منابع مشابه
From Diphoton GDAs and Photon GPDs to the chiral odd Photon DA
The photon is a very interesting object for QCD studies since it has both a pointlike coupling to quarks, which yields a perturbative part of photons wave function, and a non-perturbative coupling related to the magnetic susceptibility of the QCD vacuum and which builds its chiral-odd twist-2 distribution amplitude. The first feature allows us to compute the photon anomalous generalized parton ...
متن کاملChiral doublet structures in odd-odd n = 75 isotones: chiral vibrations.
New sideband partners of the yrast bands built on the pi(h11/2)nu(h11/2) configuration were identified in 55Cs, 57La, and 61Pm N = 75 isotones of 134Pr. These bands form with 134Pr unique doublet-band systematics suggesting a common basis. Aplanar solutions of 3D tilted axis cranking calculations for triaxial shapes define left- and right-handed chiral systems out of the three angular momenta p...
متن کاملChiral-odd distribution functions in the chiral quark soliton model
The recent measurements of azimuthal single spin asymmetries by the HERMES collaboration has opened up new possibility to measure chiral-odd distribution functions through semi-inclusive deep-inelastic scatterings. Here, predictions are given for the twist-2 and twist3 chiral-odd distribution functions of the nucleon within the framework of the chiral quark soliton model, with full inclusion of...
متن کاملChiral Odd Structure Functions from a Chiral Soliton
We calculate the chiral odd quark distributions and the corresponding structure functions hT (x,Q ) and hL(x,Q ) within the Nambu–Jona–Lasinio chiral soliton model for the nucleon. The Q evolution of the twist–2 contributions is performed according to the standard GLAP formalism while the twist–three piece, hL(x), is evolved according to the large NC scheme. We carry out a comparison between th...
متن کاملThe Chiral Odd Nucleon Tensor Charge
The subject of the nucleon’s spin composition has been intensely studied and has produced important and surprising insights, beginning with the revelation that the majority of its spin is carried by quark and gluonic orbital angular momenta and gluon spin rather than by quark helicity. In addition, considerable effort has gone into understanding, predicting and measuring the transversity distri...
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ژورنال
عنوان ژورنال: EPJ Web of Conferences
سال: 2015
ISSN: 2100-014X
DOI: 10.1051/epjconf/20158502010