ES2134098B1 - METHOD FOR THE CALIBRATION OF SPECTROMETERS BY CHERENKOV EFFECT OF RADIONUCLEIDS. - Google Patents

METHOD FOR THE CALIBRATION OF SPECTROMETERS BY CHERENKOV EFFECT OF RADIONUCLEIDS.

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Publication number
ES2134098B1
ES2134098B1 ES9601009A ES9601009A ES2134098B1 ES 2134098 B1 ES2134098 B1 ES 2134098B1 ES 9601009 A ES9601009 A ES 9601009A ES 9601009 A ES9601009 A ES 9601009A ES 2134098 B1 ES2134098 B1 ES 2134098B1
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Spain
Prior art keywords
radionuclides
cherenkov
spectrometers
calibration
calculation
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 - Fee Related
Application number
ES9601009A
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Spanish (es)
Other versions
ES2134098A1 (en
Inventor
Malonda Agustin Grau
Carles Agustin Grau
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.)
Centro de Investigaciones Energeticas Medioambientales y Tecnologicas CIEMAT
Original Assignee
Centro de Investigaciones Energeticas Medioambientales y Tecnologicas CIEMAT
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Priority to ES9601009A priority Critical patent/ES2134098B1/en
Publication of ES2134098A1 publication Critical patent/ES2134098A1/en
Application granted granted Critical
Publication of ES2134098B1 publication Critical patent/ES2134098B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

Método para la calibración de espectrómetros por efecto Cherenkov de radionucleidos. Utiliza el efecto Cherenkov de radionucleidos que se desintegran emitiendo partículas beta menos, beta más, captura electrónica seguida de emisiones gamma, o se desexcita por conversión interna y emisión de fotones gamma, y está basado en un modelo de dos parámetros libres. El procedimiento pasa por el cálculo del espectro de electrones, el cálculo del espectro de luz Cherenkov, la obtención de los parámetros de conversión luminosa y simetría y la eficiencia de recuento para dos fotomultiplicadores en coincidencia. Este sistema solo requiere conocer la eficiencia de recuento de dos radionucleidos para poder calibrar cualquier otro, con tal que emita partículas con energía superior al umbral Cherenkov de la solución en el que se incorporan los radionucleidos.El método es de aplicación en industrias dedicadas a la construcción de equipos nucleares de centelleo líquido y en vigilancia ambiental.Method for the calibration of spectrometers by Cherenkov effect of radionuclides. It uses the Cherenkov effect of radionuclides that decay by emitting beta minus, beta plus particles, electron capture followed by gamma emissions, or is de-excited by internal conversion and gamma photon emission, and is based on a two free parameter model. The procedure goes through the calculation of the electron spectrum, the calculation of the Cherenkov light spectrum, obtaining the parameters of light conversion and symmetry and the counting efficiency for two coinciding photomultipliers. This system only requires knowing the counting efficiency of two radionuclides in order to calibrate any other, as long as it emits particles with energy higher than the Cherenkov threshold of the solution in which the radionuclides are incorporated.The method is applicable in industries dedicated to the construction of nuclear equipment for liquid scintillation and environmental monitoring.

ES9601009A 1996-05-06 1996-05-06 METHOD FOR THE CALIBRATION OF SPECTROMETERS BY CHERENKOV EFFECT OF RADIONUCLEIDS. Expired - Fee Related ES2134098B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9601009A ES2134098B1 (en) 1996-05-06 1996-05-06 METHOD FOR THE CALIBRATION OF SPECTROMETERS BY CHERENKOV EFFECT OF RADIONUCLEIDS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9601009A ES2134098B1 (en) 1996-05-06 1996-05-06 METHOD FOR THE CALIBRATION OF SPECTROMETERS BY CHERENKOV EFFECT OF RADIONUCLEIDS.

Publications (2)

Publication Number Publication Date
ES2134098A1 ES2134098A1 (en) 1999-09-16
ES2134098B1 true ES2134098B1 (en) 2000-05-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
ES9601009A Expired - Fee Related ES2134098B1 (en) 1996-05-06 1996-05-06 METHOD FOR THE CALIBRATION OF SPECTROMETERS BY CHERENKOV EFFECT OF RADIONUCLEIDS.

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ES (1) ES2134098B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH505393A (en) * 1969-09-29 1971-03-31 Bbc Brown Boveri & Cie Device for measuring the energy of electrically charged particles or for generating electrically charged particles of a certain energy and method for operating this device
US4497769A (en) * 1982-05-13 1985-02-05 The United States Of America As Represented By The United States Department Of Energy Portable instrument for inspecting irradiated nuclear fuel assemblies
US5272345A (en) * 1989-09-22 1993-12-21 Ada Technologies, Inc. Calibration method and apparatus for measuring the concentration of components in a fluid
SU1742899A1 (en) * 1989-12-19 1992-06-23 Киевский Государственный Университет Им.Т.Г.Шевченко Calibration method of electron spectrometer

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Publication number Publication date
ES2134098A1 (en) 1999-09-16

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