Browsing by Author "RYAN, SINEAD"
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Bottomonium at Non-zero Temperature from Lattice Non-relativistic QCD
RYAN, SINEAD (2012)The temperature dependence of bottomonium states at temperatures above and below $T_c$ is presented, using non-relativistic dynamics for the bottom quark and full relativistic lattice QCD simulations for two light flavors ... -
The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD
RYAN, SINEAD (2014)We present results on the bottomonium spectrum at temperatures above and below the deconfinement crossover temperature, T c , from dynamical lattice QCD simu- lations. The heavy quark is treated with ... -
Charmonium spectroscopy from an anisotropic lattice study
RYAN, SINEAD; LIU, LIUMING; PEARDON, MICHAEL; VILASECA MAINAR, POL (2011)We present a progress report on our study of the charmonium spectrum in full QCD on anisotropic lattices generated by the Hadron Spectrum Collaboration. We adopt a large basis of interpolating operators to extract the ... -
Coupled-channel DÏ , Dη and D<inf>s</inf>K¯ scattering from lattice QCD
RYAN, SINEAD; PEARDON, MICHAEL (2016)We present the rst lattice QCD study of coupled-channel D , D and D s K scattering in isospin-1/2 in three partial waves. Using distillation, we compute matrices of correlation functions with bases of ... -
Estimate of the hadronic vacuum polarization disconnected contribution to the anomalous magnetic moment of the muon from lattice QCD
RYAN, SINEAD; PEARDON, MICHAEL (2016)The quark-line disconnected diagram is a potentially important ingredient in lattice QCD calculations of the hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon. It is also a notoriously ... -
Excited and exotic charmonium, D<inf>s</inf> and D meson spectra for two light quark masses from lattice QCD
RYAN, SINEAD; PEARDON, MICHAEL (2016)We present highly-excited charmonium, D s and D meson spectra from dy- namical lattice QCD calculations with light quarks corresponding to M 240 MeV and compare these to previous results with M ... -
Exercise as a pro-cognitive, pro-neurogenic and anti-inflammatory intervention in transgenic mouse models of Alzheimer's disease.
KELLY, AINE; RYAN, SINEAD (2016) -
First results from 2+1 dynamical quark flavors on an anisotropic lattice: Light-hadron spectroscopy and setting the strange-quark mass
PEARDON, MICHAEL; RYAN, SINEAD (2009)We present the first light-hadron spectroscopy on a set of N f ? 2 ? 1 dynamical, anisotropic lattices. A convenient set of coordinates that parameterize the two-dimensional plane of light and strange-quark masses ... -
Hadron spectroscopy from lattice quantum chromodynamics
RYAN, SINEAD (2016)Lattice calculations of hadron spectroscopy are discussed. A brief introduction to numerical simulations of QCD, with a focus on spectroscopy is given. Results for spectroscopy of low-lying, excited and exotic states ... -
Melting of P wave bottomonium states in the quark-gluon plasma from lattice NRQCD
RYAN, SINEAD (2013)We study the fate of P wave bottomonium states in the quark-gluon plasma, using a spectral function analysis of euclidean lattice cor relators. The correlators are obtained from lattice QCD simulations with two ... -
Quark-gluon plasma phenomenology from anisotropic lattice QCD
RYAN, SINEAD (2016)The FASTSUM collaboration has been carrying out simulations of N f = 2 + 1 QCD at nonzero temperature in the fixed-scale approach using anisotropic lattices. Here we present the status of these studies, including ... -
Quark-gluon plasma phenomenology from the lattice
RYAN, SINEAD (2014)The FASTSUM Collaboration has calculated several quantities relevant for QCD studies at non-zero temperature using the lattice technique. We report here our results for the (i) interquark potential in charmonium; (ii) ... -
Quark-Gluon Plasma: From lattice simulations to experimental results
RYAN, SINEAD (2014)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 O (150) MeV, currently probed by heavy-ion collisions ...