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thoms2543
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how would we know that the muon is decay into electron antineutrino and muon neutrino to give the muon lifetime of about 2microsecond?
thoms2543 said:does that mean the muon decay to electron antineutrino and muon neutrino have the same lifetime with it decay into electron neutrino and muon antineutrino...since we only detect the electron for the decay...
thoms2543 said:if taken neutrino mixing into account, can it be possible to say that the muon decay lifetime 2microsecond is composed of the two type of decay...since they produce two type of neutrino...and we don't actually determine what type are them...
thoms2543 said:what i mean is, could muon life time be
[tex]\tau\left(\mu^-\rightarrow e^-+\overline{\nu}\nu\right)=\tau\left(\mu^-\rightarrow e^- +\overline{\nu_e}\nu_\mu\right)+\tau\left(\mu^-\rightarrow e^-+\overline{\nu_\mu}\nu_e\right)[/tex]
thoms2543 said:or i ask in another way.
Is that all experiment in measuring the lifetime of muon decay proceed by detecting the electron only? does anyone doing the experiment by detecting the neutrino it produced? or
how do we really know that the [tex]
\overline{\nu_e},\nu_\mu
[/tex]are produced in the muon decay?Ignoring lepton number conservation.
A muon is a subatomic particle and a member of the lepton family, which also includes electrons and neutrinos. It has a negative charge and a spin of 1/2, making it a fermion. It is similar to an electron in many ways, but has a much greater mass.
The muon lifetime is the average time it takes for a muon to decay into other particles. It is measured in units of seconds, and the current accepted value is approximately 2.2 microseconds (2.2 x 10^-6 seconds).
When a muon decays, it transforms into an electron antineutrino and a muon neutrino. This process is called weak decay and is mediated by the weak force. The muon neutrino and electron antineutrino are both neutral particles with very small masses and interact very weakly with matter.
Studying muon decay is important for understanding the fundamental properties and interactions of particles. It can also provide insight into the structure and behavior of matter at a microscopic level. Additionally, muon decay is used in various fields such as particle physics, astrophysics, and medical imaging.
The muon lifetime is measured using particle accelerators and detectors. Muons are created in these accelerators and their decay products, such as electrons and neutrinos, are detected and analyzed. By counting the number of decays over a certain period of time, the average lifetime of muons can be determined.