期刊
PHYSICAL REVIEW LETTERS
卷 127, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.127.211801
关键词
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资金
- Science Committee of the Republic of Armenia Grant [20TTCG-1C010]
- Australian Research Council [DP180102629, DP170102389, DP170102204, DP150103061, FT130100303, FT130100018, FT120100745]
- Austrian Federal Ministry of Education, Science and Research, Austrian Science Fund [P 31361-N36]
- Horizon 2020 ERC Starting Grant [947006]
- Natural Sciences and Engineering Research Council of Canada
- Compute Canada
- CANARIE
- Chinese Academy of Sciences [QYZDJSSW-SLH011]
- National Natural Science Foundation of China [11521505, 11575017, 11675166, 11761141009, 11705209, 11975076]
- LiaoNing Revitalization Talents Program [XLYC1807135]
- Shanghai Municipal Science and Technology Committee [19ZR1403000]
- Shanghai Pujiang Program [18PJ1401000]
- CAS Center for Excellence in Particle Physics (CCEPP)
- Ministry of Education, Youth, and Sports of the Czech Republic [LTT17020]
- Charles University [SVV 260448, GAUK 404316]
- European Research Council, Seventh Framework [PIEF-GA-2013622527]
- European Research Council, Horizon 2020 ERC-Advanced Grants [267104, 884719]
- European Research Council, Horizon 2020 ERC-Consolidator Grant [819127]
- European Research Council, Horizon 2020 Marie Sklodowska-Curie Grant [700525]
- European Research Council, Horizon 2020 Marie Sklodowska-Curie RISE project JENNIFER2 Grant [822070]
- L'Institut National de Physique Nucleaire et de Physique des Particules (IN2P3) du CNRS (France)
- BMBF (Germany)
- DFG (Germany)
- HGF (Germany)
- MPG (Germany)
- AvH Foundation (Germany)
- Department of Atomic Energy (India) [RTI 4002]
- Department of Science and Technology (India)
- Israel Science Foundation [2476/17]
- U.S.-Israel Binational Science Foundation [2016113]
- Israel Ministry of Science [3-16543]
- Istituto Nazionale di Fisica Nucleare [BELLE2]
- Japan Society for the Promotion of Science [16H03968, 16H03993, 16H06492, 16K05323, 17H01133, 17H05405, 18K03621, 18H03710, 18H05226, 19H00682, 26220706, 26400255]
- National Institute of Informatics, and Science Information NETwork 5 (SINET5)
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan
- National Research Foundation (NRF) of Korea [2016R1-D1A1B-01010135, 2016R1D1A1B-02012900, 2018R1-A2B-3003643, 2018R1-A6A1A-06024970, 2018R1-D1A1B07047294, 2019K1-A3A7A-09033840, 2019R1-I1A3A-01058933]
- Radiation Science Research Institute, Foreign Large-size Research Facility Application Supporting project
- Global Science Experimental Data Hub Center of the Korea Institute of Science and Technology Information and KREONET/GLORIAD
- Universiti Malaya RU grant
- Frontiers of Science Program (Mexico) [FOINS-296, CB221329, CB-236394, CB-254409, CB180023, 237]
- Polish Ministry of Science and Higher Education
- National Science Center
- Ministry of Science and Higher Education of the Russian Federation [14.W03.31.0026]
- HSE University Basic Research Program, Moscow
- University of Tabuk (Saudi Arabia) [S-0256-1438, S0280-1439]
- Slovenian Research Agency [J1-9124, P1-0135]
- Agencia Estatal de Investigacion, Spain of Generalitat Valenciana [FPA2014-55613-P, FPA2017-84445-, CIDEGENT/2018/020]
- Ministry of Science and Technology [MOST106-2112-M-002-005-MY3, MOST107-2119-M-002-035-MY3]
- Ministry of Education (Taiwan)
- Thailand Center of Excellence in Physics
- TUBITAK ULAKBIM (Turkey)
- National Research Foundation of Ukraine [2020.02/0257]
- Ministry of Education and Science of Ukraine
- U.S. National Science Foundation [PHY-1807007, PHY-1913789]
- U.S. Department of Energy [DE-AC0676RLO1830, DE-SC0007983, DE-SC0009824, DE-SC0009973, DE-SC0010073, DESC0010118, DE-SC0010504, DE-SC0011784, DE-SC0012704, DE-SC0021274]
- Vietnam Academy of Science and Technology (VAST) [DL0000.05/21-23]
- Akademi Sains Malaysia
- Ministry of Education Malaysia
- Australian Research Council [FT120100745] Funding Source: Australian Research Council
- Grants-in-Aid for Scientific Research [16K05323, 16H03968, 18H05226, 19H00682] Funding Source: KAKEN
- European Research Council (ERC) [884719, 267104] Funding Source: European Research Council (ERC)
- U.S. Department of Energy (DOE) [DE-SC0010073, DE-SC0021274, DE-SC0009824, DE-SC0011784] Funding Source: U.S. Department of Energy (DOE)
- Marie Curie Actions (MSCA) [700525] Funding Source: Marie Curie Actions (MSCA)
This study reports the most precise measurements to date of the lifetimes of D-0 and D+ using data recorded by the Belle II experiment at the SuperKEKB collider. The results are consistent with previous determinations, providing valuable insight into these particles' properties.
We report a measurement of the D-0 and D+ lifetimes using D-0 -> K-pi(+) and D+ -> K-pi(+)pi(+) decays reconstructed in e(+)e(-) -> c (c) over bar data recorded by the Belle II experiment at the SuperKEKB asymmetric-energy e(+)e(-) collider. The data, collected at center-of-mass energies at or near the (sic)(4S) resonance, correspond to an integrated luminosity of 72 fb(-1). The results, (tau)(D-0) = 410.5 +/- 1.1 (stat) +/- 0.8(syst) fs and tau(D-0) = 1030.4 +/- 4.7 (stat) +/- 3.1 (syst) fs, are the most precise to date and are consistent with previous determinations.
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