Evidence for the Decay B+- to K*+- Pi0
B Aubert,R Barate,D Boutigny,F Couderc,Y Karyotakis,JP Lees,V Poireau,V Tisserand,A Zghiche,E Grauges, A Palano,M Pappagallo,A Pompili,JC Chen,ND Qi, G Rong, P Wang,YS Zhu,G Eigen,I Ofte,B Stugu,GS Abrams,AW Borgland,AB Breon,DN Brown,J Button-Shafer,RN Cahn,E Charles,CT Day,MS Gill,AV Gritsan,Y Groysman, RG Jacobsen,RW Kadel,J Kadyk,LT Kerth, YG Kolomensky,G Kukartsev,G Lynch,LM Mir,PJ Oddone,TJ Orimoto,M Pripstein,NA Roe, MT Ronan,WA Wenzel,M Barrett,KE Ford,TJ Harrison,AJ Hart,CM Hawkes,SE Morgan,AT Watson,M Fritsch,K Goetzen,T Held,H Koch,B Lewandowski,M Pelizaeus,K Peters,T Schroeder,M Steinke,JT Boyd, JP Burke,N Chevalier,WN Cottingham,MP Kelly,T Cuhadar-Donszelmann,C Hearty,NS Knecht,TS Mattison,JA McKenna,D Thiessen, A Khan,P Kyberd,L Teodorescu,AE Blinov,VE Blinov,AD Bukin,VP Druzhinin,VB Golubev,VN Ivanchenko,EA Kravchenko,AP Onuchin,SI Serednyakov, YI Skovpen,EP Solodov,AN Yushkov,D Best,M Bondioli,M Bruinsma,M Chao, I Eschrich,D Kirkby,AJ Lankford,M Mandelkern,RK Mommsen, W 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OSTI OAI (US Department of Energy Office of Scientific and Technical Information)（2018）
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摘要
We have measured the process B{sup {+-}} {yields} (K*{sup {+-}}{pi}{sup 0}){pi}{sup 0} with 232 million {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. From a signal yield of 89 {+-} 26 events we obtain the branching fraction {Beta}(B{sup {+-}} {yields} K*{sup {+-}}{pi}{sup 0}) = [6.9 {+-} 2.0(stat) {+-} 1.3(syst)] x 10{sup -6} with a statistical significance of 3.6 standard deviations including systematic uncertainties, and a charge asymmetry of 0.04 {+-} 0.29(stat) {+-} 0.05(syst).
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关键词
attenuation correction
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