antiproton

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an·ti·pro·ton

 (ăn′tē-prō′tŏn′, ăn′tī-)
n.
The antiparticle of the proton.

antiproton

(ˈæntɪˌprəʊtɒn)
n
(Atomic Physics) the antiparticle of the proton; a particle having the same mass as the proton but an equal and opposite charge

an•ti•pro•ton

(ˈæn tiˌproʊ tɒn, ˈæn taɪ-)

n.
the antiparticle of the proton, having negative charge but the mass and spin of the proton.
[1935]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.antiproton - an unstable negatively charged proton; the antiparticle of a proton
nucleon - a constituent (proton or neutron) of an atomic nucleus
Translations
References in periodicals archive ?
With our work we are taking the second route, and we hope in the future to do similar experiments with antiprotons using the same technique.
To address these questions, Puma explores a new way to study radioactive nuclei produced at very low kinetic energy: The interaction of antiprotons with unstable nuclei.
28), annihilating each other and in the process producing gamma rays and energetic particles, such as positrons and antiprotons (the antimatter equivalents of electrons and protons, respectively).
FAIR will be an accelerator facility which will conduct experiments involving antiprotons and ions in the fields of nuclear, atomic and anti-matter physics, hadron and particle physics, high-density plasma physics and applications in condensed matter physics, and biology and biomedical sciences.
The group around Sven Sturm and Klaus Blaum from MPIK Heidelberg that did the measurement has great expertise with carbon, whereas the BASE group contributed proton expertise based on 12 years dealing with protons and antiprotons.
Tightly bunched antiprotons stick together, just like their proton cousins.
2]uHAN)- A team of physicists announced a huge breakthrough in the understanding of antimatter by being the first to measure interaction between antiprotons, hailed as a potential and powerful new source of energy.
u] corresponds on average to about one half proton mass per cubic meter of universe and that (3,12) hold identically while considering the mass of antiprotons.
The experiment captures antiprotons and combines them with antielectrons (positrons) to make antihydrogen atoms, which are stored and studied for a few seconds in a magnetic trap.
Due to the energy needed to make the antiprotons the research is conducted using accelerators at CERN in Geneva.
US scientists have collided protons with antiprotons to discover how matter gathered mass after the Big Bang, 13 million years ago.
In that perhaps-opaque phrase, "cooling" refers to imposing order on a swarm of unruly particles antiprotons required for the experiment.