Quark-gluon plasma phenomenology from anisotropic lattice QCD

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Strings from domain walls in supersymmetric Yang-Mills theory and adjoint QCD

We study strings between static quarks in QCD with nf adjoint fermions, including N = 1 supersymmetric Yang-Mills (SYM), in the calculable regime on R-3 x S-L(1), which shares many features with the XY-spin model. We find that they have many qualitatively ...

American Physical Society2015

Static Quark-Antiquark Potential in the Quark-Gluon Plasma from Lattice QCD

Yannis Burnier

We present a state-of-the-art determination of the complex valued static quark-antiquark potential at phenomenologically relevant temperatures around the deconfinement phase transition. Its values are obtained from nonperturbative lattice QCD simulations u ...

American Physical Society2015

Precision measurement of the ratio of the Lambda(0)(b) to (B)over-bar(0) lifetimes

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Raluca Anca Muresan

The LHCb measurement of the lifetime ratio of the Lambda(0)(b) baryon to the (B) over bar (0) meson is updated using data corresponding to an integrated luminosity of 3.0 fb(-1) collected using 7 and 8 TeV centre-of-mass energy pp collisions at the LHC. Th ...

Elsevier Science Bv2014

Lattice calculation of the heavy quark potential at non-zero temperature

Yannis Burnier

We calculated the real and imaginary parts of the static quark-antiquark potential at T > 0 in 2 + 1 flavor QCD using correlators of Wilson lines in Coulomb gauge and lattices with temporal extent N-tau = 12. We find that the real part of the potential is ...

Elsevier Science Bv2014

Precision Measurement of the Lambda(0)(b) Baryon Lifetime

Olivier Schneider, Aurelio Bay, Yiming Li, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Michel De Cian

The ratio of the Lambda(0)(b) baryon lifetime to that of the (B) over bar (0) meson is measured using 1.0 fb(-1) of integrated luminosity in 7 TeV center-of-mass energy pp collisions at the LHC. The Lambda(0)(b) baryon is observed for the first time in the ...

Amer Physical Soc2013

Charm mass effects in bulk channel correlations

Yannis Burnier

The bulk viscosity of thermalized QCD matter at temperatures above a few hundred MeV could be significantly influenced by charm quarks because their contribution arises four perturbative orders before purely gluonic effects. In an attempt to clarify the ch ...

Springer Nature2013

High-statistics study of K-S(0) pair production in two-photon collisions

Olivier Schneider, Yiming Li, Mingkui Wang, Chao Wang, Tagir Aushev, Jun Yong Kim, Ji Hyun Kim, Donghyun Kim, Dipanwita Dutta, Xiao Wang

We report a high-statistics measurement of the differential cross section of the process gamma gamma -> (KSKS0)-K-0 in the range 1.05 GeV

Oxford Univ Press Inc2013

A framework for Higgs characterisation

We introduce a framework, based on an effective field theory approach, that allows one to perform characterisation studies of the boson recently discovered at the LHC, for all the relevant channels and in a consistent, systematic and accurate way. The prod ...

Springer Nature2013

Observation of exclusive Y(1S) and Y(2S) decays into light hadrons

Olivier Schneider, Aurelio Bay, Yiming Li, Remi Léandre Albert Louvot, Chao Wang, Tagir Aushev, Jun Yong Kim, Ji Hyun Kim, Xiao Wang, Jing Li

Using samples of 102 x 10(6) Gamma(1S) and 158 x 10(6) Gamma(2S) events collected with the Belle detector, we study exclusive hadronic decays of these two bottomonium resonances to the three-body final states phi K+K-, omega pi(+)pi(-) and K*(0)(892)K-pi(+ ...

American Physical Society2012

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Oxford Univ Press Inc2013