Summary
Applying the quark model to weak production of pseudoscalar mesons, we predict the absence of some reactions by requiring only nonexotict-channel exchanges. Further, we derive relationships between several production cross-sections based on the additivity assumption of the quark model.
Riassunto
Applicando il modello a quark alla produzione debole di mesoni pseudoscalari, si predice l'assenza di alcune reazioni richiedendo solo scambi nel canalet non esotici. Inoltre si deducono relazioni fra parecchie sezioni d'urto di produzione sulla base dell'ipotesi dell'additività del modello a quark.
Резюме
Применяя модель кварков к слабому рождению псевдоскалярных мезонов, мы предсказываем отсутствие некоторых реакций, требуя только неэкзотических обменов вt-канале. Кроме того, основываясь на предположении аддитивности для модели кварков, мы выводим соотношения между несколькими поперечными сечениями рождения.
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References
H. Joos:Electromagnetic properties and interactions of particles in the SU 3 symmetry scheme and quark model, appeared inHadronic Interactions of Electrons and Photons, edited byJ. Cunning andH. Osborn (London and New York, 1971). References to original literature are cited there. Here we list only two of the basic works:H. J. Lipkin andF. Scheck:Phys. Rev. Lett.,18, 347 (1967);I. Barbour andR. G. Moorhouse:Nucl. Phys.,20 B, 629 (1970).
M. Krammer:Quark model relations for the electroproduction of pseudoscalar mesons, Report DESY 71/60 (October 1971).
G. Morpurgo:Lectures on the quark model, appeared inTheory and Phenomenology in Particle Physics, edited byA. Zichichi (London and New York, 1969).
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Köpp, G., Rein, D. & Zerwas, P. Quark model predictions for weak production of pseudoscalar mesons. Nuov Cim A 13, 793–804 (1973). https://doi.org/10.1007/BF02784104
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DOI: https://doi.org/10.1007/BF02784104