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Energy loss and (de)coherence effects beyond eikonal approximation
/ Apolinário, Liliana (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE ; Lisbon, CENTRA) ; Armesto, Néstor (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE) ; Milhano, Guilherme (Lisbon, CENTRA ; CERN) ; Salgado, Carlos A. (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE)
The parton branching process is known to be modified in the presence of a medium. Colour decoherence processes are known to determine the process of energy loss when the density of the medium is large enough to break the correlations between partons emitted from the same parent. [...]
arXiv:1407.7985.-
2014-11 - 6 p.
- Published in : Nucl. Phys. A 931 (2014) 365-370
Fulltext: PDF; External link: Preprint
In : 24th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions, Darmstadt, Germany, 19 - 24 May 2014, pp.365-370
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In-medium jet evolution: interplay between broadening and decoherence effects
/ Apolinário, Liliana (Lisbon, CENTRA ; Lisbon, IST) ; Armesto, Néstor (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE) ; Milhano, Guilherme (Lisbon, CENTRA ; Lisbon, IST ; CERN) ; Salgado, Carlos A. (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE)
The description of the modifications of the coherence pattern in a parton shower, in the presence of a QGP, has been actively addressed in recent studies. Among the several achievements, finite energy corrections, transverse momentum broadening due to medium interactions and interference effects between successive emissions have been extensively improved as they seem to be essential features for a correct description of the results obtained in heavy-ion collisions. [...]
arXiv:1512.08742.-
2016-12 - 4 p.
- Published in : Nucl. Phys. A 956 (2016) 681-684
Fulltext: PDF; External link: Preprint
In : 25th International Conference on Ultra-relativistic Nucleus-nucleus Collisions, Kobe, Japan, 27 Sep - 4 Oct 2015, pp.681-684
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Medium-induced gluon radiation and colour decoherence beyond the soft approximation
/ Apolinário, Liliana (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE ; Lisbon, IST ; Lisbon, CENTRA) ; Armesto, Néstor (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE) ; Milhano, José Guilherme (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE ; Lisbon, IST ; Lisbon, CENTRA ; CERN) ; Salgado, Carlos A. (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE)
We derive the in-medium gluon radiation spectrum off a quark within the path integral formalism at finite energies, including all next-to-eikonal corrections in the propagators of quarks and gluons. Results are computed for finite formation times, including interference with vacuum amplitudes. [...]
arXiv:1407.0599; CERN-PH-TH-2014-122; CERN-PH-TH-2014-122.-
2015-02-18 - 42 p.
- Published in : JHEP 02 (2015) 119
Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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Medium-induced gluon radiation beyond the eikonal approximation
/ Apolinário, Liliana (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE ; Lisbon, CENTRA) ; Armesto, Néstor (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE) ; Milhano, Guilherme (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE ; Lisbon, CENTRA ; CERN) ; Salgado, Carlos A. (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE)
In this work we improve existing calculations of radiative energy loss by computing corrections that implement energy-momentum conservation, previously only implemented a posteriori, in a rigorous way. Using the path-integral formalism, we compute in-medium splittings allowing transverse motion of all particles in the emission process, thus relaxing the assumption that only the softest particle is permitted such movement. [...]
arXiv:1404.7079.-
2014-12 - 6 p.
- Published in : Nucl. Phys. A 932 (2014) 152-157
Fulltext: PDF; External link: Preprint
In : 6th International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions, Cape Town, South Africa, 4 - 8 Nov 2013, pp.152-157
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Probing the time structure of the quark-gluon plasma with top quarks
/ Apolinário, Liliana (LIP, Lisbon ; Lisbon, IST) ; Milhano, José Guilherme (Lisbon, IST ; CERN ; LIP, Lisbon) ; Salam, Gavin P. (CERN) ; Salgado, Carlos A. (Santiago de Compostela U., IGFAE)
The tiny droplets of Quark Gluon Plasma (QGP) created in high-energy nuclear collisions experience fast expansion and cooling with a lifetime of a few $\text{fm}/c$. Despite the information provided by probes such as jet quenching and quarkonium suppression, and the excellent description by hydrodynamical models, direct access to the time evolution of the system remains elusive. [...]
arXiv:1711.03105; CERN-TH-2017-237.-
2018-06-09 - 6 p.
- Published in : Phys. Rev. Lett. 120 (2018) 232301
Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
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Quantum gravity phenomenology at the dawn of the multi-messenger era—A review
/ Addazi, A. (SCU, Chengdu ; Frascati) ; Alvarez-Muniz, J. (Santiago de Compostela U., IGFAE) ; Alves Batista, R. (Madrid, IFT) ; Amelino-Camelia, G. (Naples U. ; INFN, Naples) ; Antonelli, V. (Milan U. ; INFN, Milan) ; Arzano, M. (Naples U. ; INFN, Naples) ; Asorey, M. (Zaragoza U.) ; Atteia, J.-L. (IRAP, Toulouse) ; Bahamonde, S. (Tartu, Inst. Phys. ; Tokyo Inst. Tech.) ; Bajardi, F. (Naples U.) et al.
The exploration of the universe has recently entered a new era thanks to the multi-messenger paradigm, characterized by a continuous increase in the quantity and quality of experimental data that is obtained by the detection of the various cosmic messengers (photons, neutrinos, cosmic rays and gravitational waves) from numerous origins. They give us information about their sources in the universe and the properties of the intergalactic medium. [...]
arXiv:2111.05659.-
2022-07 - 119 p.
Fulltext: PDF;
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