{"id":456038,"date":"2026-02-05T19:11:11","date_gmt":"2026-02-05T19:11:11","guid":{"rendered":"https:\/\/www.newsbeep.com\/ca\/456038\/"},"modified":"2026-02-05T19:11:11","modified_gmt":"2026-02-05T19:11:11","slug":"scientists-just-discovered-a-neutrino-with-100000-times-the-power-of-the-worlds-highest-energy-particle-accelerator","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ca\/456038\/","title":{"rendered":"Scientists Just Discovered a Neutrino With 100,000 Times the Power of the World\u2019s Highest-Energy Particle Accelerator"},"content":{"rendered":"

In February 2023, a neutrino with an energy 100,000 times greater than anything the Large Hadron Collider (LHC) could produce crashed into Earth, sending shockwaves through the physics community. The discovery was so unexpected that it has left scientists rethinking astrophysical models. A team from the University of Massachusetts Amherst now suggests that this strange, high-energy particle could have come from an ancient black hole, one that might even help solve the mystery of dark matter.<\/p>\n

Normally, they come from the Sun or cosmic events like exploding stars, but this particular neutrino was different. It carried a mind-boggling energy of 220 PeV (peta-electronvolts), a level no known source can account for. According to physicists, the energy was so extreme that it didn\u2019t fit with anything we thought we knew about space. What made it even stranger was the fact that the IceCube detector in Antarctica, which has been watching for such events for over a decade, had seen nothing remotely similar. <\/p>\n

A Neutrino with Immense Power<\/p>\n

On February 13, 2023, the ARCA detector<\/a>, part of the KM3NeT telescope in the Mediterranean Sea, picked up a neutrino unlike any seen before. With an energy of 220 PeV, this particle was far more energetic than anything produced by the Large Hadron Collider<\/a>, which is already a record-holder for particle acceleration. Neutrinos at this energy level were supposed to be theoretical, no astrophysical source was known to produce them. <\/p>\n

\"TheThe sky map shows the regions observed by various particle detectors. Credit: Physical Review Letters<\/p>\n

The discovery, published in Physical Review Letters<\/a>, was so out of place that it triggered a lot of head-scratching in the scientific community. It didn\u2019t fit the models we\u2019ve built up over decades of observation. And here\u2019s where it gets even weirder: if such high-energy neutrinos were common, then IceCube<\/a>, a much larger and older detector, should have recorded a few. But IceCube had come up empty.<\/p>\n

Could a Tiny, Ancient Black Hole Be the Answer?<\/p>\n

Rather than attributing the neutrino <\/a>to a typical cosmic event, the team at the University of Massachusetts Amherst suggested it could have come from a primordial black hole<\/a>, a tiny one from the early universe. They are theoretical objects that could have formed just after the Big Bang when the universe was still a chaotic mess. These primordial black holes could be much smaller than the ones we see today, some no larger than the size of an atomic nucleus.<\/p>\n

\"TheThe graph shows the neutrino flux ratio (\u03b7) from KM3NeT to IceCube versus dark matter coupling (eD) for different mass scales (mD). Credit: Physical Review Letters<\/p>\n

Now, this might sound a bit out there, but these primordial black holes might not be dead yet. In fact, they\u2019re thought to evaporate over time, slowly releasing radiation in a process known as Hawking radiation. <\/p>\n

\u201cThe lighter a black hole is, the hotter it should be and the more particles it will emit,\u201d stated Andrea Thamm<\/a>, a physicist at UMass Amherst and co-author of the new study. \u201cAs PBHs evaporate, they become ever lighter, and so hotter, emitting even more radiation in a runaway process until explosion.\u201d<\/p>\n

The Enigma of Dark Matter: Evidence You Can\u2019t Ignore<\/p>\n

So, how does this tie into dark matter<\/a>? The UMass team thinks these primordial black holes could help explain dark matter, the stuff that makes up most of the universe but doesn\u2019t interact with light. They suggest these black holes might have a \u201cdark charge,\u201d a force linked to dark matter, making them hard to detect.<\/p>\n

\u201cIt gave us a new window on the Universe. But we could now be on the cusp of experimentally verifying Hawking radiation, obtaining evidence for both primordial black holes and new particles beyond the Standard Model, and explaining the mystery of dark matter,\u201d Dr. Michael Baker<\/a>, also a member of the University of Massachusetts Amherst, stated.<\/p>\n

Usually, black holes emit gamma radiation when they evaporate, but these ones stay hidden in a \u201cquasi-extremal\u201d state and only explode when releasing high-energy neutrinos. This fits perfectly with what KM3NeT <\/a>observed, without the extra radiation that IceCube would catch.<\/p>\n","protected":false},"excerpt":{"rendered":"In February 2023, a neutrino with an energy 100,000 times greater than anything the Large Hadron Collider (LHC)…\n","protected":false},"author":2,"featured_media":456039,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[49,48,314,66],"class_list":{"0":"post-456038","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-physics","8":"tag-ca","9":"tag-canada","10":"tag-physics","11":"tag-science"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/456038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/comments?post=456038"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/456038\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media\/456039"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media?parent=456038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/categories?post=456038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/tags?post=456038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}