so basically, london forces inside the protons? rock on.
On Fri, Nov 20, 2009 at 1:13 AM, Mark Iverson <[email protected]> wrote:
>
> This just out at PhysOrg... (see at bottom of msg)
>
> What I find funny, in a sad kind of way, is the following statement:
>
> "So you have one set of data that tells you the mass-dependence picture
> doesn't work and another
> that tells you the density-dependence picture doesn't work," Arrington
> explained.
> "So, if both of these pictures are wrong, what's really going on?"
>
> And the experts dare say that fusion is IMPOSSIBLE under the conditions
> present in a CF cell? This
> can ONLY be said if one knows everything about nuclear interactions, and
> CLEARLY, they DON'T!
>
> -Mark
> ===========================================
>
> JLab experiment E03-103 made precise new measurements of the EMC effect in a
> variety of light
> nuclei. The results indicate that the effect does not depend on nuclear mass
> or density but rather
> on the microscopic structure of nuclei, usually neglected in high-energy
> measurements. This result
> hinges on the unusual structure of 9Be. Most of the time, it is in a
> configuration with two 4He-like
> clusters and an additional neutron orbiting around each other. The orbiting
> clusters yield a large
> radius and an anomalously low average density similar to that of the much
> less massive 3He. But the
> size of the EMC Effect in 9Be is much more similar to that of the denser
> nucleus of 12C. This is
> probably because most nucleons are contained within the high local densities
> of the clusters. The
> results suggest that the EMC effect may be entirely generated within these
> small, high-density
> clusters, where densities can briefly approach those in a neutron star.
> Credit: Image: Peter Mueller
> (Argonne National Lab)
>
>
> A recent experiment at the DOE's Thomas Jefferson National Accelerator
> Facility has found that a
> proton's nearest neighbors in the nucleus of the atom may modify the proton's
> internal structure.
>
> The result was published in the November 13 issue of the journal Physical
> Review Letters.
>
> When comparing large nuclei to small nuclei, past measurements have shown a
> clear difference in how
> the proton's constituent particles, called quarks, are distributed. This
> difference is called the
> EMC Effect.
>
> [deletions...]
>
> "So you have one set of data that tells you the mass-dependence picture
> doesn't work and another
> that tells you the density-dependence picture doesn't work," Arrington
> explained. "So, if both of
> these pictures are wrong, what's really going on?"
>
> [deletions...]
>
> "We want to isolate the quark structure during the moment when the proton and
> neutron are very close
> together. If we find a large effect in such a small and simple nucleus by
> looking when the proton
> and neutron are closest together, it will demonstrate that the EMC effect
> does not require a large,
> dense nucleus - it simply requires two nucleons coming into extremely close
> contact," Arrington
> explained.
>
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>
