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- {{Short description|Species of elementary particle}} ...with ''flavour [[quantum number]]s'' that are assigned to all [[subatomic particle]]s. They can also be described by some of the [[family symmetries]] propose ...24 KB (3,484 words) - 02:18, 22 February 2024
- {{Nuclear physics}} ...mmarizes [[equation]]s in the theory of [[nuclear physics]] and [[particle physics]].<!--very skimpy for now, will add much more soon--> ...12 KB (1,744 words) - 18:33, 13 December 2023
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- {{About|the pitch angle of a charged particle|Pitch angle in engineering|Pitch angle (engineering)}} The '''pitch angle''' of a [[charged particle]] is the angle between the particle's velocity vector and the local [[magnetic field]]. This is a common measu ...2 KB (380 words) - 20:14, 30 October 2023
- In strong-field [[laser physics]], '''ponderomotive energy''' is the cycle-averaged quiver energy of a free In terms of the laser [[Intensity (physics)|intensity]] <math>I</math>, using <math>I=c\epsilon_0 E^2/2</math>, it rea ...3 KB (435 words) - 12:56, 13 April 2023
- ...moving on a circular path. It is named after the [[cyclotron]], a cyclic [[particle accelerator]] that utilizes an oscillating electric field tuned to this res ...e and direction). Since that motion is always circular,<ref name="Physics">Physics by M. Alonso & E. Finn, Addison Wesley 1996.</ref> the cyclotron frequency ...4 KB (555 words) - 10:35, 1 December 2023
- {{Short description|Particle creation energy in physics}} ...eshold energy is significantly greater than the rest energy of the desired particle. ...5 KB (810 words) - 03:51, 28 April 2023
- ...th>\vec{F}</math>, where <math>\vec{F}(\vec{x})</math> is the force that a particle would feel if it were at the point <math>\vec{x}</math>.<ref>[https://books ...h> points away from the particle. The gravitational force experienced by a particle of light mass ''m'', close to the surface of [[Earth]] is given by <math>\v ...4 KB (674 words) - 04:41, 3 October 2023
- |title=The Basics of Physics |title=Preparation for Introductory College Physics: A Guided Student Primer ...3 KB (453 words) - 05:09, 25 January 2024
- ...light in this context is described as consisting of [[elementary particle|particle]]s, i.e., [[photon]]s.) Typical absorption cross section has units of cm<su ...n the context of [[nuclear engineering]] it refers to the probability of a particle (usually a [[neutron]]) being absorbed by a nucleus. Although the units ar ...4 KB (606 words) - 17:54, 10 January 2024
- ...icle]] species) and use the fact that two parity transformations leave the particle in the same state, thus the new wave function can differ by only a phase fa ...have the opposite parity.<ref name="Shaw 2017">{{cite book |title=Particle Physics |last1=Martin |first1=Brian R. |last2=Shaw |first2=Graham |year=2017 |editi ...3 KB (420 words) - 15:41, 19 November 2023
- ...cle physics]], where the availability of particular kinds of telescopes or particle accelerators acts as a constraint on the types of experiments that can be d ...2 KB (230 words) - 02:59, 29 November 2022
- {{Short description|Hypothetical particle in gravity theories}} ...ntum physics]], a '''graviphoton''' or '''gravivector''' is a hypothetical particle which emerges as an excitation of the [[metric tensor]] (i.e. gravitational ...3 KB (408 words) - 09:03, 13 November 2022
- {{Short description|Aspect of condensed matter physics}} ...e context of [[condensed matter physics]] refers to the probability of a [[particle]] (usually an [[electron]]) being emitted from its [[electronic state]]. ...2 KB (277 words) - 15:45, 20 July 2022
- In [[theoretical physics]], an '''invariant''' is an [[observable]] of a [[physical system]] which r ...l physics, and many theories are expressed in terms of their [[symmetry in physics|symmetries]] and invariants. ...4 KB (590 words) - 03:10, 4 July 2023
- ...ractions]] which occur in a short period of [[time]]. The strangeness of a particle is defined as: ...Production in Heavy-Ion Collisions|journal=[[Annual Review of Nuclear and Particle Science]]|language=en|volume=50|issue=1|pages=299–342|doi=10.1146/annurev.n ...7 KB (946 words) - 18:24, 10 January 2024
- ...e ''axial charge''. Further, just as the motion of an electrically charged particle produces an [[electric current]], a moving axial charge constitutes an axia ...represented by [[Dirac spinor]] (since the particle is typically a [[Spin (physics)|spin]]-1/2 [[fermion]]) and <math> \gamma^5 </math> and <math> \gamma^\mu ...8 KB (1,104 words) - 04:24, 12 February 2024
- ...rence S. Lerner. [https://books.google.com/books?id=Nv5GAyAdijoC&pg=PA1073 Physics for Scientists and Engineers, Volume 2, page 1073]. 1997.</ref> If a [[cent ...re referred to as ''[[massless particle|massless]]''. A physical object or particle moving faster than the speed of light would have space-like four-momenta (s ...13 KB (2,102 words) - 02:28, 2 January 2024
- ...connection affects the oscillatory pattern of both objects. In [[particle physics]], <dfn>two particles are coupled </dfn>if they are connected by <dfn>one o If two [[Waves (physics)|waves]] are able to transmit [[energy]] to each other, then these waves ar ...9 KB (1,372 words) - 07:18, 25 January 2024
- {{For|other examples of "work" in physics|Work (physics)}} ...formed by an [[electric field]] on a charged particle in its vicinity. The particle located experiences an interaction with the electric field. The work per un ...6 KB (912 words) - 11:14, 14 November 2023
- {{Main|Operator (physics)}} ...nction (the [[probability amplitude]] for different [[Configuration space (physics)|configurations]] of the system) <math display="block">\Psi\left(\mathbf{r} ...8 KB (1,180 words) - 12:08, 14 December 2023
- ...cal mobility of an [[electron]] or [[electron hole|hole]] in [[solid-state physics]]|Electron mobility}} When a [[charged particle]] in a [[gas]] or [[liquid]] is acted upon by a uniform [[electric field]], ...7 KB (1,047 words) - 04:46, 4 June 2023
- {{Short description|Physics property associated with symmetries}} {{About|charge in the most general physics sense|charge as relates to electrical phenomena|electric charge|other uses ...9 KB (1,310 words) - 11:28, 22 December 2023
