Examinando por Autor "Martin Contreras, Miguel Angel"

Mostrando 1 - 1 de 1
  • Miniatura
    Ítem
    Heavy quarkonia spectroscopy at zero and finite temperature in bottom-up AdS/QCD
    (American Physical Society, 2021) Martin Contreras, Miguel Angel; Vega, Alfredo; Diles, Saulo
    S-wave states of charmonium and bottomonium are described using bottom-up AdS/QCD. We propose a holographic model that unifies the description of masses and decay constants, leading to a precise match with experimental data on heavy quarkonia. Finite temperature effects are considered by calculating the current-current spectral functions of heavy vector mesons. The identification of quasiparticle states as Breit-Wigner resonances in the holographic spectral function was made. We develop a prescription to subtract background contributions from the spectral function to isolate the Breit-Wigner peak. The quasi-particle holographic thermal evolution is described, allowing us to estimate the melting temperature for vector charmonia and bottomonia. Our holographic model predicts that J/Ψ melts at 415 MeV(∼2.92Tc) and Υ melts at 465 MeV (∼3.27Tc).