Browsing by Author "Sertbakan, E."

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    ArticlePublicationOpen Access
    Axial-tensor meson family at T≠0
    (Springer Nature, 2020-10-12) Süngü, J. Y.; Türkan, Arzu; Sertbakan, E.; Veliev, E. V.; Natural and Mathematical Sciences; TÜRKAN, Arzu
    The mass and decay constants of rho(2), omega(2) and a missing member in the 2(--) nonet along with their first excited states are analyzed by the Thermal QCD sum rules approach, including QCD condensates up to dimension five. Mass and decay constant values of these mesons are stable from T = 0 up to T congruent to 120 MeV. However, after this threshold point, our numerical analyses indicates that they begin to diminish with increasing temperature. When we compare the hadronic parameters with their vacuum values, masses of these mesons and their first excited states decrease between (1-13%) from the PDG data and (10-26%) for the decay constants. However they diminish in the interval of (9-26%) and (2-34%) respectively with regards to Regge Trajectory Model data. We expect our numerical results will be confirmed by future heavy-ion collision experiments.
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    Melting of 𝜌2 meson at extreme temperatures
    (American Institute of Physics Inc., 2019) Sertbakan, E.; Süngü, J. Y.; Türkan, Arzu; Veliev, V.; Natural and Mathematical Sciences; TÜRKAN, Arzu
    The thermal properties of the light tensor ρ2 meson with quantum numbers JPC = 2- are studied at finite temperature. In our calculations, two-point Thermal QCD sum rules approach is employed including contributions up to operator dimension-5 of quark, gluon, and quark-gluon mix condensates. We present thermal effects on the main hadronic properties namely, mass and decay constant of the considered resonance in SU(3) nonet, which provides more knowledge about axial-tensor family for experiments. The non-perturbative treatments of the light quark dynamics results in mass spectra at zero temperature agree with available experimental data and thermal behavior of meson parameters can be tested in future experiments.