The Proton Radius Problem and the Muon.

  • A couple of minor errors in the Ars Technica news story. Muons are not "close" to protons in mass. They are close to 1/9 the proton rest mass (which is 1836 times that of an electron).


    But, the extra mass of the muon is important in this story, since it makes any muonic atom a different QC and QM problem. Essentially the Hartree-Fock and other assumptions necessary to force solution to the Schroedinger equation are complicated a lot by the 207X greater mass of the muon. A static nuclear locus is no longer reasonable, and indeed protonic orbitals become (more) important.


    As Alan suggests, It is very likely that this will ultimately be an important story for CF.

    • Official Post

    And now it seems the Deuteron is too small, too.


    http://science.sciencemag.org/content/353/6300/669

    The deuteron is too small, too.


    The radius of the proton has remained a point of debate ever since the spectroscopy of muonic hydrogen indicated a large discrepancy from the previously accepted value. Pohl et al. add an important clue for solving this so-called proton radius puzzle. They determined the charge radius of the deuteron, a nucleus consisting of a proton and a neutron, from the transition frequencies in muonic deuterium. Mirroring the proton radius puzzle, the radius of the deuteron was several standard deviations smaller than the value inferred from previous spectroscopic measurements of electronic deuterium. This independent discrepancy points to experimental or theoretical error or even to physics beyond the standard model.


    Science, this issue p. 669


    Abstract.


    The deuteron is the simplest compound nucleus, composed of one proton and one neutron. Deuteron properties such as the root-mean-square charge radius rd and the polarizability serve as important benchmarks for understanding the nuclear forces and structure. Muonic deuterium μd is the exotic atom formed by a deuteron and a negative muon μ–. We measured three 2S-2P transitions in μd and obtain rd = fm, which is 2.7 times more accurate but 7.5σ smaller than the CODATA-2010 value rd = fm. The μd value is also 3.5σ smaller than the rd value from electronic deuterium spectroscopy. The smaller rd, when combined with the electronic isotope shift, yields a “small” proton radius rp, similar to the one from muonic hydrogen, amplifying the proton radius puzzle.

  • These discrepancies from standard model predictions in nuclei charge radii when muons orbit them fit in nicely with both the unexpected muon anomalous magnetic moment and my theory of LENR involving electron based spin waves as a source for the fifth force of nature.


    The "muon anomalous magnetic moment" is caused by increased magnetic drag from the increased magnetic influence of virtual particle creation around the rotating muon. Virtual particle induced magnetism produces a marked increase in precession in the muons magnetic moment more than the standard model predicts. The Standard model based particle zoo that the standard model would expect to be instantiated by vacuum particle creation defines the magnetic effects of the vacuum on the magnetic moment of the muon. That is, there are more types of particles popping in and out of the vacuum than the Standard model has discovered so far.


    Researchers have just discovered a possible new force carrying particle(boson) whose creation as a virtual particle in the vacuum would explain why the muon is precessing so much more than the Standard Model predicts.


    The increase in the magnetic moment of the muon over what the standard model expects would explain the reduced charge radius of the nuclei that the muon orbits.


    If this new magnetically charged boson causes increase precession in the magnetic moment of the muon then symmetry would predict that electron precession would generate this new boson and/or increase it power level.


    There is much RF coming from LENR reactors so LENR is marked by lots of electron precession which would produce lots of this new fifth force carrying bosons.


    The coupling constant of this new fifth force might cause the other forces to converge to unification (the GUT theory of LENR) more readily than the Standard Model now predicts and this increased force screening of the strong and weak forces would produce all the effects that we now see in LENR.

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