Results 41 to 50 of about 73,606 (214)

Skewed parton distributions [PDF]

open access: yesNuclear Physics A, 2000
Applications of perturbative QCD to deeply virtual Compton scattering and hard exclusive electroproduction processes require a generalization of usual parton distributions for the case when long-distance information is accumulated in nonforward matrix elements of quark and gluon light-cone operators.
openaire   +2 more sources

Quark Wigner Distributions and Orbital Angular Momentum [PDF]

open access: yes, 2011
We study the Wigner functions of the nucleon which provide multidimensional images of the quark distributions in phase space. These functions can be obtained through a Fourier transform in the transverse space of the generalized transverse-momentum ...
Lorce, Cedric, Pasquini, Barbara
core   +1 more source

Polarized parton distributions in the nucleon [PDF]

open access: yesPhysical Review D, 1996
18 pages, LATEX, 6 figures available as .uu ...
Gehrmann, T., Stirling, W. J.
openaire   +3 more sources

Demystifying generalized parton distributions [PDF]

open access: yes, 2002
In this paper, I will explain in as simple and intuitive physical terms as possible what generalized parton distributions are, what new information about the structure of hadrons they convey and therefore what picture of the hadron will emerge.
A. Freund   +41 more
core   +2 more sources

Wigner Functions and Quark Orbital Angular Momentum

open access: yesEPJ Web of Conferences, 2015
Wigner distributions contain combined position and momentum space information of the quark distributions and are related to both generalized parton distributions (GPDs) and transverse momentum dependent parton distributions (TMDs).
Mukherjee Asmita   +2 more
doaj   +1 more source

Collinear and TMD distributions with dynamical soft-gluon resolution scale

open access: yesJournal of High Energy Physics
Soft-gluon resolution scales characterize parton branching Monte Carlo implementations of the evolution equations for parton distribution functions in Quantum Chromodynamics (QCD).
F. Hautmann   +4 more
doaj   +1 more source

Scaling from microsite to landscape to resolve litter decomposition dynamics in globally extensive drylands

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Decomposition is the transformation of dead organic matter into its inorganic constituents. In most biomes, decomposition rates can be accurately predicted with simple mathematical models, but these models have long under‐predicted decomposition in globally extensive ...
Heather L. Throop   +8 more
wiley   +1 more source

Parton distributions in the shockwave formalism

open access: yesJournal of High Energy Physics
In this work, we calculate a broad class of parton distributions — including parton distribution functions (PDFs), transverse-momentum-dependent distributions (TMDs), generalized parton distributions (GPDs), generalized transverse-momentum-dependent ...
Shohini Bhattacharya   +4 more
doaj   +1 more source

Measurement of double-parton scattering in inclusive production of four jets with low transverse momentum in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV

open access: yesJournal of High Energy Physics, 2022
A measurement of inclusive four-jet production in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. The transverse momenta of jets within |η| < 4.7 are required to exceed 35, 30, 25, and 20 GeV for the first-, second-, third ...
The CMS collaboration   +2347 more
doaj   +1 more source

The Price Gap in Agriculture‐Based Greenhouse Gas Offset Markets

open access: yesAustralian Journal of Agricultural and Resource Economics, EarlyView.
ABSTRACT Today, there is a global effort to reduce greenhouse gas net emissions (GHGNE). For economic well‐being, it is important to identify low‐cost means of net emission offsets. Agriculture and forestry have received considerable attention as a means of supplying emissions offsets, as they contribute nearly 20% of global emissions.
Jingyi W. Liu   +2 more
wiley   +1 more source

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