Pair production of charged Higgs bosons in the left–right twin Higgs model at the ILC and LHC Yao-Bei Liu, Hong-Mei Han and Xue-Lei Wang Eur. Phys. J. C, 53 4 (2008) 615-620 Published online: 22 December 2007 DOI: 10.1140/epjc/s10052-007-0492-3