On the helicity of the electrons

In summary, electron helicity is a measure of the spin orientation of an electron, describing whether it is spinning clockwise or counterclockwise. It is directly related to the electron's magnetic moment, which influences its interactions with other particles. Electron helicity is important in particle physics and can be measured through experiments and calculations. While the spin of an electron can be flipped, its helicity cannot be changed.
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luisgml_2000
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Does someone know what the measured probability of finding a right handed electron in the beta decay is?
 
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P=1-v/c=1-pc/E
 
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I can provide some information on the helicity of electrons and the measured probability of finding a right-handed electron in beta decay. Helicity is a term used in particle physics to describe the spin orientation of a particle relative to its direction of motion. In the case of electrons, helicity refers to whether the electron's spin is aligned or anti-aligned with its direction of motion.

In beta decay, a neutron decays into a proton, an electron, and an antineutrino. The electron emitted in this process is left-handed, meaning its spin is anti-aligned with its direction of motion. This is due to the conservation of angular momentum in the decay process.

The measured probability of finding a right-handed electron in beta decay is extremely low, as predicted by the Standard Model of particle physics. The Standard Model predicts that the probability of finding a right-handed electron in beta decay is less than 0.00001%. This is due to the fact that the weak interaction, which governs beta decay, only interacts with left-handed particles.

In summary, the helicity of electrons in beta decay is well understood and the measured probability of finding a right-handed electron is extremely low, in accordance with the predictions of the Standard Model. Further research and experiments may provide more insight into the helicity of electrons and other particles in different decay processes.
 

1. What is electron helicity?

Electron helicity is a measure of the spin orientation of an electron. It describes whether the electron is spinning in a clockwise or counterclockwise direction around its axis.

2. How is electron helicity related to the magnetic moment of an electron?

The electron's helicity is directly related to its magnetic moment, which is a measure of its tendency to align with an external magnetic field. The direction of the electron's spin determines the direction of its magnetic moment, and therefore its helicity.

3. Why is electron helicity important in particle physics?

Electron helicity is important in particle physics because it is one of the fundamental properties of electrons that can affect their interactions with other particles. It is also used to describe the behavior of other subatomic particles, such as neutrinos.

4. How is electron helicity measured?

Electron helicity can be measured through various experiments and techniques, such as using a Stern-Gerlach apparatus or studying the polarization of light emitted by excited atoms. It can also be calculated using quantum mechanical equations.

5. Can electron helicity be changed?

No, electron helicity is a fundamental property of electrons and cannot be changed. However, the spin of an electron can be flipped, meaning it can change from one helicity state to the other.

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