Long and intermediate range phenomena; Selected topics in high energy nuclear physics

Kopeliovich, V.B.

doi:10.1016/0370-1573(86)90041-4

Cited by 24 publications

(53 citation statements)

References 95 publications

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“…For strangeness Eq. (32) is negative indicating that stranglets should have binding energies smaller than those of nuclei, or can be unbound. Since Θ F,B and Θ T,B increase with increasing B and m D this leads to the increase of binding with increasing B and mass of the flavoured state, in agreement with [17].…”

Section: Estimates Of the Spectra Of Multibaryons With Strangeness Cmentioning

confidence: 99%

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Multibaryons with strangeness, charm and bottom

Kopeliovich

Zakrzewski

2000

Eur. Phys. J. C

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Static properties of multiskyrmions with baryon numbers up to 8 are calculated, including momenta of inertia and sigma-term. The calculations are based on the recently suggested SU(2) rational map ansaetze. Minimization with the help of SU(3) variational minimization program shows that these configurations become local minima in SU(3) configuration space. The B-number dependence of the so called flavour moment of inertia of multiskyrmions playing an important role in the quantization procedure is close to the linear one. The spectra of baryonic systems with strangeness, charm and bottom are considered within a "rigid oscillator" version of the bound state soliton model. The binding energies estimates are made for the states with largest isospin which can appear as negatively charged nuclear fragments, as well as for states with zero isospin - light fragments of "flavoured" nuclear matter. Our results confirm the previously made observation that baryonic systems with charm or bottom quantum numbers have more chance to be stable with respect to strong interactions than strange baryonic systems.Comment: 13 pages, no figures. Submitted to Eur. Phys.

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Section: Estimates Of the Spectra Of Multibaryons With Strangeness Cmentioning

confidence: 99%

“…For charm and bottom Eq. (32) is positive for B ≥ 3 or 4. It follows from Table 2 that dibaryons with strangeness or charm quantum number are probably unbound, but those with b = −1 or b = −2 could be bound.…”

Section: Estimates Of the Spectra Of Multibaryons With Strangeness Cmentioning

confidence: 99%

Multibaryons with strangeness, charm and bottom

Kopeliovich

Zakrzewski

2000

Eur. Phys. J. C

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“…The models proposed to explain the origin of these particles (also called cumulative in the literature) can be divided essentially into two categories: models based on the intranuclear cascade mechanism and models based on the cumulative effect of groups of correlated nucleons/quarks. In the intranuclear cascade models, the production of particles in the kinematically forbidden region (KFR) can be seen as the result of multiple scattering and of interactions of secondary hadrons, produced in the primary ν-nucleon collision, with the other nucleons while they propagate through the nucleus [2]. The reinteraction or intranuclear cascade (INC) models usually rely on Monte Carlo methods to make their predictions [3], [4].…”

Section: Introductionmentioning

confidence: 99%

A study of backward going p and π− in interactions with the NOMAD detector

et al. 2001

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Backward proton and π − production has been studied in ν µ CC interactions with carbon nuclei. Detailed analyses of the momentum distributions, of the production rates, and of the general features of events with a backward going particle, have been carried out in order to understand the mechanism producing these particles. The backward proton data have been compared with the predictions of the reinteraction and the short range correlation models.

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“…However, for nuclei as targets the thresholds are much lower due to two-step processes with mesons in intermediate states and due to normal Fermi-motion of nucleons inside the target nucleus (see, e.g. [34]). Therefore, the production of baryons or baryonic systems with charm and bottom will be possible on accelerators with energy of several tens of Gev.…”

Section: Discussionmentioning

confidence: 99%

Strangeness, charm, and bottom in a chiral quark-meson model

Kopeliovich

Sriram

2000

Phys. Atom. Nuclei

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In this paper we investigate an SU (3) extension of the chiral quark-meson model. The spectra of baryons with strangeness, charm and bottom are considered within a "rigid oscillator" version of this model. The similarity between the quark part of the Lagrangian in the model and the Wess-Zumino term in the Skyrme model is noted. The binding energies of baryonic systems with baryon number B = 2 and 3 possessing strangeness or heavy flavor are also estimated. The results obtained are in good qualitative agreement with those obtained previously in the chiral soliton (Skyrme) model.

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Long and intermediate range phenomena; Selected topics in high energy nuclear physics

Cited by 24 publications

References 95 publications

Multibaryons with strangeness, charm and bottom

Multibaryons with strangeness, charm and bottom

A study of backward going p and π− in interactions with the NOMAD detector

Strangeness, charm, and bottom in a chiral quark-meson model

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