Living on the edge: radius effects in the angular substructure of heavy-ion jets
Submitted to Physical Review D
Discussion about edge effects in jet subtructure measurements. Detailed examples are given in the case of energy-energy correlators.
Reference: C. Andres, J. Holguin, B. Kimelman, R. Kunnawalkam Elayavalli, J. Viinikainen, Z. Yang, "Living on the edge: radius effects in the angular substructure of heavy-ion jets", arXiv:2512.10026
Observation of nuclear modification of energy-energy correlators inside jets in heavy ion collisions
Published in Physics Letters B, 2025
First ever measurement of energy-energy correlators in heavy ion collisions.
Reference: CMS Collaboration, "Observation of nuclear modification of energy-energy correlators inside jets in heavy ion collisions", Phys. Lett. B 866 (2025) 139556 [2503.19993]
Minimizing selection bias in inclusive jets in heavy-ion collisions with energy correlators
Published in Physical Review Letters, 2025
Derivation of a scaling factor to minimize selection bias from energy-energy correlator measurements and simulation study to illustrate the scaling factor works.
Reference: C. Andres, J. Holguin, R. Kunnawalkam Elayavalli, J. Viinikainen, "Minimizing selection bias in inclusive jets in heavy-ion collisions with energy correlators", Phys. Rev. Lett. 134 (2025) 8, 082303 [2409.07514]
Azimuthal anisotropy of dijet events in PbPb collisions at \(\sqrt{s_{\mathrm{NN}}} = 5.02 \) TeV
Published in Journal of High Energy Physics, 2023
Measurement of dijet \(v_{n}\) components.
Reference: CMS Collaboration, "Azimuthal anisotropy of dijet events in PbPb collisions at \(\sqrt{s_{\mathrm{NN}}} = \) 5.02 TeV", JHEP 07 (2023) 139 [2210.08325]
In-medium modification of dijets in PbPb collisions at \(\sqrt{s_{\mathrm{NN}}} = 5.02 \) TeV
Published in Journal of High Energy Physics, 2021
Measurement of jet shapes for leading and subleading jets in dijet events as a function of \(x_{j}\).
Reference: CMS Collaboration, "In-medium modification of dijets in PbPb collisions at \(\sqrt{s_{\mathrm{NN}}} = \) 5.02 TeV", JHEP 05 (2021) 116 [2101.04720]
Published in Journal of High Energy Physics, 2019
Measurement of jet fragmentation transverse momentum \(j_{\mathrm{T}}\) using di-hadron correlations.
Reference: ALICE Collaboration, "Jet fragmentation transverse momentum measurements from di-hadron correlations in \(\sqrt{s} = \) 7 TeV pp and \(\sqrt{s_{\mathrm{NN}}} = \) 5.02 TeV p-Pb collisions", JHEP 03 (2019) 169 [1811.09742]
Study of energy-energy correlator of jets in PbPb collisions at CMS
Published in EPJ Web of Conferences, 2025
Conference proceedings of the talk I gave in Hard Probes 2024 about the first energy-energy correlator measurement in heavy ion collisions I did using data from the CMS experiment.
Reference: J. Viinikainen for the CMS Collaboration, "Study of energy-energy correlator of jets in PbPb collisions at CMS", EPJ Web Conf. 339 (2025) 02007
Published in EPJ Web of Conferences, 2024
Conference proceedings of the talk I gave in Quark Matter 2023 about two dijet measurements I did using data from the CMS experiment.
Reference: J. Viinikainen for the CMS Collaboration, "Resolving medium properties using high-pT jets with jet and in-jet correlations in PbPb collisions at 5.02 TeV with the CMS detector", EPJ Web Conf. 296 (2024) 11010
Studies of in-medium modification of dijets in PbPb collisions at 5.02 TeV with the CMS detector
Published in Acta Physica Polocina B Proceedings Supplement, 2023
Conference proceedings of the talk I gave in Quark Matter 2022 about two dijet measurements I did using data from the CMS experiment.
Reference: J. Viinikainen for the CMS Collaboration, "Studies of in-medium modification of dijets in PbPb collisions at 5.02 TeV with the CMS detector", Acta Phys. Polon. Supp. 16 (2023) 1
Latest results on jet suppression and jet substructure in heavy-ion collisions with CMS
Published in Proceedings of Science, 2019
Conference proceedings of the summary talk I gave at LHCP 2019 about recent jet subtructure measurements.
Reference: J. Viinikainen for the CMS Collaboration, "Latest results on jet suppression and jet substructure in heavy-ion collisions with CMS", PoS LHCP2019 (2019) 219
Jet transverse fragmentation momentum from h–h correlations in pp and p–Pb collisions
Published in Nuclear and Particle Physics Proceedings, 2017
Conference proceedings of the jet fragmentation transverse momentum \(j_{\mathrm{T}}\) measurement. Related to the talk I gave at Hard Probes 2016.
Reference: J. Viinikainen for the ALICE Collaboration, "Jet transverse fragmentation momentum from h–h correlations in pp and p–Pb collisions", Nucl. Part. Phys. Proc. 289-290 (2017) 293 [1612.05475]