0000000000319378

AUTHOR

Paul Eugenio

showing 3 related works from this author

Scalar, axial-vector, and tensor resonances from the rho D-*, omega D-* interaction in the hidden gauge formalism

2009

13 pages, 15 figures.-- PACS nrs.: 13.75.Lb, 12.40.Vv, 12.40.Yx, 14.40.Cs.-- ArXiv pre-print available at: http://arxiv.org/abs/0903.3823

High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)[PACS] Meson-meson interactions (energy ≤ 10 GeV)[PACS] Vector-meson dominanceHigh Energy Physics::Phenomenology0202 electrical engineering electronic engineering information engineeringFOS: Physical sciences[PACS] Other mesons with S=C=0 mass < 2.5 GeVFísica020206 networking & telecommunications020201 artificial intelligence & image processing02 engineering and technology[PACS] Hadron mass models and calculations
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Isospin breaking effects in the dynamical generation of the X(3872)

2010

We have studied isospin breaking effects in the X(3872) resonance and found a natural explanation for the branching fraction of the X decaying to $J/\psi$ with two and three pions being close to unit. Within our framework the X(3872) is a dynamically generated resonance in coupled channels. We also study the relationship between the couplings of the resonance to the coupled channels with its wave function, which further helps us to understand the isospin structure of the resonance.

PhysicsParticle physics010308 nuclear & particles physicsBranching fractionNuclear TheoryFOS: Physical sciences01 natural sciencesResonance (particle physics)High Energy Physics - PhenomenologyPionHigh Energy Physics - Phenomenology (hep-ph)Isospin0103 physical sciencesHigh Energy Physics::Experiment010306 general physicsWave functionX(3872)
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The Y(3940), Z(3930) and the X(4160) as dynamically generated resonances from the vector-vector interaction

2010

We study the vector-vector interaction within the framework of the hidden gauge formalism for the sector with quantum numbers charm C=0 and strangeness S=0 in the region around 4000 MeV. We get five poles, three of which could be identified with the Y(3940), Z(3930) and X(4160). These poles appear with quantum numbers I=0 and $J^{PC}=0^{++},2^{++}$ and $2^{++}$, respectively, and can be considered as hadronic molecules made of $D^*\bar{D}^*$, $D_s^*\bar{D}^*_s$.

High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)0202 electrical engineering electronic engineering information engineeringFOS: Physical sciences020206 networking & telecommunications020201 artificial intelligence & image processing02 engineering and technology
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