Looking for meson molecules in B decays

We use the QCD sum rule approach to study a {eta} Prime - {pi} molecular current. We consider an isovector-scalar I{sup G}J{sup PC} = 1{sup -}0{sup ++} molecular current. We work at leading order in {alpha}{sub s} and consider the contributions of condensates up to dimension six. We obtain a mass ar...

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Bibliographic Details
Main Authors: Nielsen, Marina, Navarra, Fernando S., Bediaga, Ignacio
Format: Conference Proceeding
Language:English
Subjects:
ALGEBRAIC CURRENTS
B MESONS
BOUND STATE
ETA MESONS
GEV RANGE
HADRONIC PARTICLE DECAY
ISOVECTORS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
PIONS
QUANTUM CHROMODYNAMICS
REST MASS
SCALARS
SUM RULES
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Summary:We use the QCD sum rule approach to study a {eta} Prime - {pi} molecular current. We consider an isovector-scalar I{sup G}J{sup PC} = 1{sup -}0{sup ++} molecular current. We work at leading order in {alpha}{sub s} and consider the contributions of condensates up to dimension six. We obtain a mass around 1.1 GeV, consistent with a loosely bound state. We discuss the possibility of observing this molecular state in a B threebody hadronic decay.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4804123