What Have We Learned From Neutron Stars Interacting With Their Environment? Neutron Stars, Pulsars, and Magnetars What Is a Born-Again Star? What Do We Learn About Supermassive Black Hole Sagittarius A* From Its Surrounding Stars?
A pancake stack of radioactivity-sensitive films carried through the sky by a balloon was able to take the world’s most accurate picture of aneutron star’s gamma-ray beam. This feat was accomplished by researchers fromKobe University, who merged the earliest techniques of ra...
The ratios are taken from [38] (which provides and update of [26]) and are based on the Particle Data Group's 2011 value for the neutron lifetime, τn = 881.5 s [81].4 We observe that most of the ratios are smaller than one. In order to asses the significance of this deviation...
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We introduce a classification scheme of the postmerger dynamics and gravitational wave emission in binary neutron star mergers, after identifying a new mechanism by which a secondary peak in the gravitational wave spectrum is produced. It is caused by a spiral deformation, the pattern of which ...
We propose a simplified picture of low-mass X-ray binaries containing a neutron star (NS-LMXBs) based on data obtained from Aql X-1 and 4U 1608$-$ 52, which often produce outbursts. In this picture we propose at least three states and three state transitions: i.e., the states: (1...
We explore the multimessenger signatures of encounters between two neutron stars (ns(2)) and between a neutron star and a stellar mass black hole (nsbh). We focus on the differences between gravitational-wave-driven binary mergers and dynamical collisions that occur, for example, in globular clu...
neutronor X-ray scattering techniques. Nevertheless, there has been considerable progress recently with computational methods for semiconductors with simple structures. To match these advances, it is necessary to validate theoretical predictions by experimentally measuring the lifetime of individual phonon ...
In the distant, young universe, quasars shine with a brilliance unmatched by anything in the local cosmos. Although they appear starlike in optical telescopes, quasars are actually the bright centers of galaxies located billions of light-years from Earth
The attempt to experimentally observe the magnetic domain structure inside a magnet body was first demonstrated by magnetic tomography measurements of a soft magnetic Fe-Si rod (8 mm in diameter) with a neutron beam23. Neutrons are suitable for magnetic tomography measurements of bulk magnets beca...