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Study of the ρ, ω, ϕ→ηγ→7γ decays with an SND detector on a VEPP-2M collider

  • Fields, Particles, Nuclei
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Abstract

The e + e −→ηγ→7γ process was studied in the energy range 2E=600–1060 MeV with an SND detector on a VEPP-2M e + e − collider. The decay branching ratios B(φ→ηγ)=(1.353±0.011±0.052)×10−2, B(ω→ηγ)=(4.62±0.71±0.18)×10−4, and B(ρ→ηγ)=(2.73±0.31±0.15)×10−4 were measured.

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Authors and Affiliations

  1. Budker Institute of Nuclear Physics, Siberian Division, Russian Academy of Sciences, pr. Akademika Lavrent’eva 11, Novosibirsk, 630090, Russia

    M. N. Achasov, S. E. Baru, K. I. Beloborodov, A. V. Berdyugin, A. V. Bozhenok, A. G. Bogdanchikov, D. A. Bukin, S. V. Burdin, A. V. Vasil’ev, Yu. S. Velikzhanin, T. V. Dimova, V. P. Druzhinin, M. S. Dubrovin, D. I. Ganyushin, I. A. Gaponenko, V. B. Golubev, V. N. Ivanchenko, I. A. Koop, A. A. Korol’, S. V. Koshuba, G. A. Kukartsev, E. V. Pakhtusova, A. A. Sal’nikov, S. I. Serednyakov, V. V. Sharyi, Yu. M. Shatunov, V. A. Sidorov & Z. K. Silagadze

Authors
  1. M. N. Achasov
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  2. S. E. Baru
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  3. K. I. Beloborodov
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  5. A. V. Bozhenok
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  6. A. G. Bogdanchikov
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  7. D. A. Bukin
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  8. S. V. Burdin
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  9. A. V. Vasil’ev
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  10. Yu. S. Velikzhanin
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  11. T. V. Dimova
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  14. D. I. Ganyushin
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  15. I. A. Gaponenko
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  16. V. B. Golubev
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  17. V. N. Ivanchenko
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  18. I. A. Koop
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  19. A. A. Korol’
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  20. S. V. Koshuba
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  21. G. A. Kukartsev
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  22. E. V. Pakhtusova
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  23. A. A. Sal’nikov
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  24. S. I. Serednyakov
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  25. V. V. Sharyi
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  26. Yu. M. Shatunov
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  27. V. A. Sidorov
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  28. Z. K. Silagadze
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Additional information

__________

Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 72, No. 6, 2000, pp. 411–415.

Original Russian Text Copyright © 2000 by Achasov, Baru, Beloborodov, Berdyugin, Bozhenok, Bogdanchikov, Bukin, Burdin, Vasil’ev, Velikzhanin, Dimova, Druzhinin, Dubrovin, Ganyushin, Gaponenko, Golubev, Ivanchenko, Koop, Korol’, Koshuba, Kukartsev, Pakhtusova, Sal’nikov, Serednyakov, Shary\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \), Shatunov, Sidorov, Silagadze.

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Achasov, M.N., Baru, S.E., Beloborodov, K.I. et al. Study of the ρ, ω, ϕ→ηγ→7γ decays with an SND detector on a VEPP-2M collider. Jetp Lett. 72, 282–285 (2000). https://doi.org/10.1134/1.1328437

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  • DOI: https://doi.org/10.1134/1.1328437

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