Observation of a cascade radiative decay of a charmed strange pseudovector meson
Ammosov V. V., Asratyan A. E., Burtovoi V. S., Gapienko V. A., Gapienko G. S., Gorichev P. A., Denisov A. G., Zaets V. G., Klyukhin V. I., Koreshev V. I., Kruchinin S. P., Kubantsev M. A., Makhlyueva I. V., Pitukhin P. V., Sirotenko V. I., Slobodyuk E. A., Usubov Z. U., Fedotov A. V., Shevchenko V. G., Shekelyan V. I.
The antineutrino production and cascade radiative decay of a charmed strange pseudovector meson have been observed. The measured masses of the pseudovector meson and of the vector F meson are 2547 + 60 MeV and 2123 ± 15 MeV, respectively.