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Related papers: Lattice computation of structure functions

200 papers

Some aspects of recent QCDSF-UKQCD nucleon moments of structure function computations (both quenched and unquenched) are reviewed in an effort to explore the light quark mass regime, lattice spacing effects and quenching artefacts.

High Energy Physics - Lattice · Physics 2007-05-23 R. Horsley

This is a review of progress in hadron structure physics from lattice QCD. Recent results on the structure of the nucleon and the pion in terms of (transition) form factors, moments of distribution amplitudes and (generalized) parton…

High Energy Physics - Lattice · Physics 2008-11-26 Philipp Hägler

Lattice simulations of hadronic structure are now reaching a level where they are able to not only complement, but also provide guidance to current and forthcoming experimental programmes at, e.g. Jefferson Lab, COMPASS/CERN and FAIR/GSI.…

High Energy Physics - Lattice · Physics 2010-01-21 J. M. Zanotti

A review of recent lattice QCD hadron structure calculations is presented. Important hadronic properties such as the axial charge and spin content of the nucleon, as well as, the mass and axial charge of hyperons and charmed baryons are…

High Energy Physics - Lattice · Physics 2015-06-11 Constantia Alexandrou

We review results on hadron structure using lattice QCD simulations with pion masses close or at to the physical value. We pay particular attention to recent successes on the computation of the mass of the low-lying baryons and on the…

High Energy Physics - Lattice · Physics 2014-11-18 Constantia Alexandrou

The use of lattice QCD to understand hadron structure is described, with particular emphasis on exploring the role of glue.

High Energy Physics - Lattice · Physics 2007-05-23 John W. Negele

Recent progresses of lattice QCD studies for hadron spectroscopy and interactions are briefly reviewed. Some emphasis are given on a new proposal for a method, which enable us to calculate potentials between hadrons. As an example of the…

High Energy Physics - Lattice · Physics 2014-02-14 Sinya Aoki

Recent trends in lattice QCD calculations and latest results are reviewed, with particular emphasis on multiquark-states and the nucleon structure.

Nuclear Theory · Physics 2009-11-10 Gunnar S. Bali

I describe recent progress toward calculating hadronic interactions with Lattice QCD.

Nuclear Theory · Physics 2015-05-20 Martin J. Savage

Recent lattice QCD calculations of the baryon spectrum are outlined.

High Energy Physics - Lattice · Physics 2017-08-23 Robert G. Edwards

This document is one of a series of whitepapers from the USQCD collaboration. Here, we discuss opportunities for lattice QCD calculations related to the structure and spectroscopy of hadrons and nuclei. An overview of recent lattice…

We review recent results on hadron form factors and nucleon generalized parton distibutions obtained with dynamical lattice QCD simulations. We discuss lattice artifacts and open questions, and present the connection of lattice results to…

High Energy Physics - Lattice · Physics 2010-12-10 C. Alexandrou

A brief review is given of attempts to understand the energies of four-quark systems calculated on a lattice in terms of nuclear-physics-inspired many-body techniques involving interquark potentials. Results are given for the next stage of…

High Energy Physics - Lattice · Physics 2007-05-23 UKQCD Collaboration , A. M. Green , J. Koponen , P. Pennanen , C. Michael

I review recent progress in finite temperature lattice calculations, including calculations of Equation of State, fluctuations of conserved charges and spatial correlation functions. I compare lattice results with the predictions of hadron…

High Energy Physics - Phenomenology · Physics 2009-11-18 P. Petreczky

We have initiated a programme to compute the lower moments of the unpolarised and polarised deep inelastic structure functions of the nucleon in the quenched approximation. We review our progress to date.

High Energy Physics - Lattice · Physics 2008-11-26 M. Goeckeler , R. Horsley , M. Ilgenfritz , H. Perlt , P. Rakow , G. Schierholz , A. Schiller

We suggest to compute structure functions in the Hamiltonian formalism on a momentum lattice using a physically motivated regularisation that links the total parton number to the lattice size. We show for the $\phi ^4 _4$ theory that our…

Quantum Physics · Physics 2009-09-25 Norbert Scheu

The progress on the lattice computation of low moments of both the unpolarised and polarised nucleon structure functions is reviewed with particular emphasis on continuum and chiral extrapolations and comparison between quenched and…

High Energy Physics - Lattice · Physics 2008-11-26 M. Göckeler , R. Horsley , D. Pleiter , P. E. L. Rakow , A. Schäfer , G. Schierholz

First principles calculations of the Bjorken-$x$ dependence of hadron structure have been a long-standing challenge for lattice QCD. This year marks a significant milestone: the first determinations of parton distribution functions, which…

High Energy Physics - Lattice · Physics 2018-11-16 Christopher Monahan

Rather than regarding the restriction of current lattice QCD simulations to quark masses that are 5--10 times larger than those observed, we note that this presents a wonderful opportunity to deepen our understanding of QCD. Just as it has…

Nuclear Theory · Physics 2010-05-28 W. Detmold , D. B. Leinweber , W. Melnitchouk , A. W. Thomas , S. V. Wright

Fragmentation functions for hadrons composed of heavy quarks are calculated directly from the definitions given by Collins and Soper and are compared with those calculated in another way. A new fragmentaion function for a P-wave meson is…

High Energy Physics - Phenomenology · Physics 2010-11-01 J. P. Ma