Physics, Astronomy & Cosmology / Re: Do half lives of radioactive materials affected by gravity potential?« on: 10/10/2019 13:58:46 »
How do we reconcile these two different results?What two results? The H-K thing wasn't measuring radioactive decay. It used atomic clocks. It also did not involve anything in orbit.
The orbital test just involves speeds so low that using a radioactive sample as a clock lacks the precision needed to distinguish the moving sample from the base rate.
The're not all formed exactly at that altitude. Some are higher, some lower, but they don't form at any significant rate at lower altitudes, say 5km. So they compare the flux on say a 2 km mountain and that at sea level. Without dilation, the sea level flux should be about 5% of that measured on the mountain. But the rate measured at near sea level was 73% of that of the higher altitude rate, yielding a relativistic dilation factor of around 8.8The experiment has already been done with the muons, which have a half-life of about 1.56 usec, enough time for light to travel about half a km. Yet due to time dilation, most of them reach Earth's surface about 15 km away.How to make sure that the muon detected at sea level is indeed the one formed at 15 km altitude, not above or below it?
The figures above were taken from the Frisch–Smith experiment, 1963, performed on Mt Washington and Cambridge, MA.
The following users thanked this post: hamdani yusuf