6533b873fe1ef96bd12d4497

RESEARCH PRODUCT

Precision measurements of B(D+→μ+νμ), the pseudoscalar decay constant fD+, and the quark mixing matrix element |Vcd|

W. C. YanZhiqiang LiuMiao HeI. TapanY. H. YanS. BraunJ. W. ZhaoY. X. YangM. R. ShepherdJifeng HuL. P. ZhouM. H. YeY. F. WangF. LiD. Cronin-hennessyY. C. ZhuZ. P. MaoL. FavaL. FavaF. E. MaasT. HuM. QiQ. ZhaoY. Z. SunL. Y. DongX. L. JiS. P. YuJ. H. LiuXiang ZhouGang ZhaoW. G. LiE. BogerF. C. MaT. HeldKe WangXiao-tong LuY. H. GuanH. L. MaD. M. LiQ. L. XiuH. L. LuJie YuH. P. ChengM. PelizaeusX. Y. MaJ. FangTao LiH. MoeiniQ. GaoY. N. GaoKai LiuW. X. GongY. ZhangA. CalcaterraZ. G. ZhaoWei WuJ. Z. FanMichael WernerTalib HussainJ. M. BianS. J. ZhaoW. LaiZ. NingS. B. LiuZ. H. WangZ. A. LiuL. HuangP. LarinY. DingT. J. MinK. J. ZhuS. SpataroS. SpataroX. P. XuGuangming HuangY. B. ZhaoH. H. ZhangY. NefedovZ. J. SunH. LoehnerJ. F. QiuQ. OuyangZ. WuC. F. RedmerXiaocong AiW. M. DingD. J. AmbroseY. BanP. WeidenkaffW. ShanS. S. FangD. LiH. B. LiY. G. XieB. J. LiuLi ZhouH. M. LiuC. H. LiC. S. JiFenfen AnY. B. LiuA. G. DenigC. L. LuoG. LiZhiqing ZhangJ. DongY. L. HanE. PrencipeC. C. ZhangY. H. ZhengCong-feng QiaoO. AlbayrakS. P. WenX. S. QinX. R. ZhouS. X. DuX. LiuH. LiangT. C. ZhaoC. D. FuC. Q. FengX. R. ChenX. T. HuangQ. J. XuJ. L. FuA. A. ZafarG. RongGuangshun HuangB. ZhongL. B. GuoG. R. LuG. F. CaoY. Q. WangCheng LiLei LiH. MuramatsuA. ZalloZ. Y. DengW. D. LiJ. MinShan WangQ. P. JiS. NisarN. Yu. MuchnoiY. P. GuoXingguo LiUlrich WiednerP. L. WangC. J. TangP. L. WangA. Q. GuoB. KopfX. Y. ZhouG. S. VarnerCui LiX. L. LuoY. P. LuT. MaX. S. KangHeng-yun YeY. H. ZhangYang QinS. L. OlsenRoy A. BriereW. M. SongJ. L. ZhangJ. Z. BaiT. GuoSerkant Ali CetinJ. C. ChenNasser Kalantar-nayestanakiR. PolingX. K. ChuY. D. WangK. L. HeG. A. ChelkovW. P. WangB. WangY. X. XiaJ. C. LiX. H. MoX. S. JiangL. S. WangS. L. ZangM. H. YeY. P. ChuX. K. ZhouJianping ZhengM. Z. WangR. Baldini FerroliYaquan FangZ. Y. WangD. XiaoJ. ZhuangK. GoetzenM. X. LuoJian WeiX. B. JiYucheng HuangD. V. DedovichMagnus WolkeZ. A. ZhuY. F. LiangJ. Q. ZhangW. KuehnJ. B. JiaoD. P. JinC. Morales MoralesM. LvM. MaggioraM. MaggioraZ. XueLing ZhaoLei ZhaoZ. Y. HeM. LeyheZ. H. QinX. F. WangL. L. WangH. CaiChuan LiuM. BertaniK. SchoenningB. S. ZouB. SpruckE. H. ThorndikeJ. J. ZhangZ. L. HouYang YangM. DestefanisM. DestefanisQun-yao WangZhiyong ZhangX. N. LiY. J. MaoH. X. YangQ. M. MaY. T. LiangHaiping PengX. C. LouX. C. LouI. B. NikolaevL. Q. QinO. CakirTao LuoC. HuC. B. ZhangDayong WangP. L. LiuJ. V. BennettB. KlossC. P. ShenX. Y. NiuXichao RuanC. Z. YuanK. H. RashidJ. P. DaiX. TangD. X. LinW. GradlB. X. YuW. B. YanM. N. AchasovM. ShaoY. T. GuX. C. ChenAlexey ZhemchugovH. M. HuY. YuanY. S. ZhuM. RipkaM. H. GuHuihui LiuD. Y. WangS. QianQ. AnJialun PingY. J. MoJ. P. LiuS. MaX. Y. ZhangQ. LiuJ. G. MesschendorpH. Y. ShengAndrzej KupscW. L. YuanD. TothJ. W. ZhangC. GengM. L. ChenK. J. ZhuXuantong ZhangQiunan XuM. LaraM. G. ZhaoS. PacettiH. S. ChenC. X. YuY. J. SunX. Q. LiM. GrecoM. GrecoK. MoriyaY. P. LuQ. J. LiI. UmanH. L. DaiIgor BoykoB. ZhengJ. S. HuangR. G. PingL. G. XiaC. X. LiuQ. P. JiQ. A. MalikZ. G. WangH. Y. ZhangC. DongM. UllrichZ. J. XiaoLiqing XuS. H. ZhangX. Y. ShenM. Y. DongG. F. ChenJ. Y. ZhangY. K. HengG. F. XuH. B. LiuS. JinJ. H. ZouO. FuksX. L. KangA. SarantsevD. H. WeiP. R. LiJ. S. LangeM. KornicerQ. W. ZhaoS. S. SunG. X. SunLi YanK. Y. LiuZ. B. LiX. Y. SongR. E. MitchellK. LiZ. JiaoFu-hu LiuD. H. ZhangFang LiuI. DenysenkoB. Y. ZhangM. KavatsyukZ. P. ZhangZujian WangX. H. ZhaoB. X. ZhangFeng LiuM. AblikimS. SchumannChi ZhangJ. F. SunY. ZengZhe SunL. L. JiangF. A. HarrisZhiqing LiuY. B. ChenT. JohanssonJ. F. ChangXiaofeng ZhuJ. Z. ZhangX. CaiX. R. LiN. WuKrisztian PetersL. H. WuH. W. YuS. J. ChenO. BondarenkoH. J. LuJ. G. Lu

subject

PhysicsNuclear and High Energy PhysicsMeson010308 nuclear & particles physicsBranching fractionCabibbo–Kobayashi–Maskawa matrixElectron–positron annihilationLattice QCD01 natural sciencesStandard ModelNuclear physicsPseudoscalar0103 physical sciencesExponential decay010306 general physics

description

We report a measurement of the branching fraction B(D+ -> mu(+)nu(mu)) = [3.71 +/- 0.19(stat) +/- 0.06(sys)] x 10(-4) based on 2.92 fb(-1) of data accumulated at root s = 3.773 GeV with the BESIII detector at the BEPCII collider. This measurement, in conjunction with the Cabibbo-Kobayashi-Maskawa matrix element vertical bar V-cd vertical bar determined from a global Standard Model fit, implies a value for the weak decay constant f(D+) = (203.2 +/- 5.3 +/- 1.8) MeV. Additionally, using this branching fraction measurement together with a lattice QCD prediction for f(D+), we find vertical bar V-cd vertical bar 0.2210 +/- 0.0058 +/- 0.0047. In either case, these are the most precise results for these quantities to date.

10.1103/physrevd.89.051104http://hdl.handle.net/11391/1314105