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Related papers: Thermal properties of light mesons from holography

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Based on a machine learning holographic QCD model, we construct a systematical framework to investigate the properties of the scalar glueballs continuously from zero temperature to finite temperature. By using both the quasi-normal…

High Energy Physics - Phenomenology · Physics 2025-07-29 Ruixiang Chen , Danning Li , Mei Huang

We computed the pole masses and decay constants of $\pi$ and $\rho$ meson at finite temperature in the framework of Dyson-Schwinger equations and Bethe-Salpeter equations approach. Below transition temperature, pion pole mass increases…

High Energy Physics - Phenomenology · Physics 2021-02-03 Fei Gao , Minghui Ding

We study the thermal properties of the lowest multiplet of the QCD light-flavor scalar resonances, including the $f_0(500)/\sigma$, $K_{0}^{*}(700)/\kappa$, $f_0(980)$ and $a_0(980)$, in the framework of unitarized $U(3)$ chiral…

High Energy Physics - Phenomenology · Physics 2020-01-06 Rui Gao , Zhi-Hui Guo , Jin-Yi Pang

We study the temperature dependence of meson screening masses in two-flavour lattice QCD using dynamical truncated overlap fermions (TOF), a type of lattice chiral fermions. The screening masses for the $\pi$, $\rho$, $a_1$, $a_0$, and the…

High Energy Physics - Lattice · Physics 2026-05-11 S. Date , Y. Murakami , M. Sekiguchi , H. Wada , M. Wakayama

The thermal mass spectra of scalar and pseudo scalar mesons are studied in an IR-improved soft-wall AdS/QCD model. The Reissner-Nordstrom AdS black hole metric is introduced to describe both the finite temperature and density effects. The…

High Energy Physics - Phenomenology · Physics 2013-10-08 Ling-Xiao Cui , Yue-Liang Wu

We investigate vector meson spectral functions at finite temperature and density through the soft wall model, a bottom-up holographic approach to QCD. We find narrow resonances at small values of the parameters, becoming broader as…

High Energy Physics - Phenomenology · Physics 2015-06-11 Floriana Giannuzzi

The temperature dependence of the mass, leptonic decay constant, and width of heavy-light quark peseudoscalar and vector mesons is obtained in the framework of thermal Hilbert moment QCD sum rules. The leptonic decay constants of both…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. A. Dominguez , M. Loewe , J. C. Rojas

The thermal properties of $f_{2}(1270)$, $a_{2}(1320)$ and $K_2^*(1430)$ light tensor mesons are investigated in the framework of QCD sum rules at finite temperature. In particular, the masses and decay constants of the light tensor mesons…

High Energy Physics - Phenomenology · Physics 2015-03-18 K. Azizi , A. Turkan , E. Veli Veliev , H. Sundu

Utilizing QCD sum rules, we extract the temperature dependences of the spectral properties of the pseudo-scalar and scalar D mesons regarded as chiral partners. Besides the masses also decay constants are analyzed as the D meson yields in…

Nuclear Theory · Physics 2018-07-10 Thomas Buchheim , Thomas Hilger , Burkhard Kampfer , Stefan Leupold

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 investigate chiral phase transitions and the screening masses, pole masses, and thermal widths of neutral pion meson with finite temperature $T$ and magnetic field $B$ in a lattice-improved AdS/QCD model, which is constructed by fitting…

High Energy Physics - Theory · Physics 2024-02-12 Nanxiang Wen , Xuanmin Cao , Jingyi Chao , Hui Liu

The properties of the pion quasiparticle in hot and dense isospin medium, including the temperature and isospin chemical potential dependence of their screening mass, pole mass and thermal width, as well as their relationships with the pion…

High Energy Physics - Phenomenology · Physics 2023-07-25 Weijian Liang , Xuanmin Cao , Hui Liu , Danning Li

We present results for screening masses of mesons built from light and strange quarks in the temperature range of approximately between 140 MeV to 800 MeV. The lattice computations were performed with 2+1 dynamical light and strange flavors…

Meson properties at finite temperature and density are studied in lattice QCD simulations with two-flavor Wilson fermions. For this purpose, we investigate screening masses of mesons in pseudo-scalar (PS) and vector (V) channels. The…

High Energy Physics - Lattice · Physics 2010-12-10 Hideaki Iida , Yu Maezawa , Koichi Yazaki

We determine the ground state meson masses at low temperature using simulations with $2+1$ flavours of improved Wilson-clover fermions. Subsequently we study the effect of increasing the temperature of the hadron gas, including the…

High Energy Physics - Lattice · Physics 2021-11-03 Sergio Chaves García-Mascaraque , Gert Aarts , Chris Allton , Timothy Burns , Simon Hands , Benjamin Jäger

We consider an AdS/QCD model at finite temperature with a dilaton field that we call thermal because, in addition to depending on the holographic coordinate, it also depends on temperature. We study two thermal dilatons in this work such…

High Energy Physics - Phenomenology · Physics 2019-05-22 Alfredo Vega , M. A. Martin Contreras

We study the spectroscopy and transport properties of charmed mesons in a thermal medium by applying an effective field theory based on chiral and heavy-quark symmetries in the imaginary time formalism. Relying on unitarity constraints and…

High Energy Physics - Phenomenology · Physics 2022-09-21 Juan M. Torres-Rincon , Glòria Montaña , Àngels Ramos , Laura Tolos

We study the hadron properties at finite temperature from measurement of the screening masses, using two-flavor full QCD of the hybrid Monte Carlo (HMC) algorithm with the renormalization group improved Iwasaki gauge action and the clover…

High Energy Physics - Lattice · Physics 2017-11-28 Teiji Kunihiro , Shin Muroya , Atsushi Nakamura , Chiho Nonaka , Motoo Sekiguchi , Hiroaki Wada , Masayuki Wakayama

A holographic model of QCD at finite temperature is proposed and thermal properties for light mesons are examined in terms of this model. We find interesting temperature dependences of masses and decay constants for several mesons, and…

High Energy Physics - Phenomenology · Physics 2009-11-11 Kazuo Ghoroku , Masanobu Yahiro

We study $D$ and $D_s$ mesons at finite temperature using an effective field theory based on chiral and heavy-quark spin-flavor symmetries within the imaginary-time formalism. Interactions with the light degrees of freedom are unitarized…

High Energy Physics - Phenomenology · Physics 2020-05-27 Glòria Montaña , Àngels Ramos , Laura Tolos , Juan M. Torres-Rincon
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