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Detectability of periodic gravitational waves by initial interferometers

Benjamin J Owen

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I review three recent theoretical developments in neutron star physics predicting that rotating neutron stars could be very strong emitters of periodic gravitational waves. These imply a small but nonzero chance that ground-based interferometers could detect their first periodic signal in the next few years rather than after advanced upgrades. They also imply that upper limits will become astrophysically interesting before advanced upgrades. I discuss the implications for near-future searches and for the astrophysical payoffs of proposed small upgrades to initial interferometers.


PACS

04.80.Nn Gravitational wave detectors and experiments

97.60.Jd Neutron stars

07.60.Ly Interferometers

95.55.Ym Gravitational radiation detectors; mass spectrometers; and other instrumentation and techniques

MSC

85A99 Miscellaneous topics

83C35 Gravitational waves

Subjects

Instrumentation and measurement

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 8 (21 April 2006)

Received 1 September 2005

Published 22 March 2006



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