Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Leitão, Sofia"'
Tese de mestrado integrado. Engenharia Civil. Faculdade de Engenharia. Universidade do Porto. 2009
Externí odkaz:
http://hdl.handle.net/10216/59912
Autor:
Vissing, Yvonne M., Leitao, Sofia
Communities around the world face challenges in how to assist the influx of refugees and immigrants, who arrive with only the clothes on their backs. They may have health problems and have experienced violence and trauma before they arrived in their
We present results for the quark mass function in Minkowski space calculated from an interaction kernel that consists of an effective one-gluon-exchange and a constant interaction. We analyze the gauge dependence of our results and compare them in th
Externí odkaz:
http://arxiv.org/abs/1904.07711
Publikováno v:
Phys. Rev. D 98, 114033 (2018)
We present first results for the quark mass function in Minkowski space in both the spacelike and timelike regions calculated from the same quark-antiquark interaction kernel used in the latest meson calculations using the Gross equation. This kernel
Externí odkaz:
http://arxiv.org/abs/1811.01003
The masses and vertex functions of heavy and heavy-light mesons, described as quark-antiquark bound states, are calculated with the Covariant Spectator Theory (CST). We use a kernel with an adjustable mixture of Lorentz scalar, pseudoscalar, and vect
Externí odkaz:
http://arxiv.org/abs/1803.00519
We solve a Minkowski-space integral equation, derived in the Covariant Spectator Theory, for quark-antiquark bound states describing heavy and heavy-light mesons. The equation's kernel contains a one-gluon exchange interaction and a covariant general
Externí odkaz:
http://arxiv.org/abs/1708.08862
We use the covariant spectator theory with an effective quark-antiquark interaction, containing Lorentz scalar, pseudoscalar, and vector contributions, to calculate the masses and vertex functions of, simultaneously, heavy and heavy-light mesons. We
Externí odkaz:
http://arxiv.org/abs/1707.09303
Autor:
Leitão, Sofia, Li, Yang, Maris, Pieter, Peña, M. T., Stadler, Alfred, Vary, James P., Biernat, Elmar P.
In this work we compare mass spectra and decay constants obtained from two recent, independent, and fully relativistic approaches to the quarkonium bound-state problem: the Hamiltonian basis light-front quantization (BLFQ) approach, where light-front
Externí odkaz:
http://arxiv.org/abs/1705.06178
As an application of the Covariant Spectator Theory (CST) we calculate the spectrum of heavy-light and heavy-heavy mesons using covariant versions of a linear confining potential, a one- gluon exchange, and a constant interaction. The CST equations p
Externí odkaz:
http://arxiv.org/abs/1702.07702
In this work, we perform a covariant treatment of quark-antiquark systems. We calculate the spectra and wave functions using a formalism based on the Covariant Spectator Theory (CST). Our results not only reproduce very well the experimental data wit
Externí odkaz:
http://arxiv.org/abs/1702.07704