LIGO Document T1700005-v1
- A stochastic gravitational wave background is expected to arise due to the overlap of many individually indistinguishable sources that are both astrophysical and cosmological in nature. General Relativity predicts two tensorial gravitational wave polarization modes, but general metric theories of gravity allow four additional scalar and vector modes. Detection of a stochastic background dominated by these non-tensorial polarizations would indicate that the theory of gravity should be extended beyond General Relativity. While the separation of the three types of polarizations is not possible given a two detector system like LIGO, we compute the signal to noise ratio assuming a stochastic background dominated by each mode.
- Public version of final report and presentation. For internal version (accessible only by LVC collaborators), see LIGO-T1600155.
- held from 17 Aug 2016 to 19 Aug 2016 in 351 W. Bridge
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