Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Korpa, P."'
We perform an analysis of triangle- and box-loop contributions to the generalized potential in the scattering of Goldstone bosons off the J^P= 0^- and 1^- charmed mesons. Particular emphasis is put on the use of on-shell mass parameters in such contr
Externí odkaz:
http://arxiv.org/abs/2309.09695
We consider the isospin one-half example system, with $D \,\pi , D\,\eta, D_s \bar K, D^* \pi , D^*\eta, D^*\bar K$ coupled channels in the $J^P = 1^-$ partial wave, chosen such that various phenomena that come with the opening of an anomalous thresh
Externí odkaz:
http://arxiv.org/abs/2211.03508
We perform an analysis of Lattice QCD data in the open-charm sector based on the chiral SU(3) Lagrangian. The low-energy constants are adjusted to recover the open-charm meson masses on Lattice QCD ensembles from HPQCD, ETMC and HSC with pion and kao
Externí odkaz:
http://arxiv.org/abs/2209.10601
Autor:
Lutz, M. F. M., Korpa, C. L.
Publikováno v:
Phys. Rev. D 98, 076003 (2018)
We explore a general framework how to treat coupled-channel systems in the presence of overlapping left and right-hand cuts as well as anomalous thresholds. Such systems are studied in terms of a generalized potential, where we exploit the known anal
Externí odkaz:
http://arxiv.org/abs/1808.08695
We develop a method for mapping the anharmonic lattice potential using the time-dependent electric field of the transmitted pulse through thin sample supported by a substrate of non-negligible thickness. Assuming linear propagation in the substrate w
Externí odkaz:
http://arxiv.org/abs/1707.04409
Publikováno v:
Acta Chirurgiae Orthopaedicae et Traumatologiae Čechoslovaca; 2024, Vol. 91 Issue 6, p339-347, 9p
We investigate the interplay of diffraction and nonlinear effects during propagation of very short light pulses. Adapting the factorization approach to the problem at hand by keeping the transverse-derivative terms apart from the residual nonlinear c
Externí odkaz:
http://arxiv.org/abs/1507.04524
Publikováno v:
Phys. Rev. D 92, 016003 (2015)
We study the analytic structure of partial-wave amplitudes derived from u- and t-channel exchange processes. The latter plays a crucial role in dispersion-theory approaches to coupled-channel systems that model final state interactions in QCD. A gene
Externí odkaz:
http://arxiv.org/abs/1506.02375
Akademický článek
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Autor:
Dieperink, A. E. L., Korpa, C.
In this contribution nuclear constraints on the equation of state for a neutron star are discussed. A combined fit to nuclear masses and charge radii leads to improved values for the symmetry energy and its derivative at nuclear saturation density, $
Externí odkaz:
http://arxiv.org/abs/1401.1114