Re: stupid question about the "delta minus" particle
From: Bruce Scott TOK (Use-Author-Supplied-Address-Header_at_[127.1)
Date: 08/25/04
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Date: Wed, 25 Aug 2004 15:59:47 +0200 (MEST)
Sean Gabriel wrote:
|> I know naught of which I speak, but I enjoy following the field. I
|> don't know any of the math but I think I have a decent conceptual
|> understanding, for a layman.
|>
|> A while back I was thinking about a baryon composed of three down
|> quarks, for a net charge of -1, and how it would compare functionally
|> to an electron. After some googling, I discovered it's called a delta
|> minus and has a very short lifespan (not too surprising).
Which tells you it doesn't tend to stay as it is...
|> So here's my what-if question: Could it be possible the delta minus
|> particle is more stable in an atomic nucleus? Could there be neutral
|> nuclei composed of protons, neutrons, and delta minus particles?
|> Could these nuclei be a component of dark matter?
I think what would happen to a delta minus in a nucleus is that the
quarks would all rearrange (they are all together in a bag, basically,
inside the nucleus), becoming a neutron and turning another proton into
another neutron (whatever it took to conserve everything.
-- cu, Bruce drift wave turbulence: http://www.rzg.mpg.de/~bds/
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