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36 papers · 1 filter
Sporadic electron jets from cathodes - The main breakdown-triggering mechanism in gaseous detectors
C. Iacobaeus, M. Danielsson, P. Fonte +3
We have demonstrated experimentally that the main breakdown-triggering mechanism in most gaseous detectors, including micropattern gaseous detectors, is sporadic electron jets from…
Note on the Deformed Boson Scheme in Time-Dependent Variational Method
A. Kuriyama, C. Providencia, J. da Providencia +2
The Holstein-Primakoff representation for the su(2)-algebra is derived in the deformed boson scheme. The following two points are discussed : (i) connection between a simple Hamilt…
Kaons and pions in strange quark matter
Pedro Costa, Maria C. Ruivo
The behavior of kaons and pions in strange quark matter in weak equilibrium, is investigated within the SU(3) Nambu-Jona-Lasinio [NJL] model. This work focuses a region of high den…
On the dominance of non-exotic meson-meson scattering by s-channel qqbar confinement states and the classification of the scalar mesons
Eef van Beveren, George Rupp
Non-exotic scalar-meson resonances in S-wave meson-meson scattering are studied in the light of a unitarised Schroedinger model. The resulting poles in the scattering matrices, by…
A standard stellar library for evolutionary synthesis. III. Metallicity calibration
P. Westera, T. Lejeune, R. Buser +2
We extend the colour calibration of the widely used BaSeL standard stellar library (Lejeune, Cuisinier, & Buser 1997, 1998) to non-solar metallicities, down to [Fe/H] ~ -2.0 dex. S…
Implications of a New Effective Chiral Meson Lagrangian
Alexander A. Osipov, Marcos Sampaio, Brigitte Hiller
Based on a recently derived effective chiral meson Lagrangian from the extended SU(2)\otimes SU(2) Nambu -- Jona-Lasinio (ENJL) model, in the linear realization of chiral symmetry,…