HELEN
High Energy
Physics LatinAmerican-European Network
This document has been
produced with the assistance of the
European Union. The contents of this document is
the sole responsability of
the HELEN network and can in no way be taken to
reflect the views of the European Union.
The background of the HELEN's logo is a picture, taken by the NA49
Collaboration, of the collision of a lead nucleus on a stationary target at the CERN-SPS Heavy Ion Facility (cortesy of CERN, see http://microcosm.web.cern.ch/Microcosm/engl/capt.html#photo3).