Recent Examples of antiparticle from the Web
The intensity is large enough that electrons and their antiparticle, positrons, are produced from the vacuum.
By smashing together electrons and their antiparticle, positrons, the experiments produced large numbers of Y(4260), which lives for only 10-23 seconds before falling apart into other particles.
This means there have to be some differences between particles and antiparticles, and some new physics to explain those differences.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antiparticle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of antiparticle
Learn More about antiparticle
Britannica.com: Encyclopedia article about antiparticle
Seen and Heard
What made you want to look up antiparticle? Please tell us where you read or heard it (including the quote, if possible).