particle physics


Definition of particle physics

: a branch of physics dealing with the constitution, properties, and interactions of elementary particles especially as revealed in experiments using particle accelerators

called also high-energy physics

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Other Words from particle physics

particle physicist noun

Examples of particle physics in a Sentence

Recent Examples on the Web Whether there’s a distinction or not, the relationship between particle physics and group theory grew both richer and more complicated over the course of the 20th century. Quanta Magazine, "What Is a Particle?," 12 Nov. 2020 Their experiments, conducted in 1962, were regarded as milestones in particle physics. Washington Post, "Jack Steinberger, Nobel laureate in physics, dies at 99," 17 Dec. 2020 These researchers argue that quantum field theory, the current lingua franca of particle physics, tells far too convoluted a story. Quanta Magazine, "What Is a Particle?," 12 Nov. 2020 Since scientists found the Higgs boson eight years ago, experiments have not shown how to move beyond the Standard Model of particle physics, the main paradigm explaining our shared cosmic underpinnings. Rebecca Boyle, Quanta Magazine, "The Cosmologist Who Dreams in the Universe’s Dark Threads," 5 Nov. 2020 Together, the equations formed a succinct theory now known as the Standard Model of particle physics. Quanta Magazine, "A New Map of All the Particles and Forces," 22 Oct. 2020 Previous data from astrophysical observations and particle physics experiments have put stronger bounds on the strength of a dark force between electrons and neutrons. Daniel Garisto, Scientific American, "Possibility of Dark Bosons Entices Physicists," 30 Sep. 2020 Those tensions came to a head during the last Snowmass effort in 2013, and the subsequent deliberations of the particle physics project prioritization panel (P5), which wrote the road map. Adrian Cho, Science | AAAS, "With to-do list checked off, U.S. physicists ask, ‘What’s next?’," 2 Oct. 2020 The Higgs boson, discovered at CERN in 2012, was the final missing particle in the Standard Model of particle physics. Sabine Hossenfelder, Scientific American, "The World Doesn't Need a New, Gigantic Particle Collider," 19 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'particle physics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of particle physics

1946, in the meaning defined above

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Time Traveler for particle physics

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The first known use of particle physics was in 1946

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Statistics for particle physics

Last Updated

7 Jan 2021

Cite this Entry

“Particle physics.” Dictionary, Merriam-Webster, Accessed 19 Jan. 2021.

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