S wave hidden charm–hidden strangeness production in e+e− annihilation

M. B. Voloshin

doi:10.1016/j.physletb.2018.06.058

S wave hidden charm–hidden strangeness production in e⁺e⁻ annihilation

M. B. Voloshin

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

It is suggested that the recently observed enhancement of the relative yield in e⁺e⁻ annihilation of states with hidden charm and hidden strangeness above 4.43 GeV is associated with the S wave production of the charmed strange meson pairs D_s0(2317)D¯_s ^⁎+c.c. and D_s1 ^⁎(2460)D¯_s+c.c. This mechanism implies a pattern of breaking of the Heavy Quark Spin Symmetry (HQSS) that can be tested in the final channels such as η_c(1S)ϕ h_c(1P)η h_c(1P)η^′ produced in the same energy range.

Original language	English (US)
Pages (from-to)	175-177
Number of pages	3
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	783
DOIs	https://doi.org/10.1016/j.physletb.2018.06.058
State	Published - Aug 10 2018

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© 2018 The Author

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AB - It is suggested that the recently observed enhancement of the relative yield in e+e− annihilation of states with hidden charm and hidden strangeness above 4.43 GeV is associated with the S wave production of the charmed strange meson pairs Ds0(2317)D¯s ⁎+c.c. and Ds1 ⁎(2460)D¯s+c.c. This mechanism implies a pattern of breaking of the Heavy Quark Spin Symmetry (HQSS) that can be tested in the final channels such as ηc(1S)ϕ hc(1P)η hc(1P)η′ produced in the same energy range.

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