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Related papers: Bottomonium spectrum at finite temperature

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We extract the spectral functions in the scalar, pseudo-scalar, vector, and axial vector channels above the deconfinement phase transition temperature (Tc) using the maximum entropy method (MEM). We use anisotropic lattices, 32^3 * 32, 40,…

High Energy Physics - Lattice · Physics 2009-11-07 M. Asakawa , T. Hatsuda , Y. Nakahara

In this paper we study $I = 0$ bottomonium in $S$, $P$, $D$ and $F$ waves considering five coupled channels, one confined quarkonium and four open $B^{(*)} \bar B^{(*)}$ and $B_s^{(*)} \bar B_s^{(*)}$ meson-meson channels. To this end we…

High Energy Physics - Lattice · Physics 2023-06-14 Pedro Bicudo , Nuno Cardoso , Lasse Mueller , Marc Wagner

Entanglement between blocks of energy-levels is analysed for systems exhibiting s-wave and p-wave superconductivity. We study the entanglement entropy and spectrum of a block of $\ell$ levels around the Fermi point, and also between…

Superconductivity · Physics 2014-07-16 Javier Rodríguez-Laguna , Miguel Ibáñez Berganza , Germán Sierra

We study the bottomonium spectrum using a relativistic potential model in the momentum space. This model is based on a complete one gluon exchange interaction with a momentum dependent screening factor to account for the effects due to…

High Energy Physics - Phenomenology · Physics 2020-07-15 David Molina , Maurizio De Sanctis , Cesar Fernández-Ramírez , Elena Santopinto

Analyzing correlation functions of charmonia at finite temperature ($T$) on $32^3\times(32-96)$ anisotropic lattices by the maximum entropy method (MEM), we find that $J/\psi$ and $\eta_c$ survive as distinct resonances in the plasma even…

High Energy Physics - Lattice · Physics 2009-11-10 M. Asakawa , T. Hatsuda

To better understand the effects of strong coupling and QCD at high temperature in QGP, by using holographic model, we investigate the dissociation effect of bottomonium under the higher-order curvature corrections to the supergravity…

High Energy Physics - Phenomenology · Physics 2024-01-25 Yan-Qing Zhao , Defu Hou

The charmonium (bottomonim) binding at finite temperature is studied with static potentials extracted from the lattice QCD data of Kaczmarek et al. The bottomonium spectrum is also studied. This is relevant for Hard Probes in Heavy Ion…

High Energy Physics - Phenomenology · Physics 2008-04-29 P. Bicudo , M. Cardoso , P. Santos , J. Seixas

We compute charmonium spectral functions in 2-flavour QCD using the maximum entropy method and anisotropic lattices. We find that the S-waves (J/psi and eta_c) survive up to temperatures close to 2T_c, while the P-waves (chi_c0 and chi_c1)…

High Energy Physics - Lattice · Physics 2008-11-26 G. Aarts , C. R. Allton , R. Morrin , A. O. Cais , M. B. Oktay , M. J. Peardon , J. I. Skullerud

In the investigation of in-medium modifications of quarkonia and for determining heavy quark diffusion coefficients, correlation functions play a crucial role. For the first time we perform a continuum extrapolation of charmonium and…

High Energy Physics - Lattice · Physics 2020-08-18 Heng-Tong Ding , Olaf Kaczmarek , Anna-Lena Kruse , Hiroshi Ohno , Hauke Sandmeyer

In this work, we study higher bottomonia up to the $nL=8S$, $6P$, $5D$, $4F$, $3G$ multiplets using the modified Godfrey-Isgur (GI) model, which takes account of color screening effects. The calculated mass spectra of bottomonium states are…

High Energy Physics - Phenomenology · Physics 2018-11-19 Jun-Zhang Wang , Zhi-Feng Sun , Xiang Liu , Takayuki Matsuki

We investigate the spectral function of fermions in a $p$-wave superconducting state, at finite both temperature and gravitational coupling, using the $AdS/CFT$ correspondence and extending previous research. We found that, for any coupling…

High Energy Physics - Theory · Physics 2017-10-10 G. L. Giordano , N. E. Grandi , A. R. Lugo

We study hadron properties near the deconfining transition in the quenched lattice QCD simulation. This paper focuses on the heavy quarkonium states, such as $J/\psi$ meson. In order to treat heavy quarks at $T>0$, we adopt the $O(a)$…

High Energy Physics - Lattice · Physics 2009-10-31 T. Umeda , R. Katayama , O. Miyamura , H. Matsufuru

We discuss lattice results on the properties of finite momentum charmonium states in a gluonic plasma. We also present preliminary results for bottomonium correlators and spectral functions in the plasma. Significant modifications of chi_b…

High Energy Physics - Lattice · Physics 2009-11-11 S. Datta , A. Jakovac , F. Karsch , P. Petreczky

We calculate the spectrum and wave functions (WFs) of various states of bottomonium mesons ($b\overline{b}$) using a non-relativistic quark potential model (NRQPM). The calculated WFs are used to compute the radiative widths of various…

High Energy Physics - Phenomenology · Physics 2023-09-28 Ishrat Asghar , Nosheen Akbar

Originally designed for CP violation studies in the B meson system, the B-Factories recently showed an exciting capability for improving our experimental knowledge in the field of hadron spectroscopy. Here I will present some of the most…

High Energy Physics - Experiment · Physics 2019-08-13 Francesco Renga

We have measured independently both s-wave and p-wave cross-dimensional thermalization rates for ultracold potassium-40 atoms held in a magnetic trap. These measurements reveal that this fermionic isotope has a large positive s-wave triplet…

Condensed Matter · Physics 2012-08-27 B. DeMarco , J. L. Bohn , J. P. Burke, , M. Holland , D. S. Jin

We present a holographic description of the thermal behavior of $ b \bar b$ heavy vector mesons inside a plasma at finite temperature and density. The meson dissociation in the medium is represented by the decrease in the height of the…

High Energy Physics - Phenomenology · Physics 2017-10-10 Nelson R. F. Braga , Luiz F. Ferreira

We study the two-dimensional Bose-Fermi mixture on square lattice at finite temperature by using the determinant quantum Monte Carlo method within the weakly interacting regime. Here we consider the attractive Bose-Hubbard model and free…

Strongly Correlated Electrons · Physics 2022-06-06 Yongzheng Wu , Zheng Yan , Zhi Lin , Jie Lou , Yan Chen

Recent results from the CLEO experiment on decays and partial widths of various bottomonium and charmonium resonances are presented. New measurements of the di-electron partial widths for the 3 bound-state Upsilons and the J/psi are…

High Energy Physics - Experiment · Physics 2007-05-23 T. Ferguson

Using Non-Relativistic QCD (NRQCD), we study heavy quark mass dependence of S-wave and P-wave bottomonium correlators for 0.42Tc <= T <= 2.09Tc and study spectral functions of S-wave bottomonium states moving in a thermal bath at these…