Structure of hadron beam jets at smallP T

Kinoshita, Kisei; Noda, Hidetoshi; Tashiro, Tsutomu; Mizouchi, Masayoshi

doi:10.1007/bf01554393

Cited by 12 publications

(8 citation statements)

References 21 publications

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“…Diquarks as single entities appear also in the framework of quark-diquark cascade models to explain small-/? T hadronic production in highenergy interactions (Kinoshita et al, 1980(Kinoshita et al, , 1982a(Kinoshita et al, , 1982bMisra et al, 1982;Tashiro et al, 1987) and in a preasymptotic mechanism for nucleon-antinucleon annihilation (Zakharov and Kopeliovich, 1989). Diquarks, in quark-diquark fragmentation chains or quark-diquark fusion or recombination schemes, are often introduced in the description of the hadronic production of baryons, in particular hyperons (see Donnachie, 1980;Fisjak and Kistenev, 1981;Cooke, 1984;and, essentially, all Monte Carlo-based schemes).…”

Section: Soft Hadronic Processesmentioning

confidence: 99%

Diquarks

et al. 1993

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It is becoming increasingly clear that the concept of a diquark (a two-quark system) is important for understanding hadron structure and high-energy particle reactions. According to our present knowledge of quantum chromodynamics (QCD), diquark correlations arise in part from spin-dependent interactions between two quarks, from quark radial or orbital excitations, and from quark mass differences. Diquark substructures affect the static properties of baryons and the mechanisms of baryon decay. Diquarks also play a role in hadron production in hadron-initiated reactions, deep-inelastic lepton scattering by hadrons, and in e + e~ reactions. Diquarks are important in the formation and properties of baryonium and mesonlike semistable states. Many spin effects observed in high-energy exclusive reactions pose severe problems for the pure quark picture of baryons and might be explained by the introduction of diquarks as hadronic constituents. There is considerable controversy, not about the existence of diquarks in hadrons, but about their properties and their effects. In this work a broad selection of the main ideas about diquarks is reviewed.

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Section: Soft Hadronic Processesmentioning

confidence: 99%

Diquarks

et al. 1993

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“…According to Ref. 1), the u-and d-quark distributions in 7[+ are given as follows: (4 ) The value of (3u is equal to 0.5. While the value of (3, is related to the ¢ trajectory We discuss the emission function gH/P(Z).…”

Section: Distribution Functions Of Constituents In K+ and 7[+mentioning

confidence: 99%

“…In Ref. 1), we considered a system consisting of the constituents q, q, qq and qq and the hadrons M, B and E. The cascades of q-qq and q-qq channels are decoupled because of the color conserva· tion. Thus, hereafter, we consider the cascade channel consisting of q and qq.…”

Section: Distribution Functions Of Constituents In K+ and 7[+mentioning

confidence: 99%

“…However, flavor dependence and resonance effects were neglected in Ref. 1). In this paper we investigate the quark-diquark cascade model which includes flavor and resonance in order to describe various features of the data unifiedly_ We analyze the invariant inclusive distributions of vector and pseudoscalar mesons and octet baryons and antibaryons in K+ and 7[+ beam jets.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Meson and Baryon Productions in K+ and + Beam Jets and Quark-Diquark Cascade Model

Kinoshita¹,

Noda²,

Tashiro³

1982

Progress of Theoretical Physics

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A quark·diquark cascade model which includes flavor dependence and resonance effect is studied. The inclusive distributions of vector and pseudoscalar mesons and octet baryons and antibaryons in K+ and 7[+ beam jets are analyzed. The contribution of decuplet baryons to the octet baryon spectra is very important in meson beam jet. The effects of the asymmetric u· and s-quark distributions in K+ and the SU(6)-symmetry breaking for the produced octet baryon are discussed in connection with the 7[+/ K+ beam ratio and other data.

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“…In previous paper [14], we investigated the extended MCM(EMCM) on the basis of MCM with successive collision [15] and estimated the full combinations of chain configuration in terms of the vector-operator method in the moment space by consulting the Mellin transformation [13]. We derived the analytic forms for singleparticle distributions in A-A collisions.…”

Section: Introductionmentioning

confidence: 99%

High-Energy Antinucleus-Nucleus Collisions and Extended Multi-Chain Model

Noda,

Nakariki,

Tashiro

2012

Preprint

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Structure of hadron beam jets at smallP T

Cited by 12 publications

References 21 publications

Diquarks

Diquarks

Meson and Baryon Productions in K+ and + Beam Jets and Quark-Diquark Cascade Model

High-Energy Antinucleus-Nucleus Collisions and Extended Multi-Chain Model

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