[PDF] Top 20 Generalized parton distributions and structure functions from full lattice QCD

... urations generated with Wilson glue and non- perturbatively O(a) improved Wilson fermions. For five different values β = 5.20, 5.25, 5.26, 5.29, 5.40 and up to three different kappa values per beta we have in ... See full document

... 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 determination of hadron matrix elements ... See full document

... Internal structure of the nucleon has been investigated for a long time by lepton and hadron scatter- ing processes at various energies, and major properties are now ...3D structure functions of ... See full document

... distribution functions (PDFs) are important quantities describing the probability densities of quarks and gluons within ...PDFs from first principles has long been a holy grail for nuclear and high-energy ... See full document

... 2 P, S | q ¯ (0) Γ U[0, ηv, ηv + b, b ] q ( b ) |P , S (1) where S denotes the spin of the hadron and Γ stands for an arbitrary γ-matrix structure. The staple- shaped gauge connection U follows straight-line paths ... See full document

... hadron structure such as scalar and tensor charges, tensor moments, and σ-terms, all of which have been computed at the physical ...the full renormalization has not been carried out yet this approach hold ... See full document

... to parton shower and ...momenta from inclusive jets to multi-jet final ...on parton distribution functions (PDFs) and are helpful in the treatment of heavy flavours in QCD ...order ... See full document

... quark structure of nucleons has emerged over the last half-century, through increasingly precise measurements of quantities such as the nucleon electromagnetic form factors and quark momentum distribution ... See full document

... distribution functions (PDFs), which characterise the distribution of a fast-moving nu- cleon’s longitudinal momentum amongst its constituents, have posed particular difficulties for first principles’ QCD ... See full document

... transverse structure of the hadron led to a new suggestion of how one may extract PDFs from lattice QCD ...results from our first numerical exploration [20] are ... See full document

... resources from John von Neumann-Institute for Computing at the research center in Jülich through the PRACE allocation, and from the Cy- Tera facility of the Cyprus Institute under the project Cy-Tera (NEA ... See full document

... Note that different nuclear effects outlined above are relevant in different regions of Bjorken x, as it can be seen from figure 2. In the region of large x > 0.2 the leading correction is due to nuclear Fermi ... See full document

... Need for dispersive analysis: In right panel of Fig. 2 we see the first determination of the σ resonance pole from lattice QCD. [52]. For the heavier ensemble, this turned to be a bound state. For ... See full document

... A feature that occurs exclusively for flavour singlet mesons, is that there are two independent ways to link up the quarks and antiquarks between the initial and final state - as illustrated in fig. 3. Moreover, these ... See full document

... the full calorimeter yields an average value of 48 GeV with a standard deviation of 3 GeV [65, ...up from small contributions of a large number of ...the full noise ... See full document

... variety of methodologies, which underscores the robustness of current studies. Based on the current global fits, the uncertainty in the central value of the PDFs is at the % level in the central x region at Q = 100 GeV. ... See full document

... correlation functions at early ...understood from the intuition of a nucleus representing a collection of ...physics from noisy correlation functions of ...correlation functions at ... See full document

... selected lattice results on the charmonium spectrum and first attempts to search for the existence of exotic ...a lattice study of the hadro-quarkonium model in the limit of static ... See full document

... Creutz was the first author to notice [9] that well estab- lished importance sampling techniques from statistical me- chanics can be used to calculate specific ratios of QCD functional integrals in ... See full document

... Here, M −1 (~ y, t|~ x, 0) is the lattice representation of the Green's function of the Dirac operator and propagates a quark from lattice site (~ x, 0) to (~ y, t) . Note that the second term in 3.6 ... See full document