In physics, the attenuation length or absorption length is the distance into a material when the probability has dropped to that a particle has not been absorbed. Alternatively, if there is a beam of particles incident on the material, the attenuation length is the distance where the intensity of the beam has dropped to , or about 63% of the particles have been stopped. Mathematically, the probability of finding a particle at depth x into the material is calculated by Beer–Lambert law: . In general is material and energy dependent.
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| - Longitud d'atenuació (ca)
- Absorptionslänge (de)
- Attenuation length (en)
- Lunghezza di attenuazione (it)
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| - Die Absorptionslänge ist die Strecke in einem absorbierenden Ausbreitungsmedium, bei der die anfangs einfallende Strahlung bis auf einen festgelegten Rest absorbiert wurde. Als geforderte Restgröße wird manchmal die Hälfte genommen, meistens aber 1/e (≈ 0,37). e ist die Eulersche Zahl. Die Absorptionslänge ist im Allgemeinen material- und energieabhängig. (de)
- In physics, the attenuation length or absorption length is the distance into a material when the probability has dropped to that a particle has not been absorbed. Alternatively, if there is a beam of particles incident on the material, the attenuation length is the distance where the intensity of the beam has dropped to , or about 63% of the particles have been stopped. Mathematically, the probability of finding a particle at depth x into the material is calculated by Beer–Lambert law: . In general is material and energy dependent. (en)
- In fisica delle particelle, la lunghezza di attenuazione, indicata con la sigla AT (dall'inglese attenuation length), rappresenta la lunghezza dopo la quale un fascio di particelle incidente su un materiale risulta attenuato di un fattore . Matematicamente, la probabilità di trovare una particella a una profondità x nel materiale è calcolata mediante la Legge di Lambert-Beer . In generale dipende dal materiale. L'inverso della lunghezza di attenuazione è il coefficiente di assorbimento . (it)
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| - Die Absorptionslänge ist die Strecke in einem absorbierenden Ausbreitungsmedium, bei der die anfangs einfallende Strahlung bis auf einen festgelegten Rest absorbiert wurde. Als geforderte Restgröße wird manchmal die Hälfte genommen, meistens aber 1/e (≈ 0,37). e ist die Eulersche Zahl. Die Absorptionslänge ist im Allgemeinen material- und energieabhängig. (de)
- In physics, the attenuation length or absorption length is the distance into a material when the probability has dropped to that a particle has not been absorbed. Alternatively, if there is a beam of particles incident on the material, the attenuation length is the distance where the intensity of the beam has dropped to , or about 63% of the particles have been stopped. Mathematically, the probability of finding a particle at depth x into the material is calculated by Beer–Lambert law: . In general is material and energy dependent. (en)
- In fisica delle particelle, la lunghezza di attenuazione, indicata con la sigla AT (dall'inglese attenuation length), rappresenta la lunghezza dopo la quale un fascio di particelle incidente su un materiale risulta attenuato di un fattore . Matematicamente, la probabilità di trovare una particella a una profondità x nel materiale è calcolata mediante la Legge di Lambert-Beer . In generale dipende dal materiale. L'inverso della lunghezza di attenuazione è il coefficiente di assorbimento . (it)
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