[PDF] Top 20 Les condicions de treball al Maresme durant els segles XVII i XVIII
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Chiral Extrapolations of the ρ(770) Meson in Nf = 2 + 1 Lattice QCD Simulations
... the lattice data. In order to have a good prediction of the lattice data at the physical point, more data are needed, as data for several pion masses, or in several channels, pion decay constants used ... See full document
31
Parameters of Heavy quark effective theory from Nf = 2 lattice QCD
... perturbatively the power-law divergences of the effective theory which can be numerically dangerous if simply addressed by relying on perturbation theory. We have shown that these divergences get absorbed into the ... See full document
98
Pion pion scattering amplitudes and timelike pion form factor from Nf=2+1 Lattice QCD
... by QCD as the underlying theory. In principle lattice QCD should hence be able to predict the complete QCD ...broken chiral symmetry which QCD exhibits in the limit of massless ... See full document
148
The nucleon mass in Nf=2 lattice QCD: finite size effects from chiral perturbation theory
... Fit 1, which are consistent with phe- nomenology and the large volume Monte Carlo data, we can now evaluate our finite size ...from simulations which differ only in the lattice size while all other ... See full document
7
Emerging understanding of the ΔI = 1/2 Rule from Lattice QCD
... The “∆I = 1/2 rule” remains one of the longest-standing puzzles in particle physics. It refers to the surprising fea- ture that in K → ππ decays the final state is about 450 times more likely to have total ... See full document
68
The effect of the Polyakov loop on the chiral phase transition
... the QCD, such as the Nambu–Jona-Lasinio (NJL) model and the chiral quark- meson model (QM), are based on the global chiral sym- metry of the ...the chiral symmetry and its restoration ... See full document
10
Hadron spectroscopy and interactions from lattice QCD
... the meson sector, and therefore deserve special attention. The first lattice simulation that takes the effect of these thresholds into account was presented in [9, ... See full document
24
Flavour Breaking Effects of Wilson twisted mass fermions
... dependence. We will compute the neutral pion mass from the connected and dis- connected pieces of the corresponding correlation function using the stochastic noise source method of refs. [16, 17] for the disconnected ... See full document
10
Structure functions and form factors close to the chiral limit from lattice QCD
... Chiral extrapolations of lattice data to the physical pion mass, the continuum or a → 0 limit and removal of the ‘quenched approximation’ re- main major sources of systematic uncertainty in the ... See full document
5
Scalar glueball and meson spectroscopy in unquenched lattice QCD with improved staggered quarks
... quenched QCD. In full QCD with realistically light quarks it is not [1, 2] Simulations with moderate to heavy Wilson-like quarks show effects which may reflect poorly understood ... See full document
5
Gluonic excitations in the hadronic spectrum
... non-perturbative QCD at low energy and the spectrum of hadrons are understood, while others remain ...example, QCD with very light quark masses has an approximate chiral symmetry, and it is well know ... See full document
13
Topological susceptibility in 2+1-flavor QCD with chiral fermions
... We thank T. Izubuchi, and other members of JLQCD collaboration for useful discussions. Nu- merical simulations are performed on IBM System Blue Gene Solution at KEK under a support of its Large Scale Simulation ... See full document
5
Heavy quark masses from lattice QCD
... Abstract. Progress in quark mass determinations from lattice QCD is reviewed, focusing on results for charm and bottom mass. These are of particular interest for precision Higgs studies. Recent ... See full document
21
Flux tubes in Nf = 2 + 1 QCD with external magnetic fields
... Conversely, when we have a nonzero external field eB 0 oriented along the ˆ z axis we cannot perform such an average because the lattice rotational symmetry is explicitly broken. Then, we identify 3 dif- ferent ... See full document
13
Flavor-singlet spectrum in multi-flavor QCD
... Composite Higgs models based on the idea of walking technicolor require that the strongly in- teracting theory has near-conformal dynamics and these have been studied on the lattice in recent years [1, ... See full document
41
Charmonium spectral functions in Nf=2 QCD
... of QCD has long been a subject of interest, following the suggestion [1] that J/ ψ suppression may be a signature of deconfinement in heavy-ion ...Recent lattice calculations [2, 3, 4] have ... See full document
6
D meson semileptonic form factors in Nf = 3 QCD with Möbius domain-wall quarks
... with pion masses as low as 230 MeV. The Möbius domain-wall action is employed for both light and charm quarks. We present our results for the vector and scalar form factors and discuss their dependence on the ... See full document
8
Axial U(1) symmetry at high temperature in 2-flavor lattice QCD
... coarser lattice (a ∼ 0.11 fm) in Ref. [9]. Although the coarser lattice leads to larger violation of the GW relation for Möbius DW fermion [17], we found that ¯ Δ ov π − δ is suppressed for the small quark ... See full document
10
Topology in the SU(Nf) chiral symmetry restored phase of unquenched QCD and axion cosmology
... the chiral symmetry restored phase of QCD at high temperature could be tested when probing the QCD phase transition in relativistic heavy ion ...the chiral symmetric phase of QCD, and ... See full document
12
Spectroscopy of Bs and Ds mesons
... been argued many times that quarkonia are nice systems to use for error analysis and parameter setting because of the tools that are available for understanding the errors. When those tools tell us that some errors in ... See full document
9
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