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Related papers: A formula for charmonium suppression

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Recent results from BES and CLEOc experiments on charmonium decays using J/psi, psi' and psi'' data samples collected in e+e- annihilation are reviewed, including the measurement of the relative phase between strong and electromagnetic…

High Energy Physics - Experiment · Physics 2007-05-23 Chang-Zheng Yuan

We study J/psi suppression in AB collisions assuming that the charmonium states evolve from small, color transparent configurations. Their interaction with nucleons and nonequilibrated, secondary hadrons is simulated using the microscopic…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Spieles , R. Vogt , L. Gerland , S. A. Bass , M. Bleicher , L. Frankfurt , M. Strikman , H. Stoecker , W. Greiner

We investigate the transition from suppression to enhancement of J/psi mesons produced in ultra-relativistic nuclear collisions in the framework of the statistical hadronization model. The calculations are confronted with the most recent…

Nuclear Theory · Physics 2008-11-26 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

We consider the charmonium production in thermalized hadronic medium created in ultrarelativistic heavy ion collisions at LHC energy. The calculations for the secondary $J/\psi$ and $\psi^,$ production by $D\bar D$ annihilation are…

High Energy Physics - Phenomenology · Physics 2009-01-07 P. Braun-Munzinger , K. Redlich

We investigate charmonium production in the hot medium created by heavy-ion collisions by setting up a framework in which in-medium charmonium properties are constrained by thermal lattice QCD (lQCD) and subsequently implemented into…

Nuclear Theory · Physics 2012-03-13 Xingbo Zhao

$J/\psi$ and $\psi'$ production cross sections in fixed-target experiment is calculated, considering the contributions from both color-singlet and color-octet mechanisms.The results are applied to the investigations of the $J/\psi$…

High Energy Physics - Phenomenology · Physics 2007-05-23 Xiao-Fei Zhang , Cong-Feng Qiao , Xiao-Xia Yao , Wei-Qin Chao

We study the properties of charmonium in a strongly coupled QCD-like plasma at finite momentum. As a basis for this study, a "bottom-up" holographic model is used which has been previously shown to reproduce charmonium phenomenology in…

Nuclear Theory · Physics 2013-10-29 Paul M. Hohler , Yi Yin

Leveraging matrix sparsity has proven a fruitful strategy for accelerating quantum chemical calculations. Here we present the hierarchical SOS-MP2 algorithm, which uses hierarchical matrix ($\mathcal{H}^{2}$) compression of the electron…

Chemical Physics · Physics 2025-06-23 Hongji Gao , Xiangmin Jiao , Benjamin G. Levine

In this paper we summarize our recent results for low energy associated charmonium production cross sections, using 1) crossing symmetry, and 2) an explicit hadronic model. These predictions are of relevance to the planned charmonium and…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Barnes

The effect of parton energy loss in cold nuclear matter on the suppression of quarkonia (J/psi, Upsilon) in heavy-ion collisions is investigated, by extrapolating a model based on coherent radiative energy loss recently shown to describe…

High Energy Physics - Phenomenology · Physics 2015-06-22 François Arleo , Stéphane Peigné

Detailed information of the low-energy interaction between the charmonia ({\eta}c and J/{\psi}) and the nucleon is indispensable for exploring the formation of charmonium bound to nuclei. In order to investigate the charmonium-nucleon…

High Energy Physics - Lattice · Physics 2011-04-20 Taichi Kawanai , Shoichi Sasaki

The approach to problem of nuclear shadowing based on Gribov Reggeon calculus is presented. Here the total cross section of $h A$ interaction is found in a parameter-free description, employing the new data on the gluon density of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Konrad Tywoniuk , Ionut Arsene , Larissa Bravina , Alexey Kaidalov , Eugene Zabrodin

Experimental results related to charged particle and $\pi^{0}$ suppression obtained at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven for Au-Au (Cu-Cu) collisions and at the Large Hadron Collider (LHC) at CERN for Pb-Pb (Xe-Xe)…

Nuclear Experiment · Physics 2021-03-17 M. Petrovici , A. Lindner , A. Pop

A new scenario, alternative to energy loss, for the observed suppression of high-pT hadrons observed at RHIC is proposed. In the limit of a very dense medium crated in nuclear collisions the mean free-path of the produced (pre)hadron…

Nuclear Theory · Physics 2007-07-31 B. Z. Kopeliovich , I. K. Potashnikova , Ivan Schmidt

We study the charmonium dissociation in the hot medium with finite baryon chemical potential $\mu_B$. Charmonium bound states are dissociated in the medium by the color screening effect and the random scatterings with thermal partons, which…

Nuclear Theory · Physics 2022-11-04 Bo Tong , Baoyi Chen

We present results for charmonium-nucleon potential $V_{c\bar{c}-N}(r)$ from quenched lattice QCD, which is calculated from the equal-time Bethe-Salpeter amplitude through the effective Schr\"odinger equation. Detail information of the…

High Energy Physics - Lattice · Physics 2010-11-11 Taichi Kawanai , Shoichi Sasaki

A mechanism for the effective dissociation of a $c\bar{c}$ pair in the colour electric field of strings is introduced into a hadron and string cascade model, i.e. JPCIAE, which is based on the LUND model, simulating ultra-relativistic…

Nuclear Theory · Physics 2008-11-26 Sa Ben-Hao , Amand Faessler , Tai An , T. Waindzoch , C. Fuchs , Z. S. Wang , Wang Hui

We calculate transverse-momentum ($p_t$) spectra and elliptic flow of $J/\psi$'s in $Au$-$Au$ and $Cu$-$Cu$ collisions at RHIC. We employ an earlier constructed 2-component approach for direct and regenerated charmonia which is fairly…

Nuclear Theory · Physics 2008-06-10 Xingbo Zhao , Ralf Rapp

We classify the admissible types of constraint (hermitian, holomorphic, with reality conditions on the bosonic sectors, etc.) for generalized supersymmetries in the presence of complex spinors. We further point out which constrained…

High Energy Physics - Theory · Physics 2009-11-11 Zhanna Kuznetsova , Francesco Toppan

From lattice indications we follow a Born-Oppenheimer approximation to build a quark-antiquark static potential for $J^{PC}=1^{--}$ charmonium states below their first S- wave meson-meson threshold. We show that a good description of the…

High Energy Physics - Phenomenology · Physics 2019-04-24 Roberto Bruschini , Pedro González
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