Unfolding the Second Riemann sheet with Pade Approximants: hunting resonance poles

Journal Article · Mon May 23 00:00:00 EDT 2011 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3575021· OSTI ID:21513313

Masjuan, Pere ^[1]

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1. Faculty of Physics, University of Vienna. Boltzmanngasse 5, A-1090 Wien (Austria)

Based on Pade Theory, a new procedure for extracting the pole mass and width of resonances is proposed. The method is systematic and provides a model-independent treatment for the prediction and the errors of the approximation.

• OSTI ID: 21513313
• Journal Information: AIP Conference Proceedings, Vol. 1343, Issue 1; Conference: QCHS 9: 9. international conference on quark confinement and the hadron spectrum, Madrid (Spain), 30 Aug - 3 Sep 2010; Other Information: DOI: 10.1063/1.3575021; (c) 2011 American Institute of Physics; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
APPROXIMATIONS
AXIOMATIC FIELD THEORY
ERRORS
FORECASTING
MASS
QUANTUM CHROMODYNAMICS
QUARK MODEL
RESONANCE
RIEMANN SHEET
CALCULATION METHODS
COMPOSITE MODELS
FIELD THEORIES
MATHEMATICAL MODELS
PARTICLE MODELS
QUANTUM FIELD THEORY