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Antiprotons

美英
  • n.【物】反质子

复数：antiprotons

AntiprotonsAntiprotons
英-汉英-英网络释义

Antiprotons

反质子

质子（阳子）（Protons）、反质子（Antiprotons）入此

例句：
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To make cold antihydrogen, the experimenters must slow down the antiprotons to a temperature similar to that of the positrons.
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The antiprotons are then pushed into the same trap as the positrons and left to mingle for a second or so.
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It has developed better techniques for cooling both positrons and antiprotons, which should allow it to trap more anti-atoms.
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Successive bunches of antiprotons from the Antiproton Decelerator can be added to the trap, a process invented by TRAP called stacking.
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A chain of reactions, starting with a beam of laser-excited cesium atoms, transfers the positrons to the antiprotons to form antihydrogen.
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Coaxing hot and bothered antiprotons and positrons to couple is quite a task.
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Pairs of protons and antiprotons are also directly produced in the cosmic ray collisions with the atmosphere.
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To trap antiprotons, one would have to reverse the electric field, thus inverting the potential.
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Physicists have long suspected that antiprotons must become trapped in a belt around Earth. Now they've found it.
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The antineutrons escape the atmosphere and then decay into antiprotons at much higher altitudes.
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After a collection period, these antiprotons are released and detected by their annihilations on the nearby walls.
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Antiprotons are particles with the same mass as more familiar protons but with opposite charge.
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This constitutes "the most abundant source of antiprotons near the Earth" , say the PAMELA team.
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This process produces, among other particles, a high-energy pulse of antiprotons.

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