CA2743051A1 - Detection de rayonnements au moyen d'un scintillateur - Google Patents
Detection de rayonnements au moyen d'un scintillateur Download PDFInfo
- Publication number
- CA2743051A1 CA2743051A1 CA2743051A CA2743051A CA2743051A1 CA 2743051 A1 CA2743051 A1 CA 2743051A1 CA 2743051 A CA2743051 A CA 2743051A CA 2743051 A CA2743051 A CA 2743051A CA 2743051 A1 CA2743051 A1 CA 2743051A1
- Authority
- CA
- Canada
- Prior art keywords
- scintillator material
- response function
- aspects
- matrix
- derivative
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 61
- 238000001228 spectrum Methods 0.000 claims abstract description 60
- 238000005316 response function Methods 0.000 claims abstract description 30
- 239000011159 matrix material Substances 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 15
- 229910052765 Lutetium Inorganic materials 0.000 claims description 13
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical group [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 claims description 10
- -1 Lutetium aluminate Chemical class 0.000 claims description 9
- 230000002285 radioactive effect Effects 0.000 claims description 9
- 239000012190 activator Substances 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 239000002223 garnet Substances 0.000 claims description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical group [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical group [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims 2
- 150000002663 lutetium compounds Chemical class 0.000 claims 2
- 230000005258 radioactive decay Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 description 16
- 238000011105 stabilization Methods 0.000 description 16
- 238000001730 gamma-ray spectroscopy Methods 0.000 description 12
- 239000013078 crystal Substances 0.000 description 11
- 230000006870 function Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000012512 characterization method Methods 0.000 description 4
- 239000012857 radioactive material Substances 0.000 description 4
- ORCSMBGZHYTXOV-UHFFFAOYSA-N bismuth;germanium;dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Ge].[Ge].[Ge].[Bi].[Bi].[Bi].[Bi] ORCSMBGZHYTXOV-UHFFFAOYSA-N 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000005251 gamma ray Effects 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 229910052747 lanthanoid Inorganic materials 0.000 description 2
- 150000002602 lanthanoids Chemical class 0.000 description 2
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 230000003019 stabilising effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 102100034770 Cyclin-dependent kinase inhibitor 3 Human genes 0.000 description 1
- 101100439050 Homo sapiens CDKN3 gene Proteins 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 101150089280 cip2 gene Proteins 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- XKUYOJZZLGFZTC-UHFFFAOYSA-K lanthanum(iii) bromide Chemical compound Br[La](Br)Br XKUYOJZZLGFZTC-UHFFFAOYSA-K 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000004958 nuclear spectroscopy Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
-
- 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
- G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22463509P | 2009-07-10 | 2009-07-10 | |
| US61/224,635 | 2009-07-10 | ||
| PCT/US2010/041476 WO2011006038A2 (fr) | 2009-07-10 | 2010-07-09 | Détection de rayonnements au moyen dun scintillateur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2743051A1 true CA2743051A1 (fr) | 2011-01-13 |
| CA2743051C CA2743051C (fr) | 2014-09-30 |
Family
ID=43429846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2743051A Expired - Fee Related CA2743051C (fr) | 2009-07-10 | 2010-07-09 | Detection de rayonnements au moyen d'un scintillateur |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2452206A4 (fr) |
| CA (1) | CA2743051C (fr) |
| WO (2) | WO2011006038A2 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9089682B2 (en) | 2013-03-14 | 2015-07-28 | Carefusion 303, Inc. | Needleless connector with support member |
| US9817135B2 (en) | 2014-10-23 | 2017-11-14 | Bridgeport Instruments, Llc | Performance stabilization for scintillator-based radiation detectors |
| US20170168192A1 (en) * | 2015-12-14 | 2017-06-15 | Baker Hughes Incorporated | Scintillation materials optimization in spectrometric detectors for downhole nuclear logging with pulsed neutron generator based tools |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5434408A (en) * | 1992-05-28 | 1995-07-18 | Halliburton Logging Services, Inc. | Induced gamma ray spectroscopy well logging system |
| EP0640848B1 (fr) * | 1993-08-27 | 1998-06-17 | Halliburton Energy Services, Inc. | Dispositif pour mesurer des spectres gamma dans de puit cuvelé |
| US6064068A (en) * | 1997-06-11 | 2000-05-16 | Institute Of Geological & Nuclear Sciences Ltd. | System and method for monitoring the stability of a scintillation detector |
| US6389367B1 (en) * | 1999-03-10 | 2002-05-14 | Schlumberger Technology Corporation | Method and apparatus for calibrating readings of a downhole tool |
| US20040217292A1 (en) * | 2003-05-01 | 2004-11-04 | Cti Pet Systems, Inc. | PET tomograph having continuously rotating panel detectors |
| JP4658121B2 (ja) * | 2004-05-10 | 2011-03-23 | アイシーエックス・ラジエーション・ゲーエムベーハー | シンチレーション検出器の安定化方法及び放射線を測定する検出器 |
| US7129495B2 (en) * | 2004-11-15 | 2006-10-31 | General Electric Company | Method and apparatus for timing calibration in a PET scanner |
| CN101292174A (zh) * | 2005-10-17 | 2008-10-22 | 皇家飞利浦电子股份有限公司 | 使用镥本底辐射的pmt增益和能量校准 |
| US7999236B2 (en) * | 2007-02-09 | 2011-08-16 | Mropho Detection, Inc. | Dual modality detection system of nuclear materials concealed in containers |
-
2010
- 2010-07-09 WO PCT/US2010/041476 patent/WO2011006038A2/fr active Application Filing
- 2010-07-09 CA CA2743051A patent/CA2743051C/fr not_active Expired - Fee Related
- 2010-07-09 WO PCT/US2010/041491 patent/WO2011006047A2/fr active Application Filing
- 2010-07-09 EP EP10797891.8A patent/EP2452206A4/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011006038A3 (fr) | 2011-05-05 |
| WO2011006047A2 (fr) | 2011-01-13 |
| CA2743051C (fr) | 2014-09-30 |
| EP2452206A4 (fr) | 2017-03-29 |
| EP2452206A2 (fr) | 2012-05-16 |
| WO2011006047A3 (fr) | 2011-04-07 |
| WO2011006038A2 (fr) | 2011-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20180709 |