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- تجربة UA2 إحدى التجارب الأساسية في فيزياء الطاقة العالية التي تم تشغيلها في معمل سيرن على مصادم المسرع الأكبر للبروتونات ، وبواسطتها وتجربة UA1 تم اكتشاف بوزونات دبليو وزد عام 1983 . (ar)
- The Underground Area 2 (UA2) experiment was a high-energy physics experiment at the Proton-Antiproton Collider (SppS) — a modification of the Super Proton Synchrotron (SPS) — at CERN. The experiment ran from 1981 until 1990, and its main objective was to discover the W and Z bosons. UA2, together with the UA1 experiment, succeeded in discovering these particles in 1983, leading to the 1984 Nobel Prize in Physics being awarded to Carlo Rubbia and Simon van der Meer. The UA2 experiment also observed the first evidence for jet production in hadron collisions in 1981, and was involved in the searches of the top quark and of supersymmetric particles. Pierre Darriulat was the spokesperson of UA2 from 1981 to 1986, followed by Luigi Di Lella from 1986 to 1990. (en)
- L'esperimento UA2 fu uno degli esperimenti di fisica delle particelle più importanti all'acceleratore Super Proton Synchrotron del CERN, insieme a UA1 portò alla scoperta dei bosoni W e Z nel 1983. Il calorimetro centrale di UA2 misurava l'energia delle singole particelle create nelle collisioni protone-antiprotone. Un'accurata taratura ha permesso di risalire alle masse dei bosoni W e Z con una precisione di circa l'1%. Il calorimetro era composto da 24 strati del peso di 4 tonnellate ciascuno, disposti a spicchio intorno al punto di collisione. Le particelle incidenti producevano sciami di particelle secondarie negli strati di materiale pesante. Gli sciami, attraversando gli strati di scintillatore plastico, generavano radiazione raccolta dalle guide di luce verso l'elettronica di raccolta dei dati. La quantità di luce generata era proporzionale all'energia della particella originale. Il rivelatore UA2, viene posto nella sala sperimentale e vengono aggiunti blocchi di cemento per schermare la radiazione I 23 cm interni in piombo e scintillatori plastici misuravano elettroni e fotoni, gli 80 cm esterni di ferro e scintillatori plastici misuravano gli adroni che interagivano forte. Il rivelatore è stato calibrato iniettando luce attraverso fibre ottiche o inserendo una sorgente radioattiva nel tubo sul bordo inferiore. Uno spicchio del rivelatore UA2, esposto al Museo Microcosm del CERN (it)
- UA2 — эксперимент (детектор) в физике высоких энергий, который проводился в ЦЕРНе с 1981 по 1983 г. на коллайдере SPS. Открытие W- и Z-бозонов в ходе этого эксперимента и эксперимента UA1 в 1982 г. привело к награждению Нобелевской премией по физике Карло Руббиа и Симона ван дер Меера в 1984 г. (ru)
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- تجربة UA2 إحدى التجارب الأساسية في فيزياء الطاقة العالية التي تم تشغيلها في معمل سيرن على مصادم المسرع الأكبر للبروتونات ، وبواسطتها وتجربة UA1 تم اكتشاف بوزونات دبليو وزد عام 1983 . (ar)
- The Underground Area 2 (UA2) experiment was a high-energy physics experiment at the Proton-Antiproton Collider (SppS) — a modification of the Super Proton Synchrotron (SPS) — at CERN. The experiment ran from 1981 until 1990, and its main objective was to discover the W and Z bosons. UA2, together with the UA1 experiment, succeeded in discovering these particles in 1983, leading to the 1984 Nobel Prize in Physics being awarded to Carlo Rubbia and Simon van der Meer. The UA2 experiment also observed the first evidence for jet production in hadron collisions in 1981, and was involved in the searches of the top quark and of supersymmetric particles. Pierre Darriulat was the spokesperson of UA2 from 1981 to 1986, followed by Luigi Di Lella from 1986 to 1990. (en)
- UA2 — эксперимент (детектор) в физике высоких энергий, который проводился в ЦЕРНе с 1981 по 1983 г. на коллайдере SPS. Открытие W- и Z-бозонов в ходе этого эксперимента и эксперимента UA1 в 1982 г. привело к награждению Нобелевской премией по физике Карло Руббиа и Симона ван дер Меера в 1984 г. (ru)
- L'esperimento UA2 fu uno degli esperimenti di fisica delle particelle più importanti all'acceleratore Super Proton Synchrotron del CERN, insieme a UA1 portò alla scoperta dei bosoni W e Z nel 1983. Il calorimetro centrale di UA2 misurava l'energia delle singole particelle create nelle collisioni protone-antiprotone. Un'accurata taratura ha permesso di risalire alle masse dei bosoni W e Z con una precisione di circa l'1%. Il rivelatore UA2, viene posto nella sala sperimentale e vengono aggiunti blocchi di cemento per schermare la radiazione (it)
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- تجربة UA2 (ar)
- UA2 (it)
- UA2 experiment (en)
- UA2 (ru)
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