4 ms·
The latter. The tau's lifetime is 10^-13 s. The muon lifetime is 10^-6 s, and the experiment is already hard.
by ISL 10y ago
The latter. The tau's lifetime is 10^-13 s. The muon lifetime is 10^-6 s, and the experiment is already hard.
- asmithmd1 10y agoThey are doing an experiment that compares a material that lasts a millionth of a second to a material that lasts indefinitely and get a 5% difference. I am going to have to go with experimental error as more likely than new fundamental force.