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Old 02-12-2006, 12:18 PM
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Default antimatter radiation

Will someone plese explain the whole antimatter radiation buisness? I mean, I get that Janeway thinks it's stupid, but why. Is there a reson or is it just for a stupid gag's sake
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Old 02-12-2006, 02:15 PM
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Oh, foo.

All it is is normal radiation (Alpha, beta, gamma); just translated over to it's antimatter opposites.
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Old 02-12-2006, 05:28 PM
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That, and antimatter radiation would destroy any matter it came in contact with. It wouldn't make you mutate, it would just kill you.
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Old 02-12-2006, 06:05 PM
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Quote:
All it is is normal radiation (Alpha, beta, gamma); just translated over to it's antimatter opposites.
Ie:
Alpha = a helium nucleus (two protons and two neutrons), which would become two neutrons and two antiprotons.
Beta = electron, becomes a positron (one wonders why Data's head doesn't explode, but let's not dwell on that).
Gamma = a photon, which isn't matter and so doesn't have an antiparticle.

So basically, alpha and beta antimatter radiation would be made of antimatter, which would be anhiliated before it radiated anywhere, and in the process produce gamma rays, which would be indistinguishable from gamma rays from other sources (more or less).

Keep in mind that my degree is in chemistry and not particle physics, so I may be wrong on some points.

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Old 02-12-2006, 06:18 PM
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I think we have a new candidate for the rather neglected Jokes and References section.
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Old 02-12-2006, 06:19 PM
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More like an old candidate. Antimatter radiation is covered in the second one down.

Quote:
Originally Posted by Sa'ar Chasm
which would become two neutrons and two antiprotons
The neutrons would become antineutrons, no? (I'm guessing this was a typo.)
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Old 02-12-2006, 06:32 PM
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Quote:
Originally Posted by Zeke
More like an old candidate. Antimatter radiation is covered in the second one down. :)
Hm. So much for that idea. But I was thinking more along the lines of *why* antimatter radiation is impossible.
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Old 02-12-2006, 06:35 PM
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yeah, they would. Of course, the only way to prove they are anti-neutrons is by colliding them with real neutrons and watching the gamma rays it produces. Which means you have to score a direct hit with another atom's nucleus (and it can't be standard hydrogen, either). So, this one might reach you. If you were standing a couple of meters away and there weren't any particularly thick sheets of paper shielding you.
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Old 02-12-2006, 06:38 PM
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I really liked that TJI. Heh.
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Old 02-12-2006, 07:09 PM
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Quote:
Originally Posted by Derek
Hm. So much for that idea. But I was thinking more along the lines of *why* antimatter radiation is impossible.
Oh, it's plenty possible, it just wouldn't last long. Anyway, you have a point. I'll add something about that to the existing entry.

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Old 02-12-2006, 07:11 PM
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Quote:
Originally Posted by Zeke
Quote:
Originally Posted by Derek
Hm. So much for that idea. But I was thinking more along the lines of *why* antimatter radiation is impossible.
Oh, it's plenty possible, it just wouldn't last long. Anyway, you have a point. I'll add something about that to the existing entry.

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Old 02-12-2006, 07:13 PM
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Nope. In the esrevinU rorriM, antimatter radiation would be noitadiar rettamitna, which doesn't mean anything.
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Old 02-12-2006, 08:05 PM
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Quote:
The neutrons would become antineutrons, no?
No such animal. Antimatter is formed by reversing the charge on the particle (electron/positron). Neutrons are neutral, hence no charge, hence no reversal.

In mathematical terms, -0 = 0.
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Old 02-12-2006, 08:46 PM
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WOW did you just put your foot in your mouth. You dare cite math to me? Especially when I'm the one of us who did his homework before posting?
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Old 02-12-2006, 08:54 PM
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Ouch.
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Old 02-12-2006, 08:59 PM
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Would antiquarks be odos?
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Old 02-12-2006, 09:16 PM
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Quote:
Originally Posted by Sa'ar Chasm
Quote:
The neutrons would become antineutrons, no?
No such animal. Antimatter is formed by reversing the charge on the particle (electron/positron). Neutrons are neutral, hence no charge, hence no reversal.

In mathematical terms, -0 = 0.
Quote:
Originally Posted by Zeke
WOW did you just put your foot in your mouth. You dare cite math to me? Especially when I'm the one of us who did his homework before posting?
Yeah, Zeke's right on this one, Anitmatter isn't only a reversal of charge, that's just an effect of it. Additionally, the neutron is made of quarks (as Zeke's wikipedia link states) and the Anti-neutron is made of antiquarks, which all have an opposite charge, but since they still add up to zero overall, the antineutron still has 0 overall charge.


Oh, and a for Dereks comment, too.
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Old 02-12-2006, 09:52 PM
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Quote:
Originally Posted by Derek
Would antiquarks be odos?
mwahahaha :wink:
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Old 02-12-2006, 11:53 PM
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Quote:
WOW did you just put your foot in your mouth.
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Old 02-13-2006, 01:33 AM
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Good ideas.
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