First Measurement of R (Xτ/ℓ) as an Inclusive Test of the b →cτν Anomaly

Grants

Funding Acknowledgements

This work, based on data collected using the Belle IIdetector, which was built and commissioned prior toMarch 2019, was supported by Higher Education andScience Committee of the Republic of Armenia GrantNo. 23LCG-1C011; Australian Research Council andResearch Grants No. DP200101792, No. DP210101900,No.DP210102831,No.DE220100462,No. LE210100098, and No. LE230100085; AustrianFederal Ministry of Education, Science and Research,Austrian Science Fund No. P 34529, No. J 4731,No. J 4625, and No. M 3153, and Horizon 2020 ERCStarting Grant No. 947006"InterLeptons"; NaturalSciences and Engineering Research Council of Canada,Compute Canada, and CANARIE; National Key R&DProgram of China under Contract No. 2022YFA1601903,National Natural Science Foundation of China andResearch Grants No. 11575017, No. 11761141009,No. 11705209, No. 11975076, No. 12135005,No. 12150004, No. 12161141008, and No. 12175041,and Shandong Provincial Natural Science FoundationProject ZR2022JQ02; the Czech Science FoundationGrant No. 22-18469S and Charles University GrantAgency project No. 246122; European ResearchCouncil, Seventh Framework PIEF-GA-2013-622527,Horizon 2020 ERC-Advanced Grants No. 267104 andNo. 884719, Horizon 2020 ERC-Consolidator GrantNo. 819127, Horizon 2020 Marie Sklodowska-CurieGrant Agreement No. 700525"NIOBE"andNo. 101026516, and Horizon 2020 Marie Sklodowska-Curie RISE project JENNIFER2 Grant AgreementNo. 822070 (European grants); L'Institut National dePhysique Nucl eaire et de Physique des Particules(IN2P3) du CNRS and L'Agence Nationale de laRecherche (ANR) under grant ANR-21-CE31-0009(France); BMBF, DFG, HGF, MPG, and AvHFoundation (Germany); Department of Atomic Energyunder Project Identification No. RTI 4002, Departmentof Science and Technology, and UPES SEED fundingprograms No. UPES/R&D-SEED-INFRA/17052023/01and No. UPES/R&D-SOE/20062022/06 (India); IsraelScience Foundation Grant No. 2476/17, U.S.-IsraelBinational Science Foundation Grant No. 2016113,and Israel Ministry of Science Grant No. 3-16543;Istituto Nazionale di Fisica Nucleare and the ResearchGrants BELLE2; Japan Society for the Promotion ofScience, Grant-in-Aid for Scientific Research GrantsNo. 16H03968, No. 16H03993, No. 16H06492,No. 16K05323, No. 17H01133, No. 17H05405,No. 18K03621, No. 18H03710, No. 18H05226,No. 19H00682, No. 20H05850, No. 20H05858,No. 22H00144, No. 22K14056, No. 22K21347, No. 23H05433, No. 26220706, and No. 26400255, theNational Institute of Informatics, and Science InformationNETwork 5 (SINET5), and the Ministryof Education, Culture, Sports, Science, and Technology(MEXT) of Japan; National Research Foundation (NRF)of Korea Grants No. 2016R1D1A1B02012900,No. 2018R1A2B3003643, No. 2018R1A6A1A06024970,No. 2019R1I1A3A01058933, No. 2021R1A6A1A03043957,No. 2021R1F1A1060423, No. 2021R1F1A1064008,No. 2022R1A2C1003993, and No. RS-2022-00197659,Radiation Science Research Institute, Foreign Large-SizeResearch Facility Application Supporting project, theGlobal Science Experimental Data Hub Center of theKorea Institute of Science and Technology Informationand KREONET/GLORIAD; Universiti Malaya RU grant,Akademi Sains Malaysia, and Ministry of EducationMalaysia; Frontiers of Science Program ContractsNo. FOINS-296, No. CB-221329, No. CB-236394,No. CB-254409, and No. CB-180023, and SEP-CINVESTAV Research Grant No. 237 (Mexico); thePolish Ministry of Science and Higher Education and theNational Science Center; the Ministry of Science and HigherEducation of the Russian Federation, and the HSEUniversity Basic Research Program, Moscow; Universityof Tabuk Research Grants No.S-0256-1438 and No. S-0280-1439 (Saudi Arabia); Slovenian Research Agency andResearch Grants No. J1-9124 and No. P1-0135; AgenciaEstatal de Investigacion, Spain Grant No. RYC2020-029875-I and Generalitat Valenciana, Spain GrantNo. CIDEGENT/2018/020; National Science andTechnology Council, and Ministry of Education(Taiwan); Thailand Center of Excellence in Physics;TUBITAK ULAKBIM (Turkey); National ResearchFoundation of Ukraine, Project No. 2020.02/0257, andMinistry of Education and Science of Ukraine; the U.S.National Science Foundation and Research GrantsNo. PHY-1913789 and No. PHY-2111604, and the U.S.Department of Energy and Research Awards No. DE-AC06-76RLO1830, No. DE-SC0007983, No. DE-SC0009824,No. DE-SC0009973, No. DE-SC0010007, No. DE-SC0010073, No. DE-SC0010118, No. DE-SC0010504,No. DE-SC0011784, No. DE-SC0012704, No. DE-SC0019230, No. DE-SC0021274, No. DE-SC0021616,No. DE-SC0022350, No. DE-SC0023470; and theVietnam Academy of Science and Technology (VAST)underGrantNo.NVCC.05.12/22-23andNo. DL0000.02/24-25. These acknowledgements are notto be interpreted as an endorsement of any statement madeby any of our institutes, funding agencies, governments, ortheir representatives. We thank the SuperKEKB team fordelivering high-luminosity collisions; the KEK cryogenicsgroup for the efficient operation of the detector solenoid magnet; the KEK Computer Research Center for on-sitecomputing support; the NII for SINET6 network support;and the raw-data centers hosted by BNL, DESY, GridKa,IN2P3, INFN, and the University of Victoria.r No. 23H05433, No. 26220706, and No. 26400255, the National Institute of Informatics, and Science Information NETwork 5 (SINET5) , and the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan; National Research Foundation (NRF) of Korea Grants No. 2016R1D1A1B02012900, No. 2018R1A2B3003643, No. 2018R1A6A1A06024970, No. 2019R1I1A3A01058933, No. 2021R1A6A1A03043957, No. 2021R1F1A1060423, No. 2021R1F1A1064008, No. 2022R1A2C1003993, and No. RS-2022-00197659, Radiation Science Research Institute, Foreign Large-Size Research Facility Application Supporting project, the Global Science Experimental Data Hub Center of the Korea Institute of Science and Technology Information and KREONET/GLORIAD; Universiti Malaya RU grant, Akademi Sains Malaysia, and Ministry of Education Malaysia; Frontiers of Science Program Contracts No. FOINS-296, No. CB-221329, No. CB-236394, No. CB-254409, and No. CB-180023, and SEP-CINVESTAV Research Grant No. 237 (Mexico) ; the Polish Ministry of Science and Higher Education and the National Science Center; the Ministry of Science and Higher Education of the Russian Federation, and the HSE University Basic Research Program, Moscow; University of Tabuk Research Grants No. S-0256-1438 and No. S-0280-1439 (Saudi Arabia) ; Slovenian Research Agency and Research Grants No. J1-9124 and No. P1-0135; Agencia Estatal de Investigacion, Spain Grant No. RYC2020-029875-I and Generalitat Valenciana, Spain Grant No. CIDEGENT/2018/020; National Science and Technology Council, and Ministry of Education (Taiwan) ; Thailand Center of Excellence in Physics; TUBITAK ULAKBIM (Turkey) ; National Research Foundation of Ukraine, Project No. 2020.02/0257, and Ministry of Education and Science of Ukraine; the U.S. National Science Foundation and Research Grants No. PHY-1913789 and No. PHY-2111604, and the U.S. Department of Energy and Research Awards No. DE-AC06-76RLO1830, No. DE-SC0007983, No. DE-SC0009824, No. DE-SC0009973, No. DE-SC0010007, No. DE-SC0010073, No. DE-SC0010118, No.DE-SC0010504, No. DE-SC0011784, No. DE-SC0012704, No. DE-SC0019230, No. DE-SC0021274, No. DE-SC0021616, No. DE-SC0022350, No. DE-SC0023470; and the Vietnam Academy of Science and Technology (VAST) under Grant No. NVCC.05.12/22-23 and No. DL0000.02/24-25. These acknowledgements are not to be interpreted as an endorsement of any statement made by any of our institutes, funding agencies, governments, or their representatives. We thank the SuperKEKB team for delivering high-luminosity collisions; the KEK cryogenics group for the efficient operation of the detector solenoidr magnet; the KEK Computer Research Center for on-site computing support; the NII for SINET6 network support; and the raw-data centers hosted by BNL, DESY, GridKa, IN2P3, INFN, and the University of Victoria.