Remarks on bosonic super-WIMP search experiments

Bosonic super--weakly interacting massive particles (WIMPs), including pseudoscalar and vector particles, are dark-matter candidates. To date, many underground experiments searches for super-WIMPs have been performed in the mass range of a few $\mathrm{keV}/{c}^{2}$ to $1\text{ }\text{ }\mathrm{MeV}/{c}^{2}$. All these utilize absorption process super-WIMP by target atom detector, which is similar photoelectric effect. We consider another process---namely, Compton-like process. As an example, we compare cross section germanium with that Our findings indicate becomes dominant relative above approximately $150\text{ }\mathrm{keV}/{c}^{2}$ both super-WIMPs. In particular, increasingly greater than 1 2 orders magnitude $400\text{ }\mathrm{MeV}/{c}^{2}$ range, respectively. By process, has not used any other search experiments, experimental upper limits can be improved.