2011
DOI: 10.1103/physrevd.84.092003
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Study ofΥ(3S,2S)ηΥ(1S)andet al.

Abstract: Study of Υ(3S,2S)→ηΥ(1S) and Υ(3S,2S)→π^{+}π^{-}Υ(1S)hadronic transitionsPhys. Rev. D

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Cited by 15 publications
(2 citation statements)
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“…Therefore the ratios between the η and ππ transitions among Υ(3S ), Υ(2S ) and Υ(1S ), R . This QCDME prediction meets, at least qualitatively the experimental measurements in the sector of narrow bottomonia, indicating that the HQSS is indeed a good symmetry: R 2S →1S η,ππ = (1.6 ± 0.2) × 10 −3 [20,21,22] and R 3S →1S η,ππ < 2.1 × 10 −3 [21]. At the Υ(4S ) energy however the situation is completely reversed.…”
Section: New Hadronic Transitionssupporting
confidence: 78%
“…Therefore the ratios between the η and ππ transitions among Υ(3S ), Υ(2S ) and Υ(1S ), R . This QCDME prediction meets, at least qualitatively the experimental measurements in the sector of narrow bottomonia, indicating that the HQSS is indeed a good symmetry: R 2S →1S η,ππ = (1.6 ± 0.2) × 10 −3 [20,21,22] and R 3S →1S η,ππ < 2.1 × 10 −3 [21]. At the Υ(4S ) energy however the situation is completely reversed.…”
Section: New Hadronic Transitionssupporting
confidence: 78%
“…where hm recoil i is the expected location of the Çð1SÞ peak, determined by the mass difference between the Çð2SÞ and Çð1SÞ mesons [21]. The final signal selection efficiency varies between 1% and 4.5% (Fig.…”
mentioning
confidence: 99%