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Title of Journal: Nuov Cim A

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Abbravation: Il Nuovo Cimento A (1965-1970)

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Società Italiana di Fisica

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DOI

10.1007/s12020-012-9825-6

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ISSN

1826-9869

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Inelastic πSuperscript/SuperscriptSuperscrip

Authors: T Angelescu A Mihul L Pascu T Preda V Ghete I Lazanu R Ionica R Garfagnini G Piragino I V Falomkin V I Lyashenko Yu A Shcherbakov
Publish Date: 2008/01/19
Volume: 100, Issue: 3, Pages: 381-395
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Abstract

New data on inelastic π3He scattering at 180 MeV are presented The crosssections of theleft pi pd right andleft pi ppn right reactions have been measured The threeprong events inelasticscattering crosssection turns out to be 958±37 mb The analysis shows evidence that the predominant mechanism of theleft pi pd right is the knockout one Detailed analyses of the momentum and angular distributions of theleft pi pd right events show that the reaction proceeds through the knockout channel on proton and on deuteron with percentages of 50 and 35 respectively The phase space contribution turns out to be of 15Приводятся новые данные для неупругого π рассеяния при энергии 180 МэВ Были измерены поперечные сечения для реакцийleft pi pd right иleft pi ppn right Поперечное сечение неупругого рассеяния для трехлучевых событий составляет 958±37 мб Проведенный анализ показывает что предоминирующий механизмleft pi pd rightпредставляет выбивание Подробный анализ импульсных и утловых распределений дляleft pi pd right событий показывает что реакция происходит через канал быбивания на протоне и на дейтоне с вероятностью 50 и 35 соответственно Вклад фазового просранства оказывается около 15Sono state misurate le sezioni durto delle reazioni inelasticheleft pi pd right eleft pi ppn right di pioni su3He Il valore della sezione durto inelastica per gli eventi a tre corpi ⪻ di 958±37 mb Lanalisi degli spettri evidenzia la predominanza del meccanismo di knockout Lanalisi dettagliata delle distribuzioni in impulso ed in angolo mostra che il processo avviene per il 50 con il meccanismo di knockout sul protone del 35 sul deutone e che il contributo di spazio delle fasi è del 15

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