Observation of the color-suppressed decay B( 0)-->D(0)pi(0).

Abe K,Abe R,Adachi I,Ahn Byoung Sup,Aihara H,Akatsu M,Asano Y,Aso T,Aulchenko V,Aushev T,Bakich A M,Banas E,Behari S, Behera P K,Bondar A,Bozek A,Browder T E,Casey B C K,Chang P,Chao Y,Chen K F,Cheon B G,Chistov R,Choi S-K,Choi Y,Dong L Y,Dragic J,Drutskoy A,Eidelman S,Enari Y,Fang F,Fujii H,Fukushima M,Gabyshev N,Garmash A,Gershon T,Gordon A,Gotow K,Guo R,Haba J,Hamasaki H,Handa F,Hara K,Hara T,Hastings N C,Hayashii H,Hazumi M,Heenan E M,Higuchi I,Higuchi T,Hirano H,Hojo T,Hokuue T,Hoshina K,Hou S R,Hou W-S,Hsu S-C,Huang H-C,Igarashi Y,Iijima T,Ikeda H,Inami K,Ishikawa A,Ishino H,Itoh R,Iwasaki H,Iwasaki Y,Jackson D J,Jang H K,Kakuno H,Kaneko J,Kang J H,Kang J S,Kapusta P,Katayama N,Kawai H,Kawamura N,Kawasaki T,Kichimi H,Kim D W, Kim Heejong,Kim H J,Kim H O,Kim Hyunwoo,Kim S K,Kim T H,Kinoshita K,Kobayashi S,Konishi H,Krokovny P,Kulasiri R,Kumar S,Kuzmin A,Kwon Y-J,Lange J S,Lee S H,Liventsev D,Lu R-S,Matsubara T,Matsumoto S,Matsumoto T,Mikami Y,Miyabayashi K,Miyake H,Miyata H,Moloney G R,Moorhead G F,Mori S,Mori T,Murakami A,Nagamine T,Nagasaka Y,Nagashima Y,Nakadaira T,Nakano E,Nakao M,Nam J W,Natkaniec Z,Neichi K,Nishida S,Nitoh O,Noguchi S,Nozaki T,Ogawa S,Ohshima T,Okabe T,Okuno S,Olsen S L,Ostrowicz W,Ozaki H,Pakhlov P,Palka H,Park C S,Park C W,Park H,Park K S,Peak L S,Peters M,Piilonen L E,Rodriguez J L,Root N,Rozanska M,Rybicki K,Ryuko J,Sagawa H,Sakai Y,Sakamoto H,Satapathy M,Satpathy A,Schrenk S,Semenov S,Senyo K,Sevior M E,Shibuya H,Shwartz B,Sidorov A,Stanic S,Sugi A,Sugiyama A,Sumisawa K,Sumiyoshi T,Suzuki K,Suzuki S,Suzuki S Y,Swain S K,Takahashi T,Takasaki F,Takita M,Tamai K,Tamura N,Tanaka J,Tanaka M,Tanaka Y,Taylor G N,Teramoto Y,Tomoto M,Tomura T,Tovey S N,Trabelsi K,Tsuboyama T,Tsukamoto T,Uehara S,Ueno K,Unno Y,Uno S,Ushiroda Y,Varvell K E, Wang C C,Wang C H,Wang J G,Wang M-Z,Watanabe Y,Won E,Yabsley B D,Yamada Y,Yamaga M,Yamaguchi A,Yamamoto H,Yamashita Y,Yamauchi M, Yanaka S,Yashima J,Yokoyama M,Yoshida K,Yuan Y,Yusa Y,Zhang C C,Zhang J,Zheng Y,Zhilich V,Zontar D, Null Null

Physical review letters（2002）

Cited 23|Views10

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Abstract

We report the first observation of color-suppressed B( 0)-->D(0)pi(0), D(*0)pi(0), D0eta, and D0omega decays, and evidence for B( 0)-->D(*0)eta and D(*0)omega. The branching fractions are B(B( 0)-->D0pi(0)) = (3.1 +/- 0.4 +/- 0.5)x10(-4), B(B( 0) -->D(*0)pi(0)) = (2.7(+0.8+0.5)(-0.7-0.6))x10(-4), B(B( 0) --> D0eta) = (1.4(+0.5)(-0.4) +/- 0.3)x10(-4), B(B( 0) --> D0omega) = (1.8 +/- 0.5(+0.4)(-0.3))x10(-4), and we set 90% confidence level upper limits of B(B( 0) --> D(*0)eta)<4.6 x 10(-4) and B(B( 0)-->D(*0)omega)<7.9 x 10(-4). The analysis is based on a data sample of 21.3 fb(-1) collected at the Upsilon(4S) resonance by the Belle detector at the KEKB e(+)e(-) collider.

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