257 citations · 685 across the 22 of their papers we have counts for
21 papers · 1 filter
Heavy quark thermodynamics with anisotropic lattices
Jon-Ivar Skullerud, Rachel Horohan D'Arcy, Gert Aarts +11
We present recent results from the FASTSUM collaboration, using anisotropic lattice QCD to study spectral properties of heavy quarkonia and open heavy flavour systems at high tempe…
Approaching the continuum with anisotropic lattice thermodynamics
Jon-Ivar Skullerud, Gert Aarts, Chris Allton +12
The FASTSUM collaboration has a long-standing programme of using anisotropic lattice QCD to investigate strong interaction thermodynamics, and in particular spectral quantities. He…
Finite temperature hadronic spectral properties
Ryan Bignell, Gert Aarts, Chris Allton +9
The FASTSUM collaboration has a long-standing project examining hadronic properties using anisotropic lattice QCD. We determine the spectral properties of bottomonia at finite temp…
Spectral properties of bottomonium at high temperature: a systematic investigation
Jon-Ivar Skullerud, Gert Aarts, Chris Allton +11
We investigate spectral features of bottomonium at high temperature, in particular the thermal mass shift and width of ground state S-wave and P-wave state. We employ and compare a…
NRQCD Bottomonium at non-zero temperature using time-derivative moments
Rachel Horohan D'arcy, Gert Aarts, Chris Allton +8
A well-known challenge for the lattice community is calculating the spectral function from the Euclidean correlator. We have approximated the spectral function and derived the mass…
Anisotropic excited bottomonia from a basis of smeared operators
Ryan Bignell, Gert Aarts, Chris Allton +9
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 \i…
The NRQCD spectrum at non-zero temperature using Backus-Gilbert regularisations
Antonio Smecca, Gert Aarts, Chris Allton +10
Understanding how the properties of heavy mesons change as temperature increases is crucial for gaining valuable insights into the quark-gluon plasma. Information about meson masse…
Thermal lattice QCD results from the FASTSUM collaboration
Chris Allton, Gert Aarts, M. Naeem Anwar +12
The FASTSUM Collaboration has developed a comprehensive research programme in thermal lattice QCD using 2+1 flavour ensembles. We review our recent hadron spectrum analyses of open…
Isospin-1/2 scattering and the lightest resonance from lattice QCD
Luke Gayer, Nicolas Lang, Sinéad M. Ryan +3
Isospin-1/2 scattering amplitudes are computed using lattice QCD, working in a single volume of approximately and with a light quark mass corresponding…
Properties of the QCD thermal transition with flavours of Wilson quark
G. Aarts, C. Allton, J. Glesaaen +8
We study properties of the thermal transition in QCD, using anisotropic, fixed-scale lattice simulations with flavours of Wilson fermion. Observables are compared for t…
Bottomonium in the plasma: lattice results
G. Aarts, C. Allton, W. Evans +7
We present results on the heavy quarkonium spectrum and spectral functions obtained by performing large-scale simulations of QCD for temperatures ranging from about 100 to 500 MeV,…
Quark-Gluon Plasma: from lattice simulations to experimental results
G. Aarts, C. Allton, A. Kelly +5
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, curre…
Melting of P wave bottomonium states in the quark-gluon plasma from lattice NRQCD
G. Aarts, C. Allton, S. Kim +3
We study the fate of P wave bottomonium states in the quark-gluon plasma, using a spectral function analysis of euclidean lattice correlators. The correlators are obtained from lat…
Bottomonium from lattice QCD as a probe of the Quark-Gluon Plasma
G. Aarts, C. Allton, A. Kelly +7
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 lat…
S wave bottomonium states moving in a quark-gluon plasma from lattice NRQCD
Gert Aarts, Chris Allton, Seyong Kim +5
We extend our study of bottomonium spectral functions in the quark-gluon plasma to nonzero momentum. We use lattice QCD simulations with two flavours of light quark on highly aniso…
What happens to the Upsilon and eta_b in the quark-gluon plasma? Bottomonium spectral functions from lattice QCD
Gert Aarts, Chris Allton, Seyong Kim +5
We study bottomonium spectral functions in the quark-gluon plasma in the Upsilon and eta_b channels, using lattice QCD simulations with two flavours of light quark on highly anisot…
Bottomonium above deconfinement in lattice nonrelativistic QCD
G. Aarts, S. Kim, M. P. Lombardo +4
We study the temperature dependence of bottomonium for temperatures in the range , using nonrelativistic dynamics for the bottom quark and full relativistic…
First results from 2+1 dynamical quark flavors on an anisotropic lattice: light-hadron spectroscopy and setting the strange-quark mass
Huey-Wen Lin, Saul D. Cohen, Jozef Dudek +12
We present the first light-hadron spectroscopy on a set of dynamical, anisotropic lattices. A convenient set of coordinates that parameterize the two-dimensional plane of…
Charmonium Spectrum on dynamical anisotropic lattices
K. J. Juge, A. O'Cais, M. B. Oktay +2
We present a first study of the charmonium spectrum on N_f=2 dynamical, anisotropic lattices. We take advantage of all-to-all quark propagators to build spatially extended interpol…
Tuning anisotropies for dynamical gauge configurations
R. Morrin, M. Peardon, S. M. Ryan
We present methods and results for the tuning of quark and gluon anisotropies for improved actions in N_f = 2 QCD.
QCD on 2+2 anisotropic lattices
G. Burgio, A. Feo, M. J. Peardon +1
We discuss the implementation of QCD on 2+2 anisotropic lattices. Technical details regarding the choice of the action as well as perturbative and non-perturbative improvement are…