April 2, 2021
Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU)
On April 10, 2021, the University of Tokyo's Kavli Institute for the Physics and Mathematics of the Universe, and the Institute for Cosmic Ray Research will present a joint online public lecture "The Mysterious Universe and The Material Within".
Recommended age level is junior high school and above. Admission is free, but pre-registration is required.
For more details, and to register for the event, please see the Institute for Cosmic Ray Research website.
Summary
| Date & Time: | 10:00 - 13:00, April 10, 2021 |
| Venue: | Online |
| Host: | Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU), Institute for Cosmic Ray Research (ICRR) |
| Co-host: | Kashiwa Board of Education |
| Sponsor： | Kashiwa City |
| Support: | Ministry of Education, Culture, Sports, Science and Technology KAKENHI research project "What Is Dark matter? A comprehensive study of large scale discovery in space." |
| Recommended age: | Junior high school level and above |
| Admission: | Free |
| Seats: |
None |
| Language: |
Japanese |
| Registration: | Institute for Cosmic Ray Research public event website (registration ends April 7) |
| Notification: |
Event details will be sent by email to those who have registered for the event |
| Contact us: |
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Program
10:00〜10:50
Lecture
The Super-Kamiokande Rises Again: Looking for the Origin of Material in the Universe
ICRR Project Associate Professor Yoichi Asaoka
2020 marked the beginning of construction of the Hyper-Kamiokande, which is expected to start carrying out experiments in 2027.
The detector is the successor to the Super-Kamiokande, and will use a giant water tank 10 times the size of the current detector's tank. The detector will run tests to study neutrino characteristics and nucleon decay. By running tests for a wide range of fields, it will become an invaluable detector for researchers studying the Universe and its elementary particles. One significant study is finding the characteristics of neutrino and and anti-neutrinos. This can be easily done by creating a beam of neutrinos from JPARC, and aiming it towards the detector. Such a discovery could help find the origin of material itself, which would be very exciting.
10:50〜11:40
Lecture
Neutrino Hero?
Kavli IPMU Professor Hitoshi Murayama
"Neutrinos saved us from total annihilation." This is the most likely explanation in physics. All matter has anti-matter, being born as a pair, and then cancelling out as a pair. When the Big Bang created the Universe, there should have been equal amounts of matter and anti-matter. Then why did all of the pairs get cancelled out? Why did the matter that gave birth to us survive. Neutrinos do not have charge, and is such a shy elementary particle that it often travels straight through objects without any reaction. However, having no charge makes it possible for matter to switch between matter and anti-matter. My talk will be about how neutrinos saved us, and how researchers are trying to prove this theory. Finally, I will talk about how the Hyper-Kamiokande and KAGRA detectors will play an important role in proving this theory right.
12:00〜13:00