Zobrazeno 1 - 10
of 30
pro vyhledávání: '"J. R. Peláez"'
Publikováno v:
Physical Review Letters. 130
Publikováno v:
Physical Review Letters. 130
Determination of the Lightest Strange Resonance K_{0}^{*}(700) or κ, from a Dispersive Data Analysis
Autor:
J R, Peláez, A, Rodas
Publikováno v:
Physical review letters. 124(17)
In this work we present a precise and model-independent dispersive determination from data of the existence and parameters of the lightest strange resonance κ/K_{0}^{*}(700). We use both subtracted and unsubtracted partial-wave hyperbolic and fixed-
Determination of the Lightest Strange Resonance K 0 * ( 700 ) or κ , from a Dispersive Data Analysis
Autor:
J. R. Peláez, A. Rodas
Publikováno v:
Physical Review Letters
Autor:
J R Peláez
Publikováno v:
E-Prints Complutense. Archivo Institucional de la UCM
instname
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
instname
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
In this talk I briefly review the status of the f(0)(500) and f(0)(980) together with the other light scalar resonances, as well as the emerging picture of a non-ordinary light meson multiplet, paying particular attention to unitarized Chiral Perturb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c99a13325b6a9bb079d73637ef807346
https://eprints.ucm.es/id/eprint/29185/1/pelaezsagredo127libre+CC.pdf
https://eprints.ucm.es/id/eprint/29185/1/pelaezsagredo127libre+CC.pdf
Publikováno v:
Physical review letters. 107(7)
We use our latest dispersive analysis of ππ scattering data and the very recent K(ℓ4) experimental results to obtain the mass, width, and couplings of the two lightest scalar-isoscalar resonances. These parameters are defined from their associate
Autor:
J. R. Peláez, J. Nebreda
Publikováno v:
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
E-Prints Complutense. Archivo Institucional de la UCM
instname
Universidad Complutense de Madrid
E-Prints Complutense. Archivo Institucional de la UCM
instname
We study the dependence of the π π scattering phase shifts on the light quark mass in both standard and unitarized SU(2) Chiral Perturbation Theory (ChPT) to one and two loops. We then use unitarized SU(3) ChPT to study the elastic f_0(600), k(800)
Autor:
J. Nebreda, J. R. Peláez, David Armstrong, Volker Burkert, Jian-Ping Chen, Will Detmold, Jo Dudek, Wally Melnitchouk, David Richards
Publikováno v:
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
E-Prints Complutense. Archivo Institucional de la UCM
instname
Universidad Complutense de Madrid
E-Prints Complutense. Archivo Institucional de la UCM
instname
We study the dependence of the pion-pion scattering phase shifts on the light quark mass in both standard and unitarized SU(2) Chiral Perturbation Theory (ChPT) to one and two loops. We then use unitarized SU(3) ChPT to study the elastic f_0(600), ka
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4ea3283739917e76de213059520b9e9
https://eprints.ucm.es/id/eprint/35010/1/pelaezsagredo15libre.pdf
https://eprints.ucm.es/id/eprint/35010/1/pelaezsagredo15libre.pdf
Publikováno v:
AIP Conference Proceedings.
We review our work on the ρ and σ resonances derived from the Inverse Amplitude Method. In particular, we study the leading 1/N_c behavior of the resonances masses and widths and their evolution with changing m_π. The 1/Nc expansion gives a clear
Autor:
F. J. Llanes-Estrada, J. R. Peláez
Publikováno v:
AIP Conference Proceedings.