Strangeness production in Pb-Pb collisions at 5.02TeV in ALICE

• Grant number: 16/13803-2
• Support Opportunities: Regular Research Grants
• Start date: October 01, 2016
• End date: September 30, 2018
• Field of knowledge: Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
• Principal Investigator: David Dobrigkeit Chinellato
• Grantee: David Dobrigkeit Chinellato
• Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil

Abstract

Over the past few decades, ultra-relativistic heavy-ion collisions have been used to create high-energy-density systems in which it is believed that a deconfined state of partonic matter called the `Quark-Gluon Plasma' (QGP) is formed. A number of characteristic features of such a state of matter, such as the baryon anomaly and strangeness enhancement, have been studied both at RHIC using gold-gold (Au-Au) collisions at 200 GeV and at the LHC using lead-lead (Pb-Pb) collisions at 2.76 TeV. Recently, the LHC has delivered Pb-Pb collisions at an unprecedented center-of-mass energy of 5.02 TeV. In this project, we propose to study the baryon anomaly and strangeness enhancement in Pb-Pb collisions at this higher energy. This will allow us to determine if the underlying mechanisms responsible for such phenomena are energy-density dependent, in which case these observations will exhibit $\sqrt{s}$ dependence, or if they are system-size dependent, in which case they will mostly remain unchanged as the colliding nuclei are still of the same dimensions. Furthermore, this project also proposes the continued maintenance, operation and development of an event selection and classification framework called ``AliMultSelection'', which will be the tool to be used for any and all centrality and multiplicity selection performed in all colliding systems and is therefore fundamental not only for this project but for the ALICE experiment. (AU)

Scientific publications

(10)

(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)

ACCONCIA, R.; CHINELLATO, D. D.; DERRADI DE SOUZA, R.; TAKAHASHI, J.; TORRIERI, G.; MARKERT, C.. Resonance suppression from color reconnection. Physical Review D, v. 97, n. 3, FEB 12 2018. (16/13803-2, 14/09167-8, 17/05685-2)

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. (19/16293-3, 16/13803-2, 18/01245-0, 17/05685-2, 16/24029-6, 18/07833-1)

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, p. 4-pg., 2021-01-01. (16/13803-2, 18/01245-0, 18/07833-1, 16/24029-6, 17/05685-2)

ACCONCIA, R.; CHINELLATO, D. D.; DERRADI DE SOUZA, R.; TAKAHASHI, J.; TORRIERI, G.; MARKERT, C.. Resonance suppression from color reconnection. PHYSICAL REVIEW D, v. 97, n. 3, p. 7-pg., 2018-02-12. (16/13803-2, 17/05685-2, 14/09167-8)

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. (17/05685-2, 16/13803-2, 18/07833-1, 16/24029-6, 18/01245-0)

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. (16/13803-2, 18/01245-0, 17/05685-2, 16/24029-6, 18/07833-1)

HIPPERT, M.; BARBON, J. G. P.; CHINELLATO, D. D.; LUZUM, M.; NORONHA, J.; NUNES DA SILVA, T.; SERENONE, W. M.; TAKAHASHI, J.; EXTREME COLLABORATION. Probing the structure of the initial state of heavy-ion collisions with P-T-dependent flow fluctuations. PHYSICAL REVIEW C, v. 102, n. 6, p. 16-pg., 2020-12-22. (19/16293-3, 16/13803-2, 18/01245-0, 18/07833-1, 16/24029-6, 17/05685-2)

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., 2023-04-12. (16/13803-2, 18/07833-1, 16/24029-6, 21/04924-9, 18/24720-6, 17/05685-2)

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, p. 8-pg., 2020-03-04. (16/13803-2, 18/01245-0, 18/07833-1, 16/24029-6, 17/05685-2)

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. (18/07833-1, 16/24029-6, 17/05685-2, 18/01245-0, 18/24720-6, 16/13803-2)