The ABC Preon Model. Physics in Electron Positron Colliders. A Prediction.

This is the tenth thread in the series on the ABC Preon Model. Links to earlier threads will appear in the comment below.

In the previous thread we took an initial look at the results from proton antiproton colliders. But another branch of high energy physics experimentation involves experiments done in electron positron colliders.



Above we see the process of an electron positron collision as modeled by the ABC preon model. An electron, composed of an A anti-preon and a B preon, collides with a positron, which is an A preon and an anti-B preon. We've seen in the prior thread how the production of a free A anti-A pair leads to what is known as the Z Signature in proton antiproton colliders, and here we can see that the same production will take place in electron positron colliders.

The Z signature will result when the mass of the collision is such that the B and anti-B annihilate, leaving a free A anti-A pair. Once that happens, a B anti-B pair and a neutrino pair can be produced from vacuum, leading to two leptons which is one signature for the Z particle. But in addition to forming a lepton pair, it is also possible that C anti-C pairs can form from vacuum as well, and that will lead to various quark anti-quark combinations. Hence, it can be noted that the ABC preon model nicely dovetails with the Standard Model. All of the various lepton and quark production channels known to exist in the standard model can also be seen to occur through the ABC Preon Model for what are known as Z events. Of course this is the idea behind all preon models. The idea is that a simpler precursor model underlying the quarks and leptons will reproduce known results by leading to an understanding of the composition of what are now known as quarks and leptons.

So it is clear that A anti-A pairs can be easily seen to result from electron positron colliders, and we can see how that production is consistent with known experiments. But note that it should also be possible to produce B anti-B pairs as well, through annihilation of the A anti-A portions of the electron and positron. In that case, massive leptons will be produced through A anti-A and neutrino pair creation, and quark anti-quark pairs will also be produced through C anti-C and neutrino pair production. This leads to a prediction for new physics from the ABC Preon Model. A signature that has the same decay channels as the Z signature should also exist at 69.6 GeV in electron positron colliders. Note that it may not be as strong a signal as the one at 91.2 GeV, but it should exist.

As a reminder of where the energies 69.6 GeV and 91.2 GeV come from, recall that the prior thread showed us that the mass of the B is 34.8 GeV/c^2 and that the mass of the A is 45.6 GeV/c^2. A B anti-B formation will occur at twice the mass of the B times c^2, or 69.6 GeV. An A anti-A formation will occur at twice the mass of the A times c^2, or 91.2 GeV.

And now let's return to a look at proton antiproton collisions. We saw in the prior thread how the ABC preon model leads to an understanding of what are presently described as W events through the formation of an anti-A preon and a B preon. We also saw how the model led to an understanding of what are presently described as Z events through the formation of an A anti-A preon pair. But as was the case for the electron positron collisions, it should also be possible to form a B anti-B preon pair in proton antiproton colliders. Hence, the same decay channels seen at the 91.2 GeV Z peak should also be seen at 69.6 GeV in proton antiproton colliders. Since there are only half as many B particles as there are A particles in the proton, and half again as many anti-B particles as anti-A particles in the antiproton, this will lead to only a quarter of the amount of production at the lower energy than there is at the high energy. Additionally, the cross section for production may be smaller, as evidenced by the more tightly bound B particles in the down family of quarks. But the signal should exist at some level.

The Exposition of the ABC Preon Model will involve many threads. Here are links to previous threads in this series, in the order that they appeared:

1. The ABC Preon Model, Background: the Standard Model of Elementary Particle Physics

2. The ABC Preon Model. Modeling the Massive Leptons.

3. The ABC Preon Model. Assigning Some Quantum Numbers.

4. The ABC Preon Model. Modeling the Hadrons.

5. The ABC Preon Model. Quarks.

6. The ABC Preon Model. Relationship to the Standard Model.

7. The ABC Preon Model. Neutrinos.

8. The ABC Preon Model. Weak Decays.

9. The ABC Preon Model. The W and Z. A and B masses. First Free Preons.

Are you just using existing physics with a new set of words? Or is there something here that cannot be expressed in the standard model. If yes, what is it? And if no, what's the point?

originally posted by: dfnj2015
Are you just using existing physics with a new set of words? Or is there something here that cannot be expressed in the standard model. If yes, what is it? And if no, what's the point?

The above thread predicts a 69.6 GeV peak for high energy physics colliders that is not predicted in the standard model.

More predictions for results not anticipated by the standard model are coming in a future thread.

Lastly, the ABC Preon Model employs fewer elementary particles and forces than the standard model and historically such reductions have led to scientific progress which in turn has led to useful devices.

originally posted by: delbertlarson

originally posted by: dfnj2015
Are you just using existing physics with a new set of words? Or is there something here that cannot be expressed in the standard model. If yes, what is it? And if no, what's the point?

The above thread predicts a 69.6 GeV peak for high energy physics colliders that is not predicted in the standard model.

More predictions for results not anticipated by the standard model are coming in a future thread.

Lastly, the ABC Preon Model employs fewer elementary particles and forces than the standard model and historically such reductions have led to scientific progress which in turn has led to useful devices.

You are my hero!