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Monday, July 20, 2020 | History

5 edition of Polarized Proton Ion Sources (AIP Conference Proceedings) found in the catalog.

Polarized Proton Ion Sources (AIP Conference Proceedings)

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  • 30 Currently reading

Published by American Institute of Physics .
Written in English

    Subjects:
  • Particle & high-energy physics,
  • Polarized beams (Nuclear physi,
  • Particle Physics,
  • Science,
  • Science/Mathematics,
  • Proton beams,
  • Nuclear Physics,
  • Physics,
  • Science / Nuclear Physics,
  • Ion sources,
  • Congresses

  • Edition Notes

    ContributionsKrisch (Editor), Lin (Editor)
    The Physical Object
    FormatHardcover
    Number of Pages214
    ID Numbers
    Open LibraryOL8179835M
    ISBN 100883181797
    ISBN 109780883181799

    Ion sources for MeV linac of Moscow INR are described. It is possible to accelerate in the linac intense unpolarized and polarized proton and negative hydrogen ion beams with average current up. CHAPTER 3. PROTON SOURCE −polarizations o the target, see Section , and Figure Since the collection of polarized ’s is ine cient, we assume the proton driver must eventuallyprovide an additional factor of approximately two to compensate for the ine ciency in producing these beams.

    Reviews about polarized ion sources can be found in references I) 2), 3), 4) an d 5) According to an idea of R. Fleischmann 6) polarized ions as protons and deuterons can be obtained by producing neutral atoms with polarized nuclei and ionizing them afterwards. As a consequence in all. Nuclear physics is a science driven by experiment, so its progress depends critically on advances in instrumentation. New developments in accelerators, detectors and their associated electronics, data acquisition systems, and computers for data analysis have been the bases for rapid developments in the field and provide the technical underpinnings for today's thrusts in nuclear physics.

    right-left asymmetry in the differential cross section when polarized deuterons are stripped, Pp is the proton polarization for stripping with unpolarized deuterons, and Pd stands for the component of the deuteron vector polari- zation perpendicular to the react ion plane (parallel to Pp). The final configuration of the Polarized Proton Ion Source used at the Argonne Zero Gradient Synchrotron and the changes to the original configuration are summarized. In particular, we describe the results of cooling the dissociator nozzle to very low temperatures.


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Polarized Proton Ion Sources (AIP Conference Proceedings) Download PDF EPUB FB2

Polarized Proton Ion Sources (AIP Conference Proceedings) Hardcover – April 3, by Krisch (Editor), Lin (Editor) See all 2 formats and editions Hide other formats and editions. Price New from Used from Hardcover "Please retry" $ $ $ Format: Hardcover.

Polarized proton ion sources (TRIUMF, Vancouver, ). New York: American Institute of Physics, (OCoLC) Material Type: Conference publication, Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: G Roy; P Schmor; International Committee for Symposia on High Energy Spin Physics.

Genre/Form: Kongreß Conference papers and proceedings Ann Arbor (Mich., ) Congresses: Additional Physical Format: Online version: Polarized proton ion sources (Ann Arbor, ). STATE OF THE ART IN POLARIZED PROTON SOURCES* J. G Altssi Brookhaven National Laboratory Upton, New York Abstract Present day polarized H+ and H- ion sources are reviewed by describing the performance of sources representative of each of the techniques being used.

The comprehensive coverage also includes polarized proton and electron acceleration and storage, as well as polarized ion sources and targets. Many significant new results and achievements on the different topics considered at the symposium are presented in this book for the first time.

Categories: Mathematics\\Mathematicsematical Physics. Journal Article: IONIZER FOR POLARIZED PROTON SOURCES. IONIZER FOR POLARIZED PROTON SOURCES. Full Record; Other Related Research; Authors: Coiffet, P Publication Date: Thu Jan 01 EST Research Org.: Paris Univ., Orsay, France OSTI Identifier: NSA Number: NSA A source of polarized ions has Polarized Proton Ion Sources book constructed which produces a μA beam, with good ion-optic quality, of either polarized protons or deuterons.

Polarized Proton/electron Beam - Proton/electron, as spin half particle oSpin vector oIntrinsic magnetic moment - Polarized proton/electron beam-Beam polarization, with N± is the number of particles in the state of ψ+(up state) and ψ−(down state), respectively ⃗ m= g 2 q m ⃗. The topics covered include: Polarized Electron Sources, Polarized Proton and Deuterium Sources, Polarized Internal Targets, Polarized 3 He Ion Sources and Targets, Polarimetry (e, p, d) at Low and High Energy, Polarized antiprotons, Polarized Solid Targets.

Sample Chapter(s) Chapter 1: Remarks on the History of Workshopson Spin Tools ( KB. This source has been installed at the Rutgers-Bell tandem accelerator, where polarized proton beams of up to 16 MeV have been obtained. Principle of operation A schematic diagram of the polarized ion sources) is shown in fig.

At the top of the polarized source is an rf ion source which produces a proton beam with an energy of about keV. The intensity of a polarized negative hydrogen ion source of the Institute for Nuclear Research of the Russian Academy of Sciences has been increased due to the decrease of the destruction of polarized negative hydrogen ions in plasma ionizer and the improvements in the atomic beam stage of the source.

OPTIMIZING THE ION SOURCE FOR POLARIZED PROTONS (ITHEMBA LABS) SAMANTHA JOHNSON ITHEMBA LABS, P.O. BOXSOMERSET WES T, ABSTRACT Beams of polarized protons play an important part in the study of the spin dependence of the nuclear force by measuring the analyzing power in nuclear reactions.

The. In both options, high current electron bunches in the polarized injector must be precisely synchronized with proton or ion bunches in the RHIC ring. The stacking option in the ring-ring design considerably reduces the required bunch charge from the polarized source. If polarized H ion sources with currents around microamperes become available, the luminosity of ISABELLE with polarized beams is estimated to be less than an order of magnitude below that with unpolarized beams, i.e., about 10 32 cm-2 sec Spallation Source (ESS), the Superconducting Proton Linac (SPL) etc, will require high current and high duty factor sources for protons and negative hydrogen ions.

In order to achieve these goals, a comparison of the Electron Cyclotron Resonance, radio-frequency and Penning ion sources, among others, will be made.

For each of these. A review of our last results in modelling a typical radiofrequency hybrid negative ion source is here reported, together with a brief introduction to the atomic-beam polarized ion sources.

The goal is to build polarized targets for laser-acceleration experiments to produce polarized proton and deuteron beams [16]. Polarized H + 2 and HD + ions in single spin-isomers are a perfect.

Sources of Polarized Ions Sources of Polarized Ions Haeberli, W By W. HAEBERLI I n the study of nuclear reactions, situations often arise where even very accurate cross-section measurements are not sufficient to determine the re­ action amplitudes uniquely.

A classic example is the Fermi-Yang ambiguity (1) which arises in the analysis of the scattering between particles. The recent progress in polarized ion source development is reviewed. In dc operation a mA polarized H{sup -} ion current is now available from the Optically-Pumped Polarized Ion Source (OPPIS).

In pulsed operation a 10 mA polarized H{sup -} ion current was demonstrated at the TRIUMF pulsed OPPIS test bench and a mA peak current was obtained from an Atomic Beam Source. Initially, the workshops were limited to polarized proton (deuteron) ion sources and polarized internal gas targets.

Beginning in at Urbana, Illinois, polarized electron sources and polarized solid state targets have been included in the program, and with PST at IUCF, Indiana, polarized neutron beams and high-energy proton polarimetry.

What Is Needed to Accelerate Polarized Beams in Large New Proton Rings.- Summary of the 2nd Workshop on Siberian Snakes and Polarization in Circular Machines.- Summary Report of the Workshop on Polarized Electron Sources and Electron Spin Polarimeters.- Summary .One has to keep in mind that at the time no polarized ion sources were available and the polarization of proton beams and their measurement had to be provided by double or triple scattering, placing strong restrictions on the intensity and choice of angles and energies.

Proton scattering on several nuclear targets was performed.Modern polarized ion sources generate polarized ion beams with high intensity and polarization.

Mainly, atomic beam-type and optically pumped polarized ion sources are used to provide polarized ion beams to accelerators. Principles of both methods are outlined in the paper.