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Ali, Ahmed; Hambrock, Christian; Wang, Wei; Bonn Univ.
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)2013
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)2013
AbstractAbstract
[en] Based on the non-relativistic QCD factorization scheme, we study the hadroproduction of the bottomonium states Υ(5S) and Υ(6S). We argue to search for them in the final states Υ(1S,2S,3S)π+π-, which are found to have anomalously large production rates at Υ(5S). The enhanced rates for the dipionic transitions in the Υ(5S)-energy region could, however, also be ascribed to Yb(10890), a state reported by the Belle collaboration, which may be interpreted as a tetraquark. The LHC/Tevatron measurements are capable of making a case in favor of or against the existence of Yb(10890), as demonstrated here. Dalitz analysis of the Υ(1S,2S,3S)π+π- states from the Υ(5S)/Yb(10890) decays also impacts directly on the interpretation of the charged bottomonium-like states, Zb(10600) and Zb(10650), discovered by Belle in these puzzling decays.
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Source
Jun 2013; 4 p; DO-TH--13-15; ISSN 0418-9833; 

Record Type
Report
Literature Type
Numerical Data
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DALITZ PLOT, DIFFERENTIAL CROSS SECTIONS, FACTORIZATION, HADRON-HADRON INTERACTIONS, HADRONIC PARTICLE DECAY, INCLUSIVE INTERACTIONS, INTEGRAL CROSS SECTIONS, PAIR PRODUCTION, PARTICLE STRUCTURE, PROTON-ANTIPROTON INTERACTIONS, PROTON-PROTON INTERACTIONS, QUANTUM CHROMODYNAMICS, TEV RANGE 01-10, TEV RANGE 10-100, THEORETICAL DATA, TRANSVERSE MOMENTUM, UPSILON-10860 MESONS, UPSILON-11020 MESONS
BARYON-BARYON INTERACTIONS, BOSONS, BOTTOMONIUM, CROSS SECTIONS, DATA, DECAY, DIAGRAMS, ELEMENTARY PARTICLES, ENERGY RANGE, FIELD THEORIES, HADRON-HADRON INTERACTIONS, HADRONS, INFORMATION, INTERACTIONS, LINEAR MOMENTUM, MESONS, NUCLEON-ANTINUCLEON INTERACTIONS, NUCLEON-NUCLEON INTERACTIONS, NUMERICAL DATA, PARTICLE DECAY, PARTICLE INTERACTIONS, PARTICLE PRODUCTION, PROTON-NUCLEON INTERACTIONS, QUANTUM FIELD THEORY, QUARKONIUM, SCATTERPLOTS, TEV RANGE, VECTOR MESONS
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