Summary
We construct a dual amplitude for 6 pions which contains the normal-parity trajectories ω-A2 in the three-body channels and ρ-f0 in the two-body ones. The leading trajectory is ghost free and has no parity doubling. Taking into account previous work, a complete solution of the construction of a 6-pion amplitude with all required physical properties in the tree approximation is now available.
Riassunto
Si costruisce un’ampiezza duale per 6 pioni che contiene le normali traiettorie di parità ω-A2 nei canali a tre corpi e ρ-f0 in quelli a due corpi. La traiettoria principale è priva di fantasmi e non ha raddoppio della parità. Tenendo conto di precedenti lavori si dispone ora di una soluzione completa della costruzione di un’ampiezza di 6 pioni con tutte le proprietà fisiche richieste nell’approssimazione ad albero.
Реэюме
Мы конструируем дуальную амплитуду для 6 пионов, которая содержит траектории с нормальной четностью ω-А2 в трех-частичных каналах и ρ-f0 в двух-частичных каналах. Главная траектория не имеет «духов» и удвоения четности. Принимая во внимание предыдушую работу, теперь имеется полное рещение по конструированию 6-пионной амплитуды со всеми требуемыми фиэическими свойствами.
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References
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This research has been supported in part by the Air Force Office of Scientific Research through the European Office of Aerospace Research, OAR, United States Air Force, under Contract F-61052-68-C-0070.
Supported by a Royal Society Postdoctoral Fellowship.
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Dorren, J.D., Rittenberg, V., Rubinstein, H.R. et al. Dual amplitudes for 6 pions with epsilon-tensor couplings. Nuov Cim A 1, 149–154 (1971). https://doi.org/10.1007/BF02722617
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DOI: https://doi.org/10.1007/BF02722617