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Speaker: Francesca Chadha-Day, IPPP Durham
Title: Astrophysical windows on the string axiverse
Abstract:
String theory models generically lead to a large number of axion-like particles (ALPs), known as the string axiverse. As well as the QCD axion providing a solution to the strong CP problem, axions and ALPs can act as Dark Matter. I will discuss the possible astrophysical signatures of the string axiverse, and how the phenomenology of many ALP systems differs from that of a single ALP or axion.