학술논문
Are there S = -2 pentaquarks?
Document Type
Article
Author
Source
Subject
*BARYONS
*QUARKS
*PARTICLES (Nuclear physics)
*SPECTRUM analysis
*NUCLEAR physics
*HEAVY particles (Nuclear physics)
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*
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Language
ISSN
1434-6044
Abstract
Recent evidence for pentaquark baryons in the channels,and their anti-particles claimed by the NA49 collaboration is critically confronted with the vast amount of existing data onspectroscopy which was accumulated over the past decades. It is shown that the claim is inconsistent with these data. In addition two further exotic channels of the pentaquark type available in the NA49 data are investigated. It is argued that this study leads to internal inconsistency with the purported signals. [ABSTRACT FROM AUTHOR]