Great Country Academician

Chapter 310 Inspiration brought by Weiteng and the method of observing dark matter!

The confirmation of the existence of inert neutrinos made the name of Xu Chuan spread in the physics world.

Before that, even though he won the Nobel Prize in Physics, most physicists still had the impression of him as a mathematician.

After all, he was famous for mathematics from the very beginning. Various mathematical conjectures and the seven millennium problems made Xu Chuan's reputation in mathematics far surpass his fame in physics.

However, since today, the physics community has accepted his identity as a physicist.

If a scholar who opened the door to a new world of physics cannot be called a physicist, then no one can be called a physicist.

Research on sterile neutrinos continues at CERN.

After all, the currently observed sterile neutrinos are not complete.

At present, the Daritz map and data sorted out by Xu Chuan can only confirm the existence of a new particle in the 120um (rφ direction) collision data of the anti-helium-3 nucleus in the 'internal tracing system, and a part of it has been harvested Data on sterile neutrinos.

And no one knows how many other parameters this particle has hidden in the cosmic staff.

Therefore, no matter whether it is a physicist or CERN, even the governments of various countries are eager to explore the remaining parameters of the "inert neutrino".

After all, in the theory and prediction of Professor Xu, the inert neutrino is a bridge connecting conventional matter and dark matter. It has some properties of conventional matter and some properties of dark matter.

If traces of dark matter can be found in the body of inert neutrinos, it will definitely be a big gain.

For this reason, Professor David Gross, the chairman of CERN, also flew to Huaguo specially, and wanted to invite Xu Chuan to join the exploration work.

Two directors of CERN, Edward Witten and François Engler, came along with us.

"Master Gross, Professor Engler, tutor. Welcome."

In the office, Xu Chuan stepped forward to greet several people with a smile, shook hands warmly and said hello, then turned his head and shouted to Gu Bing who was studying behind him: "Gu Bing, please help boil the pot of hot water."

"Xu, are you researching anything important recently? You don't even have time to go to the press conference."

Professor François Engler, who looks alike and smiles more like Santa Claus, shook hands with Xu Chuan and asked curiously.

Xu Chuan said with a smile: "It's a pity that I couldn't participate in the press conference on inert neutrinos, but I really can't leave recently, as for the research."

After a pause, he smiled, and continued, "I've been researching some other things recently, but it's confidential, so it's inconvenient to disclose."

François Engler made an exaggerated expression, clapped his hands angrily, and said, "You are so bad, I hate such appetizing things the most."

On the other side, after hearing Xu Chuan's words, Edward Witten's eyes moved.

Last time when he and Deligne asked the student what he was researching, he also kept his answer confidential. As a result, the following two items, "Nuclear Beta Radiation Energy Concentration and Conversion of Electric Energy Mechanism" and "Artificial SEI Film" almost changed the entire The fruits of the world will come out.

I don't know what his student is studying this time, but it can be speculated that it must be quite important.

Of course, he didn't ask, because he knew he couldn't find out.

In the office, after a group of people exchanged pleasantries, David Gross cut to the point.

"Xu, the purpose of our coming here today is mainly to invite you to join in the follow-up exploration work on sterile neutrinos."

"Inert neutrinos are unknown particles discovered and confirmed by your observations. They know more about its properties than we do, and we also know better that some of them are hidden in the unknown of the universe."

"So, on behalf of CERN, I invite you to join in the follow-up research and exploration of inert neutrinos. Let us work together to find out this particle from the fog!"

The chief of CERN looked at Xu Chuan with fiery eyes, and invited him with a passionate tone.

For CERN, Xu Chuan is definitely a right-hand man. The method he invented to mathematically calculate the parameter information of physical particles is too important for the research of high-energy physics.

Although CERN has exchanged relevant paper methods, unfortunately, not every physics has a deep understanding of mathematics.

Although mathematics is the only way for physics, and cutting-edge physics cannot do without mathematics, there are still differences between the two different disciplines.

Not everyone is Edward Witten, or this one, who is proficient in both mathematics and physics.

What's more, the method of using mathematics to calculate the parameter information of physical particles has a very high learning threshold. Although there are many physicists at CERN, none of them have fully mastered this method.

So they put their hopes on the founder in front of them, hoping that he can join in the exploration and analysis work to analyze and calculate the data information of inert neutrinos and even dark matter.

After listening to David Gross's request, Xu Chuan shook his head regretfully, and said, "Although the continued observation of inertial neutrinos is a very important matter, I'm sorry, Master Gross, I recently I'm afraid I don't have much time to participate."

Xu Chuan declined the request of David Gross and CERN, because he knew that with the collision energy level of the LHC today, nothing else could be observed.

Mathematical calculations are not omnipotent. Even if they can be perfectly combined with physics to find things that have never been discovered before, they are still based on some basic data.

Just like using the Xu-Weyl-Berry theorem to extend the application to analyze distant celestial bodies, it is based on the basic data of conventional observations, such as gravity, luminosity, and size.

Through these basic boundary value data, mathematical methods are used to optimize and calculate, so as to obtain more stable and accurate information.

But now, with the LHC's collision energy level and the performance of detection equipment, it is impossible to observe dark matter at all.

Since no information is observed, the underlying boundary value data cannot be obtained. No matter how good mathematics is, it is impossible to make it out of thin air.

So investing time and effort in this is totally not worth it.

Hearing Xu Chuan's refusal, David Gross didn't want to give up so easily, he continued to persuade:

"Xu, you don't need to go to CERN. You can also complete your work here. Just like before, CERN can deliver the raw data to you as soon as possible. You can complete the data analysis in Huaguo."

"Even, CERN can arrange a group of physicists to come to China to help you complete the data analysis work."

Xu Chuan still shook his head and said, "It's not a problem of office location and manpower, but that I really can't spare the time to observe the inertial neutrinos."

After a pause, he continued: "And, to be honest, from my intuition, we can't observe another part of the information of the sterile neutrinos, let alone dark matter."

"In comparison, I suggest a planned upgrade of the LHC to improve the performance and detector level of the large-scale strong particle collider, which may be more useful."

David Gross eventually left disappointed.

No matter what he said, Xu Chuan was unwilling to join the remaining detection of sterile neutrinos.

Losing a top scholar in mathematics and physics, his confidence in CERN's arrangement suddenly fell to the bottom.

Is it possible that the remaining information data of inert neutrinos really cannot be found?

Perhaps, CERN really has to consider upgrading the collider.

On the other side, Edward Witten and François Engler did not leave with them.

The two of them came here together. Apart from the invitation from Gross, they also wanted to exchange ideas on theoretical physics with Xu Chuan.

After all, one is the creator of string theory and M theory, and the other is the founder of the Higgs theory.

These two people's understanding of theoretical physics and the universe can be said to be one of the best in today's physics world, and there are only a handful of people who can be compared.

"Xu, I'm curious how did you confirm the existence of inert neutrinos? How amazing is the mathematical analysis tool you left at CERN?"

In the office, François Engler took a sip of coffee and cast a curious look at Xu Chuan.

On the side, Edward Witten also showed interest.

We must know that if the high-energy physics community wants to confirm the existence of a new particle or a new phenomenon, it often takes a lot of time to make a detailed prediction and complete the final verification.

The Higgs particle, for example, took decades.

As for the inert neutrino, although it was proposed by the theoretical physicist Bruno Pontikov in the early years, it was his student who really made predictions and perfected the data.

In the first half of this year, after analyzing the first raw data, the data related to inertial neutrinos was perfected.

Counting back and forth, the time for the discovery of inert neutrinos is only about half a year.

In half a year, the predicted discovery and confirmation of a new type of particle was completed. This speed has simply refreshed the historical record of the high-energy physics community.

Even if it was 12 years ago, after the first discovery of the Higgs particle, CERN launched a full-scale exploration and tracking program, and it still took a year to fully confirm the existence of the Higgs boson.

Let’s not forget that the discovery of the Higgs boson mobilized more than half of the theoretical physicists at CERN, and the discovery of the inertial neutrino was done by Xu Chuan almost from the beginning to the end. , at most, NTU and Jiaotong University have done some auxiliary work.

With such exaggerated efficiency and accuracy, it is hard not to believe that this student has no way to accurately lock particle information.

Especially before he left CERN with a mathematical physics method, which is even more convincing.

Hearing Professor Engler's question, Xu Chuan smiled and replied: "Mathematics does help physics to some extent, but it is impossible to completely rely on mathematics to find inert neutrinos in high-energy physics."

"Discoveries in high-energy physics often rely more on details and observations."

"Like the sterile neutrino, it would be impossible to find it without noticing the tiny, anomalous concave curve in the collision data."

Hearing this, Engler nodded. In high energy physics, meticulous observation and discovery are indeed the most indispensable.

On the side, Wei Teng thought for a while, then suddenly looked at Xu Chuan and said, "I think it's not because you don't have time for rejecting Gross and CERN's invitation? It's because you may feel that you can't observe more with the current equipment." information."

After a pause, he added another sentence: "Or, you can't calculate more relevant information and data through your mathematical method?"

Xu Chuan nodded with a smile, and said, "This is indeed one reason."

Facing these two old men, he did not lie. The data of the inertial neutrinos has reached the observation limit.

Without upgrading the collider and detection equipment, he has mapped out all the information that can be observed.

Wei Teng then asked curiously: "If you want to completely observe inert neutrinos or dark matter, what kind of detection equipment do you think you need? Or, cosmic phenomena?"

Xu Chuan thought for a while and said, "It may not be easy to predict what kind of detection equipment will be needed."

"However, if we use cosmic phenomena to observe inert neutrinos or dark matter, I mentioned it in the paper uploaded to Arxiv before."

"In the universe, there are a small number of Type Ia supernovae. You should be very clear that it is a binary star system composed of a giant star and a white dwarf star."

"And this kind of extremely massive white dwarf absorbs the material (mainly hydrogen) of the giant star. When it reaches 1.44 solar masses, it will ignite nuclear fusion again and detonate carbon."

"Because of the extremely rapid nuclear fusion reactions during this period, at the time of carbon fusion, its mass will be locked at 1.4 solar masses."

"And in this process, theoretically, a 'group singlet field' and its 'charge conjugate field' that does not break the gauge symmetry but breaks the conservation of lepton number will be formed. By observing it, we may be able to See how primordial neutrinos are deduced into neutrinos and sterile neutrinos."

"If you are lucky enough, you can even see the energy gap created by the inert neutrinos forming dark matter or breaking away from dark matter."

Wei Teng's eyes moved, and he said, "I've read that paper. In theory, it's indeed a good point of view."

"However, during Type Ia supernova fusion, the current observation methods are still less, and we cannot accurately obtain the material loss mechanism and main observational characteristics of Type Ia supernova precursor stars."

"but."

Edward Witten's eyes stayed on Xu Chuan for a moment, and then said: "Maybe you can do it."

"I?"

Xu Chuan looked curiously at himself, the mentor of the two lives, a little puzzled about what he wanted to say.

Wei Teng smiled and said: "I didn't think about this before, but the paper you posted on arxiv provided me with inspiration."

"You should know that the simple degenerate star model is currently the most popular model of Type Ia supernova progenitor stars, and the problem with this model is that when the mass transfer rate between binary stars exceeds a certain critical value, the accretion envelope of the white dwarf will expand. , and eventually forms a shared envelope around the binary system, causing disturbance and loss of matter."

"But for you, maybe you can do a data analysis simulation and prediction work on the mutagenesis of Type Ia supernovae through NS equations, fluid dynamics simulations, and the extended application of the Xu-Weyl-Berry theorem. .”

"It may be possible to calculate or observe what you call dark matter and sterile neutrinos when they appear."

Hearing this, Xu Chuan froze for a moment. Immediately, the brain began to mobilize relevant knowledge and information to think quickly.

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