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- W4387294546 abstract "The multipole moments of black holes in general relativity obey certain consistency relations known as the no-hair theorems. The details of this multipolar structure are imprinted into the gravitational waves emitted by binary black holes, particularly if the binary is precessing. If black holes do not obey the vacuum field equations of general relativity, then the no-hair theorems may be broken, and the observed gravitational waves will be modified, thus providing an important test of the no-hair theorems. Recently, analytic solutions to the precession dynamics and inspiral waveforms were computed within the context of binaries possessing non-axisymmetric mass quadrupole moments, which are parametrized by a modulus $q_{m}$ and phase $a_{m}$ with $m = 1,2$ the azimuthal spherical harmonic number. Here, we use a Fisher analysis to study plausible constraints one may obtain on generic, non-axisymmetry quadrupole configurations using current and future ground-based detectors. For non-precessing binaries, we generically find that no meaningful constraints can be placed on the non-axisymmetry parameters $(q_{m}, a_{m})$ due to the presence of strong degeneracies with other waveform parameters. For precessing configurations, the exact value of the uncertainty is strongly dependent on the sky location, system orientation relative to the line of sight, and initial inclination angle of the orbital angular momentum. After averaging over these parameters, we find that with GWTC-3-like events, one should be able to plausibly constraint non-axisymmetric mass quadrupole deviations to $Delta q_{m} sim 10^{-2}$ for LIGO at design sensitivity, and $Delta q_{m} sim 10^{-4}$ for the same sources with Einstein Telescope and Cosmic Explorer." @default.
- W4387294546 created "2023-10-03" @default.
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- W4387294546 date "2023-09-29" @default.
- W4387294546 modified "2023-10-04" @default.
- W4387294546 title "Relevance of Precession for Tests of the Black Hole No Hair Theorems" @default.
- W4387294546 doi "https://doi.org/10.48550/arxiv.2309.17404" @default.
- W4387294546 hasPublicationYear "2023" @default.
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