CA2232039A1 - Procede et appareil pour detecter et identifier des matieres fissibles - Google Patents
Procede et appareil pour detecter et identifier des matieres fissibles Download PDFInfo
- Publication number
- CA2232039A1 CA2232039A1 CA002232039A CA2232039A CA2232039A1 CA 2232039 A1 CA2232039 A1 CA 2232039A1 CA 002232039 A CA002232039 A CA 002232039A CA 2232039 A CA2232039 A CA 2232039A CA 2232039 A1 CA2232039 A1 CA 2232039A1
- Authority
- CA
- Canada
- Prior art keywords
- bremmstrahlung
- neutron
- detector
- flux
- particle accelerator
- 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.)
- Abandoned
Links
- 239000000463 material Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003111 delayed effect Effects 0.000 claims abstract description 17
- 230000004907 flux Effects 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 4
- SWQJXJOGLNCZEY-BJUDXGSMSA-N helium-3 atom Chemical compound [3He] SWQJXJOGLNCZEY-BJUDXGSMSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 12
- 230000004992 fission Effects 0.000 description 6
- 239000012634 fragment Substances 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 2
- 229910052778 Plutonium Inorganic materials 0.000 description 2
- 229910052776 Thorium Inorganic materials 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 230000005255 beta decay Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 2
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 235000015107 ale Nutrition 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/281—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects detecting special nuclear material [SNM], e.g. Uranium-235, Uranium-233 or Plutonium-239
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T3/00—Measuring neutron radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
- G01V5/234—Measuring induced radiation, e.g. thermal neutron activation analysis
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI954381 | 1995-09-18 | ||
| FI954381A FI954381A (fi) | 1995-09-18 | 1995-09-18 | Menetelmä ja laitteisto fissioituvan materiaalin ilmaisemiseksi ja tunnistamiseksi |
| PCT/FI1996/000480 WO1997011388A1 (fr) | 1995-09-18 | 1996-09-11 | Procede et appareil pour detecter et identifier des matieres fissibles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2232039A1 true CA2232039A1 (fr) | 1997-03-27 |
Family
ID=8544038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002232039A Abandoned CA2232039A1 (fr) | 1995-09-18 | 1996-09-11 | Procede et appareil pour detecter et identifier des matieres fissibles |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0877953A1 (fr) |
| JP (1) | JPH11512528A (fr) |
| CN (1) | CN1196797A (fr) |
| CA (1) | CA2232039A1 (fr) |
| FI (1) | FI954381A (fr) |
| IL (1) | IL123633A0 (fr) |
| TR (1) | TR199800440T1 (fr) |
| WO (1) | WO1997011388A1 (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2764383B1 (fr) * | 1997-06-06 | 1999-07-23 | Commissariat Energie Atomique | Procede et dispositif de mesure de la proportion relative de plutonium et d'uranium dans un corps |
| US20090257555A1 (en) | 2002-11-06 | 2009-10-15 | American Science And Engineering, Inc. | X-Ray Inspection Trailer |
| US7099434B2 (en) * | 2002-11-06 | 2006-08-29 | American Science And Engineering, Inc. | X-ray backscatter mobile inspection van |
| US7430479B1 (en) | 2004-08-17 | 2008-09-30 | Science Applications International Corporation | System and method for analyzing content data |
| US7483511B2 (en) * | 2006-06-06 | 2009-01-27 | Ge Homeland Protection, Inc. | Inspection system and method |
| CN101581679B (zh) | 2008-05-12 | 2012-02-22 | 清华大学 | 一种检测特殊核材料的方法和系统 |
| KR101687652B1 (ko) * | 2014-12-04 | 2017-01-02 | 한국원자력연구원 | 중성자 감속시간 이용 핵분열성 물질 정량분석 장치 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4267488A (en) * | 1979-01-05 | 1981-05-12 | Trisops, Inc. | Containment of plasmas at thermonuclear temperatures |
| US4497768A (en) * | 1982-07-07 | 1985-02-05 | The United States Of America As Represented By The United States Department Of Energy | Apparatus and method for quantitatively evaluating total fissile and total fertile nuclide content in samples |
| IL94327A0 (en) * | 1989-05-08 | 1991-03-10 | Scient Innovations Inc | Apparatus and method for scanning an object to determine an element of interest |
-
1995
- 1995-09-18 FI FI954381A patent/FI954381A/fi unknown
-
1996
- 1996-09-11 JP JP9512412A patent/JPH11512528A/ja active Pending
- 1996-09-11 CN CN96197052A patent/CN1196797A/zh active Pending
- 1996-09-11 TR TR1998/00440T patent/TR199800440T1/xx unknown
- 1996-09-11 IL IL12363396A patent/IL123633A0/xx unknown
- 1996-09-11 EP EP96930183A patent/EP0877953A1/fr not_active Withdrawn
- 1996-09-11 WO PCT/FI1996/000480 patent/WO1997011388A1/fr not_active Application Discontinuation
- 1996-09-11 CA CA002232039A patent/CA2232039A1/fr not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| IL123633A0 (en) | 1998-10-30 |
| WO1997011388A1 (fr) | 1997-03-27 |
| TR199800440T1 (xx) | 1998-06-22 |
| JPH11512528A (ja) | 1999-10-26 |
| FI954381A (fi) | 1997-03-19 |
| EP0877953A1 (fr) | 1998-11-18 |
| FI954381A0 (fi) | 1995-09-18 |
| CN1196797A (zh) | 1998-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |