[PDF] Top 20 The b quark mass from non perturbative Nf = 2 Heavy Quark Effective Theory at O(1/mh )
Has 10000 "The b quark mass from non perturbative Nf = 2 Heavy Quark Effective Theory at O(1/mh )" found on our website. Below are the top 20 most common "The b quark mass from non perturbative Nf = 2 Heavy Quark Effective Theory at O(1/mh )".
The b quark mass from non perturbative Nf = 2 Heavy Quark Effective Theory at O(1/mh )
... field theory has its own difficulties. Relativistic b-quarks cannot yet be reliably simulated on the lattice as their Compton wavelength is much shorter than any lattice spacing which can be currently ... See full document
15
Topology in the SU(Nf) chiral symmetry restored phase of unquenched QCD and axion cosmology
... the quark mass, m, has a non-vanishing convergence radius in the high temperature chiral symmetric phase of ...a mass gap also in this limit. The main conclusion obtained from this ... See full document
6
Determining the strange quark mass for 2-flavour QCD
... are from this work and [10]; diamonds from [16]; squares from [17]; up triangles from [18]; down triangles from [19]; left triangles from [20]; right triangles from ... See full document
8
Nucleon average quark momentum fraction with Nf = 2+1 Wilson fermions
... non-perturbatively Clover improved Wilson quarks [5]. At the time of the conference we had analyzed data on four ensembles that are listed in Tab. 1. While this is only a subset of the ensembles employed in ... See full document
8
Computation of quark mass anomalous dimension at O(1/Nf2) in quantum chromodynamics
... in 1/N ...order perturbative calculations to evaluate the three loop critical point Feynman diagrams needed for the present ...the O(N ) nonlinear σ model appears to be universal, and can be easily ... See full document
41
Towards next-to-leading order corrections to the heavy quark potential in the effective string theory
... moelectric or a chromomagnetic field in the calculations to be followed). The last line of Eq. (6) is due to the invariance under the exchange between the heavy quark mass and the heavy ... See full document
9
Simulation of an ensemble of Nf = 2 + 1 + 1 twisted mass cloverimproved fermions at physical quark masses
... twisted mass fermion discretization at a target lattice spacing of a ∼ ...estimate from 1–loop tadpole boosted perturbation theory given by c S W 1 + ...0.113g 2 plaq [9] with g ... See full document
8
Lattice results for the decay constant of heavy-light vector mesons
... of heavy quark effective theory 共 HQET 兲 关 1 兴 show how quantum chromodynamics 共 QCD 兲 simplifies in the limit of an infinite quark ...neutral B, consisting of a ... See full document
5
Quark mass anomalous dimension at O(1/Nf2) in QCD
... the 1/N ...simpler from a computational point of ...multiloop perturbative calculations relies heavily on the possibility of expressing the RG functions through the renormalization ... See full document
13
Heavy quark masses from lattice QCD
... are 1) sensitive to quark masses and 2) can be reliably computed in perturbation ...derived from the the R-ratio, for which the relevant perturbation series are known to N 3 LO ... See full document
7
Parameters of Heavy quark effective theory from Nf = 2 lattice QCD
... the effective theory which can be numerically dangerous if simply addressed by relying on perturbation ...the effective parameters of the ...the b-quark mass, of the ... See full document
25
Topics in heavy particle effective theories
... the mass, m; and the decay width, Γ; with √ s ≫ m ≫ ...a perturbative calculation will be quite ...soft-collinear effective theory (SCET). The SCET current is run from √ s to m, thereby ... See full document
102
Gluons, Heavy and Light Quarks in the QCD Vacuum
... small quark core size ∼ ...≈ 1 f m, and can successfully describe the key features of light hadron ...dynamical quark mass M ∼ ( packing f raction) 1/2 ρ −1 ≈ 360 MeV, ... See full document
10
More on heavy tetraquarks in lattice QCD at almost physical pion mass
... the b-quark mass being large enough for heavy quark symmetry to be e ff ective, which entails that its spin decouples and a heavy antidiquark in a color 3 configuration behaves ... See full document
8
Quark Fragmentation to Pions in an Effective Chiral Theory
... we can expect that a NLO calculation will lead to a soften- ing of the fragmentation functions. Secondly, some of the observed pions are secondary ones, which come from the decay of primary ρ and ω mesons. ... See full document
5
First results from 2+1 dynamical quark flavors on an anisotropic lattice: Light hadron spectroscopy and setting the strange quark mass
... Accurate resolution of excited states using lattice QCD has proven difficult. In Euclidean space, excited-state cor- relation functions decay faster than the ground state and at large times are swamped by the larger ... See full document
20
Top quark measurements in the CMS experiment
... Events with a Z boson accompanying a single top quark allow to study anomalous flavour-changing neutral currents foreseen in BSM models [17] whose couplings can be modeled using e ff ective op- erators. Searches ... See full document
8
Quark models for mesons
... fundamental theory of strong interaction. Because of the complexity and the non-perturbative property of QCD in low-energy region, To get a reliable results for hadrons is still a challenge task for ... See full document
12
Flows between dualities for 3d Chern-Simons theories
... (SUSY) from N ¼ 2 to N ¼ 1 in four-dimensional theories with flavors has been the subject of intense study in both field theory or string ...string theory, one can either consider brane ... See full document
10
Semileptonic decays B >pi lepton neutrino and D >pi lepton neutrion from lattice QCD
... results from changing the definition of a can be thought of as a crude way to estimate effects of the quenched ...a 1/2 and f ⬜ a ⫺ 1/2 , so converting to physical units introduces a ... See full document
18
Related subjects