Browsing Pure & Applied Mathematics (Scholarly Publications) by Author "RYAN, SINEAD"
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Bottomonium at Nonzero Temperature from Lattice Nonrelativistic QCD
RYAN, SINEAD (2012)The temperature dependence of bottomonium states at temperatures above and below $T_c$ is presented, using nonrelativistic 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 ... 
Coupledchannel DÏ , DÎ· and D<inf>s</inf>KÂ¯ scattering from lattice QCD
RYAN, SINEAD; PEARDON, MICHAEL (2016)We present the rst lattice QCD study of coupledchannel D , D and D s K scattering in isospin1/2 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 quarkline 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 highlyexcited 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 ... 
First results from 2+1 dynamical quark flavors on an anisotropic lattice: Lighthadron spectroscopy and setting the strangequark mass
PEARDON, MICHAEL; RYAN, SINEAD (2009)We present the first lighthadron spectroscopy on a set of N f ? 2 ? 1 dynamical, anisotropic lattices. A convenient set of coordinates that parameterize the twodimensional plane of light and strangequark 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 lowlying, excited and exotic states ... 
Melting of P wave bottomonium states in the quarkgluon plasma from lattice NRQCD
RYAN, SINEAD (2013)We study the fate of P wave bottomonium states in the quarkgluon plasma, using a spectral function analysis of euclidean lattice cor relators. The correlators are obtained from lattice QCD simulations with two ... 
Quarkgluon 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 fixedscale approach using anisotropic lattices. Here we present the status of these studies, including ... 
Quarkgluon plasma phenomenology from the lattice
RYAN, SINEAD (2014)The FASTSUM Collaboration has calculated several quantities relevant for QCD studies at nonzero temperature using the lattice technique. We report here our results for the (i) interquark potential in charmonium; (ii) ... 
QuarkGluon 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 heavyion collisions ...