Measurement of Branching Fractions forB→ππ,Kπ, andKKDecays
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Measurement of Branching Fractions forB→ππ,Kπ, andKKDecays

K. Abe,I. Adachi,Byoung Sup Ahn,H. Aihara,M. Akatsu,G. Alimonti,Y. Asano,T. Aso,V. Aulchenko,T. Aushev,A. M. Bakich,W. Bartel,S. Behari,Prafulla Kumar Behera,D. Beiline,A. Bondar,A. Bozek,T. E. Browder,B. C. K. Casey,Pao-Ti Chang,Y. Chao,Kai-Feng Chen,B. G. Cheon,S.-K. Choi,Y. Choi,S. Eidelman,Y. Enari,R. Enomoto,F. Fang,H. Fujii,M. Fukushima,A. Garmash,A. Gordon,K. Gotow,R. Guo,J. Haba,H. Hamasaki,K. Hanagaki,F. Handa,K. Hara,T. Hara,N. C. Hastings,H. Hayashii,M. Hazumi,E. M. Heenan,I. Higuchi,T. Higuchi,H. Hirano,T. Hojo,Y. Hoshi,W.-S. Hou,S.-C. Hsu,Hsuan-Cheng Huang,Y. Igarashi,T. Iijima,H. Ikeda,K. Inami,Akimasa Ishikawa,H. Ishino,R. Itoh,G. Iwai,H. Iwasaki,Y. Iwasaki,D. J. Jackson,P. Jalocha,H. K. Jang,M. Jones,H. Kakuno,J. Kaneko,J. H. Kang,N. Katayama,H. Kawai,T. Kawasaki,H. Kichimi,D. W. Kim,Heejong Kim,S. K. Kim,K. Kinoshita,S. Kobayashi,Pavel Krokovny,R. Kulasiri,S. Kumar,A. Kuzmin,Y.-J. Kwon,J. S. Lange,Moo Hyun Lee,S. H. Lee,D. Liventsev,R.-S. Lu,D. Marlow,T. Matsubara,S. Matsumoto,Y. Mikami,K. Miyabayashi,H. Miyake,H. Miyata,G. R. Moloney,S. Mori,T. Mori,A. Murakami,T. Nagamine,Y. Nagasaka,T. Nakadaira,E. Nakano,M. Nakao,J. W. Nam,S. Narita,Shohei Nishida,O. Nitoh,S. Noguchi,T. Nozaki,S. Ogawa,T. Ohshima,T. Okabe,S. Okuno,S. L. Olsen,H. Ozaki,P. Pakhlov,H. Palka,C. S. Park,H. Park,L. S. Peak,M. Peters,L. E. Piilonen,J. L. Rodriguez,N. Root,M. Rozanska,K. Rybicki,J. Ryuko,H. Sagawa,Y. Sakai,H. Sakamoto,M. Satapathy,A. Satpathy,S. Schrenk,S. Semenov,K. Senyo,Martin Sevior,H. Shibuya,B. Shwartz,V. Sidorov,J. B. Singh,S. Stanič,A. Sugi,A. Sugiyama,K. Sumisawa,T. Sumiyoshi,J.-I. Suzuki,K. Suzuki,S. Y. Suzuki,S. K. Swain,H. Tajima,T. Takahashi,F. Takasaki,M. Takita,K. Tamai,N. Tamura,J. Tanaka,M. Tanaka,G. N. Taylor,Y. Teramoto,M. Tomoto,T. Tomura,S. N. Tovey,Karim Trabelsi,T. Tsuboyama,T. Tsukamoto,S. Uehara,K. Ueno,Y. Unno,S. Uno,Y. Ushiroda,Y. Usov,S. E. Vahsen,G. Varner,K. E. Varvell,C. C. Wang,J. G. Wang,M.-Z. Wang,Y. Watanabe,E. Won,B. D. Yabsley,Y. Yamada,M. Yamaga,A. Yamaguchi,H. Yamamoto,Y. Yamashita,M. Yamauchi,S. Yanaka,Masashi Yokoyama,Y. Yusa,H. Yuta,C. C. Zhang,J. Zhang,H. W. Zhao,Y. Zheng,V. Zhilich,D. Zontar;K. Abe;I. Adachi;Byoung Sup Ahn;H. Aihara;M. Akatsu;G. Alimonti;Y. Asano;T. Aso;V. Aulchenko;T. Aushev;A. M. Bakich;W. Bartel;S. Behari;Prafulla Kumar Behera;D. Beiline;A. Bondar;A. Bozek;T. E. Browder;B. C. K. Casey;Pao-Ti Chang;Y. Chao;Kai-Feng Chen;B. G. Cheon;S.-K. Choi;Y. Choi;S. Eidelman;Y. Enari;R. Enomoto;F. Fang;H. Fujii;M. Fukushima;A. Garmash;A. Gordon;K. Gotow;R. Guo;J. Haba;H. Hamasaki;K. Hanagaki;F. Handa;K. Hara;T. Hara;N. C. Hastings;H. Hayashii;M. Hazumi;E. M. Heenan;I. Higuchi;T. Higuchi;H. Hirano;T. Hojo;Y. Hoshi;W.-S. Hou;S.-C. Hsu;Hsuan-Cheng Huang;Y. Igarashi;T. Iijima;H. Ikeda;K. Inami;Akimasa Ishikawa;H. Ishino;R. Itoh;G. Iwai;H. Iwasaki;Y. Iwasaki;D. J. Jackson;P. Jalocha;H. K. Jang;M. Jones;H. Kakuno;J. Kaneko;J. H. Kang;N. Katayama;H. Kawai;T. Kawasaki;H. Kichimi;D. W. Kim;Heejong Kim;S. K. Kim;K. Kinoshita;S. Kobayashi;Pavel Krokovny;R. Kulasiri;S. Kumar;A. Kuzmin;Y.-J. Kwon;J. S. Lange;Moo Hyun Lee;S. H. Lee;D. Liventsev;R.-S. Lu;D. Marlow;T. Matsubara;S. Matsumoto;Y. Mikami;K. Miyabayashi;H. Miyake;H. Miyata;G. R. Moloney;S. Mori;T. Mori;A. Murakami;T. Nagamine;Y. Nagasaka;T. Nakadaira;E. Nakano;M. Nakao;J. W. Nam;S. Narita;Shohei Nishida;O. Nitoh;S. Noguchi;T. Nozaki;S. Ogawa;T. Ohshima;T. Okabe;S. Okuno;S. L. Olsen;H. Ozaki;P. Pakhlov;H. Palka;C. S. Park;H. Park;L. S. Peak;M. Peters;L. E. Piilonen;J. L. Rodriguez;N. Root;M. Rozanska;K. Rybicki;J. Ryuko;H. Sagawa;Y. Sakai;H. Sakamoto;M. Satapathy;A. Satpathy;S. Schrenk;S. Semenov;K. Senyo;Martin Sevior;H. Shibuya;B. Shwartz;V. Sidorov;J. B. Singh;S. Stanič;A. Sugi;A. Sugiyama;K. Sumisawa;T. Sumiyoshi;J.-I. Suzuki;K. Suzuki;S. Y. Suzuki;S. K. Swain;H. Tajima;T. Takahashi;F. Takasaki;M. Takita;K. Tamai;N. Tamura;J. Tanaka;M. Tanaka;G. N. Taylor;Y. Teramoto;M. Tomoto;T. Tomura;S. N. Tovey;Karim Trabelsi;T. Tsuboyama;T. Tsukamoto;S. Uehara;K. Ueno;Y. Unno;S. Uno;Y. Ushiroda;Y. Usov;S. E. Vahsen;G. Varner;K. E. Varvell;C. C. Wang;J. G. Wang;M.-Z. Wang;Y. Watanabe;E. Won;B. D. Yabsley;Y. Yamada;M. Yamaga;A. Yamaguchi;H. Yamamoto;Y. Yamashita;M. Yamauchi;S. Yanaka;Masashi Yokoyama;Y. Yusa;H. Yuta;C. C. Zhang;J. Zhang;H. W. Zhao;Y. Zheng;V. Zhilich;D. Zontar;
physical review letters 2001 Vol. 87 pp. 101801-
183
zontar2001physicalmeasurement

Abstract

We report measurements of the branching fractions for B0→π+π−, K+π−, K+K−, and K0π0 and B+→π+π0, K+π0, K0π+, and K+K¯0, based on 10.4fb−1 of data collected on the ϒ(4S) resonance with the Belle detector. We find B(B0→π+π−)=(0.56−0.20−0.05+0.23+0.04)×10−5, B(B0→K+π−)=(1.93−0.32−0.06+0.34+0.15)×10−5, B(B+→K+π0)=(1.63−0.33−0.18+0.35+0.16)×10−5, B(B+→K0π+)=(1.37−0.48−0.18+0.57+0.19)×10−5, and B(B0→K0π0)=(1.60−0.59−0.27+0.72+0.25)×10−5. We also set upper limits on the branching fractions for B+→π+π0, B0→K+K−, and B+→K+K¯0.

Keywords

data collection resonance confidence level pions b mesons

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DOI:
10.1103/physrevlett.87.101801
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https://sciprofiles.com/publication/view/148ad6625...

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