theory of unparticles
E557538
The theory of unparticles is a speculative framework in high-energy physics proposing a scale-invariant sector that behaves unlike ordinary particles, potentially leading to distinctive signatures in particle interactions.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
physical theory
ⓘ
speculative high-energy physics theory ⓘ |
| basedOn |
Banks–Zaks type conformal field theory
NERFINISHED
ⓘ
scale-invariant hidden sector ⓘ |
| canCoupleTo | Standard Model fields ⓘ |
| canCoupleVia | higher-dimensional operators ⓘ |
| contrastsWith | standard particle concept ⓘ |
| describes |
hypothetical scale-invariant stuff
ⓘ
sector with no definite particle mass ⓘ |
| extends | Standard Model of particle physics NERFINISHED ⓘ |
| field |
high-energy physics
ⓘ
particle physics ⓘ quantum field theory ⓘ |
| firstPublishedIn | Physical Review Letters NERFINISHED ⓘ |
| hasKeyConcept |
conformal sector
ⓘ
continuous mass spectrum ⓘ effective field theory ⓘ missing energy signatures ⓘ non-integer scaling dimension ⓘ scale invariance ⓘ unparticles ⓘ |
| hasMathematicalFramework | quantum field theory with non-integer operator dimensions ⓘ |
| hasStatus |
not experimentally confirmed
ⓘ
speculative ⓘ |
| implies |
fractional phase space behavior
ⓘ
non-integer effective particle number in processes ⓘ |
| involves |
dimensional transmutation
ⓘ
matching between ultraviolet and infrared theories ⓘ |
| motivatedBy | possibility of new scale-invariant physics at high energies ⓘ |
| predicts |
long-range forces from unparticle exchange
ⓘ
modifications to precision electroweak observables ⓘ new contributions to rare decays ⓘ nontrivial missing energy distributions at colliders ⓘ possible deviations in flavor physics ⓘ unusual kinematic distributions in scattering processes ⓘ |
| proposalYear | 2007 ⓘ |
| proposedBy | Howard Georgi NERFINISHED ⓘ |
| publicationType | research articles ⓘ |
| relatedTo |
beyond Standard Model physics
ⓘ
conformal field theory ⓘ hidden sector models ⓘ scale-invariant dark sector models ⓘ |
| studiedIn |
astrophysics
ⓘ
collider phenomenology ⓘ cosmology ⓘ flavor physics ⓘ |
| usesConcept |
effective operators
ⓘ
infrared fixed point ⓘ operator scaling dimension ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.