Journal
PHYSICAL REVIEW LETTERS
Volume 107, Issue 26, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.261802
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Funding
- U.S. Department of Energy
- National Science Foundation
- Italian Istituto Nazionale di Fisica Nucleare
- Ministry of Education, Culture, Sports, Science and Technology of Japan
- Natural Sciences and Engineering Research Council of Canada
- National Science Council of the Republic of China
- Swiss National Science Foundation
- A.P. Sloan Foundation
- Bundesministerium fur Bildung und Forschung, Germany
- Korean World Class University Program, the National Research Foundation of Korea
- Science and Technology Facilities Council
- Royal Society, U.K.
- Russian Foundation for Basic Research
- Ministerio de Ciencia e Innovacion
- Programa Consolider-Ingenio, Spain
- Slovak RD Agency
- Academy of Finland
- Australian Research Council (ARC)
- Science and Technology Facilities Council [ST/H001026/1, PP/E003699/1, PP/E003699/2, ST/H001026/2] Funding Source: researchfish
- STFC [PP/E003699/2, ST/H001069/1, PP/E003699/1, ST/H001026/2, ST/H001026/1] Funding Source: UKRI
- Grants-in-Aid for Scientific Research [18071002] Funding Source: KAKEN
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We present the first measurement of polarization and CP-violating asymmetries in a B-s(0) decay into two light vector mesons, B-s(0) -> phi phi, and an improved determination of its branching ratio using 295 decays reconstructed in a data sample corresponding to 2: 9 fb(-1) of integrated luminosity collected by the CDF experiment at the Fermilab Tevatron collider. The fraction of longitudinal polarization is determined to be f(L) = 0.348 +/- 0.041(stat) +/- 0.021(syst), and the branching ratio B(B-s(0) -> phi phi) = [2.32 +/- 0.18(stat) +/- 0.82(syst)] x 10(-5). Asymmetries of decay angle distributions sensitive to CP violation are measured to be A(u) = 0.007 +/- 0.064(stat) +/- 0.018(syst) and A(v) = -0.120 +/- 0.064(stat) +/- 0.016(syst).
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