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pair production

/pɛr prəˈdʌkʃən/

Meanings
noun

正负电子对产生, 电子对产生

The simultaneous creation of a particle and its antiparticle

Examples :

"High-energy photons interacting with matter can sometimes result in pair production, where an electron and a positron are created. "
高能光子与物质相互作用时，有时会发生电子对产生现象，从而产生一个电子和一个正电子。
physics energy mass science

Related Words

Illustration positron

positron noun

/ˈpɒz.ɪ.tɹɒn/ /ˈpɑ.zɪ.tɹɑn/

正电子，阳电子

"The notion of a positron weapon remains the stuff of science fiction."

关于正电子武器的概念仍然是科幻小说里的东西。

Illustration created

created verb

/kɹiˈeɪtɪd/

创造，创建，制造

"You can create the color orange by mixing yellow and red."

你可以通过混合黄色和红色来创造橙色。

Illustration photons

photons noun

/ˈfoʊtɑnz/ /ˈfoʊtɒnz/

光子，光量子

"Sunlight is made of tiny particles called photons. "

阳光是由被称为光子的微小粒子组成的。

Illustration simultaneous

simultaneous adjective

/sɪm.əlˈteɪ̯n.i.əs/ /ˌsaɪ̯m.əlˈteɪ̯n.i.əs/

同步的，同时的。

"The alarm clock and the baby's cry went off simultaneously. "

闹钟和婴儿的哭声同时响了起来。

Illustration sometimes

sometimes adjective

/ˈsʌmtaɪmz/

以前的，之前的。

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

我以前的邻居，一位退休教师，偶尔还会去学校看看。

Illustration interacting

interacting verb

/ˌɪntəˈræktɪŋ/ /ˌɪnɾəˈræktɪŋ/

互动，相互作用。

"The students are interacting with each other during the group project. "

学生们在小组项目中互相互动。

Illustration particle

particle noun

/ˈpɑːtɪk(ə)l/ /ˈpɑɹtɪkəl/

粒子，微粒

"The scientist studied the tiny particle of dust. "

科学家研究了那颗极其微小的尘埃粒子。

Illustration antiparticle

antiparticle noun

/ˈæntiˌpɑɹtɪkəl/

反粒子，逆粒子

"When a high-energy collision creates an electron, it almost always creates its corresponding antiparticle, a positron, at the same time. "

当高能碰撞产生一个电子时，几乎总是会同时产生它的对应反粒子，也就是正电子。

Illustration energy

energy noun

/ˈɛnəd͡ʒi/ /ˈɛnɚd͡ʒi/

能量，精力，活力

"The children's energy fueled their excitement for the school trip. "

孩子们的活力激发了他们对学校旅行的兴奋之情。

Illustration electron

electron noun

/ɪˈlɛktɹɒn/ /ɪˈlɛktɹɑn/

电子，阴电粒子

"The electrons flowing through the wires in my computer allow me to type this message. "

我电脑里的电线中流动的电子使我能够输入这条信息。

Illustration creation

creation noun

/kɹiːˈeɪʃən/ [kɹiːˈʲeɪʃɘn]

作品，创造物。

"My daughter's clay creation won first prize at the school art show. "

我女儿的泥塑作品在学校艺术展上获得了一等奖。

Illustration production

production noun

/pɹəˈdʌkʃən/

生产，制造。

"The widget making machine is being used for production now."

现在正在用这个小部件制造机进行生产。