Measurement of the branching fractions forB0→Ds*+π−andB0 | Zendy

N. J. Joshi | Zendy; T. Aziz | Zendy; K. Trabelsi | Zendy; I. Adachi | Zendy; H. Aihara | Zendy; K. Arinstein | Zendy; V. Aulchenko | Zendy; T. Aushev | Zendy; A. M. Bakich | Zendy; V. Balagura | Zendy; E. L. Barberio | Zendy; A. Bay | Zendy; K. Belous | Zendy; V. Bhardwaj | Zendy; M. Bischofberger | Zendy; A. Bondar | Zendy; A. Bożek | Zendy; M. Bračko | Zendy; T. E. Browder | Zendy; M.-C. Chang | Zendy; P. Chang | Zendy; Y. Chao | Zendy; K. F. Chen | Zendy; P. Chen | Zendy; B. G. Cheon | Zendy; I.-S. Cho | Zendy; Y. Choi | Zendy; J. Dalseno | Zendy; Anirban Das | Zendy; Z. Doležal | Zendy; Z. Drásal | Zendy; A. Drutskoy | Zendy; S. Eidelman | Zendy; N. Gabyshev | Zendy; P. Goldenzweig | Zendy; B. Golob | Zendy; H. Ha | Zendy; J. Haba | Zendy; B.-Y. Han | Zendy; K. Hayasaka | Zendy; H. Hayashii | Zendy; M. Hazumi | Zendy; Y. Horii | Zendy; Y. Hoshi | Zendy; W.-S. Hou | Zendy; Y. Hsiung | Zendy; H. J. Hyun | Zendy; T. Iijima | Zendy; K. Inami | Zendy; R. Itoh | Zendy; M. Iwabuchi | Zendy; M. Iwasaki | Zendy; T. Julius | Zendy; J. H. Kang | Zendy; T. Kawasaki | Zendy; H. J. Kim | Zendy; H. O. Kim | Zendy; J. H. Kim | Zendy; S. K. Kim | Zendy; Y. I. Kim | Zendy; Y. J. Kim | Zendy; K. Kinoshita | Zendy; B. R. Ko | Zendy; P. Kodyš | Zendy; M. Kreps | Zendy; P. Križan | Zendy; P. Krokovny | Zendy; T. Kuhr | Zendy; A. Kuzmin | Zendy; Y.-J. Kwon | Zendy; S.-H. Kyeong | Zendy; M. J. Lee | Zendy; Soohyung Lee | Zendy; J. Li | Zendy; Cheng Liu | Zendy; Y. Liu | Zendy; D. Liventsev | Zendy; R. Louvot | Zendy; A. Matyja | Zendy; S. McOnie | Zendy; K. Miyabayashi | Zendy; Y. Miyazaki | Zendy; R. Mizuk | Zendy; T. Mori | Zendy; E. Nakano | Zendy; M. Nakao | Zendy; Z. Natkaniec | Zendy; S. Neubauer | Zendy; S. Nishida | Zendy; K. Nishimura | Zendy; O. Nitoh | Zendy; S. Ogawa | Zendy; T. Ohshima | Zendy; S. Okuno | Zendy; S. L. Olsen | Zendy; G. Pakhlova | Zendy; C. W. Park | Zendy; H. Park | Zendy; M. Petrič | Zendy; L. E. Piilonen | Zendy; A. Poluektov | Zendy; S. Ryu | Zendy; H. Sahoo | Zendy; Kenichi Sakai | Zendy; Y. Sakai | Zendy; O. Schneider | Zendy; C. Schwanda | Zendy; A. J. Schwartz | Zendy; K. Senyo | Zendy; M. E. Sevior | Zendy; M. Shapkin | Zendy; C. P. Shen | Zendy; J.-G. Shiu | Zendy; B. Shwartz | Zendy; J. B. Singh | Zendy; P. Smerkol | Zendy; A. Sokolov | Zendy; E. Solovieva | Zendy; S. Stanič | Zendy; M. Starič | Zendy; J. Stypula | Zendy; T. Sumiyoshi | Zendy; G. N. Taylor | Zendy; Y. Teramoto | Zendy; S. Uehara | Zendy; Y. Unno | Zendy; S. Uno | Zendy; Y. Usov | Zendy; G. Varner | Zendy; K. E. Varvell | Zendy; K. Vervink | Zendy; C. Wang | Zendy; M.-Z. Wang | Zendy; P. Wang | Zendy; X. L. Wang | Zendy; Y. Watanabe | Zendy; R. Wedd | Zendy; J. Wiechczynski | Zendy; E. Won | Zendy; B. Yabsley | Zendy; Y. Yamashita | Zendy; M. Yamauchi | Zendy; C. C. Zhang | Zendy; Z. P. Zhang | Zendy; V. Zhilich | Zendy; T. Živko | Zendy; A. Zupanc | Zendy; O. Zyukova | Zendy

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Measurement of the branching fractions forB0→Ds*+π−andB0

Author(s) -

N. J. Joshi,

T. Aziz,

K. Trabelsi,

I. Adachi,

H. Aihara,

K. Arinstein,

V. Aulchenko,

T. Aushev,

A. M. Bakich,

V. Balagura,

E. L. Barberio,

A. Bay,

K. Belous,

V. Bhardwaj,

M. Bischofberger,

A. Bondar,

A. Bożek,

M. Bračko,

T. E. Browder,

M.-C. Chang,

P. Chang,

Y. Chao,

K. F. Chen,

P. Chen,

B. G. Cheon,

I.-S. Cho,

Y. Choi,

J. Dalseno,

Anirban Das,

Z. Doležal,

Z. Drásal,

A. Drutskoy,

S. Eidelman,

N. Gabyshev,

P. Goldenzweig,

B. Golob,

H. Ha,

J. Haba,

B.-Y. Han,

K. Hayasaka,

H. Hayashii,

M. Hazumi,

Y. Horii,

Y. Hoshi,

W.-S. Hou,

Y. Hsiung,

H. J. Hyun,

T. Iijima,

K. Inami,

R. Itoh,

M. Iwabuchi,

M. Iwasaki,

T. Julius,

J. H. Kang,

T. Kawasaki,

H. J. Kim,

H. O. Kim,

J. H. Kim,

S. K. Kim,

Y. I. Kim,

Y. J. Kim,

K. Kinoshita,

B. R. Ko,

P. Kodyš,

M. Kreps,

P. Križan,

P. Krokovny,

T. Kuhr,

A. Kuzmin,

Y.-J. Kwon,

S.-H. Kyeong,

M. J. Lee,

Soohyung Lee,

J. Li,

Cheng Liu,

Y. Liu,

D. Liventsev,

R. Louvot,

A. Matyja,

S. McOnie,

K. Miyabayashi,

Y. Miyazaki,

R. Mizuk,

T. Mori,

E. Nakano,

M. Nakao,

Z. Natkaniec,

S. Neubauer,

S. Nishida,

K. Nishimura,

O. Nitoh,

S. Ogawa,

T. Ohshima,

S. Okuno,

S. L. Olsen,

G. Pakhlova,

C. W. Park,

H. Park,

M. Petrič,

L. E. Piilonen,

A. Poluektov,

S. Ryu,

H. Sahoo,

Kenichi Sakai,

Y. Sakai,

O. Schneider,

C. Schwanda,

A. J. Schwartz,

K. Senyo,

M. E. Sevior,

M. Shapkin,

C. P. Shen,

J.-G. Shiu,

B. Shwartz,

J. B. Singh,

P. Smerkol,

A. Sokolov,

E. Solovieva,

S. Stanič,

M. Starič,

J. Stypula,

T. Sumiyoshi,

G. N. Taylor,

Y. Teramoto,

S. Uehara,

Y. Unno,

S. Uno,

Y. Usov,

G. Varner,

K. E. Varvell,

K. Vervink,

C. Wang,

M.-Z. Wang,

P. Wang,

X. L. Wang,

Y. Watanabe,

R. Wedd,

J. Wiechczynski,

E. Won,

B. Yabsley,

Y. Yamashita,

M. Yamauchi,

C. C. Zhang,

Z. P. Zhang,

V. Zhilich,

T. Živko,

A. Zupanc,

O. Zyukova

Publication year - 2010

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d, particles, fields, gravitation, and cosmology

Language(s) - English

Resource type - Journals

eISSN - 1550-7998

pISSN - 1550-2368

DOI - 10.1103/physrevd.81.031101

Subject(s) - physics , kekb , branching fraction , particle physics , electron–positron annihilation , energy (signal processing) , hadron , collider , quantum mechanics

We present a study of B0→Ds*+π- and B0→Ds*-K+ decays based on a sample of 657×106 BB̄ events collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure the branching fractions to be B(B0→Ds*+π-)=(1.75±0.34(stat)±0.17(syst) ±0.11(B))×10-5 and B(B0→Ds*-K +)=(2.02±0.33(stat)±0.18(syst)±0.13(B)) ×10-5, with significances of 6.1 and 8.0 standard deviations, respectively. The first uncertainty is statistical, the second is due to the experimental systematics, and the third is from uncertainties in the Ds+ decay branching fractions. From our measurements, we obtain the most precise determination so far of RD*π, where RD*π is the ratio between amplitudes of the doubly Cabibbo-suppressed decay B0→D*+π- and the Cabibbo-favored B0→D*-π+ decay

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