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841“…We perform a fully non-linear calculation of the production of supermassive Grand Unified Theory (GUT) $X$ bosons during preheating, taking into account the fact that they are unstable with a decay width $\Gamma_X$. …”
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842por Trümper, Joachim E“…We will first review the phenomenology and properties of neutron stars and black holes (stellar and supermassive) as derived from multiwavelength observatories. …”
Publicado 2002
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843por Prof. Günther Hasinger (Max-Planck-Institut für extraterrestrische Physik, Garching)“…Stellar remnants of the first generation of stars have very likely been the seeds of supermassive black holes, which we find dormant in the centers of most nearby galaxies - including our own Milky Way. …”
Publicado 2004
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844“…Andrew King reviews the physics of accretion on to supermassive black holes and their feedback on host galaxies. …”
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845por Scaringi, Simone, Maccarone, Thomas J., Körding, Elmar, Knigge, Christian, Vaughan, Simon, Marsh, Thomas R., Aranzana, Ester, Dhillon, Vikram S., Barros, Susana C. C.“…The central engines of disc-accreting stellar-mass black holes appear to be scaled down versions of the supermassive black holes that power active galactic nuclei. …”
Publicado 2015
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846por Du, Peizhi, Egaña-Ugrinovic, Daniel, Essig, Rouven, Fragione, Giacomo, Perna, Rosalba“…Stars that pass close to the supermassive black holes located in the center of galaxies can be disrupted by tidal forces, leading to flares that are observed as bright transient events in sky surveys. …”
Publicado 2022
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847por Garneau, Nicole L., Nuessle, Tiffany M., Sloan, Meghan M., Santorico, Stephanie A., Coughlin, Bridget C., Hayes, John E.“…Understanding the influence of taste perception on food choice has captured the interest of academics, industry, and the general public, the latter as evidenced by the extent of popular media coverage and use of the term supertaster. Supertasters are highly sensitive to the bitter tastant propylthiouracil (PROP) and its chemical relative phenylthiocarbamide. …”
Publicado 2014
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848“…For binaries composed of a star orbiting a supermassive black hole, these resonances lead to a smoking-gun effect: a periastron distance which stalls, even in the presence of gravitational-wave dissipation. …”
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849por Ghez, Andrea“…After more than a decade of diffraction-limited imaging on large ground-based telescopes, the case for a supermassive black hole at the Galactic center has gone from a possibility to a certainty, thanks to measurements of individual stellar orbits. …”
Publicado 2020
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850por Tucker, Wallace H“…Chandra has observed the region around the supermassive black hole in the center of our Milky Way and traced the separation of dark matter from normal matter in the collision of galaxies, contributing to both dark matter and dark energy studies. …”
Publicado 2017
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851por Taha, Mohamed A., Hall, Christian A., Shortess, Colin J., Rathbone, Richard F., Barham, Henry P.“…Seven hundred forty-seven COVID-19 patients were included, with 184 (24.7%) supertasters, 371 (49.6%) tasters, and192 (25.7%) nontasters. …”
Publicado 2021
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852por Tamvakis, K.“…We construct two such models, an SU(5) and an SU(5)\times U(1)_{X} model, in which R-parity breaking is induced through interactions with extra supermassive fields. The presence of only the Baryon Number violating operators {d^c}{d^c}{u^c} requires an asymmetry between quarks and leptons, which is achieved either by virtue of the Higgs representations used or by modifications in the matter multiplets. …”
Publicado 1996
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853por Hajdukovic, Dragan Slavkov“…We point out two possible signatures of the assumed existence of antigravity. First, the supermassive black hole in the center of our Galaxy (Southern Sky)and in the center of the Andromeda Galaxy (Northern Sky)may produce a flux of antineutrinos measurable with the new generation of the neutrino telescopes; like the IceCube Neutrino Detector under construction at the South Pole, and the future one cubic kilometer telescope in Mediterranean Sea. …”
Publicado 2007
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854por Maselli, Andrea, Pani, Paolo, Cardoso, Vitor, Abdelsalhin, Tiziano, Gualtieri, Leonardo, Ferrari, Valeria“…Supermassive binaries detectable by the planned space gravitational-wave interferometer LISA might allow us to distinguish black holes from ultracompact horizonless objects, even for certain models motivated by quantum-gravity considerations. …”
Publicado 2018
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855“…The increased resonances are instrumental in the display of an alternate sub and superclassical character of the tunneling time along the momentum axis with increasing energies of the incident slow atoms. …”
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856por Goodstein, David“…It starts with "Galaxy Formation from Start to Finish" and ends with "The First Supermassive Black Holes in the Universe," exploring in between the grand themes of galaxies, the early universe, expansion of the universe, dark matter and dark energy. …”
Publicado 2012
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857“…The possible NANOGrav signal would correspond to a string tension Gμ∈(4×10-11,10-10) at the 68% confidence level, with a different frequency dependence from supermassive black hole mergers. The SGWB produced by cosmic strings with such values of Gμ would be beyond the reach of LIGO, but could be measured by other planned and proposed detectors such as SKA, LISA, TianQin, AION-1 km, AEDGE, Einstein Telescope, and Cosmic Explorer.…”
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858“…We report on progress in simulating the effects of WIMP capture and annihilation upon stellar structure and evolution near supermassive black holes, using the new DarkStars code. …”
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859por Amaro-Seoane, Pau“…While a consensus is emerging about the origin and growth of supermassive black holes (with masses larger than a billion solar masses), MBHs with smaller masses, such as the one in our galactic centre, remain understudied and enigmatic. …”
Publicado 2018
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860por Arcodia, R., Merloni, A., Nandra, K., Buchner, J., Salvato, M., Pasham, D., Remillard, R., Comparat, J., Lamer, G., Ponti, G., Malyali, A., Wolf, J., Arzoumanian, Z., Bogensberger, D., Buckley, D. A. H., Gendreau, K., Gromadzki, M., Kara, E., Krumpe, M., Markwardt, C., Ramos-Ceja, M. E., Rau, A., Schramm, M., Schwope, A.“…Quasi-periodic eruptions (QPEs) are very-high-amplitude bursts of X-ray radiation recurring every few hours and originating near the central supermassive black holes of galactic nuclei(1,2). It is currently unknown what triggers these events, how long they last and how they are connected to the physical properties of the inner accretion flows. …”
Publicado 2021
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