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7 papers · 2 filters
Preliminary Results from the 1999 Balloon Flight of the Liquid Xenon Gamma-Ray Imaging Telescope (LXeGRIT)
E. Aprile, U. G. Oberlack, A. Curioni +8
LXeGRIT is a balloon-borne Compton telescope employing a large volume liquid xenon time projection chamber (LXeTPC) as the central gamma-ray detector. It is designed to image gamma…
Brane Quintessence
Kei-ichi Maeda
We propose a new quintessence scenario in the brane cosmology, assuming that a quintessence field is confined in our 3-dimensional brane world. With a potential $V(Q)= μ^{α+4}…
Spectroscopy and Imaging Performance of the Liquid Xenon Gamma-Ray Imaging Telescope (LXeGRIT)
E. Aprile, A. Curioni, V. Egorov +8
LXeGRIT is a balloon-borne Compton telescope based on a liquid xenon time projection chamber (LXeTPC) for imaging cosmic \g-rays in the energy band of 0.2-20 MeV. The detector, wit…
Preheating - cosmic magnetic dynamo ?
Bruce A. Bassett, Giuseppe Pollifrone, Shinji Tsujikawa +1
We study the amplification of large-scale magnetic fields during preheating and inflation in several different models. Preheating can resonantly amplify seed fields on cosmological…
Origin of scaling structure and non-gaussian velocity distribution in self-gravitating ring model
Yasuhide Sota, Osamu Iguchi, Masahiro Morikawa +2
Fractal structures and non-Gaussian velocity distributions are characteristic properties commonly observed in virialized self-gravitating systems such as galaxies or interstellar m…
Possible direct method to determine the radius of a star from the spectrum of gravitational wave signals
Motoyuki Saijo, Takashi Nakamura
We computed the spectrum of gravitational waves from a dust disk star of radius R inspiraling into a Kerr black hole of mass M and specific angular momentum a. We found that when R…