期刊
PHYSICAL REVIEW D
卷 91, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.91.072003
关键词
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资金
- 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
- Australian Department of Industry, Innovation, Science and Research
- Austrian Science Fund [P 22742-N16]
- National Natural Science Foundation of China [10575109, 10775142, 10825524, 10875115, 10935008, 11175187]
- Ministry of Education, Youth and Sports of the Czech Republic [LG14034]
- Carl Zeiss Foundation
- Deutsche Forschungsgemeinschaft
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- WCU program of the Ministry Education Science and Technology
- National Research Foundation of Korea [2011-0029457, 2012-0008143, 2012R1A1A2008330, 2013R1A1A3007772]
- BRL program under NRF [KRF-2011-0020333, KRF-2011-0021196]
- Center for Korean J-PARC Users [NRF-2013K1A3A7A06056592]
- BK21 Plus program
- 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
- Russian Foundation for Basic Research Grant [RFBR 12-02-01296, 12-02-33015]
- Slovenian Research Agency
- Basque Foundation for Science (IKERBASQUE)
- UPV/EHU under program UFI [11/55]
- Swiss National Science Foundation
- National Science Council
- Ministry of Education of Taiwan
- U.S. Department of Energy
- National Science Foundation
- MEXT for Science Research in a Priority Area (New Development of Flavor Physics)
- JSPS for Creative Scientific Research (Evolution of Tau-lepton Physics)
- VolkswagenStiftung
- 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
- Australian Department of Industry, Innovation, Science and Research
- Austrian Science Fund [P 22742-N16]
- National Natural Science Foundation of China [10575109, 10775142, 10825524, 10875115, 10935008, 11175187]
- Ministry of Education, Youth and Sports of the Czech Republic [LG14034]
- Carl Zeiss Foundation
- Deutsche Forschungsgemeinschaft
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- WCU program of the Ministry Education Science and Technology
- National Research Foundation of Korea [2011-0029457, 2012-0008143, 2012R1A1A2008330, 2013R1A1A3007772]
- BRL program under NRF [KRF-2011-0020333, KRF-2011-0021196]
- Center for Korean J-PARC Users [NRF-2013K1A3A7A06056592]
- BK21 Plus program
- 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
- Russian Foundation for Basic Research Grant [RFBR 12-02-01296, 12-02-33015]
- Slovenian Research Agency
- Basque Foundation for Science (IKERBASQUE)
- UPV/EHU under program UFI [11/55]
- Swiss National Science Foundation
- National Science Council
- Ministry of Education of Taiwan
- U.S. Department of Energy
- National Science Foundation
- MEXT for Science Research in a Priority Area (New Development of Flavor Physics)
- JSPS for Creative Scientific Research (Evolution of Tau-lepton Physics)
- VolkswagenStiftung
- Austrian Science Fund (FWF) [P 22742] Funding Source: researchfish
- National Research Foundation of Korea [2013R1A1A3007772] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We report results on studies of the e(+)e(-) annihilation into three-body Upsilon(nS)pi(+)pi(-) (n = 1, 2, 3) final states including measurements of cross sections and the full amplitude analysis. The cross sections measured at root s = 10.866 GeV and corrected for the initial state radiation are sigma(e(+)e(-) --> Upsilon(1S)pi(+)pi(-)) = (2.27 +/- 0.12 +/- 0.14) pb, sigma(e(+)e(-) --> Upsilon(2S)pi(+)pi(-)) = (4.07 +/- 0.16 +/- 0.45) pb, and sigma(e(+)e(-) --> Upsilon(3S)pi(+)pi(-)) = (1.46 +/- 0.09 +/- 0.16) pb. Amplitude analysis of the three-body Upsilon(nS)pi(+)pi(-) final states strongly favors I-G(J(P)) = 1(+)(1(+)) quantum-number assignments for the two bottomonium-like Z(b)(+/-) states, recently observed in the Upsilon(nS)pi(+) and h(b)(mP)pi(+)(m = 1, 2) decay channels. The results are obtained with a 121.4 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider.
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