How does Super-Kamiokande detect neutrinos?
As in Super-K, the water tank inside Hyper-K will be lined with sensitive light detectors called photomultipliers. These will capture faint flashes emitted when a neutrino collides with an atom in the water, causing a charged particle to shoot out at high speed.
Can a proton decay into a positron plus a neutrino?
In beta plus decay, a proton decays into a neutron, a positron, and a neutrino: p Æ n + e+ +n. Both reactions occur because in different regions of the Chart of the Nuclides, one or the other will move the product closer to the region of stability.
What could a proton decay into?
In particle physics, proton decay is a hypothetical form of particle decay in which the proton decays into lighter subatomic particles, such as a neutral pion and a positron.
When did Super-Kamiokande first see hints of neutrino antineutrino CP violations?
1998
That phenomenon was discovered in 1998 by physicists working with the 22,500-ton Super-Kamiokande particle detector in the Kamioka Mine in central Japan.
Where is the Super-Kamiokande experiment?
Kamioka Observatory
Super-Kamiokande is a 50 kiloton water Cherenkov detector located at the Kamioka Observatory of the Institute for Cosmic Ray Research, University of Tokyo. It was designed to study neutrino oscillations and carry out searches for the decay of the nucleon.
What is neutrino antineutrino?
An antineutrino is the antiparticle partner of the neutrino, meaning that the antineutrino has the same mass but opposite “charge” of the neutrino. Although neutrinos are electromagnetically neutral (they have no electric charge and no magnetic moment), they may carry another kind of charge: lepton number.
How does Super-Kamiokande work?
The Super-Kamiokande detects electrons knocked off a water molecule producing a flash of blue Cherenkov light, and these are produced both by neutrinos and antineutrinos. A rarer instance is when an antineutrino interacts with a proton in water to produce a neutron and a positron.
How does Super Kamiokande work?
What happens to a proton in Super Kamiokande?
The dominant decay mode is that proton decays into a neutral pion and electron. The neutral pion immediately decays into two gamma rays, thus we can observe three electron-like rings in Super-Kamiokande (Fig.1). If protons decay, all materials in the world will be broken in future.
How did Kamiokande solve the solar neutrino problem?
The Solar Neutrino Problem Kamiokande, together with two experiments using a Gallium target, confirmed this deficit of solar neutrinos The “solar neutrino problem” The Super-Kamiokande Detector In the mid-1990’s, Super-Kamiokande was built to study all three puzzles: Nucleon decay Solar neutrinos Atmospheric neutrinos
Where is the Super Kamiokande neutrino observatory located?
Super-Kamiokande (semi-abbreviation of full name: Super-Kamioka Neutrino Detection Experiment, also abbreviated to Super-K or SK; Japanese: スーパーカミオカンデ) is a neutrino observatory located under Mount Ikeno near the city of Hida, Gifu Prefecture, Japan.
What kind of detector is the Super Kamiokande?
The Super-Kamiokande (SK) is a Cherenkov detector used to study neutrinos from different sources including the Sun, supernovae, the atmosphere, and accelerators. It is also used to search for proton decay.