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arxiv: 1812.05400 · v1 · submitted 2018-12-13 · ✦ hep-ex

Recognition: unknown

Measurements of the absolute branching fractions and CP asymmetries for D^+rightarrow K_{S,L}⁰ K^+(π⁰)

M.Ablikim , M.N.Achasov , S. Ahmed , M.Albrecht , A.Amoroso , F.F.An , Q.An , J.Z.Bai
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O.Bakina R.Baldini Ferroli Y.Ban D.W.Bennett J.V.Bennett N.Berger M.Bertani D.Bettoni J.M.Bian F.Bianchi E.Boger I.Boy ko R.A.Briere H.Cai X.Cai O. Cakir A.Calcaterra G.F.Cao S.A.Cetin J.Chai J.F.Chang G.Chelkov G.Chen H.S.Chen J.C.Chen M.L.Chen P.L.Chen S.J.Chen X.R.Chen Y.B.Chen X.K.Chu G.Cibinetto H.L.Dai J.P.Dai A.Dbeyssi D.Dedovich Z.Y.Deng A.Denig I.Denysenko M.Destefanis F.DeMori Y.Ding C.Dong J.Dong L.Y.Dong M.Y.Dong Z.L.Dou S.X.Du P.F.Duan J.Fang S.S.Fang Y.Fang R.Farinelli L.Fava S.Fegan F.Feldbauer G.Felici C.Q.Feng E.Fioravanti M. Fritsch C.D.Fu Q.Gao X.L.Gao Y.Gao Y.G.Gao Z.Gao I.Garzia K.Goetzen L.Gong W.X.Gong W.Gradl M.Greco M.H.Gu Y.T.Gu A.Q.Guo R.P.Guo Y.P.Guo Z.Haddadi S.Han X.Q.Hao F.A.Harris K.L.He X.Q.He F.H.Heinsius T.Held Y.K.Heng T.Holtmann Z.L.Hou H.M.Hu T.Hu Y.Hu G.S.Huang J.S.Huang X.T.Huang X.Z.Huang Z.L.Huang T.Hussain W.Ikegami Andersson Q.Ji Q.P.Ji X.B.Ji X.L.Ji X.S.Jiang X.Y.Jiang J.B.Jiao Z.Jiao D.P.Jin S.Jin T.Johansson A.Julin N.Kalantar-Nayestanaki X.L.Kang X.S.Kang M.Kavatsyuk B.C.Ke T.Khan P. Kiese R.Kliemt B.Kloss L.Koch O.B.Kolcu B.Kopf M.Kornicer M.Kuemmel M.Kuhlmann A.Kupsc W.K\"uhn J.S.Lange M.Lara P. Larin L.Lavezzi H.Leithoff C.Leng C.Li ChengLi D.M.Li F.Li F.Y.Li G.Li H.B.Li H.J.Li J.C.LI JinLi KangLi KeLi LeiLi P.L.Li P.R.Li Q.Y.Li W.D.Li W.G.Li X.L.Li X.N.Li X.Q.Li Z.B.Li H.Liang Y.F.Liang Y.T.Liang G.R.Liao D.X.Lin B.Liu B.J.Liu C.X.Liu D.Liu F.H.Liu FangLiu FengLiu H.B.Liu H.M.Liu HuanhuanLiu HuihuiLiu J.B.Liu J.P.Liu J.Y.Liu K.Liu K.Y.Liu KeLiu L.D.Liu P.L.Liu Q.Liu S.B.Liu X.Liu Y.B.Liu Z.A.Liu ZhiqingLiu Y. F.Long X.C.Lou H.J.Lu J.G.Lu Y.LU Y.P.Lu C.L.Luo M.X.Luo T.Luo X.L.Luo X.R.Lyu F.C.Ma H.L.Ma L.L. Ma M.M.Ma Q.M.Ma T.Ma X.N.Ma X.Y.Ma Y.M.Ma F.E.Maas M.Maggiora Q.A.Malik Y.J.Mao Z.P.Mao S.Marcello J.G.Messchendorp G.Mezzadri J.Min T.J.Min R.E.Mitchell X.H.Mo Y.J.Mo C.Morales Morales N.Yu.Muchnoi H.Muramatsu P.Musiol A.Mustafa Y.Nefedov F.Nerling I.B.Nikolaev Z.Ning S.Nisar S.L.Niu X.Y.Niu S.L.Olsen Q.Ouyang S.Pacetti Y.Pan M.Papenbrock P.Patteri M.Pelizaeus J.Pellegrino H.P.Peng K.Peters J.Pettersson J.L.Ping R.G.Ping R.Poling V.Prasad H.R.Qi M.Qi S.Qian C.F.Qiao J.J.Qin N.Qin X.S.Qin Z.H.Qin J.F.Qiu K.H.Rashid C.F.Redmer M.Richter M.Ripka G.Rong Ch.Rosner A.Sarantsev M.Savri\'e C.Schnier K.Schoenning W.Shan M.Shao C.P.Shen P.X.Shen X.Y.Shen H.Y.Sheng J.J.Song W.M.Song X.Y.Song S.Sosio C.Sowa S.Spataro G.X.Sun J.F.Sun S.S.Sun X.H.Sun Y.J.Sun Y.KSun Y.Z.Sun Z.J.Sun Z.T.Sun C.J.Tang G.Y.Tang X.Tang I.Tapan M.Tiemens B.Tsednee I.Uman G.S.Varner B.Wang B.L.Wang D.Wang D.Y.Wang DanWang K.Wang L.L.Wang L.S.Wang M.Wang MengWang P.Wang P.L.Wang W.P.Wang X.F. Wang Y.Wang Y.D.Wang Y.F.Wang Y.Q.Wang Z.Wang Z.G.Wang Z.Y.Wang ZongyuanWang T.Weber D.H.Wei P.Weidenkaff S.P.Wen U.Wiedner M.Wolke L.H.Wu L.J.Wu Z.Wu L.Xia Y.Xia D.Xiao H.Xiao Y.J.Xiao Z.J.Xiao Y.G.Xie Y.H.Xie X.A.Xiong Q.L.Xiu G.F.Xu J.J.Xu L.Xu Q.J.Xu Q.N.Xu X.P.Xu L.Yan W.B.Yan Y.H.Yan H.J.Yang H.X.Yang L.Yang Y.H.Yang Y.X.Yang M.Ye M.H.Ye J.H.Yin Z.Y.You B.X.Yu C.X.Yu J.S.Yu C.Z.Yuan Y.Yuan A.Yuncu A.A.Zafar Y.Zeng Z.Zeng B.X.Zhang B.Y.Zhang C.C.Zhang D.H.Zhang H.H.Zhang H.Y.Zhang J.Zhang J.L.Zhang J.Q.Zhang J.W.Zhang J.Y.Zhang J.Z.Zhang K.Zhang L.Zhang S.Q.Zhang X.Y.Zhang Y.H.Zhang Y.T.Zhang YangZhang YaoZhang YuZhang Z.H.Zhang Z.P.Zhang Z.Y.Zhang G.Zhao J.W.Zhao J.Y.Zhao J.Z.Zhao LeiZhao LingZhao M.G.Zhao Q.Zhao S.J.Zhao T.C.Zhao Y.B.Zhao Z.G.Zhao A.Zhemchugov B.Zheng J.P.Zheng W.J.Zheng Y.H.Zheng B.Zhong L.Zhou X.Zhou X.K.Zhou X.R.Zhou X.Y.Zhou Y.X.Zhou J.Zhu K.Zhu K.J.Zhu S.Zhu S.H.Zhu X.L.Zhu Y.C.Zhu Y.S.Zhu Z.A.Zhu J.Zhuang L.Zotti B.S.Zou J.H.Zou
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classification ✦ hep-ex
keywords rightarrowbranchingmathcaltimes10fractionsabsoluteasymmetriesfirst
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Using $e^+e^-$ collision data corresponding to an integrated luminosity of 2.93 fb$^{-1}$ taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we determine the absolute branching fractions $\mathcal{B}(D^+\rightarrow K_S^0 K^+)$ = $(3.02 \pm 0.09 \pm 0.08)\times10^{-3}$, $\mathcal{B}(D^+\rightarrow K_S^0 K^+ \pi^0)$ = $(5.07 \pm 0.19 \pm 0.23)\times10^{-3}$, $\mathcal{B}(D^+\rightarrow K_L^0 K^+)$ = $(3.21 \pm 0.11 \pm 0.11)\times10^{-3}$, and $\mathcal{B}(D^+\rightarrow K_L^0 K^+ \pi^0)$ = $(5.24 \pm 0.22 \pm 0.22)\times10^{-3}$, where the first and second uncertainties are statistical and systematic, respectively. The branching fraction \wbrksk is consistent with the world average value and the other three branching fractions are measured for the first time. We also measure the $CP$ asymmetries for the four decays and do not find a significant deviation from zero.

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