Chapter 257: New Particles Determined, International Shock! Edward Witten: So Paul is a traitor!
"When it comes to the wind pressure of the turbomachinery, we have always calculated it manually for the scheme."
"We also want to use computers for simulation calculations, but there is no simulation system at all, the calculation of impeller mechanical wind pressure is a complex problem, there is a simulation system in the world for a long time, but we have not ...... yet."
"So for the time being, we can only do the calculations manually!"
Zeng Haiyu found that Wang Hao really didn't know, so he explained it head-on. Of course, they know that it is better to do mass calculations in simulation, but there is no corresponding system at all, that is, there is no software to do it.
This kind of software involves very complex mathematical problems, and it is very difficult to develop, but it can be done more than just words.
Zeng Haiyu's explanation made Wang Hao understand, and he found that his thinking was a little simple.
Wang Hao generally knows what is going on with the wind pressure calculation of impeller machinery, and the main difficulty of calculation is in the approximate calculation of fluid mechanics, but just like the space agency has a rocket simulation system, he subconsciously feels that there will be a similar simulation calculation system in the field of aero engine research.
The two systems do not seem to be the same problem, but in fact, the main difficulty involved lies in the calculation of complex equations.
The main problem of aero engine manufacturing is that the research history is relatively short, and the research of aero engines in China only began 30 years ago.
At that time, the research method was to draw a lot of lessons from the experience of foreign engines, and even said that as long as it could be imitated, it would be a success, and there was no design problem at all.
It was only in the last decade that the research really involved the design scheme.
When the performance of the domestic self-developed aero engine is stable and can be assembled on high-end fighters, it will truly enter the stage of self-developed higher-end engines.
When it comes to the stage of self-developed high-end engines, there is no way to learn from foreign schemes, and there will be a new 'structural design scheme'.
This is a rapid process of change, and the accompanying system will naturally be imperfect.
The calculation of wind pressure of turbomachinery involves very complex mathematical problems, and it is not easy to rely on computer simulation.
Therefore, for several new design schemes, at this stage, only manual calculation can be used for comparison.
In fact, it is still a matter of self-developed high-end engines, and the time is too short.
The international monopoly of the aero engine company, the history of the study of aero engines can be traced back to hundreds of years, naturally has a complete set of professional system, as early as more than 30 years ago has a professional simulation calculation system, is specially developed for the study of aero engines.
In China, the research time is too short, and some systems have not been able to keep up.
Wang Hao thought about it seriously and said, "If you want to determine which one is better, the best way is to bring in a large number of values to calculate. ”
"Of course, there is another way, which is to do the derivation and comparison of the solution set function, which is too difficult."
"I don't know if I can analyze it......"
He shook his head as he spoke.
This answer disappointed Zeng Haiyu, and the institute argued endlessly over several options, but they could not come to a definite conclusion after doing calculations.
Now even Wang Hao, who is the first person in mathematics, has no choice?
"But ......"
Wang Hao's voice took a turn and continued, "If it is to make a simulation calculation system, I think it can be studied carefully." ”
"This kind of system should be very helpful for your research, right?"
Zeng Haiyu was stunned, and he subconsciously asked, "Really?" ”
After he finished speaking, he was speechless, and immediately said, "Professor Wang, I don't doubt you, but I am really surprised, if there is a simulation system, we can think of a few more schemes to calculate, and there will be no troubles in this regard in the future." ”
"Wind pressure calculations for turbomachinery are so important that with the help of simulation systems, aero-engine research can be shortened by at least three years!"
Zeng Haiyu is not an exaggeration at all, and is even a little conservative.
There are three major difficulties in the research of aero engines, one is to improve the supercharging ratio inside the engine, the second is to enhance the high temperature resistance of the material, and the last is to solve the load-bearing problem of internal components.
Increasing the boost ratio inside the engine is the number one, and if you want to increase the boost ratio is to improve the boost efficiency of the internal fan blades, the design of the fan is crucial.
If there is a complete simulation system, it is very important for the early scheme design and the later test, which will greatly shorten the engine development time.
Generally speaking, the development time of a top-notch engine is calculated in years, and a state-of-the-art engine can be developed in ten years, which is already very fast.
With the help of a complete simulation system, it is not an exaggeration to increase the R&D speed by three years with the help of the early design and the later experiments.
Wang Hao said, "Professor Zeng, you don't have to be in a hurry to be happy, go back and discuss it first." ”
"We can really help develop a simulation system, but you know how difficult it can be, and it takes a lot of people to get involved......"
"Of course, of course!"
Zeng Haiyu hurriedly said, "We cooperate in the form of a project, and the cost is ......."
Wang Hao said, "If you are sure, I can send someone to talk." ”
He adds, "Even if we can work together, the simulation system can't be completed in a short time. I can also take a moment to look at a few options for you. ”
Zeng Haiyu was stunned for a moment, then nodded with a grin, "Okay, that's it." ”
……
Zeng Haiyu can't make a decision on a large-scale system project alone, and he has to go back to the research institute to discuss with others.
Wang Hao only needs to wait for the news.
In fact, the screening scheme that Zeng Haiyu said is not complicated for him, of course, he will not slowly calculate it manually, but do a mathematical analysis, and he will definitely be able to get a certain conclusion.
But he didn't want to do it.
Even if the optimal plan is screened out, it is not necessarily the most suitable, just like Zeng Haiyu said, they can come up with many plans, and after determining a plan, they will have to adjust it in the future.
There will be a lot of calculations involved in the whole process, and you can't always come to him to solve every time you encounter a calculation dispute.
Therefore, there is no point in the work, it is better to directly study a simulation system and solve the problem by computer method every time.
This is good for the Mason Number Lab, which has no big projects in hand after completing the cooperation project with the space agency.
It's not a good thing that a lot of people in the lab are 'idle' and researchers have nothing to do.
Therefore, Wang Hao simply said that the core difficulties related to fluid dynamics calculations are not too complicated for him to help make a simulation system.
He completes the core math problems, and the side work is left to someone else.
As for helping to select the best solution, it can be regarded as a 'gift' that comes with reaching a project cooperation.
It's just a small thing.
Helping the lab find a project of more than 10 million is the big thing.
"It's not easy to keep a lab running, and you have to go through the hassle of finding projects."
Wang Hao sighed.
……
While Wang Hao lamented that the work was not easy, the focus of the global physics community was on the particle collision test experiment of the European Nuclear Organization.
This is the second test experiment, and the intensity is even higher than the first.
Research teams from 37 countries participated in the experimental work, and a team was also sent to China to participate in the follow-up experimental data analysis work.
However, the focus of international attention is on two separate research groups, one of Didier Maillor and the other of Gessner-Rainier.
Although CERN has not released a definitive announcement, many insiders know that two separate research groups will be responsible for the analysis of separate energy interval data.
The so-called individual energy range is the data of the '183 GEV-187 GEV' range.
Previously, Didier-Mayor's research group completed the data analysis of the relevant intervals and obtained the confidence level of the new particles in the intervals.
Although the confidence level does not reach five standard deviations, just more than one standard deviation is enough to indicate a high probability of new particles in the relevant interval.
After the particle collision test was completed, the two research teams devoted themselves to the relevant data analysis.
There was a strong competition between them, and everyone in the research group worked hard to complete the data analysis and determine the existence of the new particles first.
In the end, it was Didier Mayor who came out on top, perhaps because they already had the experience to do all the data work in the interval on the fourth day after the initial data report.
On the web page of the experimental group, they published the results of the research and the confirmed news, "We have discovered the signal of a new particle. ”
"In the 183 GEV-187 GEV interval, there is a new new particle, and the confidence level of the new particle is more than 7 standard deviations through the measurement of experimental data."
They even analyzed the new particle, "The new particle, most likely, is a completely new μ meson, which has a mass of about 500 times that of an electron." ”
The confidence standard of the physics community for the discovery of new particles is more than five standard deviations, and seven standard deviations means that the probability of discovering new particles exceeds 99.99999%.
This probability is simply too high.
Two days after the publication of the results of the study, Didier Mayor's group also confirmed the existence of the new particle.
The standard deviation they calculated was '6.9', which was also considered to be a new μ meson, which was more accurate in calculating the mass of the new particle.
"The new particle is a new type of π meson with a mass 509.4 times that of an electron. ”
"It decays very quickly, but we managed to capture the information."
"This discovery is very amazing, and it also means that more new particles may be predicted in advance through computational analysis in the future."
"We are confident that there will be more major discoveries in the future......"
After the two research groups successively identified the new particles, CERN also published a study that confirmed the existence of the new particles.
This is news that shocked the international physics community.
Although there had been estimates before, it was surprising that it was really confirmed, and many people revisited the research of Wang Hao and Paul Phil-Jones.
They were able to calculate new particles in advance by shaping a new mathematical system of decay problems and combining them with the Yang-Mills equations.
It's incredible.
In the past, most of the new particles were discovered through the analysis of experimental data on particle collisions, and the number of particles that can be predicted by research theory is very rare, and they are also very critical particles.
For example, the Higgs particle, neutrinos.
Higgs particles, neutrinos, are all large classes of particles, and it is not surprising that they can be predicted by calculation, while individual mesons are small classes of particles, and their role in theory is extremely weak.
Now it can be predicted by calculations, which is incredible to many physicists.
Many physicists began to study the research results of Wang Hao and Paul Phil-Jones, and they also became interested in the theory of annihilation.
At the same time.
A large number of media reports have been made at home and abroad, all of which focus on the new particles discovered by the European particle collision experiment, as well as the prediction of new particles by Wang Hao and Paul Phil-Jones.
Many reporters also went to Xihai University to interview Wang Hao.
It was not easy for them to interview Wang Hao, but Wang Hao still appeared in public for the discovery of new particles, and he explained the research, "Our research is mainly based on the annihilation theory. ”
"I have always believed that there is an annihilation force that can be understood as spatial squeezing, and our latest theory suggests that the annihilation force has a higher dimension."
"Mathematically ......"
Wang Hao began a long speech related to mathematics, which also reminded some reporters who interviewed him of the pain of the past.
They can only turn on the recorder to take notes, and they don't have to think about it to follow along to understand.
After Wang Hao made a simple explanation, he did not accept any more interviews.
After that, Paul Phil Jones was in the spotlight.
Paul Phil-Jones is a full professor at Caltech, but the vast majority of academics are out of the limelight, and he doesn't have the experience of being sought after by a large group of journalists.
Paul Phil-Jones couldn't help but feel an extreme sense of accomplishment, and he said excitedly, "The basis of our research is that the dimension of annihilation is higher, or simply understood, annihilation creates the other three forces. ”
"It's a cause and effect."
"Annihilation creates decay and is the source of other forces, which is why ......"
"The theory of annihilation is a theory that can achieve great unification, and I think ......"
The more Paul Phil-Jones spoke, the more engaged he became, and later even made this expression, "Although string theory is also a unified theory, I think that the theory of annihilation is correct, and many problems of string theory are just empty imaginations." ”
"What I am doing now is to shape a new unified theoretical system based on the theory of annihilation."
"As a direct result, as you can see, we can predict new particles, and we can also predict other microscopic physical phenomena later......"
"Believing in the study of annihilation theory can provide theoretical support for particle collision experiments......"
……
Because the new particles were identified by CERN, more physicists were interested in the theory of annihilation.
String theorists are not in a good mood, because some of the mathematical systems in the research of Wang Hao and Paul Phil Jones are in conflict with string theory.
Now that their research is correct, isn't it true that the mathematical system that represents string theory is wrong?
Even if it can't be proven that all of them are wrong, some of them are difficult to accept.
Princeton University.
Edward Witten sat in his office and watched Paul Phil-Jones talk in the news, and even said that 'many problems with string theory are just empty imaginations'.
How harsh is this kind of talk!
If he hadn't actually seen the interview footage, he didn't believe Paul Phil-Jones would have 'defected' at all.
How can it be!
That's Paul Phil-Jones, who is extremely faithful to string theory, and he not only studies annihilation theory, but also speaks ill of string theory in front of the media.
This rebellion is really thorough enough!
Edward Witten felt speechless again, because the other party's research did predict new particles, which means that the research subject is in the right direction.
So, string theory is wrong?
He couldn't accept that string theory was wrong, but he couldn't think of how to refute it.
When Edward Witten was distressed, he found that he had received an email from the journal Science, an editor-in-chief who had invited him to review a professional paper.
He was really in no mood to review the manuscript, but he still scanned the title of the paper, ""Analyzing the Big Bang Based on Annihilation Theory and Chord Theory"? ”
"Annihilation theory combined with string theory?"
"What logic?"
Edward Witten was a little puzzled, but he became interested and immediately replied to an email, confirming that he would help with the review.
He wanted to see what the research paper was about.