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Investigating the strong nuclear interactions under extreme conditions

Abstract

By colliding the nuclei of heavy atoms that have been accelerated to incredible energy, we are able to create exotic states of matter and probe fundamental properties of the universe. In particular, it is believed that extremely high temperatures can be achieved in these relativistic heavy-ion collisions. Under these conditions, the physics is governed by Quantum Chromodynamics (QCD), the fundamental theory of the strong nuclear interactions. According to QCD, at such high temperature there should exist a new phase of matter called the Quark-Gluon Plasma (QGP). Results from the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC) have already given a qualitative demonstration of the creation of a strongly interacting, almost- perfect fluid QGP. New data from RHIC and LHC will provide an opportunity to quantify properties of the QGP medium, as well as to characterize the non-equilibrium dynamics of the early stages of a collision. I propose here to use state-of-the-art phenomenological and theoretical tools to extract precise quantitative information from these new experimental data. Specifically, it is proposed to obtain the first precise determination of the thermodynamic and transport properties of the QGPshear and bulk viscosity and the equilibrium phase diagram (e.g., the existence and location of a possible critical point)-including a quantitative determination of systematic uncertainty. Simultaneously, it is proposed to study the non-equilibrium, pre-QGP initial stages of these col- lisions, in order to determine the correct description of the low-x regime of the nuclear wavefunction and the dynamic mechanisms that drive the collision system toward equilibrium. (AU)

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Scientific publications (19)
(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)
CAO, S.; CHEN, Y.; COLEMAN, J.; MULLIGAN, J.; JACOBS, P. M.; SOLTZ, R. A.; ANGERAMI, A.; ARORA, R.; BASS, S. A.; CUNQUEIRO, L.; DAI, T.; DU, L.; EHLERS, R.; ELFNER, H.; EVERETT, D.; FAN, W.; FRIES, R. J.; GALE, C.; GARZA, F.; HE, Y.; HEFFERNAN, M.; HEINZ, U.; JACAK, V, B.; JEON, S.; KE, W.; KIM, B.; KORDELL, II, M.; KUMAR, A.; MAJUMDER, A.; MAK, S.; MCNELIS, M.; NATTRASS, C.; OLIINYCHENKO, D.; PARK, C.; PAQUET, J-F; PUTSCHKE, J. H.; ROLAND, G.; SILVA, A.; SCHENKE, B.; SCHWIEBERT, L.; SHEN, C.; SIRIMANNA, C.; TACHIBANA, Y.; VUJANOVIC, G.; WANG, X-N; WOLPERT, R. L.; XU, Y.; COLLABORATION, JETSCAPE. Determining the jet transport coefficient (q)over-cap from inclusive hadron suppression measurements using Bayesian parameter estimation. Physical Review C, v. 104, n. 2 AUG 11 2021. Web of Science Citations: 0.
EVERETT, D.; KE, W.; PAQUET, J-F; VUJANOVIC, G.; BASS, S. A.; DU, L.; GALE, C.; HEFFERNAN, M.; HEINZ, U.; LIYANAGE, D.; LUZUM, M.; MAJUMDER, A.; MCNELIS, M.; SHEN, C.; XU, Y.; ANGERAMI, A.; CAO, S.; CHEN, Y.; COLEMAN, J.; CUNQUEIRO, L.; DAI, T.; EHLERS, R.; ELFNER, H.; FAN, W.; FRIES, R. J.; GARZA, F.; HE, Y.; JACAK, V, B.; JACOBS, P. M.; JEON, S.; KIM, B.; KORDELL, II, M.; KUMAR, A.; MAK, S.; MULLIGAN, J.; NATTRASS, C.; OLIINYCHENKO, D.; PARK, C.; PUTSCHKE, J. H.; ROLAND, G.; SCHENKE, B.; SCHWIEBERT, L.; SILVA, A.; SIRIMANNA, C.; SOLTZ, R. A.; TACHIBANA, Y.; WANG, X-N; WOLPERT, R. L. Phenomenological Constraints on the Transport Properties of QCD Matter with Data-Driven Model Averaging. Physical Review Letters, v. 126, n. 24 JUN 17 2021. Web of Science Citations: 4.
DA SILVA, T. NUNES; CHINELLATO, D.; DENICOL, G. S.; HIPPERT, M.; LUZUM, M.; NORONHA, J.; SERENONE, W.; TAKAHASHI, J.; COLLABORATION, EXTREME. Prehydrodynamic evolution and its signatures in final-state heavy-ion observables. Physical Review C, v. 103, n. 5 MAY 16 2021. Web of Science Citations: 0.
GARDIM, FERNANDO G.; GRASSI, FREDERIQUE; ISHIDA, PEDRO; LUZUM, MATTHEW; OLLITRAULT, JEAN-YVES. p(T)-dependent multiplicity fluctuations from PCA and initial conditions. Nuclear Physics A, v. 1005, n. SI JAN 2021. Web of Science Citations: 0.
GARDIM, FERNANDO G.; GIACALONE, GIULIANO; LUZUM, MATTHEW; OLLITRAULT, JEAN-YVES. Effects of initial state fluctuations on the mean transverse momentum. Nuclear Physics A, v. 1005, n. SI JAN 2021. Web of Science Citations: 0.
HIPPERT, M.; CHINELLATO, D. D.; LUZUM, M.; NORONHA, J.; NUNES DA SILVA, T.; TAKAHASHI, J. Momentum-dependent flow fluctuations as a hydrodynamic response to initial geometry. Nuclear Physics A, v. 1005, n. SI JAN 2021. Web of Science Citations: 0.
SOUSA, JEFFERSON; NORONHA, JORGE; LUZUM, MATTHEW. System response to the initial energy-momentum tensor in relativistic heavy-ion collisions. Nuclear Physics A, v. 1005, n. SI JAN 2021. Web of Science Citations: 0.
HIPPERT, M.; BARBON, J. G. P.; CHINELLATO, D. D.; LUZUM, M.; NORONHA, J.; NUNES DA SILVA, T.; SERENONE, W. M.; TAKAHASHI, J.; COLLABORATION, EXTREME. Probing the structure of the initial state of heavy-ion collisions with P-T-dependent flow fluctuations. Physical Review C, v. 102, n. 6 DEC 22 2020. Web of Science Citations: 0.
CARZON, P.; RAO, S.; LUZUM, M.; SIEVERT, M.; NORONHA-HOSTLER, J. Possible octupole deformation of Pb-208 and the ultracentral v(2) to v(3) puzzle. Physical Review C, v. 102, n. 5 NOV 9 2020. Web of Science Citations: 0.
HIPPERT, M.; CHINELLATO, D. D.; LUZUM, M.; NORONHA, J.; NUNES DA SILVA, T.; TAKAHASHI, J. Measuring momentum-dependent flow fluctuations in heavy-ion collisions. Physical Review C, v. 101, n. 3 MAR 4 2020. Web of Science Citations: 0.
GARDIM, FERNANDO G.; GIACALONE, GIULIANO; LUZUM, MATTHEW; OLLITRAULT, JEAN-YVES. Thermodynamics of hot strong-interaction matter from ultrarelativistic nuclear collisions. Nature Physics, v. 16, n. 6 MAR 2020. Web of Science Citations: 12.
GARDIM, FERNANDO G.; GRASSI, FREDERIQUE; ISHIDA, PEDRO; LUZUM, MATTHEW; OLLITRAULT, JEAN-YVES. p(T)-dependent particle number fluctuations from principal-component analyses in hydrodynamic simulations of heavy-ion collisions. Physical Review C, v. 100, n. 5 NOV 14 2019. Web of Science Citations: 1.
GIANNINI, V, ANDRE; GRASSI, FREDERIQUE; LUZUM, MATTHEW. Bulk quantities in nuclear collisions from running-coupling k(T) factorization and hybrid simulations. Physical Review C, v. 100, n. 1 JUL 31 2019. Web of Science Citations: 0.
BHALERAO, RAJEEV S.; GIACALONE, GIULIANO; GUERRERO-RODRIGUEZ, PABLO; LUZUM, MATTHEW; MARQUET, CYRILLE; OLLITRAULT, JEAN-YVES. RELATING ECCENTRICITY FLUCTUATIONS TO DENSITY FLUCTUATIONS IN HEAVY-ION COLLISIONS. ACTA PHYSICA POLONICA B, v. 50, n. 6, p. 1165-1176, JUN 2019. Web of Science Citations: 1.
GARDIM, FERNANDO G.; GRASSI, FREDERIQUE; ISHIDA, PEDRO; LUZUM, MATTHEW; MAGALHAES, PABLO S.; NORONHA-HOSTLER, JACQUELYN. Probing the transverse size of initial inhomogeneities with flow observables. Nuclear Physics A, v. 982, p. 419-422, FEB 2019. Web of Science Citations: 0.
GIACALONE, GIULIANO; NORONHA-HOSTLER, JACQUELYN; LUZUM, MATTHEW; OLLITRAULT, JEAN-YVES. Confronting hydrodynamic predictions with Xe-Xe data. Nuclear Physics A, v. 982, p. 371-374, FEB 2019. Web of Science Citations: 1.
DUMITRU, ADRIAN; GIANNINI, ANDRE V.; LUZUM, MATTHEW; NARA, YASUSHI. Particle multiplicities in the central region of high-energy collisions from k(T)-factorization with running coupling corrections. Physics Letters B, v. 784, p. 417-422, SEP 10 2018. Web of Science Citations: 3.
GARDIM, FERNANDO G.; GRASSI, FREDERIQUE; ISHIDA, PEDRO; LUZUM, MATTHEW; MAGALHAES, PABLO S.; NORONHA-HOSTLER, JACQUELYN. Sensitivity of observables to coarse-graining size in heavy-ion collisions. Physical Review C, v. 97, n. 6 JUN 29 2018. Web of Science Citations: 9.
GIACALONE, GIULIANO; NORONHA-HOSTLER, JACQUELYN; LUZUM, MATTHEW; OLLITRAULT, JEAN-YVES. Hydrodynamic predictions for 5.44 TeV Xe+Xe collisions. Physical Review C, v. 97, n. 3 MAR 6 2018. Web of Science Citations: 28.

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