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Estimate of the longitudinal and transverse impedances for the superconducting super collider Metadata

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Title

  • Main Title Estimate of the longitudinal and transverse impedances for the superconducting super collider

Creator

  • Author: Ng, King-Yuen
    Creator Type: Personal

Publisher

  • Name: Fermi National Accelerator Laboratory
    Place of Publication: Batavia, Illinois
    Additional Info: Fermi National Accelerator Lab., Batavia, IL (USA)

Date

  • Creation: 1984-01-01

Language

  • English

Description

  • Content Description: We try to estimate the longitudinal impedance per harmonic Z/sub L//n as well as the transverse impedance Z/sub T/ for the 20 TeV Superconducting Super Collider (SSC). Effects due to space charge, wall resistivity, bellows, monitor plates, synchrotron radiation are considered. The resulting Z/sub L//n and Z/sub T/ are plotted. Such a knowledge of Z/sub L//n and Z/sub T/ is necessary in computing the limits of many types of instabilities for the bunched beam. To be more specific, in our estimation, we consider the special case of an injection energy of 1 TeV and assume a maximum field of 5 Tesla in the SSC dipoles. In some cases, we also assume a 60/sup 0/ FODO cell structure consisting of 4 dipoles and 2 quadrupoles each with 2 long straight sections. The beampipe radius and beam radius are chosen as b = 1.0 in. and a = 0.05 cm respectively. Totally, the storage ring consists of 364 cells and has a mean radius of R = 17.38 km. Our results show that when monitor plates matched at both ends (such as the ones used in the Tevatron) are used, their effects dominate both Z/sub L//n and Z/sub T. 7 references, 5 figures.
  • Physical Description: 6 pages

Subject

  • Keyword: Bremsstrahlung
  • Keyword: Tev Range 430100* -- Particle Accelerators-- Design, Development, & Operation
  • Keyword: Synchrotron Radiation
  • Keyword: Energy Range
  • Keyword: Storage Rings
  • STI Subject Categories: 43 Particle Accelerators
  • Keyword: Radiations
  • Keyword: Beam Monitors
  • Keyword: Measuring Instruments
  • Keyword: Stability
  • Keyword: Electromagnetic Radiation
  • Keyword: Superconducting Super Collider
  • Keyword: Impedance
  • Keyword: Beam Dynamics
  • Keyword: Monitors
  • Keyword: Tev Range 10-100

Source

  • Other Information: Paper copy only, copy does not permit microfiche production

Collection

  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI

Institution

  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Report

Format

  • Text

Identifier

  • Other: DE84009404
  • Report No.: FERMILAB/TM-1239
  • Grant Number: AC02-76CH03000
  • DOI: 10.2172/5246684
  • Office of Scientific & Technical Information Report Number: 5246684
  • Archival Resource Key: ark:/67531/metadc1069451

Note

  • Display Note: NTIS, PC A02; 3.
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