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Phenomenology of high energy collisions initial stages

Grant number: 21/04924-9
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): July 01, 2021
Effective date (End): August 31, 2022
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal Investigator:Jun Takahashi
Grantee:André Veiga Giannini
Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:17/05685-2 - Hadronic physics in high energy nuclear collisions, AP.ESP


The modeling of collisions involving Relativistic Heavy-Ions (RHI) has been evolving steadily, especially in the last two decades due to the start of operation of the accelerators Relativistic Heavy-Ion Collider (RHIC) and Large Hadron Collider (LHC). In the context of this thematic project, part of the researchers of the HadrEx group at Campinas State University have been developing an event simulation chain focused on describing the different steps of RHI collisions. In general terms, such steps are characterized as: I) initial conditions and the dynamics of the system produced shortly after a collision takes place ("pre-equilibrium" dynamics); II) the transition to the hydrodynamic evolution of this system; III) hadronization and final state dynamics. Simulations of this nature are complex and commonly known as "hybrid (hydrodynamic) simulations", since they make use of different inputs, specific for each step of the collision and with different degrees of sophistication. The goal of this proposal is to insert a new initial condition in the simulation chain, complementing other ongoing works focused in refining the pre-equilibrium dynamics in this same model. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GIANNINI, V, ANDRE; NARA, YASUSHI. erturbative structure of two- and four-point functions of color charge in a non-Gaussian small-x actio. EUROPEAN PHYSICAL JOURNAL C, v. 82, n. 2, . (17/05685-2, 21/04924-9, 18/24720-6, 17/14974-8)
GIANNINI, A., V; FERREIRA, M. N.; HIPPERT, M.; CHINELLATO, D. D.; DENICOL, G. S.; LUZUM, M.; NORONHA, J.; DA SILVA, T. NUNES; TAKAHASHI, J.. Assessing the ultracentral flow puzzle in hydrodynamic modeling of heavy-ion collisions. PHYSICAL REVIEW C, v. 107, n. 4, p. 7-pg., . (18/01245-0, 16/24029-6, 21/08465-9, 21/04924-9, 18/24720-6, 20/12795-1, 17/05685-2)
LIMA, YURI N.; GIANNINI, ANDRE, V; GONCALVES, VICTOR P.. Kaon production in high multiplicity events at the Large Hadron Collider. PHYSICAL REVIEW C, v. 106, n. 6, p. 7-pg., . (21/04924-9, 17/05685-2)
BEN, F. G.; GIANNINI, A., V; MACHADO, M. V. T.. Nuclear transverse momentum broadening in the color dipole approach at the LHC regime. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, v. 49, n. 10, p. 9-pg., . (17/05685-2, 21/04924-9)
DA SILVA, T. NUNES; CHINELLATO, D. D.; V. GIANNINI, A.; TAKAHASHI, J.; FERREIRA, M. N.; DENICOL, G. S.; HIPPERT, M.; NORONHA, J.; LUZUM, M.. Prehydrodynamic evolution in large and small systems. PHYSICAL REVIEW C, v. 107, n. 4, p. 12-pg., . (16/13803-2, 18/07833-1, 16/24029-6, 21/04924-9, 18/24720-6, 17/05685-2)

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