364 research outputs found

    My Own Kathlyne: My Sweet Romantic Queen

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    https://digitalcommons.library.umaine.edu/mmb-vp/2219/thumbnail.jp

    Is It Within the Law

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    https://digitalcommons.library.umaine.edu/mmb-vp/1899/thumbnail.jp

    I Hear America Calling

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    https://digitalcommons.library.umaine.edu/mmb-vp/5899/thumbnail.jp

    Montana: Mount Anna

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    https://digitalcommons.library.umaine.edu/mmb-vp/4458/thumbnail.jp

    Games Of Childhood Days Or Ring Around A Rosie

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    https://digitalcommons.library.umaine.edu/mmb-vp/5155/thumbnail.jp

    London Bridge Is Falling Down On The Isle Of Childhood Dreams

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    Photograph of Grace Ingram and Edith Carpenter \u27The Harmony Girls\u27 and piano; Frame of flowers, stems, and leaves surrounding photographhttps://scholarsjunction.msstate.edu/cht-sheet-music/7482/thumbnail.jp

    Because You Were An Old Sweetheart Of Mine

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    Photo of Jos. B. Maxwellhttps://scholarsjunction.msstate.edu/cht-sheet-music/1714/thumbnail.jp

    First LIGO search for gravitational wave bursts from cosmic (super)strings

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    We report on a matched-filter search for gravitational wave bursts from cosmic string cusps using LIGO data from the fourth science run (S4) which took place in February and March 2005. No gravitational waves were detected in 14.9 days of data from times when all three LIGO detectors were operating. We interpret the result in terms of a frequentist upper limit on the rate of gravitational wave bursts and use the limits on the rate to constrain the parameter space (string tension, reconnection probability, and loop sizes) of cosmic string models.Comment: 11 pages, 3 figures. Replaced with version submitted to PR

    All-sky LIGO Search for Periodic Gravitational Waves in the Early S5 Data

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    We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50--1100 Hz and with the frequency's time derivative in the range -5.0E-9 Hz/s to zero. Data from the first eight months of the fifth LIGO science run (S5) have been used in this search, which is based on a semi-coherent method (PowerFlux) of summing strain power. Observing no evidence of periodic gravitational radiation, we report 95% confidence-level upper limits on radiation emitted by any unknown isolated rotating neutron stars within the search range. Strain limits below 1.E-24 are obtained over a 200-Hz band, and the sensitivity improvement over previous searches increases the spatial volume sampled by an average factor of about 100 over the entire search band. For a neutron star with nominal equatorial ellipticity of 1.0E-6, the search is sensitive to distances as great as 500 pc--a range that could encompass many undiscovered neutron stars, albeit only a tiny fraction of which would likely be rotating fast enough to be accessible to LIGO. This ellipticity is at the upper range thought to be sustainable by conventional neutron stars and well below the maximum sustainable by a strange quark star.Comment: 6 pages, 1 figur

    Search for Gravitational Wave Bursts from Soft Gamma Repeaters

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    We present the results of a LIGO search for short-duration gravitational waves (GWs) associated with Soft Gamma Repeater (SGR) bursts. This is the first search sensitive to neutron star f-modes, usually considered the most efficient GW emitting modes. We find no evidence of GWs associated with any SGR burst in a sample consisting of the 27 Dec. 2004 giant flare from SGR 1806-20 and 190 lesser events from SGR 1806-20 and SGR 1900+14 which occurred during the first year of LIGO's fifth science run. GW strain upper limits and model-dependent GW emission energy upper limits are estimated for individual bursts using a variety of simulated waveforms. The unprecedented sensitivity of the detectors allows us to set the most stringent limits on transient GW amplitudes published to date. We find upper limit estimates on the model-dependent isotropic GW emission energies (at a nominal distance of 10 kpc) between 3x10^45 and 9x10^52 erg depending on waveform type, detector antenna factors and noise characteristics at the time of the burst. These upper limits are within the theoretically predicted range of some SGR models.Comment: 6 pages, 1 Postscript figur
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