The web page https://fcc.web.cern.ch/physics explains why CERN wants to build a new collider, called the future circular collide (FCC). I have been a summer student there, so I like CERN. Surprisingly, the FCC web page also proves that we need to rebuild CERN.
The first sentence on the web page states: “The Standard Model of Particle Physics accurately describes the 5% of the observable Universe.” This is wrong. Nobody can make this statement. No experiment can confirm it. The statement, which is based on the alleged 5% energy content of the universe that is due to ordinary matter, is simply false. And knowingly so. We do not know even a single aspect of the universe in contrast with the standard model with massive neutrinos. In particular, see the blog https://tritonstation.com/ for a refutation of “dark matter”. Luring young people into CERN with the 5% statement is not wise.
The first section of the FCC page asks “What are the fundamental interactions that govern nature?” There is no reason to suspect that anything about the present answer - gravity, electromagnetism, the strong and the weak nuclear interaction - is unknown. The second, third and fourth sections continue, but suggest that there might be something “beyond the Higgs boson”. There is not the slightest experimental hint for this statement.
The fifth section is “Searching for dark matter?” It claims that 27% of the universe is made of it. This is wrong. And knowingly so. Nobody can prove this statement. The section even suggests that dark matter may be made of sterile neutrinos. The section avoids stating that there is no clear experimental evidence for dark matter. See, again, the mentioned blog https://tritonstation.com/ for details.
The sixth section “Why do neutrinos have masses?” speculates about heavy neutral leptons. The section avoids stating that there is no experimental evidence why neutrino masses should have a special mass mechanism or why such leptons should exist. This is a false hope.
The next section is “Why there is more matter than antimatter in the Universe?” The section turns an observation with slightly shaky explanation into an unsolved fundamental problem. This is a false hope.
And the eighth “Looking for Supersymmetry?” section tries to argue that an theory that has been falsified by experiment might be true nevertheless. This is a false hope.
The top pf the web page states: “The discovery of the Higgs boson has opened a new chapter in our understanding of nature. Are you ready to explore it?” There is no experimental evidence, none at all, that there are is something unknown to explore. This is a false hope.
In summary, the FCC project is built on a lie and on false hopes. Can you imagine what a working climate this will generate? It is a planned failure for many years to come. Instead, we need to rebuild CERN on truths. CERN was a wonderful place in the past. CERN is a wonderful place at present. CERN has to remain a wonderful place in the future.
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P.S. The reasons to be skeptical about future discoveries at the FCC are summarized here. The text summarizes various mathematical theorems suggesting that further interactions are not possible, that further elementary matter particles cannot exist, and that no particle physics beyond the standard model can occur. The approach also suggests definite answers to all the questions posed on the FCC web page - already now.
P.P.S. The full FCC physics report is found here. It has 1464 authors. In contrast, this post has only one author. Future experiments will tell who is right. All experimental tests that can decide between the two approaches are found in a numbered list here. So far, the answer is clear.
I don't understand why will CERN rebuild in future.Maybe this is a wrong solution
That a statement is wrong does not make it a lie...