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Scientists used a giant balloon to carry NASA’s Antarctic Impulsive Transient Antenna (ANITA) high above the frozen wastes of Antarctica...
... Low-energy neutrinos with a mass close to zero can pass completely through our planet, but higher-energy objects are stopped by the Earth's mass.
That means the high-energy particles can only be detected coming “down” from space, but ANITA apparently detected heavier particles which seemed to come “up” out of Earth.
That could mean that these particles are actually traveling backwards in time which is seen as possible evidence of a parallel universe.
originally posted by: Phage
a reply to: spite
Or a false dichotomy. Maybe it's residue left by a TARDIS.
originally posted by: chr0naut
a reply to: spite
Captain, we are measuring a high retardon particle flux rift, dead ahead. What should we do?
Fire all phasers into the rift then full ahead.
(Two seconds pass and then the ship is destroyed by phaser fire from the rear.)
This sounds like the same topic that was discussed in one of my threads in October 2018 (it was in the news then too) where a PhD neutrino physicist (ErosA433) said one of his colleagues mentioned CCQE (Charged current quasi elastic scattering) was the answer:
originally posted by: spite
What do you think? I'm no quantum surgeon, so I feel I can hardly say anything.
I can actually confirm that it is cool, but mundane. I was talking with a colleague over lunch and he mentioned a seminar (which I will attend in about an hour) discussing the MiniBooNe experiments final results, which show a hint for a sterile neutrino.
I remembered the above and said, hey do you remember that ANITA result, was it ever solved? And his answer was "Oh that thing? Yeah that keeps popping up in news outlets, but it was solved like... two years ago"
I asked "CCQE?"
The reply "Yep, pretty much."
So what that is is Charge current quasi elastic scattering, It is basically when a neutrino undergoes a W exchange with a nucleon and produces the partner lepton. This can occur anywhere in the ice, and is not guaranteed to be observed by icecube, but can be observed by ANITA if the interaction occurs at a shallow ice depth.
The nice part of this is that there was a follow up observation and there were events observed that can be tracked back to ice cube, and so you can see events in both detectors, that totally fit with the previous data set. What it proves, which is pretty cool is that there is PeV + source of neutrinos out there in the universe.