1. LHC Project Report 626, F. Ruggiero (Ed.), LHC Luminosity and Energy Upgrade: A Feasibility Study, CERN, December 2002, http://cern.ch/lhc-proj-IR-upgrade/.
2. F. Gianotti, et al., Physics potential and experimental challenges of the LHC luminosity upgrade, hep-ph/0204087, April 2002.
3. Radiation damage in silicon detectors
4. The RD50 collaboration; http://cern.ch/rd50/.
5. ATLAS Tracker Upgrade Workshop, Genova, July 18–20, 2005, Physics Department of University & INFN and previous upgrade workshops.