High pressure xenon ionization detector

Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

250374, 250379, G01T 1185, H01J 4702

Patent

active

048809837

ABSTRACT:
A method is provided for detecting ionization comprising allowing particles that cause ionization to contact high pressure xenon maintained at or near its critical point and measuring the amount of ionization.
An apparatus is provided for detecting ionization, the apparatus comprising a vessel containing a ionizable medium, the vessel having an inlet to allow high pressure ionizable medium to enter the vessel, a means to permit particles that cause ionization of the medium to enter the vessel, an anode, a cathode, a grid and a plurality of annular field shaping rings, the field shaping rings being electrically isolated from one another, the anode, cathode, grid and field shaping rings being electrically isolated from one another in order to form an electric field between the cathode and the anode, the electric field originating at the anode and terminating at the cathode, the grid being disposed between the cathode and the anode, the field shaping rings being disposed between the cathode and the grid, the improvement comprising the medium being xenon and the vessel being maintained at a pressure of 50 to 70 atmospheres and a temperature of 0.degree. to 30.degree. C.

REFERENCES:
patent: 4317038 (1982-02-01), Charpak
patent: 4719354 (1988-01-01), Whetten
Norman Davidson and A. E. Larsh, Jr., "Conductivity Pulses in Liquid Argon", Physical Review, 74, p. 220 (1948).
Norman Davidson and A. E. Larsh, Jr., "Conductivity Pulses in Insulating Liquids by Ionizing Radiation", Physical Review, 77, 5, pp. 706-711, (Mar. 1, 1950).
L. S. Miller, S. Howe and W. E. Spear, "Charge Transport in Solid and Liquid Ar, Kr, and Xe", Physical Review, 166, 3, pp. 871-878, (Feb. 13, 1967).
Peter J. Doe, Hans-Jurg Mahler, Herbert H. Chen, "Observation of Tracks in a Two-Dimensional Liquid Argon Time Projection Chamber", Nuclear Instruments and Methods, 199, pp. 639-642, (1982).
T. Takahashi, S. Konno, T. Hamada, M. Miyajima, S. Kubota, A. Nakamoto, A. Hitachi, E. Shibamura and T. Doke, "Average Energy Expanded Per Ion Pair in Liquid Xenon", Physical Review, 12, 5, pp. 1771-1775, (Nov. 1975).
E. Shibamura, A. Hitachi, T. Doke, T. Takahashi, S. Kubota and M. Miyajima, "Drift Velocities of Electrons, Saturation Characteristics of Ionization and W-Values for Conversion Electrons in Liquid Argon, Liquid Argon-Gas Mixtures and Liquid Xenon", Nuclear Instruments and Methods, 131, pp. 249-258, (1975).
O. Bunemann, T. E. Cranshaw and J. A. Harvey, "Design of Grid Ionization Chambers", Canadian Journal of Research, 27, 191-206, (1949).
A. S. Barabash, A. A. Golubev, O. V. Kazachenko, "Liquid Argon Compton .gamma. Spectrometer", Instruments and Experimental Techniques, vol. 23, No. 1, (Jul. 1980), pp. 55-57, .COPYRGT.1980, Plenum Publishing Corporation (USA). [Translated from Pribory i Tekhnika Eksperimenta, No. 1 (Jan.-Feb. 1980) pp. 60-61].

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

High pressure xenon ionization detector does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High pressure xenon ionization detector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High pressure xenon ionization detector will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1854204

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.