eprintid: 1308545 rev_number: 29 eprint_status: archive userid: 608 dir: disk0/01/30/85/45 datestamp: 2011-05-25 22:06:44 lastmod: 2021-09-17 22:24:06 status_changed: 2011-05-25 22:06:44 type: article metadata_visibility: show item_issues_count: 0 creators_name: Lin, SW creators_name: Chang, P creators_name: Abe, K creators_name: Abe, K creators_name: Adachi, I creators_name: Aihara, H creators_name: Anipko, D creators_name: Arinstein, K creators_name: Aulchenko, V creators_name: Aushev, T creators_name: Aziz, T creators_name: Bakich, AM creators_name: Barberio, E creators_name: Bay, A creators_name: Bedny, I creators_name: Belous, K creators_name: Bitenc, U creators_name: Bizjak, I creators_name: Blyth, S creators_name: Bondar, A creators_name: Bozek, A creators_name: Bracko, M creators_name: Chao, Y creators_name: Chen, A creators_name: Chen, KF creators_name: Chen, WT creators_name: Cheon, BG creators_name: Chistov, R creators_name: Choi, SK creators_name: Choi, Y creators_name: Choi, YK creators_name: Dalseno, J creators_name: Dash, M creators_name: Dragic, J creators_name: Eidelman, S creators_name: Fratina, S creators_name: Gabyshev, N creators_name: Gershon, T creators_name: Go, A creators_name: Gokhroo, G creators_name: Golob, B creators_name: Ha, H creators_name: Haba, J creators_name: Hara, T creators_name: Hayasaka, K creators_name: Hayashii, H creators_name: Hazumi, M creators_name: Heffernan, D creators_name: Hoshi, Y creators_name: Hou, S creators_name: Hou, WS creators_name: Hsiung, YB creators_name: Iijima, T creators_name: Ikado, K creators_name: Imoto, A creators_name: Inami, K creators_name: Ishikawa, A creators_name: Ishino, H creators_name: Itoh, R creators_name: Iwasaki, M creators_name: Iwasaki, Y creators_name: Kaji, H creators_name: Kang, JH creators_name: Katayama, N creators_name: Kawai, H creators_name: Kawasaki, T creators_name: Khan, HR creators_name: Kichimi, H creators_name: Kim, YJ creators_name: Kinoshita, K creators_name: Korpar, S creators_name: Krizan, P creators_name: Kulasiri, R creators_name: Kuo, CC creators_name: Kwon, YJ creators_name: Lange, JS creators_name: Lee, J creators_name: Lee, MJ creators_name: Lee, SE creators_name: Lesiak, T creators_name: Limosani, A creators_name: Mandl, F creators_name: Matsumoto, T creators_name: McOnie, S creators_name: Mitaroff, W creators_name: Miabayashi, K creators_name: Miyaki, H creators_name: Miyata, H creators_name: Miyazaki, Y creators_name: Mizuk, R creators_name: Mohapatra, D creators_name: Mori, T creators_name: Nakamura, I creators_name: Nakano, E creators_name: Nakao, M creators_name: Nishida, S creators_name: Nitoh, O creators_name: Noguchi, S creators_name: Nozaki, T creators_name: Ogawa, S creators_name: Ohshima, T creators_name: Okuno, S creators_name: Olsen, SL creators_name: Onuki, Y creators_name: Ozaki, H creators_name: Pakhlov, P creators_name: Pakhlova, G creators_name: Park, CW creators_name: Park, H creators_name: Park, KS creators_name: Pestotnik, R creators_name: Piilonen, LE creators_name: Sahoo, H creators_name: Sakai, Y creators_name: Satoyama, N creators_name: Schietinger, T creators_name: Schneider, O creators_name: Schumann, J creators_name: Schwartz, AJ creators_name: Senyo, K creators_name: Shapkin, M creators_name: Singh, JB creators_name: Sokolov, A creators_name: Somov, A creators_name: Soni, N creators_name: Stanic, S creators_name: Staric, M creators_name: Stoeck, H creators_name: Sumiyoshi, T creators_name: Tajima, O creators_name: Takasaki, F creators_name: Tamai, K creators_name: Tamura, N creators_name: Tanaka, M creators_name: Taylor, GN creators_name: Teramoto, Y creators_name: Tian, XC creators_name: Tikhomirov, I creators_name: Trabelsi, K creators_name: Tsukamoto, T creators_name: Uehara, S creators_name: Uglov, T creators_name: Ueno, K creators_name: Unno, Y creators_name: Uno, S creators_name: Usov, Y creators_name: Varner, G creators_name: Villa, S creators_name: Wang, CC creators_name: Wang, CH creators_name: Wang, MZ creators_name: Watanabe, Y creators_name: Won, E creators_name: Xie, QL creators_name: Yabsley, BD creators_name: Yamaguchi, A creators_name: Yamashita, Y creators_name: Yamauchi, M creators_name: Zhang, CC creators_name: Zhang, LM creators_name: Zhang, ZP creators_name: Zhilich, V creators_name: Zupanc, A title: Observation of B decays to two kaons ispublished: pub divisions: UCL divisions: B04 divisions: C06 keywords: INDUCED CP VIOLATION, BELLE, DETECTOR note: © 2007 The American Physical Society abstract: Using 449x10(6) B(B) over bar pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider, we observe clear signals for B+->(K) over bar K-0(+) and B-0 ->(K) over bar K-0(0) decays with 5.3 sigma and 6.0 sigma significance, respectively. We measure the branching fractions B(B+->(K) over bar K-0(+))=(1.22(-0.28-0.16)(+0.32+0.13))x10(-6) and B(B-0 ->(K) over bar K-0(0))=(0.87(-0.20)(+0.25)+/- 0.09)x10(-6), and partial-rate asymmetries A(CP)(B+->(K) over bar K-0(+))=0.13(-0.24)(+0.23)+/- 0.02 and A(CP)(B-0 ->(K) over bar K-0(0))=-0.58(-0.66)(+0.73)+/- 0.04. From a simultaneous fit, we also obtain B(B+-> K-0 pi(+))=(22.8(-0.7)(+0.8)+/- 1.3)x10(-6) and A(CP)(B+-> K-0 pi(+))=0.03 +/- 0.03 +/- 0.01. The first and second error in the branching fractions and the partial-rate asymmetries are statistical and systematic, respectively. No signal is observed for B-0 -> K+K- decays, and for this branching fraction, we set an upper limit of 4.1x10(-7) at the 90% confidence level. date: 2007-05-04 publisher: AMERICAN PHYSICAL SOC official_url: http://dx.doi.org/10.1103/PhysRevLett.98.181804 vfaculties: VMPS oa_status: green language: eng primo: open primo_central: open_green article_type_text: Article verified: verified_batch elements_source: Web of Science elements_id: 140724 doi: 10.1103/PhysRevLett.98.181804 language_elements: EN lyricists_name: BIZJAK, ILIJA lyricists_id: IBIZJ81 full_text_status: public publication: PHYS REV LETT volume: 98 number: 18 article_number: 181804 issn: 0031-9007 citation: Lin, SW; Chang, P; Abe, K; Abe, K; Adachi, I; Aihara, H; Anipko, D; ... Zupanc, A; + view all <#> Lin, SW; Chang, P; Abe, K; Abe, K; Adachi, I; Aihara, H; Anipko, D; Arinstein, K; Aulchenko, V; Aushev, T; Aziz, T; Bakich, AM; Barberio, E; Bay, A; Bedny, I; Belous, K; Bitenc, U; Bizjak, I; Blyth, S; Bondar, A; Bozek, A; Bracko, M; Chao, Y; Chen, A; Chen, KF; Chen, WT; Cheon, BG; Chistov, R; Choi, SK; Choi, Y; Choi, YK; Dalseno, J; Dash, M; Dragic, J; Eidelman, S; Fratina, S; Gabyshev, N; Gershon, T; Go, A; Gokhroo, G; Golob, B; Ha, H; Haba, J; Hara, T; Hayasaka, K; Hayashii, H; Hazumi, M; Heffernan, D; Hoshi, Y; Hou, S; Hou, WS; Hsiung, YB; Iijima, T; Ikado, K; Imoto, A; Inami, K; Ishikawa, A; Ishino, H; Itoh, R; Iwasaki, M; Iwasaki, Y; Kaji, H; Kang, JH; Katayama, N; Kawai, H; Kawasaki, T; Khan, HR; Kichimi, H; Kim, YJ; Kinoshita, K; Korpar, S; Krizan, P; Kulasiri, R; Kuo, CC; Kwon, YJ; Lange, JS; Lee, J; Lee, MJ; Lee, SE; Lesiak, T; Limosani, A; Mandl, F; Matsumoto, T; McOnie, S; Mitaroff, W; Miabayashi, K; Miyaki, H; Miyata, H; Miyazaki, Y; Mizuk, R; Mohapatra, D; Mori, T; Nakamura, I; Nakano, E; Nakao, M; Nishida, S; Nitoh, O; Noguchi, S; Nozaki, T; Ogawa, S; Ohshima, T; Okuno, S; Olsen, SL; Onuki, Y; Ozaki, H; Pakhlov, P; Pakhlova, G; Park, CW; Park, H; Park, KS; Pestotnik, R; Piilonen, LE; Sahoo, H; Sakai, Y; Satoyama, N; Schietinger, T; Schneider, O; Schumann, J; Schwartz, AJ; Senyo, K; Shapkin, M; Singh, JB; Sokolov, A; Somov, A; Soni, N; Stanic, S; Staric, M; Stoeck, H; Sumiyoshi, T; Tajima, O; Takasaki, F; Tamai, K; Tamura, N; Tanaka, M; Taylor, GN; Teramoto, Y; Tian, XC; Tikhomirov, I; Trabelsi, K; Tsukamoto, T; Uehara, S; Uglov, T; Ueno, K; Unno, Y; Uno, S; Usov, Y; Varner, G; Villa, S; Wang, CC; Wang, CH; Wang, MZ; Watanabe, Y; Won, E; Xie, QL; Yabsley, BD; Yamaguchi, A; Yamashita, Y; Yamauchi, M; Zhang, CC; Zhang, LM; Zhang, ZP; Zhilich, V; Zupanc, A; - view fewer <#> (2007) Observation of B decays to two kaons. PHYS REV LETT , 98 (18) , Article 181804. 10.1103/PhysRevLett.98.181804 <https://doi.org/10.1103/PhysRevLett.98.181804>. Green open access document_url: https://discovery.ucl.ac.uk/id/eprint/1308545/1/1308545.pdf