Measurements of branching fractions and time-dependent CP violating asymmetries in B-0 -> D-(*D-)+/-(-/+) decays
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F12%3A10127397" target="_blank" >RIV/00216208:11320/12:10127397 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1103/PhysRevD.85.091106" target="_blank" >http://dx.doi.org/10.1103/PhysRevD.85.091106</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevD.85.091106" target="_blank" >10.1103/PhysRevD.85.091106</a>
Alternative languages
Result language
angličtina
Original language name
Measurements of branching fractions and time-dependent CP violating asymmetries in B-0 -> D-(*D-)+/-(-/+) decays
Original language description
We report measurements of branching fractions and time-dependent CP asymmetries in B-0 -> D+D- and B-0 -> D*D-+/-(-/+) decays using a data sample that contains (772 +/- 11) x 10(6)B (B) over bar pairs collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We determine the branching fractions to be B(B-0 -> D+D-) = (2.12 +/- 0.16 +/- 0.18) X 10(-4) and B(B-0 -> D*D-+/-(-/+)) = (6.14 +/- 0.29 +/- 0.50) x 10(-4). We measure CP asymmetry parameters SD+D- =-1.06(-0.14)(+0.21) +/- 0.08 and CD+D- = -0.43 +/- 0.16 +/- 0.05 in B-0 -> D+D- and A(D*D) = +0.06 +/- 0.05 +/- 0.02, S-D*D = -0.78 +/- 0.15 +/- 0.05, C-D*D = -0.01 +/- 0.11 +/- 0.04, +/- Delta S-D*D = -0.13 +/- 0.15 +/- 0.04 and Delta C-D*D = +0.12 +/-0.11 +/- 0.03 in B-0 -> D*D-+/-(-/+), where the first uncertainty is statistical and the second is systematic. We exclude the conservation of CP symmetry in both decays at equal to or greater than 4 sigma significance.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BF - Elementary particle theory and high energy physics
OECD FORD branch
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Result continuities
Project
<a href="/en/project/LA10033" target="_blank" >LA10033: Participation in the Belle a Belle II experiments: study of B-meson decays</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Physical Review D - Particles, Fields, Gravitation and Cosmology
ISSN
1550-7998
e-ISSN
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Volume of the periodical
85
Issue of the periodical within the volume
9
Country of publishing house
US - UNITED STATES
Number of pages
7
Pages from-to
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UT code for WoS article
000304255300001
EID of the result in the Scopus database
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