Re: life time of an atom
- From: PD <TheDraperFamily@xxxxxxxxx>
- Date: Mon, 30 Jul 2007 21:45:29 -0000
On Jul 30, 1:52 pm, deejey <7g56f4...@xxxxxxxxx> wrote:
On Jul 30, 8:01 pm, PD <TheDraperFam...@xxxxxxxxx> wrote:
On Jul 20, 5:52 pm, virgil <u7it...@xxxxxxxxxxxx> wrote:
On Jul 21, 12:42 am, PD <TheDraperFam...@xxxxxxxxx> wrote:
On Jul 19, 2:56 pm, sleepy <valnad...@xxxxxxxxxxxxx> wrote:
On Jul 17, 8:00 am, PD <TheDraperFam...@xxxxxxxxx> wrote:
On Jul 16, 6:30 pm, virgil <u7it...@xxxxxxxxxxxx> wrote:
On Jul 16, 7:15 am, PD <TheDraperFam...@xxxxxxxxx> wrote:
On Jul 15, 1:49 am, walter <u7it...@xxxxxxxxxxxx> wrote:
atoms can lose and gain electrons, but overall
what is tha lifetime of an atom?
i cant see tha reason why a muon having a
lifetime while an atom or a nucleus, protons,
neutrons etc to not have
The answer here is actually very simple. Muons decay because they can,
without violating any laws of physics. Namely, there is a decay state
of final energy that is lower than that of the muon or an entropy that
is higher, and there is an interaction for which the muon has charge
that can produce that final state.
why a proton or a neutron dont deacay
A neutron on its own DOES decay.
so neutral neutron decay from no charge to zero charge
No, it decays from zero charge to zero charge.
A proton on its own doesn't decay
because it doesn't have anything lighter it can decay into that isn't
missing some characteristic that apparently is always conserved (like
baryon number).
A neutron in a nucleus doesn't decay because -- and
this is where things get interesting -- there is no lighter *nucleus*
that would result.
[pauses while waiting for the anticipated good question]
then what is tha reason for a neutron doing nothen in a nucleus
is a neutron a glue holding tha nucleus together in order ta
not disipate?
Well, that wasn't the good question I was anticipating.
wold you mind asking yourself that good question please
For a hydrogen atom, on the other hand, there is no interaction
between the proton and the electron that would yield a lower energy
state, which respects known conservation laws, and by which both the
electron and the proton participate.
it is imposible for a hydrogen to be that old
Doesn't appear to be impossible at all. The hydrogen in stars has been
around for close to 14 billion years
are you saying that tha water i drink, tha bear and tha wine
i drink is as old as the entire universe?
No, but the hydrogen in the water is 14 billion years old. Molecules
can be quite young, but most light atoms are as old as ... well, older
than the hills
i cant understand
how can that hydrogen atom entity still be tha same entity no
mater what and entropy?
Entropy doesn't demand that the hydrogen atom fall apart, and I don't
know where you got the impression that it does.
sure it does, how can it not does
Entropy does not demand that the hydrogen atom fall apart.
what you are saying is that hydrogen atoms
are invincible
Invincible? No. It's quite easy to ionize hydrogen. Done all the time
in a bottle of vinegar. Entropy didn't make it do that, though.
and eternal which is imposible
No, it's not. Don't know why you think everything has a finite
lifetime.
entropy must act on them as well as on everything
else, but maybe slower
There is nothing about entropy that says that everything has a finite
lifetime. If you got the opposite impression, look again.
entropy dont work at atomic level? only at macro levels?
.
16 billion years old water? this is not posible
.
hydrogen without electron decay into neutrinos
No, it doesn't. That's been explicitly tested in experiment.
neutrino is lighter than hydrogen
Right, but a neutron decaying into a neutrino would violate a few
conservation laws, including baryon number and lepton number. So it
doesn't happen.
This is the answer for all stable states: it is the lowest energy
state accessible by conservation laws and participating interactions
-- a dead-end street, if you will
PD
i cant quite see what this has ta do with atomic
energy states
energy can be transformed into dark matter very easy
I don't see what THAT has to do with atomic lifetimes.
it has, becus hydrogen at high speed near speed of light
becomes heavier,
No it doesn't.
hereby its atomic mass increase and
consequently it becomes another atom, a iron atom for instance,
but it depends on how fast it goes
after that all tha heavy atoms transforms into dark matter- Hide quoted text -- Hide quoted text -
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