On the ambiguity of the interfering resonances parameters determination

2007/10/30 by A. D. Bukin, Bukin, A. D. · 2 citations
Computer Science · Physics and Astronomy · #Ambiguity #Computer science #Data Analysis #Environmental science #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #Sensor Technology and Measurement Systems #Statistics and Probability (physics.data-an) #hep-ex #hep-ph #physics.data-an

paper · pdf · doi:10.48550/arxiv.0710.5627

43 pages, 15 tables, 16 figures

arxiv created 2007/10/30 · openalex publication_date 2007/10/30 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

In this paper the interfering resonances parameters determination ambiguity is considered. It is shown that there are two solutions for two fixed width resonances. Analytical relation between different solutions is derived. Numeric experiments for fixed width three and four resonances, and for model energy-dependent width two resonances confirm ambiguity of the resonances parameters determination.

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• On the ambiguity of determination of interfering resonances parameters
• Selecting the physical solution via η-η' mixing

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