If a diproton can spontaneously change into a deuteron by emission of a positron and neutrino, then perhaps the deuteron can be _stimulated_ to change into a dineutron. The dineutron breaks up and viola a supply of neutrons...
harry On Sun, Apr 28, 2013 at 1:39 AM, Axil Axil <[email protected]> wrote: > Protons and neutrons attract each other by passing their EMF charges back > and forth between them. > > In the nucleus, it looks to me like the charge is passed around between > nuclear particles on a regular round robin basis. If a nuclear particle > does not get its charge fix in time so that its charge can be refreshed > through a charge change, it is pushed out of the nucleus. > > In a proton rich nucleus, the mesons will eventually fail to service the > charge changing needs of all its constituent protons. The mesons have a > short life and in that short time they can only do so much. A neglected > proton will not get a negative charge change from the mesons to turn the > proton into a neutron and eventually a neglected proton pair will be pushed > out of the atom. > > On the other hand, in a neutron rich nucleus, the mesons will eventually > fail to service the charge changing needs of all its constituent neutrons. > The mesons can only do so much. A neutron will not get a positive charge > from the mesons to turn the neutron into a proton and eventually a neglected > neutron pair will be pushed out of the atom. > > If the total positive charge in the nucleus is screened to some degree, some > number of protons will be expelled from the nucleus until the nucleus is > smaller and has a close balance of protons and neutrons based on the charge > capacity that the nucleus has remaining. > > Being exceptionally stable, elements that have magic numbers of protons and > neutrons will resist charge screening. > > One event that is likely: a proton pair having been expelled from the > nucleus will pair up and become an alpha particle with one pair adjusting > their charges by absorbing some electrons to become a neutron pair. This > neutron pair will find another proton pair and thus form an alpha particle. > > > > > > On Sat, Apr 27, 2013 at 8:53 PM, Harry Veeder <[email protected]> wrote: >> >> Focus: Nuclei Emit Paired-up Neutrons >> >> Published March 9, 2012 | Physics 5, 30 (2012) | DOI: >> 10.1103/Physics.5.30 >> >> A neutron-rich nucleus can emit a neutron pair as a single unit as a >> product of nuclear decay. >> >> A neutron-only nucleus is considered physically impossible, but >> researchers have now seen a short-lived neutron pairing as a product >> of nuclear decay. The so-called dineutron had been indirectly observed >> inside neutron-rich nuclei, but the new experimental evidence reported >> in Physical Review Letters confirms that pairs of neutrons can exist >> outside the nucleus, albeit for a very short time. Further dineutron >> research could provide insight into the nuclear physics of neutron >> stars and supernovae. >> >> The forces holding together the protons and neutrons in a nucleus are >> not completely understood. Exotic forms of matter, such as dineutrons >> and diprotons, offer researchers the chance to push their models to >> extremes and see how well they hold up. Both dineutrons and diprotons >> are nearly stable, so researchers have searched for brief appearances >> of these particle pairs in nuclear reactions for several decades. Most >> of these searches have looked for diprotons because neutron-rich >> nuclei are harder to make, and neutrons are harder to detect. The >> results have been ambiguous, in part because the electric charge on >> the proton complicates the data analysis... >> >> http://physics.aps.org/articles/v5/30 >> >> >> http://prl.aps.org/abstract/PRL/v108/i10/e102501 >> >
