The NICA/MPD Project at JINR

Musulmanbekov, G.

doi:10.1016/j.nuclphysa.2011.05.047

Cited by 9 publications

(6 citation statements)

References 8 publications

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“…Actually, the ongoing SeaQuest experiment [32], measuring Drell-Yan scattering in Fermilab, aims at providing more precise data on light quark-antiquark components, extending the Bjorken-x domain to x ≈ 0.45, where the sea quark distributions are dominated by nonperturbative regime. Moreover, determination of the PDFs will benefit from the upcoming data from facilities such as the LHC [33,34], JLab [35], J-PARC [36] and NICA [37,38].…”

Section: Discussionmentioning

confidence: 99%

Intrinsic light and strange quark-antiquark pairs in the proton and nonperturbative strangeness suppression

Saghai

2017

Phys. Rev. D

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The CLAS Collaboration recently reported measured ratios of pion and kaon electroproduction cross sections from a proton target and extracted the ratios for light and strange quark-antiquark pairs, uū/dd and ss/dd. Within an extended chiral constituent quark formalism, we investigate contributions to those ratios from the nonperturbative mechanism due to all possible intrinsic |uudQQ Fock states in the proton; with QQ ≡ uū, dd, ss, cc. Our results are compared with the CLAS data and findings from other phenomenological approaches, offering insights into the manifestations of the genuine five-quark Fock states in the proton and its relevance to interpreting the experimental data.

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Section: Discussionmentioning

confidence: 99%

Intrinsic light and strange quark-antiquark pairs in the proton and nonperturbative strangeness suppression

Saghai

2017

Phys. Rev. D

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“…Thermodynamics (for example, through the virial coefficients that depend on the interaction) as well as transport (the scattering rate enters the Boltzmann equation) calculations are bound to require estimates of gluon-hadron scattering. There is even a planned facility in whose physics programme looking for this mixed phase occupies a very prominent place [26], and other existing or planned experiments can probably also look for signatures of this mixed phase (ALICE at the LHC, STAR at RHIC, or CBM at FAIR).…”

Section: Discussionmentioning

confidence: 99%

To What Extent is Gluon Confinement an Empirical Fact?

2012

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Experimental verifications of Confinement in hadron physics have established the absence of charges with a fraction of the electron's charge by studying the energy deposited in ionization tracks at high energies, and performing Millikan experiments with charged droplets at rest. These experiments test only the absence of particles with fractional charge in the asymptotic spectrum, and thus "Quark" Confinement. However what theory suggests is that Color is confined, that is, all asymptotic particles are color singlets. Since QCD is a non-Abelian theory, the gluon force carriers (indirectly revealed in hadron jets) are colored.We empirically examine what can be said about Gluon Confinement based on the lack of detection of appropriate events, aiming at an upper bound for high-energy free-gluon production.

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“…There is no other procedure to define such regions without the method described above, which has proved to be useful in data processing for various systems during the RMT analysis [8,24]. In the present paper we consider the nearest-neighbor spacing momentum distribution for all charged secondary particles, and the nearest-neighbor spacing momentum distribution for N ch [10][11][12][13][14][15][16][17][18][19][20][21][22] from experimental data, and then compare them with the nearest-neighbor spacing momentum distribution for all charged secondary particles and the nearest-neighbor spacing momentum distribution for N ch [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24] from the Dubna Cascade Model to the see changes with the increasing number of charged particles.…”

Section: Methodsmentioning

confidence: 99%

“…We used the simulated data that have been obtained from the DCM [23]. We have generated 200000 events of 12 C-C collisions at 4.2 AGeV/c in the lab frame.…”

Section: Dubna Cascade Modelmentioning

confidence: 99%

Central nucleus-nucleus collisions at relativistic energies with a new method based on Random Matrix Theory

et al. 2010

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Using the method based on Random Matrix Theory (RMT), the results for the nearest-neighbor distributions obtained from the experimental data on 12 C-C collisions at 4.2 AGeV/c have been discussed and compared with the simulated data on 12 C-C collisions at 4.2 AGeV/c produced with the aid of the Dubna Cascade Model. The results show that the correlation of secondary particles decreases with an increasing number of charged particles N ch . These observed changes in the nearest-neighbor distributions of charged particles could be associated with the centrality variation of the collisions.

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The NICA/MPD Project at JINR

Cited by 9 publications

References 8 publications

Intrinsic light and strange quark-antiquark pairs in the proton and nonperturbative strangeness suppression

Intrinsic light and strange quark-antiquark pairs in the proton and nonperturbative strangeness suppression

To What Extent is Gluon Confinement an Empirical Fact?

Central nucleus-nucleus collisions at relativistic energies with a new method based on Random Matrix Theory

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