Просмотр по автору "Padolski, S."

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    • A measurement of the K+→π+μ+μ− decay 

      Cortina Gil, E.; Kleimenova, A.; Minucci, E.; Padolski, S.; Petrov, P.; Shaikhiev, A.; Volpe, R.; Numao, T.; Petrov, Y.; Velghe, B.; Wong, V. W. S. (Journal of High Energy Physics, 2022)
      A sample of 2.8×104 K+→π+μ+μ− candidates with negligible background was collected by the NA62 experiment at the CERN SPS in 2017--2018. The model-independent branching fraction is measured to be (9.15±0.08)×10−8, a factor three more precise than previous measurements. The decay form factor is presented as a function of the squared dimuon mass. A measurement of the form factor ...
      2025-01-09

    • A study of the K+→π0e+νγ decay 

      Gil, E. Cortina; Kleimenova, A.; Minucci, E.; Padolski, S.; Petrov, P. (Journal of High Energy Physics, 2023)
      A sample of 1.3×105 K+→π0e+νγ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017-2018. Branching fraction measurements are obtained at percent relative precision in three restricted kinematic regions, improving on existing results by a factor larger than two. An asymmetry, possibly related to T-violation, is investigated with no ...
      2025-01-09