Summary
Results are presented on the multiplicity distributions of charged hadrons produced in νn, νp,\(\bar \nu n\) and\(\bar \nu p\) charged-current interactions for the hadronic energy range 2GeV≤W≤14GeV (corresponding approximately to the neutrino energy range 5GeV≤E v≤150GeV). The experimental distributions are analysed in terms of binomial distributions. With increasing hadronic energy we find a smooth transition from an ordinary binomial via Poissonian to the negative binomial function. KNO scaling holds approximately for the multiplicity distribution for the whole phase space. Data on the multiplicity distributions for neutral-current interactions are also presented.
Riassunto
Vengono presentati i risultati ottenuti per le distribuzioni in molteplicità degli adroni carichi prodotti nelle interazioni νn, νp,\(\bar \nu n\) e\(\bar \nu p\) a corrente carica per l'intervallo di energie adroniche 2GeV≤W≤14GeV (corrispondenti approssimativamente all'intervallo in energia del neutrino 5GeV≤E v≤150GeV). Le distribuzioni sperimentali sono analizzate in termini di distribuzioni binomiali. Con l'aumentare dell'energia adronica si osserva una transizione graduale da una binomiale ordinaria ad una binomiale negativa via una poissoniana. Lo scaling KNO è approssimativamente valido per la distribuzione in molteplicità su tutto lo spazio delle fasi. Vengono presentati anche dati sulle distribuzioni in molteplicità per interazioni a corrente neutra.
Резюме
Предлагаются результаты для распределений множсетвенности заряженных адронов, образованных при взаимодейстеиях заряженных токов в νn, νp,\(\bar \nu n\) и\(\bar \nu p\) соударениях в области энергий адронов 2≤W≤14ГэВ (что соответствует приблизительно области энергий нейтрино 5≤E v≤150 ГэВ). Экспериментальные распределеия анализируются в терминах биномиальных распределений. При увеличении энергий адронов мы обнаруживаем плавный переход от обычного бинома через пуассоново распределение к отрицательной биномиальной функции. KNO скейлинг приближенно выполняется для распределения множественности во всем фазовом пространстве. Также приводятся данные для распределений множественности в случае взаимодействий нейтральных токов.
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Jongejans, B., Tenner, A.G., van Apeldoorn, G.W. et al. Multiplicity distributions of charged hadrons produced in (anti)neutrino-deuterium charged- and neutral-current interactions. Nuov Cim A 101, 435–453 (1989). https://doi.org/10.1007/BF02789427
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DOI: https://doi.org/10.1007/BF02789427