0000000000429334

AUTHOR

A. Hosaka

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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Quantum loops in radiative decays of the a(1) and b(1) axial-vector mesons

2007

10 pages, 4 figures.-- ISI Article Identifier: 000251895400004.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0611075

High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)Scalar mesonsChiral perturbation theoryFOS: Physical sciencesFísicaUnitary approach
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Magnetic moments of the Lambda(1405) and Lambda(1670) resonances

2002

By using techniques of unitarized chiral perturbation theory, where the $\Lambda(1405)$ and $\Lambda(1670)$ resonances are dynamically generated, we evaluate the magnetic moments of these resonances and their transition magnetic moment. The results obtained here differ appreciably from those obtained with existing quark models. The width for the $\Lambda(1670) \to \Lambda(1405) \gamma$ transition is also evaluated leading to a branching ratio of the order of $2 \times 10^{-6}$.

Nuclear Theory (nucl-th)High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)Nuclear TheoryNuclear momentsMoments nuclearsHigh Energy Physics::PhenomenologyPerturbation (Quantum dynamics)FísicaFOS: Physical sciencesPertorbació (Dinàmica quàntica)
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