Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Dillig, Manfred"'
Publikováno v:
Int.J.Mod.Phys. E11 (2002) 83-104
Thermodynamical properties of nuclear matter are studied in the framework of an effective many-body field theory at finite temperature, considering the Sommerfeld approximation. We perform the calculations by using the nonlinear Boguta and Bodmer mod
Externí odkaz:
http://arxiv.org/abs/astro-ph/0107476
Autor:
Kleefeld, Frieder, Dillig, Manfred
Publikováno v:
Acta Phys.Polon. B29 (1998) 3059-3064
$pp\to pp\pi^0$ and $pp\to pp\eta$ were considered close to threshold. The pion production was found not only to be dominated by impulse approximation (IA) and rescattering contributions, but also strongly by box-diagrams, resonances and heavy-meson
Externí odkaz:
http://arxiv.org/abs/nucl-th/9806057
Publikováno v:
Acta Phys.Polon.B27:2867-2870,1996
We investigate the exclusive proton-induced $K^+$ production near the kaon threshold. Compared are two models: a meson-exchange model, which includes $\pi$, \rho$, $K$ and $K^\ast$ exchange, together with the dominant baryon resonances, and a quark-g
Externí odkaz:
http://arxiv.org/abs/nucl-th/9806059
Autor:
Kleefeld, Frieder, Dillig, Manfred
Publikováno v:
Few-Body Systems 15 (1993) N24
To study the characteristic features of relativistic bound systems, the Bethe-Salpeter equation (BSE) for two equal mass spin 1/2 particles (like the deuteron) is solved in the cm-frame for a covariant separable interaction kernel. For that purpose t
Externí odkaz:
http://arxiv.org/abs/nucl-th/9806058
Autor:
Kleefeld, Frieder, Dillig, Manfred
In the following short paper we list some useful results concerning determinants and inverses of matrices. First we show, how to calculate determinants of $d \times d$ matrices, if their traces are known. As a next step $4 \times 4$ matrices are expr
Externí odkaz:
http://arxiv.org/abs/hep-ph/9806415
Autor:
Vasconcellos, Cesar Augusto Zen, Coelho, Hélio Teixeira, Pilotto, Fernando Goncalves, Bodmann, Bardo Ernst Josef, Dillig, Manfred, Razeira, Moises
Publikováno v:
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
In the present work we propose a new bag model for hadrons, called the modi ed fuzzy bag model (MFBM). The distinguishing feature of this model is the suppression of the pion eld, as it enters the bag, by means of a scalar potential for the pions, wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::17402d123966f1f68c1916a4d08fbf69
Akademický článek
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Publikováno v:
AIP Conference Proceedings; Apr1985, Vol. 128 Issue 1, p188-196, 9p
Autor:
Mesquita, Alexandre, Razeira, Moises, Vasconcellos, Cesar A.Z., Dillig, Manfred, Bodmann, Bardo E.J.
Publikováno v:
International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology; Aug2004, Vol. 13 Issue 7, p1177-1181, 5p
Autor:
Maekawa, Cl&aaucte;udio M., Razeira, Moises, Lutz, Eduardo F., Vasconcellos, Cesar A.Z., Dillig, Manfred
Publikováno v:
International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology; Aug2004, Vol. 13 Issue 7, p1223-1228, 6p