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A transition radiation detector (TRD) is a particle detector using the -dependent threshold of transition radiation in a stratified material. It contains many layers of materials with different indices of refraction. At each interface between materials, the probability of transition radiation increases with the relativistic gamma factor. Thus particles with large give off many photons, and small give off few. For a given energy, this allows a discrimination between a lighter particle (which has a high and therefore radiates) and a heavier particle (which has a low and radiates much less).

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  • مكشاف شعاع عبوري (ar)
  • Übergangsstrahlungsdetektor (de)
  • Detector de radiación de transición (es)
  • Transition radiation detector (en)
  • Детектор переходного излучения (ru)
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  • مكشاف شعاع عبوري في الفيزياء (بالإنجليزية:Transition Radiation Detector ) هو عداد جسيمات يقيس الجسيمات السارية بسرعات قريبة من سرعة الضوء وذلك عند عبورها الحدود بين مادتين ذات سماحية كهربائية مختلفة ، حيث يطلق الجسيم السريع عند تعدية الحدود شعاعا معينا يمكن بواسطة معرفة نوع الجسيم. (ar)
  • Übergangsstrahlungsdetektoren (engl. Transition Radiation Detector, kurz TRD) sind Teilchendetektoren, die die beim Durchgang geladener, hochrelativistischer Teilchen durch die Grenzfläche zweier Medien mit unterschiedlichen Dielektrizitätskonstanten entstehende Übergangsstrahlung nutzen, um die Identität der Teilchen zu bestimmen. (de)
  • Un detector de radiación de transición (TRD por sus siglas en inglés) es un detector de partículas que utiliza la para identificar partículas de altas energías, que pasan a través de la interfaz entre dos medios con diferentes constantes dieléctricas . La radiación de transición proporciona un método factible de calibración de energía en el rango de hasta 10 TeV, que es de interés para las búsquedas de materia oscura en rayos cósmicos.​​ Un TRD es el principal detector de electrones del experimento ALICE.​ (es)
  • Детектор переходного излучения (ДПИ), Transition Radiation Detector (TRD) — детектор быстрых заряженных частиц, который регистрирует переходное излучение, испускаемое релятивистской частицей при пересечении ею границы раздела сред с различной диэлектрической проницаемости. (ru)
  • A transition radiation detector (TRD) is a particle detector using the -dependent threshold of transition radiation in a stratified material. It contains many layers of materials with different indices of refraction. At each interface between materials, the probability of transition radiation increases with the relativistic gamma factor. Thus particles with large give off many photons, and small give off few. For a given energy, this allows a discrimination between a lighter particle (which has a high and therefore radiates) and a heavier particle (which has a low and radiates much less). (en)
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  • December 2009 (en)
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  • مكشاف شعاع عبوري في الفيزياء (بالإنجليزية:Transition Radiation Detector ) هو عداد جسيمات يقيس الجسيمات السارية بسرعات قريبة من سرعة الضوء وذلك عند عبورها الحدود بين مادتين ذات سماحية كهربائية مختلفة ، حيث يطلق الجسيم السريع عند تعدية الحدود شعاعا معينا يمكن بواسطة معرفة نوع الجسيم. (ar)
  • Übergangsstrahlungsdetektoren (engl. Transition Radiation Detector, kurz TRD) sind Teilchendetektoren, die die beim Durchgang geladener, hochrelativistischer Teilchen durch die Grenzfläche zweier Medien mit unterschiedlichen Dielektrizitätskonstanten entstehende Übergangsstrahlung nutzen, um die Identität der Teilchen zu bestimmen. (de)
  • Un detector de radiación de transición (TRD por sus siglas en inglés) es un detector de partículas que utiliza la para identificar partículas de altas energías, que pasan a través de la interfaz entre dos medios con diferentes constantes dieléctricas . La radiación de transición proporciona un método factible de calibración de energía en el rango de hasta 10 TeV, que es de interés para las búsquedas de materia oscura en rayos cósmicos.​​ Un TRD es el principal detector de electrones del experimento ALICE.​ (es)
  • A transition radiation detector (TRD) is a particle detector using the -dependent threshold of transition radiation in a stratified material. It contains many layers of materials with different indices of refraction. At each interface between materials, the probability of transition radiation increases with the relativistic gamma factor. Thus particles with large give off many photons, and small give off few. For a given energy, this allows a discrimination between a lighter particle (which has a high and therefore radiates) and a heavier particle (which has a low and radiates much less). The passage of the particle is observed through many thin layers of material put in air or gas. The radiated photon gives energy deposition by photoelectric effect, and the signal is detected as ionization. Usually materials with low are preferred for the radiator, while for photons materials with high are used to get a high cross section for photoelectric effect (ex. ). TRD detectors are used in ALICE and ATLAS experiment at Large Hadron Collider. The ALICE TRD operates together with a big TPC (Time Projection Chamber) and TOF (Time of Flight counter) to do particle identification in ion collisions. The ATLAS TRD is called TRT (Transition Radiation Tracker) which serves also as a tracker measuring particles' trajectory simultaneously. * v * t * e (en)
  • Детектор переходного излучения (ДПИ), Transition Radiation Detector (TRD) — детектор быстрых заряженных частиц, который регистрирует переходное излучение, испускаемое релятивистской частицей при пересечении ею границы раздела сред с различной диэлектрической проницаемости. (ru)
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