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Nobel physics prize goes to Francis Halzen for Antarctic neutrino observatory
Версия 3: Later Korean reports added the scale of the IceCube detector, its sensor array and depth, the 1988 proposal and 2011 first detection, and a Seoul National University physicist's assessment; a Chosun Ilbo description of the detector and a Seoul Shinmun report joined the coverage, while the award itself and the details already reported were unchanged.
Коротко
The Royal Swedish Academy of Sciences awarded the 2026 Nobel Prize in Physics to Francis Halzen, a Belgian-born professor at the University of Wisconsin–Madison, for building the IceCube Neutrino Observatory in Antarctica and discovering high-energy neutrinos of astrophysical origin. He was the sole laureate, which Korean outlets called the first single winner of the physics prize since 1992, with prize money of 12 million Swedish kronor, about 1.6 billion won. Korean outlets gave his age as either 82 or 83.
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The Royal Swedish Academy of Sciences awarded the 2026 Nobel Prize in Physics to Francis Halzen for his decisive contribution to building the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin, according to the academy's announcement as reported by Korean outlets on 6 October. Halzen was the sole laureate. Electronic Times, Asia Economy, Maeil Business, Dong-A Ilbo, Kyunghyang Shinmun and Seoul Shinmun said he was the first single winner of the physics prize since Georges Charpak in 1992, a gap of 34 years. Newsis and Asia Economy put the prize at 12 million Swedish kronor, about 1.6 billion won. [ 4 , 5 , 6 , 7 , 8 , 10 , 11 , 12 , 13 , 14 ]
Halzen is Belgian-born and a chair professor at the University of Wisconsin–Madison, according to Hankook Ilbo, Newsis, Electronic Times, Asia Economy and Maeil Business. Electronic Times said he was born in Belgium in 1944, took master's and doctoral degrees at the Catholic University of Leuven and has taught at Wisconsin–Madison since 1972, and Asia Economy said he heads research at the IceCube observatory. Outlets differed on his age: one Newsis report said 83, while a later Newsis report citing AP and Asia Economy, Dong-A Ilbo and Kyunghyang Shinmun said 82. [ 4 , 6 , 7 , 8 , 10 , 11 , 12 ]
IceCube sits at the Amundsen-Scott South Pole Station and has operated since 2010, Newsis and Asia Economy reported, while Maeil Business said construction began in 2005. Chosun Ilbo described it as one cubic kilometre of ice weighing about 1 billion tonnes, with 5,160 optical sensors hanging from 86 cables; Kyunghyang Shinmun described more than 5,000 sensors buried in ice more than 2,000 metres deep and weighing 1 billion tonnes. Maeil Business said Halzen first proposed using Antarctic ice as a detector in 1988 and succeeded in detecting a high-energy neutrino in 2011, and Kyunghyang Shinmun said the international team ran IceCube from 2011. [ 5 , 6 , 8 , 10 , 12 , 14 ]
Neutrinos have no charge and extremely small mass and pass through matter almost without reacting, which is why they are called “ghost particles,” according to Newsis, Electronic Times and Dong-A Ilbo. Electronic Times said that when a neutrino rarely strikes an atom in the ice it produces a faint blue light that buried sensors capture, revealing the particle's direction and energy. Maeil Business said there are 336 neutrinos per cubic centimetre, that earlier observations used large water tanks and that Nobel physics prizes for neutrino observation were awarded in 1995, 2002 and 2015. [ 6 , 7 , 10 , 11 ]
Mark Pearce, chair of the Nobel physics committee, said Halzen “led the international scientists and engineers who have given us a fantastic tool” and built IceCube in Antarctica, adding that “his persistence and scientific vision paved the way for a new kind of astronomy,” according to Newsis citing AP and Asia Economy. Yang Un-ki, a professor of physics and astronomy at Seoul National University, told Maeil Business and Kyunghyang Shinmun that academics initially dismissed Halzen's Antarctic plan as far-fetched and that he raised the level of astrophysics. [ 6 , 8 , 10 , 12 ]
The chemistry prize is to be announced on 7 October, literature on 8 October, peace on 9 October and economics on 12 October, according to Hankook Ilbo, Electronic Times and Asia Economy. Electronic Times said this year's total prize money increased by 1 million kronor from last year. [ 4 , 7 , 8 ]
Почему это важно
The Nobel committee said Halzen's work opened a way to observe high-energy phenomena in space that light-based telescopes could not reach, and quoted him as having paved the way for a new kind of astronomy. For Korean readers the announcement is the first of a week of Nobel decisions, with chemistry, literature, peace and economics still to come through 12 October.
Ключевые факты
- The Royal Swedish Academy of Sciences awarded the 2026 Nobel Prize in Physics to Francis Halzen. [ 4 , 5 , 6 , 7 , 8 , 10 , 11 , 12 , 14 ]
- The citation covers his decisive contribution to building the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin. [ 4 , 5 , 6 , 7 , 8 , 10 , 11 , 12 , 14 ]
- Halzen was the sole laureate; Korean outlets said the last single physics winner was Georges Charpak in 1992, a gap of 34 years. [ 7 , 8 , 10 , 11 , 12 , 13 ]
- Halzen is Belgian-born and a chair professor at the University of Wisconsin–Madison. [ 6 , 7 , 8 , 10 , 11 , 12 ]
- IceCube is at the Amundsen-Scott South Pole Station and has operated since 2010. [ 5 , 6 , 8 ]
- The physics prize is 12 million Swedish kronor, about 1.6 billion won. [ 5 , 7 , 8 ]
- The chemistry, literature, peace and economics prizes are to be announced on 7, 8, 9 and 12 October respectively. [ 4 , 7 , 8 ]
Подтверждено несколькими источниками
- The Royal Swedish Academy of Sciences named Francis Halzen the 2026 Nobel laureate in physics for his contribution to building the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin. [ 4 , 5 , 6 , 7 , 8 , 10 , 11 , 12 , 14 ]
- Halzen was the sole winner of the physics prize; Korean outlets said the last single physics laureate was Georges Charpak in 1992, 34 years earlier. [ 7 , 8 , 10 , 11 , 12 , 13 ]
- Halzen is a chair professor at the University of Wisconsin–Madison. [ 4 , 6 , 7 , 8 , 10 , 12 ]
- IceCube is at the Amundsen-Scott South Pole Station and has operated since 2010. [ 5 , 6 , 8 ]
- The physics prize is 12 million Swedish kronor, about 1.6 billion won. [ 5 , 7 , 8 ]
- The chemistry, literature, peace and economics prizes are to be announced on 7, 8, 9 and 12 October respectively. [ 4 , 7 , 8 ]
- Halzen is Belgian-born. [ 6 , 7 , 8 , 11 , 12 ]
Пока неясно
- Halzen's age An early Newsis report said 83, while a later Newsis report citing AP, Asia Economy, Dong-A Ilbo and Kyunghyang Shinmun said 82.
- When IceCube began operating Newsis and Asia Economy said it has operated since 2010, while Kyunghyang Shinmun said the international team ran it from 2011 and Maeil Business said construction started in 2005.
- How many sensors IceCube uses Chosun Ilbo said 5,160 optical sensors on 86 cables; Kyunghyang Shinmun said more than 5,000 sensors in ice more than 2,000 metres deep.
- When the academy made the announcement in Sweden Korean outlets published from 10:04 on 6 October to 00:52 on 7 October local time, but no document gives the Swedish local time of the announcement.
- Whether the assessments of the science and of Halzen's role beyond the citation are independently sourced The 1988 proposal, the 2005 construction start, the 2011 first detection and the Seoul National University professor's comments appear in one or two documents each.
- What Korea Economic Daily reported about the award Its headline concerns the physics prize, but the readable article text concerns other Nobel-related stories.
Что пишут местные СМИ
Хронология, местное время
- Kukmin Ilbo issues a flash report that the Nobel physics prize went to Francis Halzen for high-energy neutrino observation. [ 1 ]
- Kukmin Ilbo publishes a second item on the award. [ 2 ]
- Newsis issues a flash report, saying a follow-up article will follow. [ 3 ]
- Hankook Ilbo reports the citation wording and the schedule for the remaining Nobel announcements. [ 4 ]
- Newsis reports Halzen was the sole winner, describes him as Belgian, gives his age as 83 and puts the prize at 1.6 billion won. [ 5 ]
- Newsis, citing AP from Stockholm, reports committee member Mark Pearce's remarks, gives Halzen's age as 82 and says he began neutrino capture research at the South Pole in the 1980s. [ 6 ]
- Electronic Times explains IceCube's detection method, Halzen's career and the 34-year gap since the last single physics laureate. [ 7 ]
- Asia Economy reports the award, the 1992 comparison, IceCube's 2010 start and the 12 million kronor prize sum. [ 8 ]
- Korea Economic Daily publishes the award headline; its readable article text covers other Nobel-related stories. [ 9 ]
- Maeil Business reports the 1988 proposal to use Antarctic ice, the 2005 construction start, the 2011 first detection, earlier neutrino Nobel prizes and a Seoul National University physicist's comments. [ 10 ]
- Dong-A Ilbo reports the award and the 34-year gap since the last single physics laureate. [ 11 ]
- Kyunghyang Shinmun reports the size of IceCube and its sensor array, the 1988 proposal and reactions from the Nobel committee and a Seoul National University physicist. [ 12 ]
- Seoul Shinmun reports the prize and the 34-year gap since the last single laureate. [ 13 ]
- Chosun Ilbo describes the detector as one cubic kilometre of ice with 5,160 optical sensors on 86 cables. [ 14 ]