Evolution of initial stage fluctuations in the glasma
Guerrero-Rodríguez, P., & Lappi, T. (2021). Evolution of initial stage fluctuations in the glasma. Physical Review D, 104(1), Article 014011. https://doi.org/10.1103/physrevd.104.014011
Julkaistu sarjassa
Physical Review DPäivämäärä
2021Tekijänoikeudet
© Authors, 2021
We perform a calculation of the one- and two-point correlation functions of energy density and axial charge deposited in the glasma in the initial stage of a heavy ion collision at finite proper time. We do this by describing the initial stage of heavy ion collisions in terms of freely evolving classical fields whose dynamics obey the linearized Yang-Mills equations. Our approach allows us to systematically resum the contributions of high momentum modes that would make a power series expansion in proper time divergent. We evaluate the field correlators in the McLerran-Venugopalan model using the glasma graph approximation, but our approach for the time dependence can be applied to a general four-point function of the initial color fields. Our results provide analytical insight into the preequilibrium phase of heavy ion collisions without requiring a numerical solution to the Yang-Mills equations.
Julkaisija
American Physical SocietyISSN Hae Julkaisufoorumista
2470-0010Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/99050141
Metadata
Näytä kaikki kuvailutiedotKokoelmat
Rahoittaja(t)
Euroopan komissio; Suomen AkatemiaRahoitusohjelmat(t)
Akatemiahanke, SA
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
Lisätietoja rahoituksesta
This work was supported by the Academy of Finland, Project No. 321840 and under the European Union’s Horizon 2020 research and innovation programme by the European Research Council (ERC, Grant No. ERC-2015-CoG-681707) and by the H2020 Research InfrastructuresSTRONG-2020 project (Grant No. 824093). The content of this paper does not reflect the official opinion of the European Union and responsibility for the information and views expressed therein lies entirely with the authors. ...Lisenssi
Samankaltainen aineisto
Näytetään aineistoja, joilla on samankaltainen nimeke tai asiasanat.
-
Linearly polarized gluons and axial charge fluctuations in the glasma
Lappi, Tuomas; Schlichting, Sören (American Physical Society, 2018)We calculate the one- and two-point correlation functions of the energy density and the divergence of the Chern-Simons current in the nonequilibrium glasma state formed in a high-energy nuclear collision. We show that the ... -
Spectral function of fermions in a highly occupied non-Abelian plasma
Boguslavski, K.; Lappi, T.; Mace, M.; Schlichting, S. (Elsevier BV, 2022)We develop a method to obtain fermion spectral functions non-perturbatively in a non-Abelian gauge theory with high occupation numbers of gauge fields. After recovering the free field case, we extract the spectral function ... -
Underlying-event properties in pp and p–Pb collisions at √sNN = 5.02 TeV
ALICE Collaboration (Springer, 2023)We report about the properties of the underlying event measured with ALICE at the LHC in pp and p–Pb collisions at √sNN = 5.02 TeV. The event activity, quantified by charged-particle number and summed-pT densities, is ... -
Measurement of inclusive and leading subjet fragmentation in pp and Pb–Pb collisions at √sNN = 5.02 TeV
ALICE Collaboration (Springer, 2023)This article presents new measurements of the fragmentation properties of jets in both proton–proton (pp) and heavy-ion collisions with the ALICE experiment at the Large Hadron Collider (LHC). We report distributions of ... -
Measurements of the groomed jet radius and momentum splitting fraction with the soft drop and dynamical grooming algorithms in pp collisions at √s = 5.02 TeV
ALICE Collaboration (Springer Science and Business Media LLC, 2023)This article presents measurements of the groomed jet radius and momentum splitting fraction in pp collisions at √ s = 5.02 TeV with the ALICE detector at the Large Hadron Collider. Inclusive charged-particle jets are ...
Ellei toisin mainittu, julkisesti saatavilla olevia JYX-metatietoja (poislukien tiivistelmät) saa vapaasti uudelleenkäyttää CC0-lisenssillä.