Relativistic diffusion model for hadron production in p-Pb collisions at energies available at the CERN Large Hadron Collider
We investigate charged-hadron production in relativistic heavy-ion collisions of asymmetric systems within a nonequilibrium-statistical framework. Calculated centrality-dependent pseudorapidity distributions for p-Pb collisions at √𝑠NN=5.02 and 8.16 TeV are compared with data from the Large Hadron C...
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| Main Authors: | , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
2024
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| In: |
Physical review
Year: 2024, Volume: 110, Issue: 4, Pages: 044910-1 - 044910-13 |
| ISSN: | 2469-9993 |
| DOI: | 10.1103/PhysRevC.110.044910 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevC.110.044910 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevC.110.044910 
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| Author Notes: | Philipp Schulz and Georg Wolschin (Institute for Theoretical Physics, Heidelberg University) |
MARC
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| 520 | |a We investigate charged-hadron production in relativistic heavy-ion collisions of asymmetric systems within a nonequilibrium-statistical framework. Calculated centrality-dependent pseudorapidity distributions for p-Pb collisions at √NN=5.02 and 8.16 TeV are compared with data from the Large Hadron Collider. Our approach combines a relativistic diffusion model with formulations based on quantum chromodynamics while utilizing numerical solutions of a Fokker-Planck equation to account for the shift and broadening of the fragmentation sources for particle-production with respect to the stopping (net-baryon) rapidity distributions. To represent the centrality dependence of charged-hadron production in asymmetric systems over a broad region of pseudorapidities, the consideration and precise modeling of the fragmentation sources, along with the central gluon-gluon source, is found to be essential. Specifically, this results in an inversion of the particle-production amplitude from backward to forward dominance when transitioning from central to peripheral collisions, in agreement with recent ATLAS and ALICE p-Pb data at √NN=5.02TeV. | ||
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