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Search for transitions from Upsilon(4S) and Upsilon(5S) to eta(b) (1S) and eta(b) (2S) with emission of an omega meson
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Search for transitions from Upsilon(4S) and Upsilon(5S) to eta(b) (1S) and eta(b) (2S) with emission of an omega meson

J. Yelton, Adachi, J. K. Ahn, H. Aihara, S. Al Said, D. M. Asner, T. Aushev, R. Ayad, Babu, S. Bahinipati, …
Physical review. D, Vol.102(9)
30/11/2020

Abstract

Astronomy & Astrophysics Physical Sciences Physics Physics, Particles & Fields Science & Technology
Using data collected in the Belle experiment at the KEKB asymmetric-energy e(+) e(-) collider we search for transitions Upsilon(4S) -> eta(b)(1S)omega, Upsilon(5S) -> eta(b)(1S)omega and Upsilon(5S) -> eta(b)(2S)omega. No significant signals are observed and we set 90% confidence level upper limits on the corresponding visible cross sections: 0.2 ph, 0.4 pb and 1.9 pb, respectively.
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https://doi.org/10.1103/PhysRevD.102.092011View
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