Katrenko, P., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Aushev, T., … Belle Collaboration, . (2020). Observation of the Radiative Decays of ϒ(1S) to χ_{c1}. Physical Review Letters, 124(12), 122001. https://doi.org/10.1103/physrevlett.124.122001

Katrenko, P., I. Adachi, H. Aihara, S. Al Said, D. M. Asner, T. Aushev, I. Badhrees, et al. “Observation of the Radiative Decays of ϒ(1S) to χ_{c1}.” Physical Review Letters 124, no. 12 (March 2020): 122001. https://doi.org/10.1103/physrevlett.124.122001.

Katrenko P, Adachi I, Aihara H, Al Said S, Asner DM, Aushev T, et al. Observation of the Radiative Decays of ϒ(1S) to χ_{c1}. Physical review letters. 2020 Mar;124(12):122001.

Katrenko, P., et al. “Observation of the Radiative Decays of ϒ(1S) to χ_{c1}.” Physical Review Letters, vol. 124, no. 12, Mar. 2020, p. 122001. Epmc, doi:10.1103/physrevlett.124.122001.

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