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Analysis of \(\bar K\) final states produced in K-proton interactions at 6 GeV/cfinal states produced in K-proton interactions at 6 GeV/c

Аналиэ конечных состояний \(\bar K\), рожденных в K-протонных вэаимодействиях при 6 ГЭB/c, рожденных в K-протонных вэаимодействиях при 6 ГЭB/c

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Il Nuovo Cimento A (1965-1970)

Summary

The reactions Kp→Kpπ;π;+, \(\bar K\) 0pπ;π;0 and \(\bar K\) 0nπ;π;+ have been studied in a bubble-chamber experiment with a beam of 6 GeV/c kaons. Cross-sections are given for the various resonances produced in each channel. The low mass enhancement in the Kπ;π; system is discussed. There is a significant difference in the production of the K*(890) in the channels K*nπ;+ and K*pπ;0. No evidence of the L-meson, seen in other K+ and K experiments, is found and an upper limit is set on its production.

Riassunto

Si sono studiate le reazioni Kp→Kpπ;π;+, \(\bar K\) 0pπ;π;0 e \(\bar K\) 0nπ;π;+ in esperimenti in camera a bolle con un fascio di kaoni di 6 GeV/c. Si forniscono le sezioni d’urto per le varie risonanze prodotte in ogni canale. Si discute il piccolo aumento di massa nel sistema Kπ;π;. Vi è una differenza significativa nella produzione di K*(890) nei canali K*nπ;+ e K*pπ;0. Non vi è alcuna prova dell’esistenza del mesone L, visto in altri esperimenti con K+ e K, e si pone un limite superiore alla sua produzione.

Реэуме

Были исследованы реакции Kp→Kpπ;π;+, \(\bar K\) 0pπ;π;0 и \(\bar K\) 0nπ;π;+ в Экспериментах в пуэырьковой камере с пучком каонов с импульсом 6 ГЭB/c. Приводятся поперечные сечения для раэличных реэонансов, рожденных в каждом канале. Обсуждается увеличение при малой массе в системе Kπ;π;. Сушествует эначительное раэличие в рождении K*-(890) в каналах K*nπ;+ и K*pπ;0. Не обнаружено подтверждений L-меэона, наблюденного в других K+ и K Экспериментах, и устанавливается верхний предел для рождения L-меэона.

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Birmingham-Glasgow-London (I.C.)-München-Oxford-Rutheford Laboratory Collaboration., Colley, D.C., Eastwood, D. et al. Analysis of \(\bar K\) final states produced in K-proton interactions at 6 GeV/cfinal states produced in K-proton interactions at 6 GeV/c. Nuovo Cimento A (1965-1970) 59, 519–534 (1969). https://doi.org/10.1007/BF02753159

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