Di-Higgs enhancement by neutral scalar as probe of new colored sectorKoji Nakamura, Kenji Nishiwaki, Kin-ya Oda, Seong Chan Park and Yasuhiro YamamotoEur. Phys. J. C, 77 5 (2017) 273DOI: https://doi.org/10.1140/epjc/s10052-017-4835-4