Edinburgh, United Kingdom

Particle Physics

Language: English Studies in English
Subject area: physical science, environment
University website: www.ed.ac.uk
Doctor of Philosophy (PhD)
Doctor of Philosophy (PhD)
Particle
In the physical sciences, a particle (or corpuscule in older texts) is a small localized object to which can be ascribed several physical or chemical properties such as volume, density or mass. They vary greatly in size or quantity, from subatomic particles like the electron, to microscopic particles like atoms and molecules, to macroscopic particles like powders and other granular materials. Particles can also be used to create scientific models of even larger objects depending on their density, such as humans moving in a crowd or celestial bodies in motion.
Particle Physics
Particle physics (also high energy physics) is the branch of physics that studies the nature of the particles that constitute matter and radiation. Although the word "particle" can refer to various types of very small objects (e.g. protons, gas particles, or even household dust), "particle physics" usually investigates the irreducibly smallest detectable particles and the fundamental interactions necessary to explain their behaviour. By our current understanding, these elementary particles are excitations of the quantum fields that also govern their interactions. The currently dominant theory explaining these fundamental particles and fields, along with their dynamics, is called the Standard Model. Thus, modern particle physics generally investigates the Standard Model and its various possible extensions, e.g. to the newest "known" particle, the Higgs boson, or even to the oldest known force field, gravity.
Physics
Physics (from Ancient Greek: φυσική (ἐπιστήμη), translit. physikḗ (epistḗmē), lit. 'knowledge of nature', from φύσις phýsis "nature") is the natural science that studies matter and its motion and behavior through space and time and that studies the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.
Physics
All science is either physics or stamp collecting.
As quoted in Rutherford at Manchester (1962) by J. B. Birks
Physics
The "paradox" is only a conflict between reality and your feeling of what reality "ought to be."
Richard Feynman, The Feynman Lectures on Physics (1964) Volume III, p. 18-9
Physics
The physical doctrine of the atom has got into a state which is strongly suggestive of the epicycles of astronomy before Copernicus.
Alfred North Whitehead, Science and the Modern World (1925)
Different regions and economic sectors are dealing with the impact of climate change in different ways. A framework to optimise these responses under different scenarios has been developed under the auspices of an EU-funded initiative.
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