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2. See, e.g., E. Levin, An Introduction to pomerons, arXiv:hep-ph/9808486; O. Nachtmann, Pomeron physics and QCD, arXiv:hep-ph/0312279; C. Royon, Diffraction at HERA, the Tevatron and the LHC, Acta Phys. Polon. B 37, 3571 (2006) [arXiv:hep-ph/0612153].
3. CMS Collaboration, CMS ECAL Technical Design Report, CERN/LHCC 97–33 (1997).
4. P. Schieferdcker et al., CMS Analysis Note-2008/001 (2008); CMS Collaboration, CMS HCAL Technical Design Report, CERN/LHCC 97–31 (1997).
5. C. F. von Weizsacker, Radiation emitted in collisions of very fast electrons, Z. Phys. 88, 612 (1934);