Zobrazeno 1 - 10
of 674
pro vyhledávání: '"Recio, C."'
Publikováno v:
In Journal of African Earth Sciences September 2023 205
Autor:
Garcia-Recio, C., Salcedo, L. L.
Using the method of covariant symbols we compute the divergent part of the effective action of the Proca field with non-minimal mass term. Specifically a quantum Abelian vector field with a non-derivative coupling to an external tensor field in curve
Externí odkaz:
http://arxiv.org/abs/1904.06154
Publikováno v:
In Journal of South American Earth Sciences March 2023 123
Akademický článek
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We investigate the structure and formation of charmed meson--nucleus systems, with the aim of understanding the charmed meson--nucleon interactions and the properties of the charmed mesons in the nuclear medium. The $\bar{D}$ mesic nuclei are of spec
Externí odkaz:
http://arxiv.org/abs/1512.03240
Publikováno v:
Phys. Rev. D 92, 034011 (2015)
We study the dependence on the quark mass of the compositeness of the lowest-lying odd parity hyperon states. Thus, we pay attention to $\Lambda-$like states in the strange, charm and beauty, sectors which are dynamically generated using a unitarized
Externí odkaz:
http://arxiv.org/abs/1506.04235
We study odd-parity baryonic resonances with one heavy and three light flavors, dynamically generated by meson-baryon interactions. Special attention is paid to Heavy Quark Spin Symmetry (HQSS), hence pseudoscalar and vector mesons and baryons with J
Externí odkaz:
http://arxiv.org/abs/1310.0348
We study baryon resonances with heavy flavor in a molecular approach, thus as dynamically generated by baryon-meson scattering. This is accomplished by using a unitary coupled-channel model taking, as bare interaction, the extension of the Weinberg-T
Externí odkaz:
http://arxiv.org/abs/1304.4747
Publikováno v:
Phys. Rev. D 87, 096006 (2013)
We review and extend the model derived in Phys. Rev. D83 016007 (2011) to address the dynamics of the low-lying even parity meson resonances. This model is based on a coupled channels spin-flavor extension of the chiral Weinberg-Tomozawa Lagrangian.
Externí odkaz:
http://arxiv.org/abs/1304.1021
Autor:
Garcia-Recio, C., Salcedo, L. L.
Publikováno v:
Class. Quantum Grav. 30 (2013) 097001
A short derivation is given of the weak gravitational field approximation to the scalar massless propagator in Schwarzschild spacetime obtained by Paszko using the path-integral approach. The contribution from the direct coupling of the quantum field
Externí odkaz:
http://arxiv.org/abs/1303.6620