In:
Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2022, No. 1 ( 2022-01)
Abstract:
Using a data set corresponding to an integrated luminosity of 6.32 fb − 1 recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, an amplitude analysis of the decay $$ {D}_s^{+} $$ D s + → π + π 0 π 0 is performed, and the relative fractions and phases of different intermediate processes are determined. The absolute branching fraction of the decay $$ {D}_s^{+} $$ D s + → π + π 0 π 0 is measured to be (0 . 50 ± 0 . 04 stat ± 0 . 02 syst )%. The absolute branching fraction of the intermediate process $$ {D}_s^{+} $$ D s + → f 0 (980) π + , f 0 (980) → π 0 π 0 is determined to be (0 . 28 ± 0 . 04 stat ± 0 . 04 syst )%.
Type of Medium:
Online Resource
ISSN:
1029-8479
DOI:
10.1007/JHEP01(2022)052
Language:
English
Publisher:
Springer Science and Business Media LLC
Publication Date:
2022
detail.hit.zdb_id:
2027350-2