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Observation of the decayB0ηK*(892
Author(s) -
S. Sato,
Y. Yusa,
G.B. Mohanty,
A. Abdesselam,
I. Adachi,
H. Aihara,
S. Al Said,
D. M. Asner,
T. Aushev,
R. Ayad,
S. Bahinipati,
A. M. Bakich,
V. Bansal,
V. Bhardwaj,
B. Bhuyan,
G. Bonvicini,
A. Bożek,
M. Bračko,
T. E. Browder,
D. Červenkov,
P. Chang,
V. Chekelian,
K. F. Chen,
B. G. Cheon,
K. Chilikin,
K. Cho,
V. Chobanova,
Y. Choi,
D. Cinabro,
J. Dalseno,
M. Danilov,
Z. Doležal,
Z. Drásal,
A. Drutskoy,
S. Eidelman,
H. Farhat,
J. E. Fast,
T. Ferber,
O. Frost,
V. Gaur,
S. Ganguly,
A. Garmash,
R. Gillard,
R. Glattauer,
Y. M. Goh,
B. Golob,
O. Grzymkowska,
K. Hayasaka,
H. Hayashii,
X. H. He,
T. Higuchi,
W.-S. Hou,
M. Huschle,
T. Iijima,
K. Inami,
A. Ishikawa,
R. Itoh,
M. Iwasaki,
I. Jaeglé,
K. K. Joo,
T. Julius,
E. Kato,
T. Kawasaki,
D. Y. Kim,
J. B. Kim,
J. H. Kim,
K. T. Kim,
M. J. Kim,
Y. J. Kim,
K. Kinoshita,
J. Klucar,
B. R. Ko,
P. Kodyš,
S. Korpar,
P. Križan,
P. Krokovny,
T. Kuhr,
T. Kumita,
Y.-J. Kwon,
J. Li,
Y. Li,
J. Libby,
D. Liventsev,
D. Matvienko,
K. Miyabayashi,
H. Miyata,
R. Mizuk,
A. Moll,
E. Nakano,
M. Nakao,
T. Nanut,
Z. Natkaniec,
E. Nedelkovska,
N. K. Nisar,
S. Nishida,
S. Ogawa,
S. Okuno,
P. Pakhlov,
G. Pakhlova,
H. Park,
T. K. Pedlar,
M. Petrič,
L. E. Piilonen,
M. Ritter,
A. Rostomyan,
Y. Sakai,
S. Sandilya,
L. Šantelj,
T. Sanuki,
Y. Sato,
V. Savinov,
O. Schneider,
G. Schnell,
C. Schwanda,
A. J. Schwartz,
D. Semmler,
K. Senyo,
O. Seon,
M. E. Sevior,
V. Shebalin,
C. P. Shen,
T.-A. Shibata,
J.-G. Shiu,
B. Shwartz,
A. Sibidanov,
F. Simon,
Y.-S. Sohn,
A. Sokolov,
E. Solovieva,
M. Starič,
M. Steder,
J. Stypula,
M. Sumihama,
U. Tamponi,
G. Tatishvili,
Y. Teramoto,
F. Thörne,
K. Trabelsi,
M. Uchida,
S. Uehara,
T. Uglov,
Y. Unno,
S. Uno,
C. Van Hulse,
P. Vanhoefer,
G. Varner,
V. Vorobyev,
M. N. Wagner,
Chunhui Wang,
M.-Z. Wang,
P. Wang,
X. L. Wang,
M. Watanabe,
Y. Watanabe,
S. Wehle,
K. M. Williams,
E. Won,
S. Yashchenko,
Y. Yook,
Z. P. Zhang,
V. Zhilich,
V. Zhulanov,
A. Zupanc
Publication year - 2014
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.90.072009
Subject(s) - kekb , physics , particle physics , branching fraction , hadron , electron–positron annihilation , b meson , meson , collider
We report a search for charmless hadronic decays of neutral B mesons to η′K∗(892)0. The results are based on a 711  fb−1 data sample that contains 772×106BB¯ pairs, collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e− collider. We observe the decay for the first time with a significance of 5.0 standard deviations and obtain its branching fraction B[B0→η′K∗(892)0]=[2.6±0.7(stat)±0.2(syst)]×10−6. We also measure the CP-violating asymmetry as ACP[B0→η′K∗(892)0]=−0.22±0.29(stat)±0.07(syst)

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