Z particle
noun
: a neutral elementary particle about 90 times heavier than a proton that along with the W particle is a transmitter of the weak force
called also Z0, Z0 particle
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The Z particle is electrically neutral, and an exchange of such particles is known as a neutral current.
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Washington Post, 26 July 2021
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Washington Post, 26 July 2021
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“Z particle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Z%20particle. Accessed 1 Jul. 2025.
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