Xueba starts with change

Chapter 516 Multidisciplinary Interdisciplinary Art
For the arrival of Chen Zhou and Friedman's group, CERN has a very welcoming attitude.

Therefore, when Cross arrived here earlier, he easily communicated the relevant matters.

Now it was the turn of Chen Zhou and Friedman to be present, so CERN naturally paid enough attention to it.

They arranged for a special person to receive Chen Zhou and his party, and according to the communication situation of Cross, they will hold two small seminars for academic exchanges.

Chen Zhou looked at the middle-aged man in front of him, and the middle-aged man in front of him was also looking at Chen Zhou.

However, the way Chen Zhou looked at the other party was trying to guess who this person was.

The other party looked at Chen Zhou, but it seemed a little fiery.

Obviously, this middle-aged man has different ideas about Chen Zhou.

"Professor Johnstone, I will trouble you for this academic exchange."

Friedman's voice brought back Mitch Johnstone's eyes that had been fixed on Chen Zhou.

Others may like to see beautiful women, but Mitch Johnstone likes to see talented physicists.

And Chen Zhou obviously belongs to this category.

"Professor Friedman, it is a happy thing for you to come to CERN, how can you say it is troublesome?" Mitch Johnstone said with a smile.

Friedman was noncommittal, and he said instead: "Then let's hurry up and go to the linear accelerator laboratory."

Mitch Johnstone nodded lightly: "Alright, let's take you to visit the laboratory first, and we will have a good communication later."

Consciously or unintentionally, when Mitch Johnstone said this, he looked at Chen Zhou twice more.

Although Chen Zhou noticed it, he didn't pay much attention to it.

A group of people followed Mitch Johnstone towards the two linear accelerator laboratories of CERN.

This is CERN's most basic accelerator laboratory, and it is also the longest-used laboratory.

The prototype concept of the linear accelerator was first proposed by the British scientist Professor Ising in 1924.

In an article titled "Principles of the Method for Generating High-Voltage Tunneling Rays", he proposed a design pattern of a linear accelerator.

However, due to the limitation of the level of electromagnetic technology at that time, the linear accelerator was not realized.

It was not until four years later that the German scientist Rolf Widro completed the world's first linear accelerator.

It was also from this that the physics community entered the era of accelerator experiments.

Many theories and predictions of high-energy physics have been verified in accelerator experiments.

In fact, it has only been a hundred years since the accelerator was born.

But its rapid development really proves the rapid progress of science.

Moreover, with the development of linear accelerators, it has also been applied to various industries.

Especially in medicine, the application of linear accelerator in medicine provides a new treatment method for the treatment of tumors.

"This is the Linac2 linear accelerator, it may be a little different from the linear accelerators you have seen before..."

Mitch Johnstone pointed to the accelerator device in front of everyone and began to introduce.

At the beginning of the construction of CERN, there was a linear accelerator called Linac1.

However, because of the long service time, high maintenance costs and little maintenance value, it was dismantled.

This is actually the same as SLAC shutting down the collider laboratory.

On the road of scientific development and exploration, there is also the law of survival of the fittest.

This law not only applies to humans, but also to research equipment.

"The accelerator is mainly composed of three tall columns made of insulating material, and the accelerator tube in the middle of them..."

"The accelerator is kept under vacuum by a vacuum pump, and its streamlined exterior prevents accidental discharges from any corners or protrusions..."

"There are metal rings in the accelerator tube. The way they are connected to the high-voltage generator can make the negative pressure of a series of metal rings gradually increase from the bottom to the top..."

"The ion source that produces protons is installed at the upper end of the accelerator tube..."

"The positively charged protons are attracted by the negatively charged metal ring, and shoot down the tube. At the same time, because the negative voltage of the metal ring below continues to increase, the speed of the protons also increases..."

"Under the floor at the ground end of the accelerator tube, there is a chamber containing a receiver, where protons can collide with matter, and in the process the bombardment can cause the nuclei to disintegrate..."

Mitch Johnstone introduced the Linac2 linear accelerator very seriously.

He felt that he had never been so serious, nor had he introduced it from the shallower to the deeper.

Thinking of this, Mitch Johnstone's eyes could not help but drift to Chen Zhou.

Chen Zhou noticed something, and also took a look at Mitch Johnstone.

Mitch Johnstone seemed to feel that it was impolite to look at Chen Zhou from time to time, so he immediately looked back.

This made Chen Zhou even more strange.

He doesn't understand this Professor Mitch Johnstone, why keep looking at him?

Do you think you are too handsome?

Although Chen Zhou himself felt that he was getting more and more handsome and attractive, but you are an uncle? !

Following the principle of the accelerator, Mitch Johnstone introduced some main features of the linear accelerator.

In fact, linear accelerators can be designed, manufactured and debugged in sections from front to back because of the convenience of beam injection and extraction, and factors such as strong beam current, high transmission efficiency, and better beam quality.

Therefore, compared with other high-energy accelerators, linear accelerators can have better practical applications.

At the same time, since the linear accelerator does not have the synchrotron radiation limitation of the deflected beam, it can accelerate the electron beam to a very high energy and so on.

Linear accelerators are the only candidates for the next generation of ultra-high-energy colliders.

Chen Zhou didn't know if CERN had research in this area, but most likely they couldn't escape.

If it is possible to have some contact, or to say "communicate"?
Chen Zhou felt that this would be a very good experience.

Thinking of this, Chen Zhou took a second look at Professor Mitch Johnstone.

"Well, Dr. Chen, there is something, please tell me the truth, can you?"

After visiting the Linac2 linear accelerator, on the way to the area where the Linac3 linear accelerator is located, Cross quietly approached Chen Zhou and "dragged" Chen Zhou away from the main force before asking in a low voice.

Chen Zhou gave Cross a strange look: "What's the matter?"

Cross looked around and whispered, "That's right, why are you here at CERN?"

Chen Zhou was taken aback for a moment, and didn't understand what Cross meant at the first moment.

He said in surprise: "I followed Professor Friedman for academic exchanges, what's wrong?"

Cross glanced at Chen Zhou, then carefully looked around, and asked bluntly, "I mean, will you stay at CERN?"

Chen Zhou suddenly realized that this was the case.

He also suddenly figured out why that Professor Mitch Johnstone would look at him from time to time.

After thinking about it, Chen Zhou said softly: "I will stay for the time being, for academic exchanges..."

After finishing speaking, Chen Zhou didn't explain too much, and went straight to catch up with Friedman and others.

Cross, who stayed where he was, was stunned for three seconds, and then a smile appeared on his face.

He understood what Chen Zhou meant.

One morning, whether it is long or not, is not short.

However, Chen Zhou and Friedman and his party only visited the Linac2 and Linac3 linear accelerator laboratories.

When eating at CERN at noon, Mitch Johnstone was no longer polite, and took the initiative to come over.

"Professor Friedman, Dr. Chen Zhou, how do you feel after watching this morning?"

Hearing Mitch Johnstone's words, Chen Zhou and Friedman looked at each other, and they both smiled at the same time.

Friedman said: "Professor Johnstone, to be honest, I am a little envious of you! As the largest particle physics laboratory in the world, your configuration is indeed the most complete. In this regard, whether it is personnel, Or equipment, it's all the same."

Mitch Johnstone smiled softly: "Professor Friedman, whether it was before or now, I believe that all researchers at CERN welcome you."

Friedman shook his head and said with a smile, "No way, I'm old, and my thinking doesn't jump anymore."

Mitch Johnstone didn't say any more, and asked Chen Zhou again: "Dr. Chen Zhou, how do you feel after watching this morning?"

Chen Zhou thought for a while and said: "I don't know much about CERN. If we only look at these two linear accelerators, I think that as basic accelerator equipment, the performance and experimental nature of these two accelerators are quite good. Not bad."

"In addition, for the category of linear accelerators, I don't know what CERN's experimental plan is like. Is there any preparation for the ultra-high energy collider..."

What Chen Zhou said was very straightforward. What he thought was, anyway, if you want to ask, then I don't need to be polite.

Mitch Johnstone was taken aback for a moment when he heard this, and then laughed softly: "In about two days, CERN will start the next round of experiment planning, and the contents of the experiment also include the glue balls you just discovered."

Chen Zhou nodded slightly, noncommittal.

Since the other party avoided the important ones and didn't answer the question he was most concerned about, Chen Zhou lost interest.

Mitch Johnstone, who seemed to be aware of this, added with a smile: "As for the specific experimental plan that Dr. Chen Zhou asked about, it is inconvenient for me to disclose it here, unless CERN voluntarily discloses the relevant experimental plan."

Hearing these words, Chen Zhou couldn't help laughing in his heart.

It might be useful to others if you want to whet your appetite like this, but to him, who has a wrong set of questions, it really doesn't have much temptation.

Although he really hopes to have access to the relevant research content of the next-generation ultra-high-energy collider, the time is not so urgent.

And Chen Zhou's plan, during the study tour, the most important thing is to increase his knowledge and broaden his horizons.

As the saying goes, read thousands of books and travel thousands of miles.

Seeing that Chen Zhou and Friedman didn't seem to have much desire to talk, Mitch Johnstone didn't say anything more.

However, he was also silently thinking about something.

Speaking of which, the time Chen Zhou and Friedman chose was really a coincidence.

CERN's collider laboratory has just passed the rest period and will start the next round of experimental plans in the near future.

As for Chen Zhou and the others, if they are interested, CERN is very happy to welcome them to join.

That's why Mitch Johnstone is so enthusiastic.

For a team with rich experience in collider experiments and the discovery of glueballs, CERN has infinite tolerance.

In particular, in this team, there is also a young man with the temperament of a future physics leader.

After lunch, after a short break, Mitch Johnstone began to lead Chen Zhou and the others to visit the proton synchrotron.

Mitch Johnstone introduced the proton synchrotron to Chen Zhou and others in detail just like in the morning.

However, unlike the linear accelerator laboratory in the morning, the researchers in the proton synchrotron laboratory are obviously busy.

The Proton Synchrotron Laboratory plays a very important role in the next round of experimental planning.

These researchers are making adequate preparations for the next round of experimental planning.

Listening to Mitch Johnstone's introduction, looking at the proton synchrotron in front of him, the figure of the researchers is constantly shuttling in the corner of his eyes.

Chen Zhou's thoughts gradually moved from the proton synchrotron in front of him to a place farther away.

The processing accuracy of high-energy physics colliders is often higher than that of products in the aerospace field.

For a collider to achieve high performance, the beam current must be precisely controlled.

This places very strict requirements on accelerator design and equipment manufacturing, and requires long-term stability during operation.

When particles collide in the accelerator, it is necessary to achieve six-dimensional precise control, and the lateral position accuracy reaches micron level.

It is probably the precision level of a few tenths of a hair.

In the vertical time control accuracy, it needs to reach the picosecond level.

That's a trillionth of a second.

In this, it is not just a field of high energy physics.

Or it should be said that research in the field of high-energy physics requires the cooperation of other disciplines.

In addition to the collider itself, the collider experiment also spans multiple disciplines.

This is true whether it is CERN, the former SLAC, or other collider laboratories.

Take the Yanjing Electron Positron Collider BEPCⅡ of the Institute of High Energy Physics of the Chinese Academy of Sciences as an example.

BEPCⅡ "one machine with two uses" has become a large-scale public experiment platform for synchrotron radiation in many disciplines in Huaguo.

Therefore, the Yanjing Electron Positron Collider also has another name, Yanjing Synchrotron Radiation Laboratory.

Not only has it provided high-precision detector calibration for many research institutes of the Institute of Engineering Physics for a long time, but it has also completed the precision calibration of a large number of X-ray detection components.

It also provided key data for the formulation of the acceptance criteria for a certain type of aircraft engine blade of the Institute of Metal Research, Huaguo Academy of Sciences.

Thinking of this, Chen Zhou suddenly had a piece of news that popped up on the Internet popped up in his mind.

That was the time when he liked surfing the Internet and loved games.

Out of curiosity, I clicked in and took a look.

But I didn't expect that the current self would be able to re-watch this news from a deeper perspective.

That news was also about the Yanjing electron-positron collider.

It is said that the research team of the Institute of Hematology of the Affiliated Hospital of Shanghai Jiaotong University School of Medicine used Yanjing synchrotron radiation 1W1B-XAFS technology and quantitative fitting calculations to reveal that the oncoprotein PML-RAR is an arsenic agent for the treatment of acute promyelitis. A direct drug target for the leukemia APL.

This is an example of medical science.

Thinking of the news, Chen Zhou couldn't help but look a little weird.

A strange idea popped into his mind.

I don't know if it is feasible to start medical science from a particle accelerator?
I don't know, does this count as directly bypassing the subject of biology?

Shaking his head slightly, Chen Zhou put away his thoughts.

Chen Zhou felt that the particle accelerator is a multidisciplinary research field, just like the aerospace field.

Here, you can not only peek into the world of microscopic particles.

You can also appreciate the interdisciplinary art of...

However, what Chen Zhou didn't notice was that.

Mitch Johnstone looked at him two more times after he made a strange expression.

　Thanks to book friend Yan Hongxue for the 100 starting coins!
　　Thanks to book friend kerrow for the reward of 100 starting coins!
　　
　
(End of this chapter)