Journal
PHYSICAL REVIEW D
Volume 88, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.88.092003
Keywords
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Funding
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan
- Japan Society for the Promotion of Science (JSPS)
- Tau-Lepton Physics Research Center of Nagoya University
- Australian Research Council
- Austrian Science Fund [P 22742-N16]
- National Natural Science Foundation of China [10575109, 10775142, 10875115, 10825524]
- Ministry of Education, Youth and Sports of the Czech Republic [MSM0021620859]
- Carl Zeiss Foundation
- Deutsche Forschungsgemeinschaft and the VolkswagenStiftung
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- Ministry of Education, Science and Technology
- National Research Foundation of Korea [20100021174, 2011-0029457, 2012-0008143, 2012R1A1A2008330]
- BRL program under NRF [KRF-2011-0020333]
- GSDC of the Korea Institute of Science and Technology Information
- Polish Ministry of Science and Higher Education
- National Science Center
- Ministry of Education and Science of the Russian Federation
- Russian Federal Agency for Atomic Energy
- Slovenian Research Agency
- Basque Foundation for Science (IKERBASQUE)
- UPV/EHU [UFI 11/55]
- Swiss National Science Foundation
- National Science Council
- U.S. Department of Energy
- MEXT
- JSPS
- Australian Department of Industry, Innovation, Science and Research
- National Science Foundation
- Ministry of Education of Taiwan
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan
- Japan Society for the Promotion of Science (JSPS)
- Tau-Lepton Physics Research Center of Nagoya University
- Australian Research Council
- Austrian Science Fund [P 22742-N16]
- National Natural Science Foundation of China [10575109, 10775142, 10875115, 10825524]
- Ministry of Education, Youth and Sports of the Czech Republic [MSM0021620859]
- Carl Zeiss Foundation
- Deutsche Forschungsgemeinschaft and the VolkswagenStiftung
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- Ministry of Education, Science and Technology
- National Research Foundation of Korea [20100021174, 2011-0029457, 2012-0008143, 2012R1A1A2008330]
- BRL program under NRF [KRF-2011-0020333]
- GSDC of the Korea Institute of Science and Technology Information
- Polish Ministry of Science and Higher Education
- National Science Center
- Ministry of Education and Science of the Russian Federation
- Russian Federal Agency for Atomic Energy
- Slovenian Research Agency
- Basque Foundation for Science (IKERBASQUE)
- UPV/EHU [UFI 11/55]
- Swiss National Science Foundation
- National Science Council
- U.S. Department of Energy
- MEXT
- JSPS
- Australian Department of Industry, Innovation, Science and Research
- National Science Foundation
- Ministry of Education of Taiwan
- Grants-in-Aid for Scientific Research [23740220] Funding Source: KAKEN
- STFC [ST/K003410/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K003410/1] Funding Source: researchfish
- National Research Foundation of Korea [2011-0029457, 2012R1A1A2008330] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We present a measurement of the charge-parity (CP) violating parameters in B-0 -> pi(+) pi(-) decays. The results are obtained from the final data sample containing 772 x 10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+) e(-) collider. We obtain the CP violation parameters A(cp)(B-0 -> pi(+) pi(-)) = +0.33 +/- 0.06(stat) +/- 0.03(syst), S-cp(B-0 -> pi(+) pi(-)) = -0.64 +/- 0.08(stat) +/- 0.03(syst), where A(CP) and S-CP represent the direct and mixing-induced CP asymmetries in B-0 -> pi(+) pi(-) decays, respectively. Using an isospin analysis including results from other Belle measurements, we find 23.8 degrees < phi(2) < 66.8 degrees is disfavored at the 1 sigma level, where phi(2) is one of the three interior angles of the Cabibbo-Kobayashi-Maskawa unitarity triangle related to B-u,B-d decays.
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