LSC-Virgo Burst Analysis Working Group

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S4 Cosmic String Search Page

Summary of the search

The goal of this search is to perform a matched filter search for bursts from cosmic string cusps in S4 data. If no bursts are found to set upper limits on the burst rate and translate these limits, via a model, into constraints on fundamental parameters of cosmic strings such as tension, reconnection probablity, etc.

Here's an example of the output of the search. The plot below shows the areas of exclusion (to the right of red), and areas of sensitivity (to the right of blue and black) of LIGO searches. The y-axis labels loop sizes and the x-axis is the string tension (10^-6 corresponds to GUT strings) a reconnection probability p=10^-3.

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