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GB201120166D0 - Detector apparatus and method - Google Patents

Detector apparatus and method

Info

Publication number
GB201120166D0
GB201120166D0 GBGB1120166.2A GB201120166A GB201120166D0 GB 201120166 D0 GB201120166 D0 GB 201120166D0 GB 201120166 A GB201120166 A GB 201120166A GB 201120166 D0 GB201120166 D0 GB 201120166D0
Authority
GB
United Kingdom
Prior art keywords
detector
radiation
detectors
spectral
data
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.)
Ceased
Application number
GBGB1120166.2A
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.)
Kromek Ltd
Original Assignee
Kromek Ltd
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 Kromek Ltd filed Critical Kromek Ltd
Priority to GBGB1120166.2A priority Critical patent/GB201120166D0/en
Publication of GB201120166D0 publication Critical patent/GB201120166D0/en
Priority to PCT/GB2012/052909 priority patent/WO2013076505A1/en
Priority to GB1407747.3A priority patent/GB2509673B/en
Ceased legal-status Critical Current

Links

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
    • G01T1/167—Measuring radioactive content of objects, e.g. contamination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
    • G01T1/361—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry with a combination of detectors of different types, e.g. anti-Compton spectrometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/30—Accessories, mechanical or electrical features
    • G01N2223/345—Accessories, mechanical or electrical features mathematical transformations on beams or signals, e.g. Fourier
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/618—Specific applications or type of materials food
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/626—Specific applications or type of materials radioactive material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Measurement Of Radiation (AREA)

Abstract

A method is described for the detection of radiation from an item (2) intended for human consumption such as a food or drink item by combined processing of spectral data from a plurality of radiation detectors (4, 6), in particular with a plurality of response functions, comprising: collecting data from radiation incident at each detector (4, 6); producing a spectral histogram for the collected data from each detector (4, 6); deconvoluting the histograms from each detector (4, 6) by applying a suitable numerical deconvolution such as a Bayesian deconvolution and in particular that makes use of the response matrix for each detector (4, 6) to derive a single spectral histogram that representatively combines information from the plurality of detectors (4, 6). An apparatus, such as a hybrid detector apparatus, to which the method can be applied is also described.
GBGB1120166.2A 2011-11-23 2011-11-23 Detector apparatus and method Ceased GB201120166D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB1120166.2A GB201120166D0 (en) 2011-11-23 2011-11-23 Detector apparatus and method
PCT/GB2012/052909 WO2013076505A1 (en) 2011-11-23 2012-11-23 Detector apparatus and method
GB1407747.3A GB2509673B (en) 2011-11-23 2012-11-23 Detector apparatus and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1120166.2A GB201120166D0 (en) 2011-11-23 2011-11-23 Detector apparatus and method

Publications (1)

Publication Number Publication Date
GB201120166D0 true GB201120166D0 (en) 2012-01-04

Family

ID=45475559

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1120166.2A Ceased GB201120166D0 (en) 2011-11-23 2011-11-23 Detector apparatus and method
GB1407747.3A Active GB2509673B (en) 2011-11-23 2012-11-23 Detector apparatus and method

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1407747.3A Active GB2509673B (en) 2011-11-23 2012-11-23 Detector apparatus and method

Country Status (2)

Country Link
GB (2) GB201120166D0 (en)
WO (1) WO2013076505A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670302B1 (en) * 1990-12-11 1995-11-03 France Etat Armement APPARATUS FOR MEASURING RADIOACTIVE CONTAMINATION OF A BODY.
EP1328827B1 (en) * 2000-10-11 2008-08-27 Symetrica Limited Gamma-ray spectrometry
GB0425736D0 (en) * 2004-11-23 2004-12-22 British Nuclear Fuels Plc Improvements in and relating to monitoring
GB2445578B (en) * 2007-01-15 2009-01-07 Symetrica Ltd Radioactive isotope identification
US7636638B2 (en) * 2007-11-27 2009-12-22 Canberra Industries, Inc. Hybrid radiation detection system

Also Published As

Publication number Publication date
WO2013076505A1 (en) 2013-05-30
GB201407747D0 (en) 2014-06-18
GB2509673B (en) 2020-11-11
GB2509673A (en) 2014-07-09

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)