A phenomenological investigation of the integral and the differential versions of the $${\textit{Kimber}}$$–$${\textit{Martin}}$$–$${\textit{Ryskin}}$$ $${\textit{unintegrated}}$$ parton distribution functions using two different constraints and the $${\textit{MMHT}}2014$$ $${\textit{PDF}}$$
European physical journal. C, Particles and fields