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Related papers: Holographic vector mesons in a hot and dense mediu…

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The axial-vector form factor of the nucleons is studied at a finite temperature using the holographic soft-wall model with the thermal dilaton field. We use the bulk interaction action known from the zero temperature case and apply the…

High Energy Physics - Phenomenology · Physics 2023-11-27 Shahin Mamedov , Narmin Nasibova

We analyze the sector of dimension-three vector meson operators in the "hard wall" model of holographic QCD, including the vector and axial currents, dual to gauge fields in the bulk, and the tensor operator $\bar{\psi}\sigma^{\mu\nu}\psi$,…

High Energy Physics - Phenomenology · Physics 2013-05-29 Raul Alvares , Carlos Hoyos , Andreas Karch

We give a brief survey of theoretical evaluations of light vector mesons in hadronic matter, focusing on results from hadronic many-body theory. We emphasize the importance of imposing model constraints in obtaining reliable results for the…

High Energy Physics - Phenomenology · Physics 2011-08-04 Ralf Rapp , Hendrik van Hees , Trenton Strong

The experimentally observed spectra of heavy vector meson radial excitations show a dependence on two different energy parameters. One is associated with the quark mass and the other with the binding energy levels of the quark anti-quark…

High Energy Physics - Theory · Physics 2016-09-16 Nelson R. F. Braga , M. A. Martin Contreras , Saulo Diles

We study the spectral densities of (pseudo)scalar currents at finite temperature in general case when mass of two quarks are different. Such spectral densities are necessary for the phenomenological investigation of hadronic parameters. We…

High Energy Physics - Phenomenology · Physics 2010-12-06 Elsen Veli Veliev , Kazem Azizi , Hayriye Sundu , Gulsah Kaya

Hadronic electromagnetic form factors and radiative decay properties offer a crucial window into the nonperturbative dynamics of Quantum chromodynamics (QCD). In this work, we employ the light-cone sum rules (LCSR) method to systematically…

High Energy Physics - Phenomenology · Physics 2026-05-11 Zhi Jun Wang , Di Gao , Kai Kai Zhang , Yuan Yuan Ma , Yan Jun Sun

We derive a holographic soft-wall approach in five dimensional AdS-Schwarzschild space for the description of mesons at finite temperature. In this first application we consider the small temperature limit and derive analytical expression…

High Energy Physics - Phenomenology · Physics 2019-04-02 Thomas Gutsche , Valery E. Lyubovitskij , Ivan Schmidt , Andrey Yu. Trifonov

We show the details of the calculation of the hadronic thermal corrections to the two-point functions in the effective field theory of QCD for pions and vector mesons based on the hidden local symmetry (HLS) in hot matter using the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Masayasu Harada , Chihiro Sasaki

We investigate the mass and decay constant of the heavy-heavy pseudoscalar, $B_c$, $\eta_c$ and $\eta_b$ mesons in the framework of finite temperature QCD sum rules. The annihilation and scattering parts of spectral density are calculated…

High Energy Physics - Phenomenology · Physics 2015-05-20 E. Veli Veliev , K. Azizi , H. Sundu , N. Aksit

The in-medium properties of the vector mesons are known to be modified significantly in hot and dense hadronic matter due to vacuum polarisation effects from the baryon sector in the Walecka model. The vector meson mass drops significantly…

Nuclear Theory · Physics 2009-11-07 Amruta Mishra , Joachim Reinhardt , Horst Stoecker , Walter Greiner

Low-mass dilepton spectra as measured in high-energy heavy-ion collisions are a unique tool to obtain spectroscopic information about the strongly interacting medium produced in these reactions. Specifically, in-medium modifications of the…

High Energy Physics - Phenomenology · Physics 2013-07-12 Ralf Rapp

The medium modification of vector meson masses is studied taking into account the quantum correction effects for the hot and dense hadronic matter. In the framework of Quantum Hadrodynamics, the quantum corrections from the baryon and…

Nuclear Theory · Physics 2008-11-26 Amruta Mishra , Jitendra C. Parikh , Walter Greiner

We summarize the current theoretical and experimental status of the spectral changes of vector mesons ($\rho$, $\omega$, $\phi$) in nuclear medium. Various approaches including QCD sum rules, effective theory of hadrons and bag models show…

Nuclear Theory · Physics 2009-10-30 T. Hatsuda , H. Shiomi , H. Kuwabara

We use the no-wall holographic approach (a relative of the soft-wall one) to construct a universal description of vector mesons with arbitrary quark masses. The proposed model predicts a specific dependence of the parameters of radial Regge…

High Energy Physics - Phenomenology · Physics 2016-11-23 S. S. Afonin , I. V. Pusenkov

Determining the type of excitations that can exist in a thermal medium is key to understanding how hadronic matter behaves at extreme temperatures. In this work we study this question for pseudo-scalar mesons comprised of light-strange and…

High Energy Physics - Lattice · Physics 2024-06-04 Dibyendu Bala , Olaf Kaczmarek , Peter Lowdon , Owe Philipsen , Tristan Ueding

QCD sum rules are evaluated at finite nucleon densities and temperatures to determine the change of mass parameters for the lightest vector mesons $\rho$, $\omega$ and $\phi$ in a strongly interacting medium. For conditions relevant for the…

Nuclear Theory · Physics 2008-11-26 S. Zschocke , O. P. Pavlenko , B. Kampfer

In this article, we analyze the electromagnetic form factors of the vector heavy-light mesons to the pseudoscalar heavy-light mesons in the framework of three-point QCD sum rules, where the contributions of vacuum condensate terms…

High Energy Physics - Phenomenology · Physics 2024-04-16 Jie Lu , Guo-Liang Yu , Zhi-Gang Wang , Bin Wu

The shrinking of the bottomonium spectral function towards narrow quasi-particle states in a cooling strong-interaction medium at finite baryon density is followed within a holographic bottom-up model. The 5-dimensional…

High Energy Physics - Theory · Physics 2021-11-24 Rico Zöllner , Burkhard Kämpfer

We discuss the light-front wave function for the valence quark state of mesons using the AdS/CFT correspondence. We consider two kinds of wave functions obtained in different holographic Soft-Wall approaches

High Energy Physics - Phenomenology · Physics 2015-05-18 Alfredo Vega , Ivan Schmidt , Tanja Branz , Thomas Gutsche , Valery E. Lyubovitskij

We study the wave functions of light and heavy mesons in both hard-wall (HW) and soft-wall (SW) holographic models which use AdS/CFT correspondence. In the case of massless constituents, the asymptotic behaviors of the electromagnetic form…

High Energy Physics - Phenomenology · Physics 2013-05-30 Chien-Wen Hwang
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