Perturbative renormalization of moments of quark momentum, helicity and transversity distributions with overlap and Wilson fermions
@article{Capitani2001PerturbativeRO, title={Perturbative renormalization of moments of quark momentum, helicity and transversity distributions with overlap and Wilson fermions}, author={Stefano Capitani}, journal={Nuclear Physics}, year={2001}, volume={597}, pages={313-336} }
11 Citations
Moments of Nucleon Light Cone Quark Distributions Calculated in Full Lattice QCD
- Physics
- 2002
Moments of the quark density, helicity, and transversity distributions are calculated in unquenched lattice QCD. Calculations of proton matrix elements of operators corresponding to these moments…
One-loop renormalisation of quark bilinears for overlap fermions with improved gauge actions
- Physics
- 2004
Mellin moments
⟨x⟩
and
⟨x2⟩
for the pion and kaon from lattice QCD
- Physics
- 2021
We present a calculation of the pion quark momentum fraction, $⟨x⟩$, and its third Mellin moment $⟨{x}^{2}⟩$. We also obtain directly, for the first time, $⟨x⟩$ and $⟨{x}^{2}⟩$ for the kaon using…
One-loop matching for parton distributions: Nonsinglet case
- Physics
- 2014
We derive the one-loop matching condition for nonsinglet quark distributions in the transverse-momentum cutoff scheme, including unpolarized, helicity and transversity distributions. The matching is…
The Mellin moments $\langle x \rangle$ and $\langle x^2 \rangle$ for the pion and kaon from lattice QCD
- Physics
- 2020
We present a calculation of the pion quark momentum fraction, $\langle x \rangle$, and its third Mellin moment $\langle x^2 \rangle$. We also obtain, for the first time, $\langle x \rangle$ and…
References
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The renormalization of the most general dimension-six four-fermion operators without power subtractions is studied at one loop in lattice perturbation theory using overlap fermions. As expected,…
Chiral symmetry, quark mass, and scaling of the overlap fermions
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The chiral symmetry relation and scaling of the overlap fermions are studied numerically on the quenched lattices at 3 couplings with about the same physical volume and the critical slowing down sets in abruptly at a very small quark mass close to those of the physical u and d quarks.
Transversely polarized parton densities, their evolution and their measurement
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AbstractThe transverse spin asymmetry of a quark in a baryon and the linear polarization of a gluon in a vector meson are studied from thet-channel point of view. Using the Altarelli-Parisi approach,…