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- {{For|all particles|List of particles}} == Elementary particles == ...16 KB (2,149 words) - 23:20, 3 February 2025
- ...electromagnetic waves]], yet such radiation is not observed for stationary particles in gravitational fields. ...1 ''g'' would radiate. However, we do not see radiation from charged particles at rest in the laboratory. It would seem that we could distinguish between ...15 KB (2,369 words) - 22:30, 25 November 2024
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- ...es]]) used to characterize the collision of [[Particle physics|high energy particles]] in a [[collider]]. ...avel in approximately the same direction as the original pair. This set of particles constitutes a jet. ...2 KB (316 words) - 13:26, 24 July 2022
- ...e positions of the particles, with the result that the trajectories of the particles in the system are [[Similarity (geometry)|geometrically similar]] paths, di ...er of particles and assume that the interaction energy between any pair of particles has the form ...1 KB (224 words) - 02:35, 30 June 2023
- ...process|separation]] effect where a dilute suspension of neutrally buoyant particles flowing (in [[laminar flow]]) in a tube equilibrates at a distance of 0.6R ...duces a pressure increase between the particle and the wall which prevents particles of moving closer.<ref>{{cite journal ...2 KB (289 words) - 13:31, 22 March 2023
- ...e theory of the [[electroweak interaction]] using the [[Higgs boson]], all particles have a bare mass of zero. ...1 KB (208 words) - 01:42, 23 May 2024
- ...(cfp's)''' can be used to obtain anti-symmetric many-body states for like particles. In a [[jj-coupling]] scheme they are defined by the following relation. ...ized and totally anti-symmetric with respect to all its {{math|''N'' − 1}} particles.<ref>{{Cite journal |title=Fractional parentage coefficients and their expl ...1 KB (171 words) - 04:44, 24 December 2024
- ...ting for {{val||e=-23|u=[[second]]s}} or less. It is also used to describe particles in intermediate steps of a decay, so-called [[virtual particle]]s.<ref>{{ci *[[List of baryons#Baryon resonance particles|Baryon resonance particles]] ...3 KB (380 words) - 20:33, 3 January 2025
- {{Short description|Amount of particles remaining from the Big Bang}} ...[[weakly interacting massive particles|WIMP]]s (weakly interacting massive particles) in the study of [[dark matter]].<ref>Kim Griest, [http://web.mit.edu/~redi ...2 KB (316 words) - 03:51, 14 June 2022
- ...ch an equilibrium distribution with the region of highest concentration of particles lies between the central axis and the wall of the pipe. ...A. Silberberg. They had been working with dilute suspensions of spherical particles in pipelines. While the particle was flowing through the pipeline, it appea ...3 KB (391 words) - 04:03, 4 August 2022
- ...d ''A''<sub>2</sub> are the [[Relative atomic mass|atomic weights]] of the particles.<ref>{{Cite journal |last=Ulmer |first=W. |date=2007-07-01 |title=Theoretic ...1 KB (177 words) - 09:49, 2 March 2025
- ...pressed air entering and circulating in the mill. Green arrow shows small particles leaving mill.]] ...ow size distribution of the resulting product.<ref name="Wachtman2009" /> Particles leaving the mill can be separated from the gas stream by [[cyclonic separat ...4 KB (680 words) - 04:47, 11 September 2022
- ...on approximation for [[extinction efficiency]] is valid for optically soft particles and large [[size parameter]], x = 2π''a''/λ: ...escribed by van de Hulst.<ref>van de Hulst H., ''Light scattering by small particles'', 1957, John Wiley & Sons, Inc., NY.</ref> There are extensions to more co ...2 KB (352 words) - 19:43, 20 September 2020
- {{Short description|Velocity filter for charged particles}} ...such that particles with the correct speed will be unaffected while other particles will be deflected. It is named for [[Wilhelm Wien]] who developed it in 189 ...4 KB (530 words) - 11:36, 26 August 2024
- {{Short description| Many-body of charged particles}} ...is named after [[Charles-Augustin de Coulomb]], as the force by which the particles interact is also known as the Coulomb force. ...3 KB (499 words) - 15:43, 8 January 2025
- ...928|s2cid=119244999}}</ref><ref>K. Adamiak, "Rate of charging of spherical particles by monopolar ions in electric fields", ...2 KB (213 words) - 09:19, 27 January 2022
- ...te ''λ''. If ''X''(''t'') = ''i'' is defined to be the number of particles in one container at time ''t'', then it is a [[birth–death process]] with [ ...ners at rate one in a second, in the particular case of <math>N=100</math> particles, starting at equilibrium the return to equilibrium is expected to occur in ...5 KB (657 words) - 23:23, 15 May 2024
- ...dditional degree of freedom of the demon does not alter a system with many particles significantly on a macroscopic level. ...sult from different microscopic properties (e. g. velocities of individual particles). Computer simulations of the full equations of motion for every individual ...4 KB (627 words) - 16:16, 7 June 2024
- ...energy with the surroundings as random perturbations on randomly selected particles. This is in contrast to methods such as the [[Nosé–Hoover thermostat]]. ...kly than it would in a real system, due to the random decorrelation of the particles. This effect grows with increasing collision frequency <math>\nu</math>.<re ...3 KB (415 words) - 18:30, 1 January 2025
- ...itonTheorem.svg|thumb|[[Scattering]] of ''n'' incoming and ''m'' outcoming particles with an outgoing [[graviton]] added to one outcoming leg.]] ...outcome of [[Collisions#Physics|collisions]] between [[Subatomic particle|particles]], when low-energy (soft) [[gravitons]] come into play. ...6 KB (915 words) - 03:55, 21 January 2024
- ...ion. For a fast moving particle (that is, one moving much faster than the particles it is moving through) the kinetic diameter is given by,<ref name=Ismail14>I :''n'' is the [[number density]] of particles ...6 KB (856 words) - 12:21, 22 February 2024
- ...authorlink=David J. Griffiths |year=1987 |title=Introduction to elementary particles |publisher=Wiley |location=New York |isbn=978-0-471-60386-3 |page=102}}</re ...2 KB (270 words) - 00:34, 19 July 2022