Friday, July 13, 2018

Further evidence for the third generation of weak bosons

Matt Strassler had a blog posting about an interesting finding from old IceCube data revealed at thursday (July 12, 2018) by IceCube team. The conclusion supports the view that so called blasars, thin jets of high energy particles suggested to emerge as matter falls into giant black hole, might be sources of high energy neutrinos. In TGD framework one could also think that blazars originate from cosmic strings containing dark matter and energy. Blazars themselves could be associated with cosmic strings thickened to magnetic flux tubes. The channeling to flux tubes would make possible observation of the particles emerging from the source whatever it might be.

Only the highest energy cosmic neutrinos can enter the IceCube detector located deep under the ice. IceCube has already earlier discovered a new class of cosmic neutrinos with extremely high energy: Matt Strassler has written a posting also about this two years ago (see this): the energies of these neutrinos were around PeV. I have commented this finding from TGD point of view (see this).

Last year one of these blazars flared brightly producing high energy neutrinos and photons: neutrinos and photons came from the same position in the sky and occurred during the same period. IceCube detector detected a collision of one (!) ultrahigh energy neutrino with proton generating muon. The debris produced in the collision contained also photons, which were detected. IceCube team decided to check whether old data could contain earlier neutrino events assignable to the same blasar and found a dramatic burst of neutrinos in 2014-2015 data during period of 150 days associated with the same flare; the number of neutrinos was 20 instead of the expected 6-7. Therefore it seems that the ultrahigh energy neutrinos can be associated with blazars.

By looking the article of IceCube team (see this) one learns that neutrino energies are of order few PeV (Peta electron Volt), which makes 1 million GeV (proton has mass .1 GeV). What kind of mechanism could create these monsters in TGD Universe? TGD suggests scaled variants of both electroweak physics and QCD and the obvious candidate would be decays of weak bosons of a scaled variant of ew physics. I have already earlier considere a possible explanation interms of weak bosons of scaled up variant of weak physics characterizes by Mersenne prime $M_{61}=2^{61}-1}$ (see this).

  1. TGD "almost-predicts" the existence of three families of ew bosons and gluons. Their coupling matrices to fermions must be orthogonal. This breaks the universality of both ew and color interactions. Only the ordinary ew bosons can couple in the same manner to 3 fermion generations. There are indeed indications for the breaking of the universality in both quark and leptons sector coming from several sources such as B meson decays, muon anomalous anomalous (this is not a typo!) magnetic moment, and the the finding that the value of proton radius is different depending on whether ordinary atoms or muonic atoms are used to deduce it (see this).

  2. The scaled variant of W boson could decay to electron and monster neutrino having same energies in excellent approximation. Also Z0 boson could decay to neutrino-antineutrino pair. The essentially mono-chromatic energy spectrum for the neutrinos would serve as a unique signature of the decaying weak boson. One might hope of observing two kinds of monster neutrinos with mass difference of the order of the scaled up W-Z mass difference. Relative mass difference would same as for ordinary W and Z - about 10 per cent - and thus of order .1 PeV.

One can look the situation quantitatively using p-adic length scale hypothesis and assumption that Mersenne primes and Gaussian Mersennes define preferred p-adic length scales assignable to copies of hadron physics and electroweak physics.
  1. Ordinary ew gauge bosons correspond in TGD framework to Mersenne prime Mk= 2k-1, k=89. The mass scale is 90 GeV, roughly 90 proton masses.

  2. Next generation corresponds to Gaussian Mersenne Gaussian Mersenne prime MG,79= (1+i)79-1. There is indeed has evidence for a second generation weak boson corresponding to MG,79 (see this). The predicted mass scale is obtained by scaling the weak boson mass scale of about 100 GeV with the factor 2(89-79/2=32 and is correct.

  3. The next generation would correspond to Mersenne prime M61. The mass scale 90 GeV of ordinary weak physics is now scaled up by a factor 2(89-61)/2= 214 ≈ 64,000. This gives a mass scale 1.5 PeV, which is the observed mass scale for the neutrino mosters detected by Ice-Cube. Also the earlier monster neutrinos have the same mass scale. This suggests that the PeV neutrinos are indeed produced in decays of W(61) or Z(61).

See chapter New Particle Physics Predicted by TGD: Part I of "p-Adic physics".

For a summary of earlier postings see Latest progress in TGD.

Articles and other material related to TGD.

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