Jet quenching as a probe of the initial stages in heavy-ion collisions
Andres, C., Armesto, N., Niemi, H., Paatelainen, R., & Salgado, C. A. (2020). Jet quenching as a probe of the initial stages in heavy-ion collisions. Physics Letters B, 803, Article 135318. https://doi.org/10.1016/j.physletb.2020.135318
Julkaistu sarjassa
Physics Letters BPäivämäärä
2020Tekijänoikeudet
© 2020 The Author(s)
Jet quenching provides a very flexible variety of observables which are sensitive to different energy- and time-scales of the strongly interacting matter created in heavy-ion collisions. Exploiting this versatility would make jet quenching an excellent chronometer of the yoctosecond structure of the evolution process. Here we show, for the first time, that a combination of jet quenching observables is sensitive to the initial stages of heavy-ion collisions, when the approach to local thermal equilibrium is expected to happen. Specifically, we find that in order to reproduce at the same time the inclusive particle production suppression, , and the high- azimuthal asymmetries, , energy loss must be strongly suppressed for the first ∼0.6 fm. This exploratory analysis shows the potential of jet observables, possibly more sophisticated than the ones studied here, to constrain the dynamics of the initial stages of the evolution.
Julkaisija
ElsevierISSN Hae Julkaisufoorumista
0370-2693Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/34739766
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We acknowledge helpful discussions with J. Noronha-Hostler, computational resources from the CSC-IT Center for Science in Espoo, Finland, and financial support by the US DOE (CA, contract DEAC05-06OR23177 under which Jefferson Science Associates, LLC operates Jefferson Lab), the Academy of Finland (HN, project 297058), the ERC (RP, grant no. 725369), MICINN of Spain (NA, CAS, project FPA2017-83814-P and Unidad de Excelencia María de Maetzu MDM-2016-069), Xunta de Galicia (NA, CAS, Consellería de Educación) and FEDER (NA, CAS). This work has been performed within COST Action CA15213 THOR. ...Lisenssi
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