Hadronization (original) (raw)
Hadronisierung bezeichnet einen Prozess in der Hochenergiephysik, wenn sich an einzelne Quarks oder Gluonen weitere Teilchen anlagern und sich dadurch Hadronen (Mesonen und Baryonen) bilden.
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| dbo:abstract | Hadronisierung bezeichnet einen Prozess in der Hochenergiephysik, wenn sich an einzelne Quarks oder Gluonen weitere Teilchen anlagern und sich dadurch Hadronen (Mesonen und Baryonen) bilden. (de) Hadronization (or hadronisation) is the process of the formation of hadrons out of quarks and gluons. There are two main branches of hadronization: quark-gluon plasma (QGP) transformation and colour string decay into hadrons. The transformation of quark-gluon plasma into hadrons is studied in lattice QCD numerical simulations, which are explored in relativistic heavy-ion experiments. Quark-gluon plasma hadronization occurred shortly after the Big Bang when the quark–gluon plasma cooled down to the Hagedorn temperature (about 150 MeV) when free quarks and gluons cannot exist. In string breaking new hadrons are forming out of quarks, antiquarks and sometimes gluons, spontaneously created from the vacuum. (en) En physique des particules, l’hadronisation est le processus par lequel des gluons et quarks libres s’assemblent en hadrons. Dans le modèle standard, l’existence de quarks libres est rendue impossible du fait du confinement de couleur, dû à l’interaction forte. Ceux-ci se combinent donc avec d’autres quarks, a priori virtuels, puis réels, pour former des hadrons (mésons et baryons) blancs de couleur. Ce phénomène est observable uniquement dans le vide très poussé des accélérateurs de particules comme le LHC. Un cône de quarks libres créé dans de tels accélérateurs s’appelle un jet. (fr) L'adronizzazione, in fisica delle particelle, è il processo di formazione degli adroni a partire da quark e gluoni liberi. Si verifica in seguito alla formazione di quark e gluoni, durante le collisioni ad alta energia che avvengono negli acceleratori di particelle. A causa del principio di confinamento di colore, quark e gluoni non possono esistere individualmente. Nel Modello standard essi possono combinarsi con quark ed antiquark creati spontaneamente dal vuoto per formare adroni. Questi processi non sono ancora interamente compresi, tuttavia vengono studiati e parametrizzati secondo teorie perturbative della Cromodinamica quantistica. È possibile analizzare i processi di adronizzazione attraverso simulazioni Monte Carlo, a partire da generatori di eventi computerizzati come PYTHIA e HERWIG. (it) Hadronizacja - w fizyce cząstek elementarnych to proces powstawania hadronów z kwarków i gluonów. Hadronizacja pojawia się podczas wysokoenergetycznych zderzeń kwarków i gluonów w akceleratorach cząstek. Miała również miejsce krótko (kilka mikrosekund) po Wielkim Wybuchu, kiedy to plazma kwarkowo-gluonowa ochłodziła się do temperatury, poniżej której wolne kwarki i gluony nie mogły istnieć (energia około 170 MeV). (pl) Адрониза́ция — процесс формирования адронов из цветных объектов — кварков и глюонов. Физическая причина явления адронизации — неспособность кварков и глюонов существовать в свободном состоянии, так как в результате хромодинамического взаимодействия кварки и глюоны комбинируются в бесцветные частицы — адроны. Детали процесса адронизации не изучены до конца, так как пока не существует удовлетворительного решения проблемы конфайнмента в рамках квантовой хромодинамики. (ru) |
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| rdfs:comment | Hadronisierung bezeichnet einen Prozess in der Hochenergiephysik, wenn sich an einzelne Quarks oder Gluonen weitere Teilchen anlagern und sich dadurch Hadronen (Mesonen und Baryonen) bilden. (de) Hadronization (or hadronisation) is the process of the formation of hadrons out of quarks and gluons. There are two main branches of hadronization: quark-gluon plasma (QGP) transformation and colour string decay into hadrons. The transformation of quark-gluon plasma into hadrons is studied in lattice QCD numerical simulations, which are explored in relativistic heavy-ion experiments. Quark-gluon plasma hadronization occurred shortly after the Big Bang when the quark–gluon plasma cooled down to the Hagedorn temperature (about 150 MeV) when free quarks and gluons cannot exist. In string breaking new hadrons are forming out of quarks, antiquarks and sometimes gluons, spontaneously created from the vacuum. (en) En physique des particules, l’hadronisation est le processus par lequel des gluons et quarks libres s’assemblent en hadrons. Dans le modèle standard, l’existence de quarks libres est rendue impossible du fait du confinement de couleur, dû à l’interaction forte. Ceux-ci se combinent donc avec d’autres quarks, a priori virtuels, puis réels, pour former des hadrons (mésons et baryons) blancs de couleur. Ce phénomène est observable uniquement dans le vide très poussé des accélérateurs de particules comme le LHC. Un cône de quarks libres créé dans de tels accélérateurs s’appelle un jet. (fr) Hadronizacja - w fizyce cząstek elementarnych to proces powstawania hadronów z kwarków i gluonów. Hadronizacja pojawia się podczas wysokoenergetycznych zderzeń kwarków i gluonów w akceleratorach cząstek. Miała również miejsce krótko (kilka mikrosekund) po Wielkim Wybuchu, kiedy to plazma kwarkowo-gluonowa ochłodziła się do temperatury, poniżej której wolne kwarki i gluony nie mogły istnieć (energia około 170 MeV). (pl) Адрониза́ция — процесс формирования адронов из цветных объектов — кварков и глюонов. Физическая причина явления адронизации — неспособность кварков и глюонов существовать в свободном состоянии, так как в результате хромодинамического взаимодействия кварки и глюоны комбинируются в бесцветные частицы — адроны. Детали процесса адронизации не изучены до конца, так как пока не существует удовлетворительного решения проблемы конфайнмента в рамках квантовой хромодинамики. (ru) L'adronizzazione, in fisica delle particelle, è il processo di formazione degli adroni a partire da quark e gluoni liberi. Si verifica in seguito alla formazione di quark e gluoni, durante le collisioni ad alta energia che avvengono negli acceleratori di particelle. A causa del principio di confinamento di colore, quark e gluoni non possono esistere individualmente. Nel Modello standard essi possono combinarsi con quark ed antiquark creati spontaneamente dal vuoto per formare adroni. Questi processi non sono ancora interamente compresi, tuttavia vengono studiati e parametrizzati secondo teorie perturbative della Cromodinamica quantistica. È possibile analizzare i processi di adronizzazione attraverso simulazioni Monte Carlo, a partire da generatori di eventi computerizzati come PYTHIA e HE (it) |
| rdfs:label | Hadronisierung (de) Hadronization (en) Adronizzazione (it) Hadronisation (fr) Hadronizacja (pl) Адронизация (ru) |
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