We report an amplitude analysis and branching fraction measurement of D+- s → K+K−π+- decay using a data sample of 3.19 fb−1 recorded with BESIII detector at a center-of-mass energy of 4.178 GeV. We perform a model-independent partial wave analysis in the low KþK− mass region to determine the K+K−S-wave line shape, followed by an amplitude analysis of our very pure high-statistics sample. With the detection efficiency based on the amplitude analysis results, the absolute branching fraction is measured to be B(D+ s → K+K−π+-) = (5.47 pm 0.08stat pm 0.13sys)%
Amplitude analysis and branching fraction measurement of D+s → K+K− π +
I. Garzia;
2021
Abstract
We report an amplitude analysis and branching fraction measurement of D+- s → K+K−π+- decay using a data sample of 3.19 fb−1 recorded with BESIII detector at a center-of-mass energy of 4.178 GeV. We perform a model-independent partial wave analysis in the low KþK− mass region to determine the K+K−S-wave line shape, followed by an amplitude analysis of our very pure high-statistics sample. With the detection efficiency based on the amplitude analysis results, the absolute branching fraction is measured to be B(D+ s → K+K−π+-) = (5.47 pm 0.08stat pm 0.13sys)%File in questo prodotto:
File | Dimensione | Formato | |
---|---|---|---|
PhysRevD.104.012016.pdf
accesso aperto
Descrizione: versione editoriale
Tipologia:
Full text (versione editoriale)
Licenza:
Creative commons
Dimensione
995.43 kB
Formato
Adobe PDF
|
995.43 kB | Adobe PDF | Visualizza/Apri |
I documenti in SFERA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.