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Some Predictions of the Amati-Bertocchi-Fubini-Stanghellini-Tonin Multiperipheral Model
Phys. Rev. D 2, 154 – Published 1 July, 1970
DOI: https://doi.org/10.1103/PhysRevD.2.154
Abstract
The predictions of the Amati-Bertocchi-Fubini-Stanghellini-Tonin multiperipheral model based on pion pole dominance are calculated quantitatively and compared with experimental data, by using the Veneziano representation for the amplitude, with a cutoff at the mass of the resonance for the input kernel, and neglecting off-shell effects. We find , , an average multiplicity growing as 0.74 , an elasticity factor of 0.69, an average pion-pair transverse momentum equal to 0.43 , and an average invariant mass squared equal to 0.84 Ge. The only serious discrepancies with experiment are the trajectory heights, which correspond to a kernel strength times too weak. The inclusion of the high-subenergy contribution and the inclusion of off-shell effects by several methods of off-shell continuation are considered, but none is found to be satisfactory. The importance of interference terms, due to different ways of arranging the final-state particles along the multiperipheral chain, is discussed.
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