χc1 decays into a pseudoscalar meson and a vector-vector molecule

We evaluate ratios of the χc1 decay rates to η (η′, K−) and one of the f0(1370), f0(1710), f2(1270), f2′(1525), K2*(1430) resonances, which in the local hidden gauge approach are dynamically generated from the vector-vector interaction. With the simple assumption that the χc1 is a singlet of SU(3),...

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Published in:Physical review. D 2019-12, Vol.100 (11), p.1
Main Authors: Ikeno, Natsumi, Dias, Jorgivan M, Liang, Wei-Hong, Oset, Eulogio
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Decay rate
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Dias, Jorgivan M
Liang, Wei-Hong
Oset, Eulogio
description We evaluate ratios of the χc1 decay rates to η (η′, K−) and one of the f0(1370), f0(1710), f2(1270), f2′(1525), K2*(1430) resonances, which in the local hidden gauge approach are dynamically generated from the vector-vector interaction. With the simple assumption that the χc1 is a singlet of SU(3), and the input from the study of these resonances as vector-vector molecular states, we describe the experimental ratio B(χc1→ηf2(1270))/B(χc1→η′f2′(1525)) and make predictions for six more ratios that can be tested in future experiments.
doi_str_mv 10.1103/PhysRevD.100.114011
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title χc1 decays into a pseudoscalar meson and a vector-vector molecule
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