Structure Formation during an early period of matter domination
NAGIOS: RODERIC FUNCIONANDO

Structure Formation during an early period of matter domination

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Structure Formation during an early period of matter domination

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Barenboim Szuchman, Gabriela Alejandra Perfil; Rasero Daparte, Javier
This document is a artículoDate2014

Este documento está disponible también en : http://hdl.handle.net/10550/38927
In this work we show that modifying the thermal history of the Universe by including an early period of matter domination can lead to the formation of astronomical objects. However, the survival of these objects can only be possible if the dominating matter decays to a daughter particle which is not only almost degenerate with the parent particle but also has an open coannihilation channel. This requirement translates in an upper bound for the coupling of such a channel and makes the early structure formation viable.

    Barenboim Szuchman, Gabriela Alejandra Rasero Daparte, Javier 2014 Structure Formation during an early period of matter domination Journal of High Energy Physics 04 04 138
http://dx.doi.org/10.1007/JHEP04(2014)138

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