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...has never been experimentally observed and is predicted to be mediated by hypothetical [[X and Y bosons]]. Many [[proton decay|protonic decay]] modes have been pr == Values of X charge for known elementary particles == ...

{{Short description|Hypothetical particle}} ...hesis, there is a long-range very weak field generated by [[hypercharge]]d particles (for example, [[baryon]]s), whose quantum carrier is a hyperphoton, which a ...

{{Short description|Hypothetical form of matter}} In [[physical cosmology]], a '''cosmon''' or '''cosmonium''' is a hypothetical form of matter. The idea was originally proposed by [[Georges Lemaître]], w ...

{{For|all particles|List of particles}} This is a list of hypothetical [[subatomic particle]]s in [[physics]]. ...

...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. ...

{{Short description|Hypothetical gravitational particle}} | status = Hypothetical ...

{{short description|Hypothetical particle dual to the photon}} ...| mass = | mean_lifetime = | decay_particle =| electric_charge = 0 [[elementary charge|''e'']]| color_charge =| spin = 1}} ...

{{short description|Hypothetical scalar particle that couples to matter more weakly than gravity}} | status = Hypothetical ...

{{Short description|Hypothetical particle found in supergravity}} | composition = [[Elementary particle]] ...

| composition = [[Elementary particle]] ...ns/|access-date=2021-01-15|website=CERN Courier|language=en-GB}}</ref> The hypothetical particle was denoted by the [[Greek alphabet|Greek]] letter [[Digamma|Ϝ]] ( ...

{{Short description|Hypothetical particles in physics}} | composition = [[Elementary particle]] ...

{{short description|Hypothetical force carrier particle connected to dark matter}} ...i.e., the dark photon) can then couple very weakly to electrically charged particles through kinetic mixing with the ordinary photon<ref name=":1">{{Cite journa ...

In all composite Higgs models the Higgs boson is not an [[elementary particle]] (or point-like) but has finite size, perhaps around 10<sup>−18< ...mposite Higgs, analogous to the resonances in [[nuclear physics]]. The new particles could be produced and detected in collider experiments if the energy of the ...

...number of [[subatomic particles]] in the visible universe or the number of hypothetical possibilities in a [[chess]] game. Kasner used it to illustrate the differe [[Carl Sagan]] pointed out that the total number of elementary particles in the universe is around 10⁸⁰ (the [[Eddington number]]) and th ...

{{Short description|Hypothetical spacecraft propulsion concept using external force fields momentum for tran ...raft. The last two actually involve the exchange of momentum with physical particles and are not usually expressed as an interaction with fields, but they are s ...

...one break a symmetry and at the same time not introduce unwanted zero-mass particles. The resolution of this dilemma lies in the observation that in the case of ...d great promise for unified theories, also seemed to predict known massive particles as massless.<ref name=woit> ...

...|author=Chung, D.-Y. |year= 2000 |title= The Periodic Table of Elementary Particles |eprint=physics/0003023}}</ref> | width=60em style="font-size:90%" |The Kronecker product of a hypothetical four-element periodic chart. The sixteen molecules, some of which are redun ...

...rrent best measured limit for ''d''_n is {{val|0.0|1.1|e=-26|u=[[Elementary charge|''e'']]⋅cm}}.<ref name=":0">{{cite journal ...ining the neutron's [[Nucleon magnetic moment|magnetic dipole moment]] and hypothetical electric dipole moment. Under time reversal, the [[Magnetic moment|magnetic ...

...|last1=Georgi |first1=H. |last2=Glashow |first2=S. L. |title=Unity of All Elementary Forces |journal=Phys. Rev. Lett. |date=1974 |volume=32 |pages=438–441 |doi= ...minimal scenario, and is modified by the presence of additional fields or particles. Particle physics models which account for [[dark matter]] or which lead to ...

{{defn|{{main|Axino}} A hypothetical supersymmetric partner of an axion.}} {{defn|{{main|Axion}} A hypothetical scalar particle whose mass arises from a coupling rather than from a mass t ...