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OLAV 1

11–12 Apr 2005
CERN
Europe/Zurich timezone

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Session

SESSION 2

not assigned
11 Apr 2005, 16:30
40-SS-D01 (CERN)

40-SS-D01

CERN

Geneva, Switzerland

Conveners

SESSION 2: Components - Relation with industry

  • R.J. REID (ASTEC)

Description

Components I - Relation with industry

Presentation materials

There are no materials yet.

  1. 1. Pressure-measurement errors in a cold-cathode-ionization gauge caused by electrons and photoelectrons
    Dr Hiroshi Saeki (JAPAN SYNCHROTRON RADIATION RESEARCH INSTITUTE)
    11/04/2005, 16:30
    SESSION 2
    It is well-known that ionization gauges mis-read due to an influx of photoelectrons flowing from an external environment. In the SPring-8 storage ring, some of hot- cathode-ionization gauges (B-A gauges) have indicated abnormally-low pressures (on the order of 10-9 Pa) or negative pressures (from -2 x 10-9 Pa to -2 x 10-7 Pa) at stored-electron-beam conditions due to the same cause,...
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  2. 20. The need for more outgassing data of materials for accelerators and storage ring experiments
    Emma Hedlund (Department of Radiation Sciences, Uppsala University)
    11/04/2005, 16:45
    SESSION 2
    Outgassing measurements are often performed by vacuum specialists and physicists when designing new accelerator equipment and experiments in storage rings etc. Such measurements are, however, rather seldom published. It would be an advantage for the vacuum community if such results could be made available for the general public by creating a database. As an example, we could not find...
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  3. 27. Non-Evaporable getter Films for the future GSI facility
    Mr Jörg Kurdal (GSI)
    11/04/2005, 17:00
    SESSION 2
    For the SIS18 upgrade, in the frame of the FAIR project, the use of non evaporable getter (NEG) films is foreseen. This will increase the pumping speed for CO and H2 more than one order of magnitude. Calculations performed by means of the Vaktrak code have proved that the installation of NEG coated dipole and quadrupole chambers will lead to a better base pressure of about a factor...
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  4. 23. Fast Vacuum Valves at CERN
    Mr Willemjan Maan (CERN)
    11/04/2005, 17:15
    SESSION 2
    A brief history of the fast valves in use at CERN and of their mechanical design since the 1970’s will be given. The recent example of the LEP fast valves will also be described as well as the improvements introduced. Finally some arguments in favour and against the use of fast valves in high energy accelerators will be enumerated and discussed.
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