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We discuss the phenomenology and cosmology of a Standard-like Model inspiredby string theory, in which the gauge fields are localized on D-branes wrappingcertain compact cycles on an underlying geometry, whose intersection can giverise to chiral fermions. The energy scale associated with string physics isassumed to be near the Planck mass. To develop our program in the simplest way,we work within the construct of a minimal model with gauge-extended sector U(3)_B \times Sp (1)_L \times U (1)_{I_R} \times U (1)_L. The resulting U (1)content gauges the baryon number B, the lepton number L, and a third additionalabelian charge I_R which acts as the third isospin component of an SU(2)_R. Allmixing angles and gauge couplings are fixed by rotation of the U(1) gaugefields to a basis diagonal in hypercharge Y and in an anomaly free linearcombination of I_R and B-L. The anomalous $Z'$ gauge boson obtains a stringscale St\"uckelberg mass via a 4D version of the Green-Schwarz mechanism. Tokeep the realization of the Higgs mechanism minimal, we add an extra SU(2)singlet complex scalar, which acquires a VEV and gives a TeV-scale mass to thenon-anomalous gauge boson Z". The model is fully predictive and can beconfronted with dijet and dilepton data from LHC8 and, eventually, LHC14. Weshow that M_{Z"} \approx 3 - 4 TeV saturates current limits from the CMS andATLAS collaborations. We also show that for M_{Z"} \alt 5 TeV, LHC14 will reachdiscovery sensitivity \agt 5\sigma. After that, we demostrate in all generalitythat Z" milli-weak interactions could play an important role in observationalcosmology. Finally, we examine some phenomenological aspects of thesupersymmetric extension of the D-brane construct.

LHC Phenomenology and Cosmology of String-Inspired Intersecting D-Brane Models