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Symmetric fragmentation of jets and Regge behaviour

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Il Nuovo Cimento A (1965-1970)

Summary

A new cascade model of hardron fragmentation is proposed, which satisfies the following properties of the multiperipheral model: i) symmetry under rapidity reversal; ii) strong cut-off in momentum transfer squared; iii) physical multi-Regge and triple-Regge limits. The model is applied to the dual cut pomeron. Improvements over the dual parton models are pointed out. The possibility of treating higher orders of the reggeon field theory, such as diffraction, exchange of several cut pomerons and enhanced diagrams, is discussed.

Riassunto

Si propone un nuovo modello a cascata della frammentazione adronica, chesoddisfa le seguenti proprietà del modello multiperiferico: i) simmetria rispetto ad inversione di rapidità; ii) forte taglio nell'impulso trasferito al quadrato; iii) limiti fisici di multi-Regge e triplo-Regge. Si applica il modello al pomerone del taglio duale. Si illustrano i miglioramenti rispetto ai modelli duali del partone. Si discute la possibilità di trattare ordini superiori della teoria dei campi di reggeoni, come la diffrazione, lo scambio di alcuni pomeroni del taglio e diagrammi accresciuti.

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Laboratoire associé au C.N.R.S.

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Artru, X. Symmetric fragmentation of jets and Regge behaviour. Nuov Cim A 93, 69–88 (1986). https://doi.org/10.1007/BF02773443

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  • DOI: https://doi.org/10.1007/BF02773443

PACS.12.40.Ss.

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