Published December 2013
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On the Nf-dependence of gluonic observables
- 1. Deutsches Elektronen-Synchrotron (DESY), Zeuthen (Germany). John von Neumann-Inst. fuer Computing NIC
Description
We compute t0, w0 and the topological susceptibility, defined at finite gradient flow time for two-flavour QCD. The use of three lattice spacings and pion masses between 192 and 500 MeV together with a careful error analysis allow to approach the continuum limit of the two-flavour theory despite significant auto-correlations. A comparison to Nf=0 results shows the size of sea quark effects in t20χ, with χ the topological susceptibility, and low energy observables such as t0/w20 and t0/r20.
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Additional details
Publishing Information
- Imprint Pagination
- 7 p.
- ISSN
- 0418-9833
- Report number
- DESY--13-216
Conference
- Title
- 31. International symposium on lattice field theory
- Acronym
- Lattice 2013
- Dates
- 29 Jul - 3 Aug 2013
- Place
- Mainz (Germany)
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 45012663
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ASYMPTOTIC SOLUTIONS; CORRELATIONS; EXTRAPOLATION; FLAVOR MODEL; GLUON MODEL; LATTICE FIELD THEORY; LATTICE PARAMETERS; QUANTUM CHROMODYNAMICS; SCALING LAWS; TOPOLOGY
- Descriptors DEC
- COMPOSITE MODELS; CONSTRUCTIVE FIELD THEORY; FIELD THEORIES; MATHEMATICAL MODELS; MATHEMATICAL SOLUTIONS; MATHEMATICS; NUMERICAL SOLUTION; PARTICLE MODELS; QUANTUM FIELD THEORY; QUARK MODEL