Electricity: measuring and testing – Determining nonelectric properties by measuring electric... – Particle counting
Patent
1988-07-28
1989-10-10
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Determining nonelectric properties by measuring electric...
Particle counting
324 713, 324 716, 2503362, 505866, 505843, G01N 2700
Patent
active
048734829
ABSTRACT:
A microvertex particle detector for use in a high energy physic collider including a plurality of parallel superconducting thin film strips separated from a superconducting ground plane by an insulating layer to form a plurality of superconducting waveguides. The microvertex particle detector indicates passage of a charged subatomic particle by measuring a voltage pulse measured across a superconducting waveguide caused by the transition of the superconducting thin film strip from a superconducting to a non-superconducting state in response to the passage of a charged particle. A plurality of superconducting thin film strips in two orthogonal planes plus the slow electromagnetic wave propogating in a superconducting transmission line are used to resolve N.sup.2 ambiguity of charged particle events.
REFERENCES:
patent: 3691381 (1972-09-01), Kleppner
patent: 4037102 (1977-07-01), Hoyle et al.
Weiser et al., "Use of Granular Nbn as . . . ; " Journal Appl. Phys.; 52(7); Jul. 1981, pp. 4888-4889.
Crittenden; "Superconducting Thin-Film Detector . . . ; " Jrnl. Appl. Physics, vol. 42, No. 8; Jul. 1971, pp. 3182-3188.
Eisenzopf Reinhard J.
Gottlieb Paul A.
Hightower Judson R.
Kozak Frank J.
Miele Anthony L.
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