested at the IAP Frankfurt. The integration and combination of both an RFQ and a rebunching drifttube unit inside a common cavity forming one single resonant RF-structure has been realized for the first time with this machine. The results of the beam measurements and questions about the beam dynamics simulations of such a combination have been investigated in detail with the code RFQSIM.  
 
WEPCH183 Enhancement of Mechanical Properties of High Chromium Steel by Nitrogen Ion Implantation ion, electron, target, controls 2361
 
  • B.S. Kim, S.-Y. Lee
    Hankuk Aviation University, KyungKi-Do
  • K. R. Kim, J.S. Lee
    KAERI, Daejon
  This article reports the study of mechanical properties of high chromium steel after N-ion implantation. The samples are implanted with 120keV N-ion at doses ranging from 1x1017ions/square cm to 4x1018ions/square cm. Mechanical properties of implanted samples are compared with those of Cr-plated samples. The compositions of the N-ion implanted layer were measured by Auger electrons spectroscopy(AES). Their mechanical properties as a function of N-ion doses were characterized by nano-indentation, sliding and impact wear tests. The results reveal that the hardness and mechanical properties of ion implanted samples were found to depend strongly on the ion doses. The hardness of the N-ion implanted sample with 2x1018ions/? was measured to be approximately 9 GPa, which is approximately 2.3 times higher than that of un-implanted sample (H=3.8 GPa). Also wear properties of N-ion implanted samples with 2x1018ions/? were largely improved ;compared to the Cr-plated samples, the width of wear track and friction coefficient developed on the N-ion implanted samples are about 60% and 40% smaller, respectively.  
 
WEPCH184 Mechanical Properties of WC-Co by Nitrogen Ion Implantation: Improvement of Industrial Tools ion, cathode, heavy-ion, vacuum 2364
 
  • Y. Noh, B.Y. Kim, K. R. Kim, J.S. Lee
    KAERI, Daejon
  Ion implantation of WC-Co has been widely investigated for the improvement of wear resistance, but rarely for friction behavior. Although friction is closely associated with wear, more factors influence friction than wear, and low wear does not generally lead to low friction w6x. Therefore, we focus our study on the effects of ion implantation on the mechanical properties in WC-Co cermets, with particular interest in tool industry applications.  
 
WEPCH191 The Design and Manufacture of a 300 keV Heavy Ion Implanter for Surface Modification of Materials ion, acceleration, target, extraction 2382
 
  • J.S. Lee, Jae-Keun Kil. Kil, C.-Y. Lee
    KAERI, Daejon
  A 300keV ion implanter has been designed for studies of surface modification of several materials by ion beam. The purpose of design is domestic development of the basic technology for the high energy ion implanter. The main point of design is production, acceleration and transportation of high nitrogen ion beam current up to 5mA and ion energy up to 300keV. 300keV ion implanter consists of Duo-PIGatron ion source, einzel lens, mass separation magnet, acceleration tube, magnetic quadrupole doublet, electrostatic scanner and target. Beam optics design carried out where space charge effect in the acceleration tube and second order aberrations in the mass separation magnet were considered. The mass numbers range from 1 to 140 and the resolving power M/ΔM is 131. Implanter control system includes fiber optics links for the monitoring and control of the ion source parameters in the high voltage zone and computer system for the characterization of the ion beam and whole control of an implantation process.  
 
WEPCH195 Status of the Russian Accelerator Mass Spectrometer Project ion, target, tandem-accelerator, vacuum 2391
 
  • M. Petrichenkov, N. Alinovsky, A.D. Goncharov, V. Klyuev, A. Kozhemyakin, A. Kryuchkov, V.V. Parkhomchuk, S. Rastigeev, V.B. Reva
    BINP SB RAS, Novosibirsk
  The status of the first Russian accelerator mass spectrometer being developed at BINP is described. The scheme of the spectrometer includes two types of ion sources (sputter and gaseous ones), electrostatic tandem accelerator with accelerating voltage up to 2 MV and magnesium vapors stripper and also includes the high-energy and low-energy beam lines with analyzers. The results of the experiments with the ion beams will be given.