ES2109266T3 - Sistema de deteccion de contrabando que utiliza neutrones rapidos emitidos a impulsos para formar imagenes directas. - Google Patents

Sistema de deteccion de contrabando que utiliza neutrones rapidos emitidos a impulsos para formar imagenes directas.

Info

Publication number
ES2109266T3
ES2109266T3 ES91907180T ES91907180T ES2109266T3 ES 2109266 T3 ES2109266 T3 ES 2109266T3 ES 91907180 T ES91907180 T ES 91907180T ES 91907180 T ES91907180 T ES 91907180T ES 2109266 T3 ES2109266 T3 ES 2109266T3
Authority
ES
Spain
Prior art keywords
voxel
gamma rays
neutrons
contraband
special
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES91907180T
Other languages
English (en)
Inventor
Z Peter Sawa
Tsahi Gozani
Peter Ryge
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Science Applications International Corp SAIC
Original Assignee
Science Applications International Corp SAIC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Science Applications International Corp SAIC filed Critical Science Applications International Corp SAIC
Application granted granted Critical
Publication of ES2109266T3 publication Critical patent/ES2109266T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G01V5/20—
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
    • G21G1/00—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes
    • G21G1/04—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes outside nuclear reactors or particle accelerators
    • G21G1/06—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes outside nuclear reactors or particle accelerators by neutron irradiation
    • G01V5/234—

Abstract

UN SISTEMA Y METODO PARA DETECTAR EL CONTRABANDO QUE GENERA UN RAYO ALTAMENTE COLIMADO (13) DE NEUTRONES RAPIDOS IMPULSADOS, PROVISTOS DE UNA AMPLITUD DE IMPULSO DEL ORDEN DE UN NANOSEGUNDO Y UNA ENERGIA DE 5 A 9 MEV. CON ESTE RAYO SE VA A RASTREAR UN OBJETO (14) SOMETIDO. LOS NEUTRONES DEL RAYO ORIGINAN LAS REACCIONES (N, Y) EN EL VOLUMEN DE UN OBJETO LIMITADO O VOXEL, DEFINIDO POR LA INTERSECCION DEL RAYO COLIMADO Y EL OBJETO RASTREADO. LOS NEUTRONES RAPIDOS DE ALTA PENETRACION PRODUCEN REACCIONES NUCLEARES CON LOS ELEMENTOS ATOMICOS PRESENTES ENTRE EL OBJETO, EMITIENDO LOS RAYOS GAMMA. SE DETECTAN LOS RAYOS GAMMA EN UN DETECTOR (20). EL TIEMPO APROXIMADO DE VUELO DEL IMPULSO DEL NEUTRON SE MIDE, PERMITIENDO QUE SE HAGA UNA DETERMINACION DEL VOXEL ESPECIAL DESDE EL CUAL SE ORIGINAN LOS RAYOS GAMMA. LA ENERGIA DE LOS RAYOS GAMMA DETECTADOS IDENTIFICA LOS ELEMENTOS ESPECIALES DESDE LOS CUALES SE ORIGINAN. ASI, POR EJ: PUEDE DETERMINARSE DIRECTA Y PRECISAMENTE EL CONTENIDO DE CARBONO, NITROGENO, OXIGENO Y CLORO, CUYOS ELEMENTOS SE ENCUENTRAN COMUNMENTE EN EL CONTRABANDO DE UN VOXEL ESPECIAL. LA INFORMACION DEL CONTENIDO DEL VOXEL PUEDE COMBINARSE DESDE UNA MUESTRA SUSTANCIAL DE LOS VOXELS QUE HACEN QUE EL OBJETO PROPORCIONE UNA INDICACION DIRECTA DEL CONTENIDO ELEMENTAL DEL OBJETO, Y A PARTIR DE LA MISMA SABER SI EL CONTRABANDO ESTA PRESENTE O AUSENTE ENTRE EL OBJETO.
ES91907180T 1990-01-12 1991-01-09 Sistema de deteccion de contrabando que utiliza neutrones rapidos emitidos a impulsos para formar imagenes directas. Expired - Lifetime ES2109266T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/464,111 US5076993A (en) 1990-01-12 1990-01-12 Contraband detection system using direct imaging pulsed fast neutrons

Publications (1)

Publication Number Publication Date
ES2109266T3 true ES2109266T3 (es) 1998-01-16

Family

ID=23842610

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91907180T Expired - Lifetime ES2109266T3 (es) 1990-01-12 1991-01-09 Sistema de deteccion de contrabando que utiliza neutrones rapidos emitidos a impulsos para formar imagenes directas.

Country Status (11)

Country Link
US (1) US5076993A (es)
EP (1) EP0466920B1 (es)
JP (1) JP3144642B2 (es)
KR (1) KR100251345B1 (es)
AT (1) ATE157478T1 (es)
AU (1) AU639556B2 (es)
CA (1) CA2046314C (es)
DE (1) DE69127412T2 (es)
ES (1) ES2109266T3 (es)
IL (1) IL96894A (es)
WO (1) WO1991011010A1 (es)

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Also Published As

Publication number Publication date
JP3144642B2 (ja) 2001-03-12
KR920701985A (ko) 1992-08-12
EP0466920A1 (en) 1992-01-22
WO1991011010A1 (en) 1991-07-25
JPH04504472A (ja) 1992-08-06
IL96894A0 (en) 1992-03-29
IL96894A (en) 1996-01-19
DE69127412T2 (de) 1998-03-19
CA2046314A1 (en) 1991-07-13
EP0466920A4 (es) 1995-07-19
AU639556B2 (en) 1993-07-29
EP0466920B1 (en) 1997-08-27
KR100251345B1 (ko) 2000-04-15
US5076993A (en) 1991-12-31
ATE157478T1 (de) 1997-09-15
DE69127412D1 (de) 1997-10-02
AU7589391A (en) 1991-08-05
CA2046314C (en) 2003-03-18

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