Investigation of ϱ+, ϱ− and ϱ0 production in π+p interactions at 16 GeV/c and pp interactions at 24 GeV/c and quark model predictions

Böckmann, K.; Heilmann, H.G.; Idschok, U.; Nussbaumer, H.; Rödel, R.; Blobel, V.; Geist, W.; Leurs, D.; Laven, H.; Sixel, P.; Morrison, D. R. O.; Saarikko, H.; Schmid, Patrick; Muryn, B.; Wróblewski, A.; Ziemiński, A.

doi:10.1016/0550-3213(78)90532-1

Cited by 9 publications

(3 citation statements)

References 16 publications

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“…The rapidity distribution for p*' (figure 8 ( a ) ) produced from pp 2t 24 GeV/c (Bockmann et al 1978) is in qualitative agreement with that of 2-(1385) in K-p reactions and thus suggestive of being due to largely central production. (Here, the total inclusive p * cross sections had to be estimated by an extrapolation from the cross sections for 1C fit channels.…”

Section: \Isupporting

confidence: 58%

“…In the proton fragmentation region Eproduction should be small, as it requires double charge exchange, whereas C+ is allowed. The difference shown in (du/dy ( p -) ) in 16 GeV/c .n+p interactions (crosses) and 24 GeV/c pp interactions (full circles) as a function of y (Bockmann et al 1978). figure 7 for 10 GeV/c then suggests a fragmentation component, the equal part a central component.…”

Section: \Imentioning

confidence: 90%

“…( 6 ) The same as in ( a ) , but for m+p reactions at 16 GeV/c. (c) Comparison of the inclusive p -density ( l / ~, " ~~)(du/dy ( p -) ) in 16 GeV/c .n+p interactions (crosses) and 24 GeV/c pp interactions (full circles) as a function of y(Bockmann et al 1978).…”

mentioning

confidence: 99%

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Parton models of low momentum transfer processes

Fialkowski

Kittel

1983

Rep. Prog. Phys.

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In the last five years ample evidence has been found supporting the idea that the quark-parton structure of hadrons is relevant for multiple production in soft hadronic collisions. Starting from the experimental foundations, we compare the most successful models applying this idea. Implications are discussed on special type reactions like diffraction dissociation and collisions on nuclei, and the models are confronted with recent data leading to new insight and modifications. Relative yields of particles in the central region may be understood as reflecting their valence quark structure in the framework of quark combinatorics, and the comparison of the valence structure of initial and final hadrons allows us to understand yields in the fragmentation regions. From the structure functions of initial hadrons and/or the fragmentation functions of (di)quarks into final hadrons as seen in deep inelastic lepton-hadron or e+ecollisions, one can deduce the shape of fragmentation spectra in soft hadronic collisions. However, hadronic collisions also prove a very rich independent source of information on parton structure. Work to be done on the theoretical side is on a solid foundation of the two successful pictures of quark fragmentation and quark recombination as well as on an explanation of their apparent complementarity. On the experimental side, apart from further results from the pp collider, high statistics is needed on hydrogen and on heavier nuclei at Plab > 200 GeV/c in particular from strange beams.

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Section: \Isupporting

confidence: 58%

Section: \Imentioning

confidence: 90%