| Extracting the light quark mass ratio m(u)/m(d) from bottomonia transitions. | |
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MedLine Citation:
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PMID: 21230963 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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We propose a new method to extract the light quark mass ratio m(u)/m(d) using the Υ(4S)→h(b)π⁰(η) bottomonia transitions. The decay amplitudes are dominated by the light quark mass differences, and the corrections from other effects are rather small, allowing for a precise extraction. We also discuss how to reduce the theoretical uncertainty with the help of future experiments. As a by-product, we show that the decay Υ(4S)→h(b)η is expected to be a nice channel for searching for the h(b) state. |
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Authors:
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Feng-Kun Guo; Christoph Hanhart; Ulf-G Meissner |
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Publication Detail:
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Type: Journal Article Date: 2010-10-14 |
Journal Detail:
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Title: Physical review letters Volume: 105 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2011-01-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 162001 Citation Subset: - |
Affiliation:
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Institut für Kernphysik and Jülich Center for Hadron Physics, Forschungszentrum Jülich, D-52425 Jülich, Germany. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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