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Ideas, Inventions And Innovations : Searching Betelgeuse for Axions and Dark Matter


Ideas, Inventions And Innovations
Searching Betelgeuse for Axions and Dark Matter
An MIT-led search for axions from nearby star Betelgeuse (pictured here) came up empty, significantly narrowing the search for hypothetical dark matter particle.
Credits: Image: Collage by MIT News. Betelgeuse image courtesy of ALMA (ESO/NAOJ/NRAO)/E. O’Gorman/P. Kervella
n impression on ordinary matter. As such, the ghost-like particle is a leading contender as a component of dark matter a hypothetical, invisible type of matter that is thought to make up 85 percent of the mass in the universe.
Axions have so far evaded detection. Physicists predict that if they do exist, they must be produced within extreme environments, such as the cores of stars at the precipice of a supernova. When these stars spew axions out into the universe, the particles, on encountering any surrounding magnetic fields, should briefly morph into photons and potentially reveal themselves. ....

Maurizio Giannotti , Jennifer Chu , Kerstinm Perez , Kerstin Perez , Brandon Roach , Mengjiao Xiao , Alessandro Mirizzi , Melania Nynka , Oscar Straniero , Melaina Nynka , Brian Grefenstette , Brianw Grefenstette , Brandonm Roach , Massachusetts Institute Of Technology , Barry University , National Institute For Nuclear Physics , Physical Review , Abruzzo Astronomical Observatory , National Institute , Nuclear Physics , Axionlike Particles , Hardx Ray Observation , Physical Review Letters , ம Ri ரிசியோ கீயண்னொத்தி , ஜெனிபர் சூ , பிராண்டன் ரோச் ,

Search for axions from nearby star Betelgeuse comes up empty


Search for axions from nearby star Betelgeuse comes up empty
January 21, 2021MIT
Results significantly narrow the range of possible places to find the hypothetical dark matter particles.
The elusive axion particle is many times lighter than an electron, with properties that barely make an impression on ordinary matter. As such, the ghost-like particle is a leading contender as a component of dark matter a hypothetical, invisible type of matter that is thought to make up 85 percent of the mass in the universe.
Axions have so far evaded detection. Physicists predict that if they do exist, they must be produced within extreme environments, such as the cores of stars at the precipice of a supernova. When these stars spew axions out into the universe, the particles, on encountering any surrounding magnetic fields, should briefly morph into photons and potentially reveal themselves. ....

Maurizio Giannotti , Kerstin Perez , Brandon Roach , Alessandro Mirizzi , Mengjiao Xiao , Oscar Straniero , Melaina Nynka , Brian Grefennstette , Barry University , National Institute For Nuclear Physics , Physical Review , Abruzzo Astronomical Observatory , National Institute , Nuclear Physics , ம Ri ரிசியோ கீயண்னொத்தி , பிராண்டன் ரோச் , பாரி பல்கலைக்கழகம் , தேசிய நிறுவனம் க்கு அணு இயற்பியல் , உடல் விமர்சனம் , தேசிய நிறுவனம் , அணு இயற்பியல் ,