English
Related papers

Related papers: Bottomonia screening masses from $2 + 1$ flavor QC…

200 papers

We study the bottomonium screening masses in a 2+1 flavor QCD medium on the lattice using the Highly Improved Staggered Quark(HISQ) discretization for the quarks. We focus on a wide temperature range in the region $350~{\rm MeV}\le T < 1000…

High Energy Physics - Lattice · Physics 2021-10-15 Peter Petreczky , Sayantan Sharma , Johannes Heinrich Weber

We calculate the temperature dependence of bottomonium correlators in (2+1)-flavor lattice QCD with the aim to constrain in-medium properties of bottomonia at high temperature. The lattice calculations are performed using HISQ action with…

High Energy Physics - Lattice · Physics 2025-05-21 H. -T. Ding , W. -P. Huang , R. Larsen , S. Meinel , Swagato Mukherjee , P. Petreczky , Zhanduo Tang

The temperature dependence of bottomonium correlators up to the 3S and 3P excited states are presented in the range $T \simeq 133-250$ MeV. These lattice calculations employ the non-relativistic QCD (NRQCD) approach for bottom quarks on…

High Energy Physics - Lattice · Physics 2025-01-23 Heng-Tong Ding , Wei-Ping Huang , Rasmus Larsen , Stefan Meinel , Swagato Mukherjee , Peter Petreczky

We present the first lattice QCD study of up to $3S$ and $2P$ bottomonia at non-zero temperatures. Correlation functions of bottomonia were computed using novel bottomonium operators and a variational technique, within the lattice…

High Energy Physics - Lattice · Physics 2020-06-01 Rasmus Larsen , Stefan Meinel , Swagato Mukherjee , Peter Petreczky

Understanding the screening mass of pseudoscalar mesons at finite temperature and magnetic field is crucial for comprehending the behavior of strongly interacting matter under extreme conditions, such as those found in the early universe or…

High Energy Physics - Lattice · Physics 2025-02-11 Rishabh Thakkar , Heng-Tong Ding , Jin-Biao Gu , Sheng-Tai

We present lattice QCD results for mesonic screening masses in the temperature range 140 MeV $\lesssim T \lesssim$ 2500 MeV. Our calculations were carried out using (2+1)-flavors of the Highly Improved Staggered Quark (HISQ) action, with a…

We study the temperature dependence of bottomonium for temperatures in the range 0.4 Tc < T < 2.1 Tc, using non-relativistic dynamics for the bottom quark and full relativistic lattice QCD simulations for Nf=2 light flavors. We consider the…

High Energy Physics - Lattice · Physics 2015-06-12 G. Aarts , C. Allton , A. Kelly , J. -I. Skullerud , S. Kim , T. Harris , S. M. Ryan , M. P. Lombardo , M. B. Oktay , D. K. Sinclair

We present our study on the thermal modifications of charmonia and bottomonia from spatial correlation functions at zero and nonzero momenta in quenched QCD. To accommodate the heavy quarks on the lattice we performed simulations on very…

High Energy Physics - Lattice · Physics 2020-08-18 Heng-Tong Ding , Olaf Kaczmarek , Anna-lena Kruse , Swagato Mukherjee , Hiroshi Ohno , Hauke Sandmeyer , Hai-Tao Shu

Theoretical studies of quarkonia can elucidate some of the important properties of the quark--gluon plasma, the state of matter realised when the temperature exceeds 150 MeV, currently probed by heavy-ion collisions experiments at BNL and…

High Energy Physics - Lattice · Physics 2015-06-19 G. Aarts , C. Allton , A. Kelly , J. -I. Skullerud , S. Kim , T. Harris , S. M. Ryan , M. P. Lombardo

Bottomonia play a crucial role in our understanding of the quark gluon plasma. We present lattice non-relativistic QCD calculations of bottomonia at temperatures in the range $T \in [47, 380]$ MeV using the Fastsum Generation 2L anisotropic…

The bottomonium spectrum is computed in dynamical 2+1 flavor lattice QCD, using NRQCD for the b quarks. The main calculations in this work are based on gauge field ensembles generated by the RBC and UKQCD collaborations with the Iwasaki…

High Energy Physics - Lattice · Physics 2010-12-02 Stefan Meinel

Lattice studies of QCD at high temperature has investigated the so called ``screening masses", corresponding to quark-antiquark states propagating in $spatial$ (rather than time) direction. Thirty years ago we pointed out that those should…

High Energy Physics - Phenomenology · Physics 2022-12-23 Edward Shuryak

We present lattice non-relativistic QCD calculations of bottomonium correlation functions at temperatures $T \simeq 150-350$ MeV. The correlation functions were computed using extended bottomonium operators, and on background gauge-field…

High Energy Physics - Lattice · Physics 2020-06-01 Rasmus Larsen , Stefan Meinel , Swagato Mukherjee , Peter Petreczky

We present the final results of our high statistics study on the properties of bottomonium and charmonium at finite temperature. We focus on the temperature range around the crossover transition $150\leq T\leq 410$MeV, relevant for current…

High Energy Physics - Lattice · Physics 2018-12-05 Seyong Kim , Peter Petreczky , Alexander Rothkopf

We investigate the properties of S-and P-wave bottomonium states in the vicinity of the deconfinement transition temperature. The light degrees of freedom are represented by dynamical lattice QCD configurations of the HotQCD collaboration…

High Energy Physics - Lattice · Physics 2015-07-28 Seyong Kim , Peter Petreczky , Alexander Rothkopf

In order to understand the experimental data on heavy quarkonium production in heavy ion collisions at RHIC and LHC it is necessary (though not sufficient) to pinpoint the properties of heavy $Q\bar{Q}$ bound states in the deconfined…

High Energy Physics - Lattice · Physics 2016-11-23 Seyong Kim , Peter Petreczky , Alexander Rothkopf

Recently, realistic lattice QCD calculations with 2+1 flavors of domain wall fermions and the Iwasaki gauge action have been performed by the RBC and UKQCD collaborations. Here, results for the bottomonium spectrum computed on their gauge…

High Energy Physics - Lattice · Physics 2009-05-01 Stefan Meinel

We investigate spatial two-point correlation functions of mesonic operators in two-flavor lattice QCD at high temperatures. The simulated temperatures over the range $T \in [147, 330]$ MeV, where the critical temperature is estimated around…

The fraction of heavy vector mesons produced in a heavy ion collision, as compared to a proton proton collision, serves as an important indication of the formation of a thermal medium, the quark gluon plasma. This sort of analysis strongly…

High Energy Physics - Phenomenology · Physics 2016-11-23 Nelson R. F. Braga , M. A. Martin Contreras , Saulo Diles

We present recent results on the in-medium modification of S- and P-wave bottomonium states around the deconfinement transition. Our study uses lattice QCD with $N_f=2+1$ light quark flavors to describe the non-perturbative thermal QCD…

High Energy Physics - Lattice · Physics 2014-11-13 Seyong Kim , Peter Petreczky , Alexander Rothkopf
‹ Prev 1 2 3 10 Next ›