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/sci/ - Science & Math

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2608805 No.2608805 [Reply] [Original]

Hey /sci/ducks take 4 minutes of your time and watch this really neat video about how some scientists disguised Helium as Hydrogen through using a Muon as a substitute for its electrons

http://www.youtube.com/watch?v=7hdVjb2gRgQ&feature=feedu

And for those of you who do not know, a Muon is a Lepton like an electron, it has the same charge as an electron but its much heavier

>> No.2608817

Neat, but how did they substitute one electron in Helium for a muon?

>> No.2608827

bump for great science

>> No.2608831

>>2608817
That's not very hard, the so called muonic atoms are often used to measure the radius of nuclei (being heavier it orbits on average closer to the nucleus hence is more receptive to deviations from the point charge model used to solve its equations of motion).

Obviously it's going to decay after a while, it can't be helped. Muons are not stable.

>> No.2608842

>>2608831
that didn't answer my question about how they did it

>> No.2608853

>>2608842
It explains so in the video.

>> No.2608857

Great, but how can you weaponise it?

>> No.2608864

>>2608817
take the muon, accelerate it and bump it into the He, the electron gets knoked out and the muon takes its place.

btw. thats awesome

>> No.2608903

>>2608842

They accelerated muons and bumped them into helium atoms, which knocked out one of the electrons.

After that the Helium has two shells for the negatively charged particles. One, the inner one is occupied by the heavier muon and the outer one by the electron. As the electron is now much much more reactive state (similar to the quantum state of the electron of a hydrogen atom) it now reacts chemically like a hydrogen atom which I guess they wanted to show everyone.

>> No.2608945

>>2608903
What if you gave helium so much energy that one of the electrons was ejected, then had it bond with the hydrogen?

>> No.2608997

>>2608945
I'm guessing

<div class="math">\mathrm{He}^+ + \mathrm{H} \rightarrow \mathrm{He} + \mathrm{H}^+</div>