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The "Science-Fiction Star" -Is There a Dark-Universe Origin for Gravitational Waves? dailygalaxy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailygalaxy.com Daily Mail and Mail on Sunday newspapers.
Scientists working at the frontier of particle physics are proposing the existence of a theoretical exotic, ultra-light “boson star” with a mass billions of times smaller than that of the electron and thinking about seeking a ‘darker’ origin of the ripples in spacetime, at the same time proving the existence of a dark-matter particle. Theories about the origin of dark matter in the universe –one of the biggest questions in science–vary from suggesting that it may be older than the Big Bang to the existence of particles the size of galaxies. Beyond the Standard Model The question of what particles make up dark matter –“dark” in the sense that it doesn’t emit radiation or hardly physically interact with anything except through its gravitational attraction –is a crucial one for modern particle physics. Observations indicate that dark matter exists, but apparently something other than the particles in the Standard Model constitutes it. ....
Nicolás Sanchis-Gual and Rocío García-Souto The hypothetical stars are among the simplest exotic compact objects proposed and constitute well founded dark matter candidates. Within this interpretation, the team is able to estimate the mass of a new particle constituent of these stars, an ultra-light boson with a mass billions of times smaller than that of the electron. Their analysis has been published in the journal Physical Review Letters on 24 February 2021. The team is co-led by Dr. Juan Calderón Bustillo, a former professor from the Department of Physics at CUHK and now “La Caixa Junior Leader – Marie Curie Fellow”, at the Galician Institute of High Energy Physics, and Dr. Nicolás Sanchis-Gual, a postdoctoral researcher at the University of Aveiro and at the Instituto Superior Técnico (University of Lisbon). Other collaborators came from the University of Valencia, the University of Aveiro and Monash University. Samson Hin Wai Leong, a second-y ....