Hayrapetyan, A., Tumasyan, A., Adam, W., Andrejkovic, J. W., Bergauer, T., Chatterjee, S., … Quadfasel, T. (2023). Observation of the Rare Decay of the η Meson to Four Muons. Physical Review Letters, 131(9), 091903. https://doi.org/10.1103/physrevlett.131.091903

Hayrapetyan, A., A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, K. Damanakis, et al. “Observation of the Rare Decay of the η Meson to Four Muons.” Physical Review Letters 131, no. 9 (September 2023): 091903. https://doi.org/10.1103/physrevlett.131.091903.

Hayrapetyan A, Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, et al. Observation of the Rare Decay of the η Meson to Four Muons. Physical review letters. 2023 Sep;131(9):091903.

Hayrapetyan, A., et al. “Observation of the Rare Decay of the η Meson to Four Muons.” Physical Review Letters, vol. 131, no. 9, Sept. 2023, p. 091903. Epmc, doi:10.1103/physrevlett.131.091903.

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Observation of the Rare Decay of the η Meson to Four Muons. Physical review letters. 2023 Sep;131(9):091903.