Deuteron fragmentationd+p → p+X at relativistic energies and the role of particle production processes

Müller, H.

doi:10.1007/bf01904168

Cited by 5 publications

(5 citation statements)

References 31 publications

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“…is identical for all subsystems considered (for details see [3]) with one exception. The "free" volume…”

Section: -Flo A2/3"~ 3 E 2 Z 2 5 R O a 113"mentioning

confidence: 93%

“…The agreement is quite good, and the energy dependence of the calculated cross sections shows the expected behaviour in the threshold region. It should be stressed that the parameters used are not especially adapted to the production of kaons but taken from [3], where the overall features of pp collisions between 0.8 GeV and 11 GeV That means that at high enough energies the suppression factor ~. strongly influences the value of the kaon production cross section.…”

Section: Production Of K + Mesons In Proton-proton Collisionsmentioning

confidence: 99%

“…The invariant masses of the excited projectile, cluster and residual nucleus are denoted by M1, M l and M L. The factors Aex (Mj), Ast (e j) and Aqs (e j) describe the excitation of the subsystems and the statistical properties of the final states into which the excited subsystems decay. A detailed discussion of these factors for hadrons and clusters can be found in [3]. Each subsystem is characterized by two parameters.…”

Section: (5)mentioning

confidence: 99%

“…Ingredients of ~he model are parametrizations of the elementary NN and rc N cross sections and a Hartree-Fock distribution for the internal momentum of the target nucleons. In the present paper, subthreshold K+-production is considered in a completely different approach, namely in the framework of the modified phase-space (MOPS) model, which has been used before to interpret the fragmentation of deuterons on hydrogen [3] and on nuclei [4]. The model is implemented as a Monte-Carlo code, which samples complete events.…”

Section: Introductionmentioning

confidence: 99%

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Subthreshold production of K+ mesons and the fragmentation of the target nucleus

Müller

Sistemich

1992

Z. Physik A - Hadrons and Nuclei

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Abstract.The interplay between subthreshold K+-production and the fragmentation of the target nucleus is considered in proton-nucleus interactions at projectile energies between 0.8 and 1 GeV. Inclusive data for the production of K + mesons and of fragments are well described in the framework of the modified phase space model. For a coincidence measurement between K + mesons and fragments the model predicts a decrease of the relative yield of intermediate mass fragments by about four orders of magnitude. This strong decrease is a consequence of energy-momentum conservation, because at subthreshold energies a second endothermic process like multifragmentation can hardly proceed simultaneously with the K + production. A K + meson is, therefore, expected to be accompanied by a heavy target residue, which is so weakly excited that it may evaporate a few nucleons but cannot decay into fragments. Due to the large energy and momentum transfer in this process the strength of the predicted effect is supposed to be sensitive to the details of the reaction dynamics.

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“…is identical for all subsystems considered (for details see [3]) with one exception. The "free" volume…”

Section: -Flo A2/3"~ 3 E 2 Z 2 5 R O a 113"mentioning

confidence: 93%

Section: Production Of K + Mesons In Proton-proton Collisionsmentioning

confidence: 99%

Section: (5)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Subthreshold production of K+ mesons and the fragmentation of the target nucleus

Müller

Sistemich

1992

Z. Physik A - Hadrons and Nuclei

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“…The Rossendorf collision (ROC) model [11,12,13,14,15,16,17] is basically a statistical approach in deriving the relative contributions of the various final channels by calculating their statistical weights from the phase-space factors, which are, however, strongly modified by empiri-cal transition matrix elements. It aims at describing soft hadron production in the energy region between particle production thresholds and ISR energies.…”

Section: Introductionmentioning

confidence: 99%

Soft hadron production in pp interactions up to ISR energies

Müller

2001

Eur. Phys. J. C

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Abstract. Soft hadron production is described as a two-step process, where the interaction of the partonic constituents of the colliding hadrons leads to the production of intermediate subsystems (fireballs), which decay subsequently into hadrons. The weights of the various final states are derived from the corresponding phase-space factors modified by empirical transition elements. The results compare well with data at energies between particle production thresholds and ISR energies. Special emphasis is put on correlation data, which offer the opportunity to shed some light on the question whether particle production proceeds via fireballs or strings.

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QCD and Deuteron Structure at Small Distances: Theoretical Motivations for Experiments with Beam of High Energy Polarized Deuterons in Dubna

Kobushkin

1991

High Energy Spin Physics

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Deuteron fragmentationd+p → p+X at relativistic energies and the role of particle production processes

Cited by 5 publications

References 31 publications

Subthreshold production of K+ mesons and the fragmentation of the target nucleus

Subthreshold production of K+ mesons and the fragmentation of the target nucleus

Soft hadron production in pp interactions up to ISR energies

QCD and Deuteron Structure at Small Distances: Theoretical Motivations for Experiments with Beam of High Energy Polarized Deuterons in Dubna

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