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Colored Unparticles

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arxiv 0708.0005 v1 pith:W2SD3GEG submitted 2007-08-01 hep-ph

Giacomo Cacciapaglia , Guido Marandella , John Terning This is my paper · ORCID
classification hep-ph
keywords unparticlesfieldscalarapproximateargumentcancellationscarrycase
verification ladder T0 review T1 audit T2 compute T3 formal

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We examine a scenario where the new physics at the LHC includes an approximate conformal field theory, where some of the degrees of freedom (aka "unparticles") carry a color charge. We present a simple argument showing that the production cross section for scalar unparticles mediated by a gauge interaction is given by (2-d) times the standard particle expression, where d is the scaling dimension of the unparticle field. We explicitly check that this is indeed the case, which involves non trivial cancellations between different Feynman diagrams, for the process q qbar to scalar unparticles.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Strongly Coupled Sectors in Inflation: Gapless Theories and Unparticles

    hep-th 2025-03 unverdicted novelty 7.0 of 10

    Computes inflationary bispectra and trispectra from tree-level unparticle exchanges using Mellin-Barnes methods and symmetry-based differential equations, revealing that full shapes are needed to distinguish unparticl...

  2. Enabling Strong Neutrino Self-interaction with an Unparticle Mediator

    hep-ph 2025-01 conditional novelty 7.0 of 10

    An unparticle mediator with a continuous mass spectrum can realize strong neutrino self-interactions while evading BBN/CMB and IceCube constraints.

  3. Phenomenology of a Kinetic Higgs Portal

    hep-ph 2025-10 conditional novelty 6.0 of 10

    A momentum-dependent Higgs portal can hide invisible decays, make four-top production the most sensitive probe, and open a dark-matter region immune to direct detection.

  4. Quantum Critical Higgs: From AdS$_5$ to Colliders

    hep-ph 2019-08 conditional novelty 6.0 of 10

    In QCH models the large enhancement expected in gg to ZZ cancels once the correct i epsilon branch is used, while gg to HZ develops an order-of-magnitude excess at high invariant mass.

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