Measurement of the branching fraction and CP asymmetry of B0→π0π0 decays using 198×106 $$B\overline{B}$$ pairs in Belle II data
Journal Article
·
· Physical Review. D.
We report measurements of the branching fraction and asymmetry in decays reconstructed at Belle II in an electron-positron collision sample containing pairs. We measure a branching fraction and a asymmetry , where the first uncertainty is statistical and the second is systematic.
- Research Organization:
- Wayne State Univ., Detroit, MI (United States); Univ. of Florida, Gainesville, FL (United States); Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States); Duke Univ., Durham, NC (United States); Univ. of South Carolina, Columbia, SC (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Univ. of Hawaii, Honolulu, HI (United States); Univ. of Cincinnati, OH (United States); Univ. of Mississippi, Oxford, MS (United States); Univ. of Louisville, KY (United States); Battelle Memorial Institute, Columbus, OH (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Contributing Organization:
- Belle II Collaboration
- Grant/Contract Number:
- SC0007983; SC0009824; SC0009973; SC0010007; SC0010073; SC0010118; SC0010504; SC0011784; SC0019230; SC0021274; SC0022350; AC06-76RL01830; SC0012704
- OSTI ID:
- 2419782
- Journal Information:
- Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 11 Vol. 107; ISSN PRVDAQ; ISSN 2470-0010
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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