I Don’t Want to Win Lying Down

The voice just fell,

Xu Mang silently turned on his beast mode, and the former king speed reappeared in everyone’s field of vision. The hand speed was so fast that everyone could only see the afterimage of Xu Mang’s continuous waving arm. .

This...what is this doing?

are you crazy?

In an instant... the hall boiled like boiling water, and everyone present exclaimed, their eyes filled with panic, their expressions were a little unbelievable, and even a little confused.

so fast!

This is the speed of the miracle?

Before they could fully react, everyone saw that Xu Mang was about to finish writing the last blackboard. Finally, he wrote a value-0.833, in femtometers in a corner at the bottom.

"???"

"???"

"???"

This number surprised many people, especially the researcher at the Jefferson Laboratory of the National Department of Energy. The radius value calculated by Xu Mang was full of consternation, because it was completely different from the value measured by the accelerator.

"End!"

"In my place... the final value of the proton radius is 0.833 femtometers." Xu Mang put down the pen in his hand, looked back at Henry Mirren, and said calmly: "Professor Henry... I don't know the result of my calculation. , Is it consistent with your measured results."

At this time,

The researchers who studied the proton radius did not speak. They looked at the number on the blackboard and felt unprecedented fear for a while. Why is it 0.833? Could it be Professor Xu Mang who made the calculation wrong?

Obviously,

The value measured by the Jefferson Laboratory of the National Energy Department using the accelerator is completely different from the value obtained by Xu Mang using pure mathematics. Many people in the audience have seen this, but why don't you say it out loud?

at last,

The middle-aged man opened his mouth and said: "Professor Xu Mang...Did you make a mistake? This is different from the value we measured. We used the CEBAF accelerator to measure the proton radius, and the value obtained was 0.84184 femtometers."

"Wrong?"

"It should be impossible." Xu Mang shook his head and said seriously: "I want to make a mistake, but it's difficult... Anyway, my result is 0.833 femtometers, no matter how many you are, it has nothing to do with me. Of course...According to history, the mystery of the proton radius will only get smaller and smaller, and finally reach my value."

Although 0.84184 and 0.833 look similar, they are actually quite different. Researchers at the Jefferson Laboratory of the National Department of Energy were a bit at a loss. Their faces lost their smiles. They were supposed to laugh a lot, but they all laughed. Can't laugh.

This...

How did you get the value?

Are we wrong?

An absurd idea appeared in the minds of every researcher in the Jefferson Lab. Indeed, as Xu Mang said, the proton radius was constantly shrinking, from 0.8768 to 0.84184, and then to the latest 0.833.

The footprint of history tells others that 0.833 will become the proton radius value for a period of time, but it is definitely not the final number.

Damn it!

How is this done? !

"No no no!"

"I absolutely don't believe this is true." A certain extremist researcher shouted at Xu Mang: "It must be your calculation error. We used the latest'PR' experiment to get the proton radius, you. .. You rely on limited data, and then use pure mathematics to calculate...how is it possible?!"

For a while,

There was a little uproar in the audience, and gradually many people began to question Xu Mang's correctness. They needed an explanation, a convincing explanation.

unfortunately,

Xu Mang did not give an explanation.

"cut!"

"Then you guys study hard and work hard to get to the value of 0.833." Xu Mang twisted his neck and said calmly: "It's almost over... I have dinner, and the problem is solved for you. Then it's time to say goodbye. ."

"Bye!"

Words fall,

Xu Mang left here straight away, and then the Chinese delegation also chose to leave.

"impossible!"

"This is absolutely impossible!" The extremist researcher present stood in front of Xu Mang's blackboard, staring at the above paragraphs of calculations, his pupils shrank slightly, and his mouth kept repeating his previous words.

impossible,

Absolutely impossible!

For this researcher, he could not accept the facts in front of him. After all, the content presented on the blackboard subverted his original concept of physics and, incidentally, overturned his own research results in this field.

At this time,

Henry Mirren hurriedly found the head of Jefferson's lab, the middle-aged man.

"This...Is the number calculated by Xu Mang correct?" Henry Mirren asked, "Are you wrong or did he calculate it wrong?"

"I do not know..."

"Although I don't really want to admit it... but I feel..." The middle-aged man stared at the blackboard, his expression was a little complicated, and said: "Professor Henry...I need to do it again with my team. measuring."

"it is good!"

Words fall,

Henry Mirren also looked at the blackboard. The **** content on it made him suspicious of the world. He even felt that he had been abandoned by mathematics. This paragraph of calculations is obscure, let alone calculations... Can't understand.

Fortunately in misfortune,

There is no reporter at the scene, otherwise... today will be the most humiliating day in American physics.

.at the same time,

"Professor Xu?"

"Your calculation result... is it correct?" Xiao Han asked curiously: "Really... we can't even read what you are doing. It really depends on pure mathematics. To find an unsolved mystery in the field of physics?"

"Uh..."

"Almost." Xu Mang thought for a while and said with a grin: "But we don't have to worry about it. America will definitely find ways to solve this problem, but the final number must be 0.833 femtometers."

"This... how did this come out?" another woman with glasses asked: "Now we are so confused, we don't know what happened, just looking at you in front of the blackboard and writing After a calculation, the result is a value."

Xu Mang shrugged, and said helplessly, "Then figure out the math."

"..."

"..."

"..."

God!

Who doesn't want to figure it out? But even if he understands it, it is estimated that he will not reach half the height of Professor Xu Mang.

"Ugh?"

"That's not right!"

"Professor Xu... we seem to have suffered a big loss!" A young man frowned and said with a displeased look: "If they take your calculations as their own, this...this Isn’t it a disadvantage? It’s obviously your credit."

"What is the radius of the proton, I am actually not at all interested, how much it loves." Xu Mang shrugged, and responded calmly: "Just do them... tomorrow, the last thing will be done, the day after tomorrow. We returned home and I booked you all first-class tickets."

Damn it!

I was so happy to go out with Professor Xu, not only to gain knowledge in the world, but also to get a free first-class ticket.

The United States is flying to China!

It's really expensive!

...

In fact, Xu Mang had completely expected it. At the end of the same day, all the researchers in the Jefferson Lab returned to their work place. By the way, some people were called back to the conference room from home at 10 o’clock in the evening to discuss and discuss together. Modify the next experiment.

at first,

In the PR experiment, the experimenter emits a beam of electrons to the hydrogen molecule, and measures how the direction of movement of some electrons is deflected, and then extrapolates the experimental data to a lower electron energy to determine the proton radius.

But this means that some theoretical assumptions must be made that may distort the final result, and perhaps the problem is here.

The theoretical assumption is wrong...

finally,

After contemplation, the researchers in Jefferson Lab decided to inject hydrogen molecules directly into the vacuum tube through the electron beam instead of keeping the hydrogen molecules in a metal container like many previous experiments.

This means that no electrons will hit the metal and interfere with the measurement results. At the same time, it measures how the electron beam scatters both the protons in the hydrogen atoms and the electrons in the hydrogen atoms.

The purpose of distinguishing these two types of scattering is to eliminate a major source of error.

The density of hydrogen atoms fluctuates.

"Ahem!"

"After fighting for one night, everyone took a morning break, and in the afternoon, we conducted a new experiment."

but,

No one wants to go to sleep,

Everyone is looking forward to the results of the experiment, whether the final number is 0.833 femtometers.

Without any choice,

The new experiment was carried out all night without rest, but according to previous experience, the experiment took about three hours from start to completion, or even more than three hours.

"Speaking..."

"What do you think is the end result?" a researcher asked his colleague next to him: "It's also...you just came in the morning."

"What happened yesterday?"

The confused researcher asked anxiously: "It seems...Professor Xu Mang proposed a new concept, right?"

New concept?

He directly overturned the research results of others.

"Ugh..."

“It’s hard to say anything. In short, Professor Xu Mang overturned our test data~www.wuxiaspot.com~ The researcher said bitterly: “He only relied on the information we provided, and then used purely mathematical calculations to get a proton radius of 0.833 fly M's conclusion. "

"what?"

"This... are you telling a story?"

"Story... If all this is a story, that would be great..." The researcher sighed and said helplessly: "I have a bad hunch... Maybe a brand new PR experiment, The measured result may be...0.833."

This is not a false statement.

What theoretical physicists are best at is using numbers, formulas, ideas, and logic in the tip of a pen to prove the truth of everything. As a famous theoretical physicist in the world, Professor Xu Mang has this ability.

......

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