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Old 11-28-2012, 01:37 PM   #1
Ablast
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particle physics!

Let's talk about particle physics! To my knowledge: the Higgs Boson is what gives matter mass, please correct me if i am wrong.
Also, what would cause an Antimatter-Matter Reaction to explode? We know that it explodes but why?! What are the mechancis of it?!?!?
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Old 11-28-2012, 01:40 PM   #2
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Aren't you a physics major? You should know this.
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Old 11-28-2012, 01:50 PM   #3
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I wouldn't know about the Higgs-Boson, but I think that antimatter-matter reactions explode because there's no internal room for it to implode into. By nature, everything prefers the easy way, so antimatter-matter reactions wouldn't collapse into themselves, simply because it would cost too much effort, especially when considering the outside force it would require to compress the reaction.

Disclaimer: Could be very ****ing wrong about this.
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Old 11-28-2012, 01:52 PM   #4
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Old 11-28-2012, 02:00 PM   #5
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Originally Posted by Lord_Doku
I wouldn't know about the Higgs-Boson, but I think that antimatter-matter reactions explode because there's no internal room for it to implode into. By nature, everything prefers the easy way, so antimatter-matter reactions wouldn't collapse into themselves, simply because it would cost too much effort, especially when considering the outside force it would require to compress the reaction.

Disclaimer: Could be very ****ing wrong about this.

Yea but i am sure no one has an answer to this, throughout high school i always thought it would have been because of the opposite charges in the quarks, but it would be an exact opposite charge and wouldcancel each other out.
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Old 11-28-2012, 02:05 PM   #6
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also; what would the quarks be charged? would they be the traditional up, down, top, bottom, strange and charm, or would they have "anti" charges (anti-top)?
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Old 11-28-2012, 02:10 PM   #7
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Particles and anti-particles annihilate when interacting. This releases energy proportional to E=mc^2, which is a lot. An explosion occurs when we can't deal with the amount of energy released and it gets out of hand. That is my understanding at least. I might type more when I'm not bound to my ipod anymore.
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Old 11-28-2012, 02:13 PM   #8
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Let's talk about particle physics!

no
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Old 11-28-2012, 02:19 PM   #9
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They found the God Particle. Even science knows there's a God. Checkmate, atheists!



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Old 11-28-2012, 02:20 PM   #10
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Antimatter-matter collisions result in a photon being created with energy related to the two masses.
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Old 11-28-2012, 02:23 PM   #11
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Old 11-28-2012, 02:25 PM   #12
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They found the God Particle. Even science knows there's a God. Checkmate, atheists!



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I don't care if they're dumb and want to know more, it's when they're dumb and think they know what they're talking about that annoys me.
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Old 11-28-2012, 02:30 PM   #13
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The mechanics of a matter-antimatter annihilation are pretty simple.

The basic premise (for the case of electrons) is that there is a sea of negative energy (note that this is the total energy of an electron and so is different than the negative energy associated with a bound state such as in an atom, in which the rest mass energy of the electron brings its total energy to be positive) electrons everywhere which cannot be observed. A positron (anti-electron) is formed when there is enough energy is available to "excite" an electron out of this "sea". The result is an observable electron and a positron (similar to a hole in solid state physics).
When matter and antimatter annihilate, this is just the recombination of an electron and a "hole" in the Dirac sea. This recombination (or relaxation of the electron into the sea) results in energy i.e. a pair of photons being emitted (a pair of photons can conserve momentum as well as energy).

Hope this helps.

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Old 11-28-2012, 02:30 PM   #14
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Matter and anitmatter both have positive mass, e=mc^2 implies when the particle annhilate the massof the two particles is converted into energy.

"the Higgs Boson is what gives matter mass" in a way yes, but if you want to understand properly you'll have to ask different questions. I don't know what those questions are (I was in semiconductors for my masters so only have undergrad knowledge of particle phys) but they are more along the lines of "by what mechanism do forces (grav, estat, weak, strong" actually work.

If you want to understand, start basic - if you start with Higgs then you aren't going to understand.
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Old 11-28-2012, 02:37 PM   #15
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I don't care if they're dumb and want to know more, it's when they're dumb and think they know what they're talking about that annoys me.

I thought I conveyed that with the first part of my post. But yeah, that's what I mean.
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Old 11-28-2012, 02:38 PM   #16
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I wouldn't know about the Higgs-Boson


"I'm Leonardo, I don't even know the mass of the higgs boson"
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Old 11-28-2012, 02:40 PM   #17
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edit: nvm, explosion part has been answered by someone who actually knows.

The way I heard the Higgs Boson explained most recently is not so much that it gives mass, though it can definitely be interpreted that way, but that it has like a gravitational charge that attracts other Higgs Bosons, because of their gravitational charge. This I think is a lot easier to think about then "This particle has mass, and the others don't somehow."
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Old 11-28-2012, 04:00 PM   #18
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Quote:
Originally Posted by Ablast
Let's talk about particle physics! To my knowledge: the Higgs Boson is what gives matter mass, please correct me if i am wrong.
Also, what would cause an Antimatter-Matter Reaction to explode? We know that it explodes but why?! What are the mechancis of it?!?!?


From what I've heard mass is due to a particle's interaction with the Higg's field, the Higg's Boson is excitation of that field. But I haven't searched it up in a while.
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Old 11-28-2012, 04:08 PM   #19
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Ask your physics teacher. I'd post something more constructive, but I haven't finished A Brief History of Time yet.
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Old 11-28-2012, 04:52 PM   #20
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