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- W2000840329 abstract "Following earlier theoretical and experimental work (Kalinowski et al. [6], Bourquin et al. [7]), baryon production by fragmentation of incident protons in high energy hadron collisions is re-investigated in terms of a fragmentation-recombination mechanism similar to a model proposed by Fukuda and Iso [4]. The multiplicitiesnf(B) for the various types of baryonsB produced in proton fragmentation are expressed in terms of the probabilitiesai fori=0, ..., 3 valence quarks of the incident proton to emerge in the baryonB and 3−i to emerge in mesons (following [7] we suppose that antibaryon production is mostly due to baryon-antibaryon pair production by a mechanism of non-fragmentation type, and this is taken into account in deducingnf(B) from baryon and antibaryon multiplicity data). The positivity of theai is found to impose remarkably narrow constraints on thenf(B) for (meta)stableB, and we find the data to satisfy these constraints. We show furthermore that the data are compatible with uncorrelated behaviour of the valence quarks of the incident proton, each of them having a probability ≃ 0.6 to emerge in the fragmentation baryonB, and a probability ≃ 0.4 to emerge in a meson. We also briefly discuss the relation of our analysis to previous work on the recombination model of proton fragmentation and its possible extension to meson fragmentation." @default.
- W2000840329 created "2016-06-24" @default.
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- W2000840329 date "1981-06-01" @default.
- W2000840329 modified "2023-09-25" @default.
- W2000840329 title "The role of valence quarks in proton fragmentation" @default.
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- W2000840329 doi "https://doi.org/10.1007/bf01410651" @default.
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