Summary
We have studied various charge- and hypercharge-exchange processes in the Veneziano model. Differential cross-sections have been calculated for charge-exchange processes like ’π−p →ηn, K−p →\(\bar K\) 0n and K+n → K0p, and hypercharge-exchange processes like K−n → π−Λ and K−p → π−Σ+. Polarization has been calculated for certain processes. We find fairly good fit for the differential cross-sections. Our results for polarization are in qualitative agreement with experimental results.
Riassunto
Si sono studiati vari processi con scambio di carica e di ipercarica nel modello di Veneziano. Si sono calcolate le sezioni d’urto per processi con scambio di carica come π−p → ηn, K−p →\(\bar K\) 0n e K+n → K0p, e per processi con scambio di ipercarica come K−n → π− Λ e K− p → π−Σ+. Per alcuni processi si è calcolata la polarizzazione. Si trova un accordo abbastanza buono per le sezioni d’urto differenziali. I nostri risultati per la polarizzazione concordano qualitativamente con i risultati sperimentali.
Реэюме
В модели Венециано мы исследовали раэличные процессы с обменом эарядами и гиперэарядами. Были вычислены дифференциальные поперечные сечения для процессов переэарядки, подобных π−p → ηn, K−p → K0n и K+p → K0p, и процессов с обменом гиперэарядами, подобных K−n → π−Λ и K−p → π−Σ+. Для некоторых процессов была вычислена поляриэация. Мы получаем довольно хорощее соответствие для дифференциальных поперечных сечений. Нащи реэультаты для поляриэации качественно согласуются с зкспериментальными реэультатами.
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Maharana, J., Ramachandran, R. Charge- and hypercharge-exchange processes in the Veneziano model. Nuov Cim A 5, 603–618 (1971). https://doi.org/10.1007/BF02734568
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DOI: https://doi.org/10.1007/BF02734568