Great Country Academician

Nothing to say all night.

In the early morning of the next day, Xu Chuan set off with his mentor Chen Zhengping and several other physics professors from Huaguo to the headquarters of CERN.

Geneva is not far from that legendary 'small town', just a short drive away.

Led by Qi Xishao, the group came to CERN and stayed in a modern hotel.

Just after checking in, an old man with a white beard appeared in the lobby.

Seeing this figure, Chen Zhengping was stunned for a moment, then quickly stepped forward to greet him.

"Professor Engler, I didn't expect to meet you here."

Hearing the sound, the old man stopped and looked at Chen Zhengping with a mellow smile on his face.

"Welcome, Academician Chen."

After greeting the old man, Chen Zhengping pulled Xu Chuan and Qi Xishao over and introduced, "This is Professor François Engler, winner of the 2013 Nobel Prize in Physics."

"Hello, Professor Engler, my name is Xu Chuan, and I'm from Huaguo."

Xu Chuan took the initiative to say hello and shake hands with the old man in front of him.

François Engler, the top guru in the field of theoretical physics.

He and Peter Higgs won the Nobel Prize in Physics in 2013 for their prediction of the Higgs boson.

Regrettably, Professor Robert Brout, who proposed the Higgs mechanism and Higgs boson theory with him, has passed away and failed to receive this honor.

In fact, the old man in front of him is already eighty-five years old this year.

It can be seen that winning the Nobel Prize requires not only great contributions, but also a long life.

Engler extended his right hand to shake Xu Chuan's hand, and said with a smile, "This name is very familiar. I seem to have heard it somewhere. Let me think about it."

"Xu Chuan, Xu Chuan"

After muttering a few words, François Engler's eyes lit up, and he asked with a touch of surprise: "Is it you who wrote the paper on the calculation method of the mystery of the proton radius earlier this month?"

Xu Chuan said modestly: "It's just an insignificant achievement. Compared with your achievements and glory, it's not worth mentioning at all."

Engler smiled and said: "This is not an insignificant contribution. You have made a big step forward in the precise value of the proton's radius. Perhaps in the near future, we will have a more accurate value to use."

Xu Chuan smiled and said, "I hope."

After chatting with François Engler and exchanging email addresses, the group went upstairs to pack their luggage.

Then, Xu Chuan was pulled out by the enthusiastic Qi Xishao, who called him familiar with the environment.

For Xu Chuan, he is very familiar with the environment of CERN. In his previous life, he stayed here for many years, and made a lot of research results with the help of the large and powerful particle collider under his feet.

Revisiting the old place, I am deeply moved.

But I have to say that the town at the foot is a rare place that can be compared with the Institute for Advanced Study in Princeton.

Relying on the large-scale strong particle collider buried one hundred meters deep underground, more than one-third or even half of the world's theoretical physicists and high-energy physicists are gathered here.

If you find a restaurant to eat in a small town, the person sitting opposite you may be a master in theoretical physics, or an honorary professor from a well-known university.

It is no exaggeration to say that if this place is 'blown up' by terrorists, then human physics will go back at least twenty years.

Incidentally, it is worth mentioning that at the entrance of CERN, there is a sculpture of Shiva of Hinduism, dancing the cosmic dance of creation and destruction.

What's more worth mentioning is that every time the LHC starts or boosts its energy, disasters or weird events happen to happen in nearby areas or at the same time.

For example, on September 10, 2008, when the LHC was first launched, four major earthquakes occurred within 24 hours.

Including Iran's magnitude 6.1, Atlantic magnitude 6.6, Indonesia's magnitude 6.6, and Hokkaido's magnitude 6.9, a total of four major earthquakes.

On January 12, 2010, when the LHC increased its strength to 3.5tev, a few hours later, a magnitude 7 earthquake occurred in Haiti, killing 300,000 people.

On December 21, 2012, when CERN turned on the LHC to its maximum power, on the same day, a strange vortex appeared in the sky of Australia, which was the same as that in the sky of Norway on December 9, 2009.

At that time, this strange vortex was considered by many people to be a time vortex that went straight through to 2009, and they believed that passing through it could directly return to 2009.

But it is a pity that the vortex does not exist for a long time, so no one can successfully pass through it.

However, every time the LHC operates, there will be some strange phenomena or disasters, which makes many people think that this reflects its adverse effects on the earth.

Therefore, many people think that the LHC is a tool to open hell, and they continue to call for demonstrations and protests in order to close it.

After visiting this sacred place of physicists with Senior Brother Qi, Xu Chuan returned to the hotel, called his mentor Wei Teng, and asked about his location.

Originally, Witten should have returned to the Institute for Advanced Study in Princeton, but because of the mystery of the proton radius, he stayed here.

To Xu Chuan's surprise, the hotel where Wei Teng stayed was actually the one he was staying in now, but he only lived on the third floor.

According to the house number provided by Weiteng, Xu Chuan successfully found his mentor.

Knocking on the door, the old man inside welcomed him in.

"You came quite early. If we remember correctly, today seems to be only the 15th, right? There are still about ten days before your experiment."

Seeing Xu Chuan appearing here, Wei Teng asked in surprise.

"I originally came here with my mentor in college. He had an experimental cooperation here on the 18th of this month, and he came here as an intern of the project team."

"However, mentor, you have applied for the use of the proton accelerator for me, so I will not be able to participate in the project over there."

Xu Chuan explained briefly, and Wei Teng nodded: "It turns out that it is good for you to participate in more projects, but that is in the future, and the most important thing for you at present is to focus on the proton radius first." Let’s bring up the mystery.”

After a pause, Wei Teng continued: "Since you have arrived early, you should familiarize yourself with the environment here, as well as the workflow and other things."

"There will be a manual and instructions for these things. I will send it to your email later. After you receive it, take a good look."

"In addition, you take some time these two days to go to the office to apply for employment, join my scientific research project team, and become a researcher, so that you can formally participate in the subsequent acceleration experiment of the mystery of the proton radius."

Xu Chuan nodded in agreement.

This is the benefit of following a top physics professor.

If he joins Huaguo's ATLAS research team, he can only become an intern.

However, Weiteng directly gave him the status of a formal researcher, skipping the step of being an intern.

Although there is only one level of difference between interns and formal researchers, following the formal process, at least one doctoral student or above needs to be polished at CERN for at least one year.

Obviously, the old professor opened a back door for him this time, letting him take a shortcut and skip the intern directly.

With such an identity, Xu Chuan can come to CERN at any time in the future and join

Of course, only formal experimental researchers, not theoretical researchers.

There are less than 30 official theoretical researchers at CERN, each of whom is a national treasure-level scholar from various countries and a real top boss.

It can be said that these thirty people absolutely determined the fate of CERN and the fate of the physics world.

For example, Witten is not only a professor of experimental research at CERN, but also a theoretical researcher at CERN.

After greeting Wei Teng, Xu Chuan returned to his room.

He didn't read the manuals and instructions in the mailbox. After all, he was familiar with both the workflow of the LHC Large Intense Particle Collider and the workflow of small and medium-sized accelerators. It would undoubtedly be a waste of time to look at these things.

In contrast, Xu Chuan is more curious about what new discoveries he can bring to him when he came into contact with CREN more than three years earlier than before his rebirth.

After all, the collision experiments are different every year, and the resulting collision data are also completely different.

Although these collision data are generally stored in CERN's database after the first analysis is completed, under normal circumstances, few people will be idle and bored looking through the huge data in the database in order to learn from it. Find something.

Because these data have already been analyzed once, it is undoubtedly a waste of time and inefficient to dig them out again.

Xu Chuan has never looked through the huge data in the historical database. The first time he came into contact with CERN in his previous life was in early 2019.

This means that he had no access to the experimental data from 2016-2019 in his previous life.

So for him now, these data are first-hand, brand new, and worth exploring.

After completing the formalities and officially becoming an experimental researcher in the Weiteng project, Xu Chuan reviewed the work schedule of CERN for the second half of 2016.

For CERN, the largest particle physics laboratory in the world, there are countless scientific research experiments every year.

However, the most important scientific research experiments are four categories, corresponding to the four large detectors of the LHC.

They are the torus general detectors ATLAS and CMS, the heavy ion experiment detector ALICE, and the half front field detector LHCb.

ATLAS and CMS are mainly used to detect various common signals, and two independent experimental groups verify each other to ensure the credibility of the experimental results.

The Higgs particle known as the "God Particle" was discovered by these two detectors at the same time.

The third detector, ALICE, is only turned on in the experiment of colliding lead nuclei to study the interaction of heavy ions.

As for the last one, LHCb, it is mainly used to study the asymmetry in the collision process, to search for antimatter, to study parity non-conservation and the strange properties of various flavor physics.

In recent years, the LHCb has grown in importance over time because it is the fundamental workhorse for studying quarks.

Xu Chuan reviewed the work schedule of CERN for the second half of this year. The ATLAS and CMS experimental devices still mainly observe the Higgs boson, and measure the Standard Model to verify its correctness.

ALICE, on the other hand, mainly conducts experimental measurements of strange baryons and antibaryons, and in the second half of the year, ALICE will collide lead ions to reconstruct the initial state of the universe after the "big bang" under laboratory conditions. The data obtained will allow physicists to study the nature and state of the quark-gluon plasma, which is believed to exist only a short time after the Big Bang.

As for LHCb, it still keeps observing quarks in order to collect more hadrons, or to discover new particles.

The four detectors have their own task arrangements. After thinking about it for a while, Xu Chuan drew a circle on ALICE's experiment.

He is very interested in this.

To reconstruct the initial state of the universe after the "big bang", this experiment can make people tremble with excitement just by listening to it.

CERN, Huaguo Research Area, and the office area of ​​Jinling University, Chen Zhengping is leading several project team members to analyze the data in their hands.

"Xi Shao, how is your work over there, and how long will it take?"

In the office, Chen Zhengping asked after taking a sip of the warm water in the thermos cup.

Hearing the inquiry, Qi Xishao shook his head and said: "The data this time is far more complicated than the analysis we have done before. I can't find a way to suppress the background caused by secondary leptons and reconstruct leptons by mistake. event, and there is no direct evidence for the coupling of the top quark and the Higgs particle Yukawa."

"It could be hidden in the data, but we can't find it."

Hearing this, Chen Zhengping couldn't help but frowned.

If so, this experiment is in trouble.

After its discovery and public announcement in 2012, the Higgs particle appeared to fill in the last piece of the Standard Model, but failed to explain dark matter and dark energy.

So people hope to find new physics beyond the standard model to explain these phenomena.

The Standard Model contains some experimentally measurable parameters. If the experimental measurement is consistent with the Standard Model, it means that the Standard Model has been verified. If it is inconsistent with the Standard Model, it means that new physics may be included.

In the Standard Model, the Higgs particle has special properties that are responsible for other particles gaining mass, and both fermions and bosons gain mass through the Higgs mechanism.

Therefore, studying the specific physical properties of the Higgs particle is still an important topic of the LHC experiment.

The main research objects of the two most important experimental devices of the LHC, the ATLAS and the CMS experimental devices, are the Higgs particle.

Since the discovery of the Higgs particle, the ATLAS collaboration group has collected more than 5 million Higgs boson data, thus achieving higher-precision experimental measurements and stricter constraints on the theory.

The Higgs boson was first discovered in the LHC experiment through ZZ, γγ and WW decay processes, which perfectly demonstrated the coupling of Higgs and gauge bosons.

The Yukawa coupling between the Higgs and the third-generation lepton (Taozi τ) was observed for the first time in 2015.

This year, the project team led by him applied for the Tangchuan coupling between Higgs and the third-generation heavy quark (top quark t and bottom quark b).

This part is undoubtedly very important.

But the important things are often not researched by the family. Like them, there are two other universities and institutions that have applied for this part of the scientific research experiment.

One is from the Georgia Institute of Technology in the United States, and the other is from the Australian University in Australia.

These two opponents are quite strong, and their rankings in world universities are much higher than Nantah University.

Therefore, their research time is very tight. If they cannot produce results in a short period of time, I am afraid that the value of this collision data will be exploited by the other party.