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Calculation of the axion mass based on high-temperature lattice quantum chromodynamics
Unlike the electroweak sector of the standard model of particle physics, quantum chromodynamics (QCD) is surprisingly symmetric under time reversal. As there is no obvious reason for QCD being soExpand
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Is there still any Tc mystery in lattice QCD? Results with physical masses in the continuum limit III
The present paper concludes our investigations on the QCD cross-over transition temperatures with 2+1 staggered flavours and one-link stout improvement. We extend our previous two studies [Phys.Expand
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Full result for the QCD equation of state with 2+1 flavors
We present a full result for the 2+1 flavor QCD equation of state. All the systematics are controlled, the quark masses are set to their physical values, and the continuum extrapolation is carriedExpand
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The QCD transition temperature: Results with physical masses in the continuum limit
Abstract The transition temperature ( T c ) of QCD is determined by Symanzik improved gauge and stout-link improved staggered fermionic lattice simulations. We use physical masses both for the lightExpand
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The QCD equation of state with dynamical quarks
The present paper concludes our investigation on the QCD equation of state with 2 + 1 staggered flavors and one-link stout improvement. We extend our previous study [JHEP01 (2006) 089] by choosingExpand
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The QCD phase diagram for external magnetic fields
A bstractThe effect of an external (electro)magnetic field on the finite temperature transition of QCD is studied. We generate configurations at various values of the quantized magnetic flux with NfExpand
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High-precision scale setting in lattice QCD
A bstractScale setting is of central importance in lattice QCD. It is required to predict dimensional quantities in physical units. Moreover, it determines the relative lattice spacings ofExpand
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The QCD transition temperature: results with physical masses in the continuum limit II.
We extend our previous study [Phys. Lett. B 643 (2006) 46] of the cross-over temperatures (Tc) of QCD. We improve our zero temperature analysis by using physical quark masses and finer lattices. InExpand
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Ab initio calculation of the neutron-proton mass difference
Weighing the neutron against the proton Elementary science textbooks often state that protons have the same mass as neutrons. This is not far from the truth—the neutron is about 0.14% heavier (andExpand
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