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Francis Halzen wins 2026 Nobel Prize in Physics for IceCube neutrino work
En breve
The Royal Swedish Academy of Sciences awarded the 2026 Nobel Prize in Physics to Francis Halzen for his decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy astrophysical neutrinos. Halzen, born in Belgium in 1944, is a professor at the University of Wisconsin-Madison and will receive the full 12 million Swedish kronor prize. The committee said his vision and leadership were key to building IceCube, which captures neutrinos from distant cosmic processes.
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The Royal Swedish Academy of Sciences announced on Oct 6 that Francis Halzen has been awarded the 2026 Nobel Prize in Physics. The academy cited his “decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos from astrophysical sources.” [ 1 , 2 , 3 ]
According to the award citation, Halzen realised that Antarctic ice could be used to track neutrinos, and his “vision and scientific leadership” were crucial to building IceCube. The observatory, described by Jiemian as the world's largest high-energy neutrino detector built under the ice at the South Pole, allows researchers to capture neutrinos from extremely high-energy astrophysical processes in the distant universe. [ 2 , 3 ]
Mark Pearce, chair of the Nobel Physics Committee, said: “Francis Halzen led an international team of researchers and engineers to build an excellent scientific instrument for us; his perseverance and scientific vision opened the way for a new astronomy.” [ 3 ]
Halzen was born in 1944 in Tienen, Belgium. He earned a PhD from KU Leuven in 1969 and is currently a professor at the University of Wisconsin-Madison, where he has taught since 1972. [ 2 , 3 ]
Jiemian reported that Halzen will receive the full prize sum of 12 million Swedish kronor (about 8.15 million RMB) alone. Before this year, the Nobel Prize in Physics had been awarded 119 times to 229 different scientists, the outlet noted. [ 2 ]
Jiemian described high-energy neutrinos as the only “cosmic messengers” that can directly penetrate the dense matter around black holes and observe the acceleration cores of cosmic rays. It said the award recognises a new field of high-energy neutrino astronomy. [ 2 ]
Por qué importa
The prize recognises the emergence of high-energy neutrino astronomy, a new way to observe the universe. According to the documents, it provides a means to study cosmic ray origins and black hole activity, though the immediate practical consequences are not specified.
Datos clave
- The Royal Swedish Academy of Sciences announced on Oct 6 that Francis Halzen won the 2026 Nobel Prize in Physics. [ 1 , 2 , 3 ]
- The prize cites his decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos from astrophysical sources. [ 2 , 3 ]
- Halzen will receive the full 12 million Swedish kronor prize money alone, Jiemian reported. [ 2 ]
- The IceCube observatory is built under the ice at the South Pole and is the world's largest high-energy neutrino detector, according to Jiemian. [ 2 ]
- Halzen was born in 1944 in Tienen, Belgium, and received his PhD from KU Leuven in 1969. [ 2 , 3 ]
- Halzen is a professor at the University of Wisconsin-Madison, where he has taught since 1972. [ 2 , 3 ]
- Before this year, the Nobel Prize in Physics had been awarded 119 times to 229 different scientists, Jiemian noted. [ 2 ]
Confirmado por varias fuentes
- The Royal Swedish Academy of Sciences announced on Oct 6 that Francis Halzen won the 2026 Nobel Prize in Physics. [ 1 , 2 , 3 ]
- The prize was awarded for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos from astrophysical sources. [ 2 , 3 ]
- The committee said Halzen realised Antarctic ice could be used to track neutrinos, and his vision and scientific leadership were crucial to building IceCube. [ 2 , 3 ]
- Halzen was born in 1944 in Tienen, Belgium. [ 2 , 3 ]
- Halzen is a professor at the University of Wisconsin-Madison. [ 2 , 3 ]
- Nobel Physics Committee chair Mark Pearce said Halzen's perseverance and scientific vision opened the way for a new astronomy. [ 3 ]
Aún sin aclarar
- Halzen will receive the full 12 million Swedish kronor prize money alone. Reported only by Jiemian; the official outlets do not mention the prize amount or that he receives it alone.
- The exact time of the announcement on Oct 6. Jiemian says the announcement was made in the morning local time in Stockholm, but no specific hour is given.
- The IceCube observatory is the world's largest high-energy neutrino detector. This description comes only from Jiemian; official outlets do not provide this detail.