Flavour changing neutrinos give insight into Big Bang

The question of why are we here perhaps means different things to different people, but in the field of particle physics it is a question that we may be close to finding an answer to.

Experimental results presented to the 27th International Conference on Neutrino Physics and Astrophysics (Neutrino 2016) last week could explain the tiny differences in matter and anti-matter that allow the Universe to exist.

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CrazyNeutrino said:

Flavour changing neutrinos give insight into Big Bang

The question of why are we here perhaps means different things to different people, but in the field of particle physics it is a question that we may be close to finding an answer to.

Experimental results presented to the 27th International Conference on Neutrino Physics and Astrophysics (Neutrino 2016) last week could explain the tiny differences in matter and anti-matter that allow the Universe to exist.

more…

“In 2014, the team reconfigured the experiment to fire anti-neutrinos. Explaining the results, Professor Tanaka said: “Our first results suggest that somehow the neutrino process happens more often than the anti-neutrino process.”

I take it that this proves that neutrinos are not Majorana particles.

There was a program on the other day about anti gravity devices. In a way that I don’t understand related to the accelerating universe an experiment they are still building had something that could capture antimatter and put it into a chamber, the theory being that antiparticles will “fall” upwards.

AwesomeO said:

There was a program on the other day about anti gravity devices. In a way that I don’t understand related to the accelerating universe an experiment they are still building had something that could capture antimatter and put it into a chamber, the theory being that antiparticles will “fall” upwards.

Repel from positive matter?

AwesomeO said:

There was a program on the other day about anti gravity devices. In a way that I don’t understand related to the accelerating universe an experiment they are still building had something that could capture antimatter and put it into a chamber, the theory being that antiparticles will “fall” upwards.

That whole program was woo nonsense. Antiparticles are still attracted by gravity, the same way normal particles are.

Peak Warming Man said:

AwesomeO said:

There was a program on the other day about anti gravity devices. In a way that I don’t understand related to the accelerating universe an experiment they are still building had something that could capture antimatter and put it into a chamber, the theory being that antiparticles will “fall” upwards.

Repel from positive matter?

In the opposite direction to gravity. I just checked SBS on demand and the program is there called Can We Control Gravity.

btm said:

AwesomeO said:

There was a program on the other day about anti gravity devices. In a way that I don’t understand related to the accelerating universe an experiment they are still building had something that could capture antimatter and put it into a chamber, the theory being that antiparticles will “fall” upwards.

That whole program was woo nonsense. Antiparticles are still attracted by gravity, the same way normal particles are.

Not that woo as the experiments they did all failed to demonstrate woo. The antiparticle experiment is still pending.

btm said:

AwesomeO said:

There was a program on the other day about anti gravity devices. In a way that I don’t understand related to the accelerating universe an experiment they are still building had something that could capture antimatter and put it into a chamber, the theory being that antiparticles will “fall” upwards.

That whole program was woo nonsense. Antiparticles are still attracted by gravity, the same way normal particles are.

I saw that program. The idea behind the experiment is that we don’t actually know how antimatter responds to gravity. One way antimatter could (hypothetically speaking) “fall upwards” and still be consistent with general relativity is if antimatter were some kind of hole (like an air bubble in water). But given that it requires twice the energy to form a particle-antiparticle pair as the energy-equivalent of the corresponding particle mass, the idea that antimatter acts like a hole doesn’t hold up to scrutiny.

KJW said:

btm said:

AwesomeO said:

There was a program on the other day about anti gravity devices. In a way that I don’t understand related to the accelerating universe an experiment they are still building had something that could capture antimatter and put it into a chamber, the theory being that antiparticles will “fall” upwards.

That whole program was woo nonsense. Antiparticles are still attracted by gravity, the same way normal particles are.

I saw that program. The idea behind the experiment is that we don’t actually know how antimatter responds to gravity. One way antimatter could (hypothetically speaking) “fall upwards” and still be consistent with general relativity is if antimatter were some kind of hole (like an air bubble in water). But given that it requires twice the energy to form a particle-antiparticle pair as the energy-equivalent of the corresponding particle mass, the idea that antimatter acts like a hole doesn’t hold up to scrutiny.

That conjured an image of a scientist peering speculatively through a hole with a quizzical expression.

roughbarked said:

KJW said:

btm said:

That whole program was woo nonsense. Antiparticles are still attracted by gravity, the same way normal particles are.

I saw that program. The idea behind the experiment is that we don’t actually know how antimatter responds to gravity. One way antimatter could (hypothetically speaking) “fall upwards” and still be consistent with general relativity is if antimatter were some kind of hole (like an air bubble in water). But given that it requires twice the energy to form a particle-antiparticle pair as the energy-equivalent of the corresponding particle mass, the idea that antimatter acts like a hole doesn’t hold up to scrutiny.

That conjured an image of a scientist peering speculatively through a hole with a quizzical expression.

And says, “Hello in dere, anyone at home?”