Effective charge from lattice QCD
نویسندگان
چکیده
منابع مشابه
Δ(1232) axial charge and form factors from lattice QCD.
We present the first calculation on the Δ axial vector and pseudoscalar form factors using lattice QCD. Two Goldberger-Treiman relations are derived and examined. A combined chiral fit is performed to the nucleon axial charge, N to Δ axial transition coupling constant and Δ axial charge.
متن کاملAxial Charge and Form Factors from Lattice QCD
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. We present the first calculation on the Á axial vector and pseudoscalar form factors using lattice QCD. Two Goldber...
متن کاملQuark transverse charge densities in the ∆(1232) from lattice QCD
We extend the formalism relating electromagnetic form factors to transverse quark charge densities in the light-front frame to the case of a spin-3/2 baryon and calculate these transverse densities for the ∆(1232) isobar using lattice QCD. The transverse charge densities for a transversely polarized spin-3/2 particle are characterized by monopole, dipole, quadrupole, and octupole patterns repre...
متن کاملNucleon axial charge in full lattice QCD.
The nucleon axial charge is calculated as a function of the pion mass in full QCD. Using domain wall valence quarks and improved staggered sea quarks, we present the first calculation with pion masses as light as 354 MeV and volumes as large as (3.5 fm)3. We show that finite volume effects are small for our volumes and that a constrained fit based on finite volume chiral perturbation theory agr...
متن کاملInfrared finite effective charge of QCD
A. C. Aguilar,a D. Binosib and J. Papavassiliou∗a aDepartamento de Física Teórica and IFIC, Centro Mixto, Universidad de Valencia–CSIC E-46100, Burjassot, Valencia, Spain b European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*), Villa Tambosi, Strada delle Tabarelle 286, I-38050 Villazzano (TN), Italy. E-mail: [email protected],[email protected], Joannis.Papavassilio...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Chinese Physics C
سال: 2020
ISSN: 1674-1137,2058-6132
DOI: 10.1088/1674-1137/44/8/083102