Summary
A dual-resonance model for the K+K−p -n π system is constructed with the intention of having as few parameters as possible. After having fixed these parameters by fitting the Jackson angle distribution in the reaction K−p → K*0n at 4.1 GeV/c incident momentum, we compare the prediction of the model to experiment for the reaction K−p → K−π+n and the subreactions K−p → K*0n and K−p → K**0n at incident momenta varying from 1.33 GeV/c to 11.2 GeV/c. Data on mass distributions, differential cross-sections, Jackson and Treiman-Yang angle distributions and total cross-sections are considered. The overall agreement is fairly good.
Riassunto
Si costruisce un modello di risonanza duale per il sistema K+K−p -n π con l’intento di avere il minimo numero di parametri possibile. Dopo aver fissato questi parametri approssimando la distribuzione dell’angolo di Jackson nella reazione K−p→K*0n ad un impulso incidente di 4.1 GeV/c, si confrontano le predizioni del modello con gli esperimenti per la reazione K−p→K−π+n e le sottoreazioni K−p→K*0n e K−p→K**0n ad impulsi incidenti varianti fra 1.33 GeV/c e 11.2 GeV/c. Si prendono in considerazione i dati sulle distribuzioni di massa, le sezioni d’urto differenziali, le distribuzioni degli angoli di Jackson e di Treiman-Yang e le sezioni d’urto totali. L’accordo complessivo è abbastanza buono.
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Lyberg, M.D., Gislén, L. A dual-resonance model for the K−K+p -n π− system with application to the reaction K−p → K−π+n at incident momenta from 1.33 to 11.2 GeV/c. Nuov Cim A 6, 527–542 (1971). https://doi.org/10.1007/BF02723384
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DOI: https://doi.org/10.1007/BF02723384