[PDF] Top 20 Baryon resonances in large N(c) QCD

... O(1). In this procedure, there are two major drawbacks, related to each ...given in the right-hand side of ...Consequently, in selecting the most dominant operators one has to make an arbitrary ... Voir le document complet

... indicated in Table II in each ...somewhat large χ 2 dof and found out that it is rather difficult to accommodate the experimentally low mass of ...Λ(S01) resonances in terms of the ... Voir le document complet

... those in nature (equal to that of the physical strange quark mass and corresponding to a pion mass of ≈806 ...baryons in a finite volume to the two-particle scattering amplitudes below the relevant ... Voir le document complet

... ). In these equations, µ 0 = p πσ(N + 3)/18, and α 0 = α s,qq ...the baryon band number in a harmonic oscillator picture, just as the one which is used in large N c QCD as ... Voir le document complet

... value in the relativistic flux tube model is 2πa, a lower value than the one obtained from formula ...light baryon Regge slope for a physical value σ < ∼ ... Voir le document complet

... lattice QCD determi- nation of singly, doubly, and triply heavy baryon masses that includes both charm and bottom quarks in any combination, and also achieves good control over all major sources of ... Voir le document complet

... known resonances located in the appropriate mass region, except for those which were supposed to belong to the [56, 2 + ] multiplet ...of resonances give a reasonable fit when described by the ... Voir le document complet

... observe in our environment exhibits remarkably intricate ...and baryon states and resonances are ...hypernuclei in which a vast variety of physical phenomena ...anomalously large ... Voir le document complet

... improved gauge action with m π ∼ 386 MeV and m K ∼ 543 MeV. The spatial lattice spacing for these ensembles is b s = 0.1227(8), and the anisotropy parameter ξ = b t /b s ∼ 3.5. We use en- sembles with a large ... Voir le document complet

... at large Q 2 , in accord with perturbative ...results in the quenched theory and for N F ¼ 2 Wilson fermions are within the error ...moment in natural units is given by

¼ G M1 ð0Þe=ð2m
... Voir le document complet

... the resonances of the structure alone (with frequency lowered by added mass and shifted through the complex plane by radiation damping) and of the scattering resonances of the rigid body ...scattering ... Voir le document complet

... occuring in a quasi-identical ...the large stability domains and the specific behaviors of the precession and resonant ...these large stability domains are caused by close approaches much faster and ... Voir le document complet

... dof . In the other columns one or two operators have been removed in order to understand their role in the fit. One can see that the removal of O 5 or of O 6 is not so dramatic but that the removal ... Voir le document complet

... effect in a free space, but the Efimov effect can be induced by confining only 40 K in one ...rate in such a system in the dilute limit has a characteristic logarithmic-periodic dependence on ... Voir le document complet

... 1 Introduction The search for new physics (NP) beyond the standard model (SM), a major aim in high energy physics, is especially stimulating now, that the Higgs boson, the last ingredient of the SM, has been ... Voir le document complet

... In figure 3 we show the resulting logarithmic Dalitz distribution, compared to the mea- sured Dalitz distribution. Clearly the Dalitz plot is dominated by the resonance structure given by the time-like pion form ... Voir le document complet

... increased in comparison with sample 1, the scattering effects induce much stronger losses and so higher ...Therefore, in order to still make accurate acoustic measurements, there is a need to reduce the ... Voir le document complet

... neglected. In the context of the Donnachie-Landshoff model, it is made of two terms: a planar one, for which the pomerons couple to the same quark, and a non-planar one for which they couple to two different ... Voir le document complet

... Elements in Light Nuclei from Lattice QCD Martin ...methods. In addition, the low- energy cross section for the simplest radiative capture process, np → dγ, has been calculated [ 14 ...given ... Voir le document complet

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet