Calibration of CMS calorimeters with LHC proton beam deflected by   crystal
  Calibration of the forward CMS hadron calorimeters in situ by the LHC beam is proposed. Simulations show that bent crystal channeling technique is feasible at the LHC, and report the experience of IHEP Protvino in bending 70 GeV protons by 9 degrees (150 mrad) during 10 years in 1994-2004 experiments. Practical realization of calibration scheme based on simulations and previous experience is proposed. 
Yu. Chesnokov, V. Biryukov, V. Kryshkin (Serpukhov, IHEP)