Anti protons and electrons

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Shrykull
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Anti protons and electrons

Post by Shrykull »

Where do anti protons come from? I know positrons are a quark or protons, are electrons and anti protons the same thing since they both have a negative charge? I know that in normal matter the protons are much more massive than the electrons.
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Re: Anti protons and electrons

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Shrykull wrote:Where do anti protons come from? I know positrons are a quark or protons, are electrons and anti protons the same thing since they both have a negative charge? I know that in normal matter the protons are much more massive than the electrons.
Firstly, positrons aren't quarks or protons, they are electrons with a positive charge. Secondly, anti-protons and electrons are not the same thing because they've got the same charge. The anti-proton is vastly more massive (same mass as a proton) and is a baryon, while the electron is a lepton.
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Post by SyntaxVorlon »

I think the aProton is the Tau, is that right?
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Post by kojikun »

SyntaxVorlon wrote:I think the aProton is the Tau, is that right?
No, taus are entirely different. Its a type of lepton.
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Post by Seggybop »

Is there any site with a listing and descriptions of all the subatomic particles currently known?
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Re: Anti protons and electrons

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Shrykull wrote:Where do anti protons come from? I know positrons are a quark or protons, are electrons and anti protons the same thing since they both have a negative charge? I know that in normal matter the protons are much more massive than the electrons.
Positrons are not quarks or protons. They are (as far as we know) fundamental particles. Anti-protons and protons are made up of quarks which have fractional charges.
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Re: Anti protons and electrons

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Shrykull wrote:Where do anti protons come from?
The Big Bang.
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Post by kojikun »

Antiparticles also have the opposite spin.
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Re: Anti protons and electrons

Post by XaLEv »

Shrykull wrote:Where do anti protons come from?
Sometimes alpha particles get really drunk and sleep with seedy positrons. Anti protons are the result. They come around in about a day from our point of view, but to the particles involved it takes just a few nanoseconds, due to time dilation.
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Re: Anti protons and electrons

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XaLEv wrote:Sometimes alpha particles get really drunk and sleep with seedy positrons. Anti protons are the result. They come around in about a day from our point of view, but to the particles involved it takes just a few nanoseconds, due to time dilation.
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Post by Sindai »

I can so see antiprotons walking around with little t-shirts with large minus signs acting as the dash of a capital A on them.
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Re: Anti protons and electrons

Post by Shrykull »

XaLEv wrote:
Shrykull wrote:Where do anti protons come from?
Sometimes alpha particles get really drunk and sleep with seedy positrons. Anti protons are the result. They come around in about a day from our point of view, but to the particles involved it takes just a few nanoseconds, due to time dilation.
I thought positrons come from protons, that they are flung out of a proton when something happens, and I was talking not about the big bang but when we make our own anti matter in a lab, guess your description tells me.
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Re: Anti protons and electrons

Post by Durandal »

Shrykull wrote:I thought positrons come from protons, that they are flung out of a proton when something happens, and I was talking not about the big bang but when we make our own anti matter in a lab, guess your description tells me.
This is not the case, as I explained. Positrons and electrons are anti-particle/particle analogues. They have identical characteristics except for charge and spin, which are opposite. They are both fundamental particles, meaning that you can't break them down into any constituent parts.

I'm almost certain that protons don't decay into electrons or positrons, but it's been a while since I've looked at my particle physics notes. A neutron will decay into a proton, electron and neutrino, if memory serves. Good luck even getting a proton to decay, though. They have very long lifetimes.
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