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Autor Llanes Estrada, Felipe José |
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Llanes Estrada, Felipe José ; Oset, E. ; Mateu, V. ; Sarkar, S. ; Vicente Vacas, M.J. | World Scientific Publ Co Pte Ltd | 2004In this talk I look into three different topics, addressing first a method to determine the quantum numbers of the +, then exploiting the possibility that the + is a bound state of K N and in the third place I present results on a new resonant[...]texto impreso
A computation of the quotient of shear viscosity and entropy density, or the Kovtun, Son and Starinets (KSS) number eta/s, is performed in the non-relativistic and classical regime, first in chiral perturbation theory, and then in the SO(g + 1)I[...]texto impreso
Llanes Estrada, Felipe José ; Delgado López, Rafael ; Dobado González, Antonio | Springer | 2014-02-27By including the recently discovered Higgs-like scalar phi in the Electroweak Chiral Lagrangian, and using the Equivalence Theorem, we carry out the complete one-loop computation of the elastic scattering amplitude for the longitudinal component[...]texto impreso
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Delgado López, Rafael ; Dobado González, Antonio ; Llanes Estrada, Felipe José | American Physical Society | 2015-06-04We propose and theoretically study a possible new resonance caused by strong coupling between the Higgs-Higgs and the W_LW_L (Z_L Z_L) scattering channels, without regard to the intensity of the elastic interaction in either channel at low energ[...]texto impreso
We argue that three-quark excited states naturally group into quartets, split into two parity doublets, and that the mass splittings between these parity partners decrease higher up in the baryon spectrum. This decreasing mass difference can be [...]texto impreso
Dobado González, Antonio ; Guo, Feng-Kuo ; Llanes Estrada, Felipe José | IOP publishing ltd | 2015-12-01We are exploring a generic strongly-interacting Electroweak Symmetry Breaking Sector (EWSBS) with the low-energy effective field theory for the four experimentally known particles (W_L^±, Z_L, h) and its dispersion-relation based unitary extensi[...]texto impreso
Dobado González, Antonio ; Guo, Feng-Kuo ; Llanes Estrada, Felipe José | IOP publishing ltd | 2015-12-01We are exploring a generic strongly-interacting Electroweak Symmetry Breaking Sector (EWSBS) with the low-energy effectie field theory for the four experimentally known particles (W^(±)_(L), Z_(L), h) and its dispersion-relation based unitary ex[...]texto impreso
Brambilla, N. ; Eidelman, S. ; Foka, P. ; Gardner, S. ; Kronfeld, A. S. ; Alford, M. G. ; Alkofer, R. ; Butenschoen, M. ; Cohen, T. D. ; Erdmenger, J. ; Fabbietti, L. ; Faber, M. ; Goity, J. L. ; Ketzer, B. ; Lin, H. W. ; Llanes Estrada, Felipe José ; Meyer, H. B. ; Pakhlov, P. ; Pallante, E. ; Polikarpov, M. I. ; Sazdjian, H. ; Schmitt, A. ; Snow, W. M. ; Vairo, A. ; Vogt, R. ; Vuorinen, A. ; Wittig, H. ; Arnold, P. ; Christakoglou, P. ; Di Nezza, P. ; Fodor, Z. ; Garcia i Tormo, X. ; Hoellwieser, R. ; Janik, M. A. ; Kalweit, A. ; Keane, D. ; Kiritsis, E. ; Mischke, A. ; Mizuk, R. ; Odyniec, G. ; Papadodimas, K. ; Pich, A. ; Pittau, R. ; Qiu, J. W. ; Ricciardi, G. ; Salgado, C. A. ; Schwenzer, K. ; Stefanis, N. G. ; von Hippel, G. M. ; Zakharov, V. I. | Springer Verlag Berlin Heidelberg | 2014-10-21We highlight the progress, current status, and open challenges of QCD-driven physics, in theory and in experiment. We discuss how the strong interaction is intimately connected to a broad sweep of physical problems, in settings ranging from astr[...]texto impreso
Llanes Estrada, Felipe José ; Cotanch, Stephen R. ; Bicudo, Pedro J. ; Ribeiro, J. Emilio ; Szczepaniak, Adam | Elsevier Science BV | 2002-11-04Implementing many-body techniques successful in other fields, we report a glueball Regge trajectory emerging from diagonalizing a confining Coulomb gauge Hamiltonian for constituent gluons. Through a BCS vacuum ansatz and gap equation, the dress[...]texto impreso
Llanes Estrada, Felipe José ; Guo, F.-K. ; Hanhart, C. ; Cleven, M | American Institute of Physics | 2011The pion mass dependence of the pion vector form factor is investigated using the Omnes representation. Our prediction agrees with later lattice results quite well. The nice agreement of the pion mass dependence of the scattering lengths of the [...]texto impreso
We examine the quark mass dependence of the pion vector form factor, particularly the curvature (mean quartic radius). We focus our study on the consequences of assuming that the coupling constant of the ? to pions, g??? , is largely independent[...]texto impreso
Using a systematic expansion of the quark-antiquark Bethe Salpeter wave functions in the relativistic quark model and working to O(P-4) in the chiral limit, we are able to derive theoretical expressions relating the coefficients of the chiral La[...]texto impreso
We present and numerically solve a modified form of the equation of motion for a charged particle under the influence of an external force, taking into account the radiation reaction. This covariant equation is integro differential, as Dirac-Roh[...]texto impreso
Llanes Estrada, Felipe José ; Szczepaniak, Adam P. ; Londergan, J. T. | Polish Acad Sciences Inst Physics | 2009-08Recently we have shown that exclusive QCD photon-induced reactions at low Mandelstam-t are best described by Regge exchanges in the entire scaling region, and not only for low values of Bjorken- x. In this paper we explore this crucial Regge beh[...]