45 citations
3 papers
hep-ph2007★ 45 cited
QCD sum rules study of Ξ_c and Ξ_b baryons
Francisco O. Durães, Marina Nielsen
We use QCD sum rules to study the masses of the baryons and . We work with a current where the strange and the light quarks are in a relative spin zero, at leading order…
astro-ph2007★ 8 cited
Association of mid-infrared solar plages with Calcium K line emissions and magnetic structures
R. Marcon, P. Kaufmann, A. M. Melo +2
Solar mid-IR observations in the 8-15 micrometer band continuum with moderate angular resolution (18 arcseconds) reveal the presence of bright structures surrounding sunspots. Thes…
astro-ph2007★ 4 cited
Observed flux density enhancement at submillimeter wavelengths during an X-class flare
G. Cristiani, C. G. Giménez de Castro, M. L. Luoni +3
We analyse the 30 October, 2004, X1.2/SF solar event that occurred in AR 10691 (N13 W18) at around 11:44 UT. Observations at 212 and 405 GHz of the Solar Submillimeter Telescope (S…