[PDF] Top 20 The mass-gap in Quantum Chromodynamics

... To construct QCD with massive gluons we will follow the approach of [4]. Presently this is the only known way to get (on mass-shell) renormalizable theory of massive gluons without color scalars (color scalars are ... See full document

... Quantum Chromodynamics (QCD) is considered as the real theory of strong interactions since the famous discovery [1] of asymptotic freedom. The colour gauge symmetry of the Lagrangian ensures ... See full document

... or mass, which was not independent but satisfied a gap ...the gap equation to one loop and related it to the running coupling constant, ...Gribov mass explicitly, in addition to several new ... See full document

... of quantum electrodynamics, ...of mass since the presence of a mass gap in QCD is indicative of ...a mass in the quark propagator in fact leads to divergent terms proportional to the ... See full document

... Abstract. We propose a pure four-dimensional formulation (FDF) of the d- dimensional regularization of one and two loop scattering amplitudes in quan- tum chromodynamics. In our formulation particles propagating ... See full document

... the quantum con fi nement energy in each sample was calculated assuming a uniform Bi content throughout the ...the quantum con fi nement and band gap mod- i fi cation due to strain in each ...and ... See full document

... meson and baryon hybrids as part of spectroscopy calculations described above. In a lattice calcula- tion, a state is identified as a candidate hybrid when it has a relatively large overlap onto an operator that is ... See full document

... with the bound-state in both channels. The position of poles is expected since it has been used by NPLQCD in fitting the scattering length and effective ranges. However, ref.[43] states that it is not possible to ... See full document

... in quantum chromodynamics, (QCD), have included the determination of the MS four loop β -function, [1], and the four loop quark mass anomalous dimension, [2, ...quark mass anomalous ... See full document

... perturbative Quantum Chromodynamics (pQCD) are described: charm fragmentation fractions, charm differential cross sections, charm and bottom structure functions and the running charm- and beauty- quark ... See full document

... band gap feature, which maintain high carrier mobilities akin to the 2D nanosheet ...The quantum confinement effects in nanoribbons further enhance the band gaps of PNRs, whose gap sizes are ... See full document

... Figure 5 shows quantum efficiency vs. wavelength. The crystalline Si starts to respond at about 1100 nm(band gap) and continuous to about 400 nm where it declines sharply. It is evident from figure 5 that ... See full document

... In this work, a direct precipitation method using wet chemical reaction was used to synthesis doped CdO nanoparticles. Copper doped CdO nanopowder was prepared by wet chemical method at room temperature. The ... See full document

... The influence of In content is presented on Figure 3a for a QD with the C geometry. The first electronic levels in the Γ, X, and L valleys and the first heavy-hole level of the QD are represented as a function of the In ... See full document

... Communication between a free-falling observer and an observer hovering above the Schwarzschild horizon of a black hole suffers from Unruh-Hawking noise, which degrades communication channels. Ignoring time dilation, ... See full document

... Silicon is a dominant material in micro and nanoelec- tronics technology, but because of its indirect band struc- ture, it has not been possible to use silicon as optoelec- tronics devices such as light emitting diode ... See full document

... connection of this PT-symmetrical pseudo-Hermitian model with the geometrical theory with maximal mass is established. The interaction of modified Dirac particles with the external magnetic field is considered. In ... See full document

... the quantum well exhibits ...and quantum carrier lifetimes increase by a factor of approximately ...effective mass also exhibits anisot- ...effective mass does not correspond to the highest ... See full document

... In lobbying Congress to remove the legal barriers to MEPs and PEPs, major retirement firms and their advocacy groups have insisted that these plans will reduce the coverage gap. That argument didn’t sway the Obama ... See full document

... effective mass results of the Figure 1 and Figure 2, one can find in Figure 2 the obvious nonlinearity of the increasing effective mass with the enhanced couping of the electron and acoustic phonon in ... See full document