2011-02-04 CERN-2011-002 ATLAS-DINGSDA-Collaboration ATLANTIS CERN-VLHC-ATLANTIS DINGSDA DESY-DINGSDA Pisa I-56127 Pisa, Italy http://www.pi.infn.it Istituto Nazionale di Fisica Nucleare Pisa INFN, Pisa https://ror.org/05symbg58 I-56127 Pisa, Italy http://www.df.unipi.it University of Pisa Pisa U. https://ror.org/03ad39j10 I-56127 Pisa, Italy http://www.sns.it Scuola Normale Superiore Pisa, Scuola Normale Superiore https://ror.org/03aydme10 I-56127 Pisa, Italy Canada http://www.alberta.ca University of Alberta https://ror.org/0160cpw27 http://www.ubc.ca University of British Columbia https://ror.org/03rmrcq20 http://www.cern.ch CERN https://ror.org/01ggx4157 John Q. Public John Quentin Public J. Public J. Public Gretzky Foundation Fellow Maria Rossi Maria Rossi M. Rossi M. Rossi