Equation of state and hybrid star properties with the weakly interacting light U-boson in relativistic modelsDong-Rui Zhang, Wei-Zhou Jiang, Si-Na Wei, Rong-Yao Yang and Qian-Fei XiangEur. Phys. J. A, 52 5 (2016) 142DOI: https://doi.org/10.1140/epja/i2016-16142-x