Antonio Riotto

TL;DR: In this article, the authors discuss possible solutions to this problem and comment about the fact that the string-loop generated Fayet-Iliopoulos D -term may trigger the presence of global and local cosmic strings at the end of inflation.

TL;DR: In this paper, it was shown that if the neutral Majorana component of a multiplet is charged under the electroweak interactions of the Standard Model, the emission of gauge bosons from the initial state lifts the suppression and allows an s-wave annihilation.

TL;DR: In this paper, the effect of primordial non-Gaussianities in the non-linear evolution of cosmological dark matter density perturbations is investigated. But the authors focus on the nonlinear model and do not consider the case in which the strength of the non Gaussianity depends on the momenta in Fourier space through a power-law relation, the so-called running nonGaussianity.

TL;DR: Weakly-coupled TeV-scale particles may mediate the interactions between normal matter and dark matter as discussed by the authors, leading to the familiar "mono-X" search signatures, but also producing signals without missing momentum via the same vertices involved in their production.

TL;DR: In this article, the authors study the transmission of supersymmetry breaking via gravitational interactions in a five-dimensional brane world compactified on S1/Z2, where chiral matter and gauge fields are confined at the orbifold fixed points.