Measurements of the absolute branching fractions and CP asymmetries for D+ → KS,L0 K+ (π0)

(BESIII Collaboration)

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Using e+e- collision data corresponding to an integrated luminosity of 2.93 fb-1 taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we determine the absolute branching fractions B(D+→KS0K+)=(3.02±0.09±0.08)×10-3, B(D+→KS0K+π0)=(5.07±0.19±0.23)×10-3, B(D+→KL0K+)=(3.21±0.11±0.11)×10-3, and B(D+→KL0K+π0)=(5.24±0.22±0.22)×10-3, where the first and second uncertainties are statistical and systematic, respectively. The branching fraction B(D+→KS0K+) is consistent with the world average value and the other three branching fractions are measured for the first time. We also measure the CP asymmetries for the four decays and do not find a significant deviation from zero.

Original languageEnglish (US)
Article number032002
JournalPhysical Review D
Issue number3
StatePublished - Feb 1 2019

Bibliographical note

Publisher Copyright:
© 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP .


Dive into the research topics of 'Measurements of the absolute branching fractions and CP asymmetries for D+ → KS,L0 K+ (π0)'. Together they form a unique fingerprint.

Cite this