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We study the possibility that Dark Matter (DM) is made of Feebly InteractingMassive Particles (FIMP) interacting just gravitationally with the StandardModel particles in the framework of a Clockwork/Linear Dilaton (CW/LD) model.We restrict here to the case in which the DM particles are scalar fields. Thispaper extends our previous study of FIMP's in Randall-Sundrum (RS) warpedextra-dimensions. As it was the case in the RS scenario, also in the CW/LDmodel we find a significant region of the parameter space in which the observedDM relic abundance can be reproduced with scalar DM mass in the MeV range, witha reheating temperature varying from 10 GeV to $10^{9}$ GeV. We comment on thesimilarities of the results in both extra-dimensional models.

FIMP Dark Matter in Clockwork/Linear Dilaton Extra-Dimensions