Performance and First Physics Results of the SVT Trigger at CDF II

For the first time in a hadron collider, a novel trigger processor, the Silicon Vertex Trigger (SVT), allows to select the long-lived heavy flavor particles by cutting on the track impact parameter with a precision similar to that of the offline reconstruction. Triggering on displaced tracks has enriched the B-physics program by enhancing the B yields of the lepton-based triggers and opened up full hadronic triggering at CDF. After a first commissioning period, the SVT is fully operational, performing very closely to its design capabilities. System performance and first physics results based on SVT selected data samples are presented.Comment: Invited talk at the Workshop on the CKM Unitarity Triangle, IPPP Durham, April 2003 (eConf C0304052). 4 pages LaTeX, 6 eps figure

Cross‐lingual link discovery in the Web of Data

Cross‐lingual link discovery in the Web of Dat

Radiative models for jets in X-ray binaries

In this work we develop a lepto-hadronic model for the electromagnetic radiation from jets in microquasars with low-mass companion stars. We present general results as well as applications to some specific systems, and carefully analyze the predictions of the model in the gamma-ray band. The results will be directly tested in the near future with the present and forthcoming space-borne and terrestrial gamma-ray telescopes.Comment: 10 pages, 6 figures. Short summary of the main results of the author's PhD Thesis. The full text of the thesis is available for download at http://fcaglp.unlp.edu.ar/~gvila/thesi

Experimental investigation of the equatorial ionospheric anomaly in Africa in the period of solar minimum

Equatorial ionization anomaly of F layer in Africa during period of solar minimu