Dalitz plot analysis of B[superscript -]-->D[superscript +]pi[superscript -]pi[superscript -]
Name
Aubert-2009-Dalitz plot analysis.pdf
Size
1.02 MB
Format
Adobe PDF
Checksum (MD5)
810e251e0603c7d3603806becde8e9e3
Author(s)
Zhao, M.
Yamamoto, R. K.
Taylor, Frank E.
Spitznagel, M.
Sciolla, Gabriella
Henderson, Shawn Wesley
Dujmic, Denis
Cowan, Ray Franklin
Fisher, Peter H.
Alternative Title
Dalitz plot analysis of B-→D+π-π-
Date Issued
June 2009
Journal
Physical Review D
Publisher
American Physical Society
Citation
BABAR Collaboration et al. “Dalitz plot analysis of B--->D[superscript +] pi[superscript -] pi[superscript -].” Physical Review D 79.11 (2009): 112004. © 2009 American Physical Society.
Version
Final published version
Abstract
We report on a Dalitz plot analysis of B-→D+π-π- decays, based on a sample of about 383×106 Υ(4S)→BB̅ decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We find the total branching fraction of the three-body decay: B(B-→D+π-π-)=(1.08±0.03±0.05)×10-3. We observe the established D2*0 and confirm the existence of D0*0 in their decays to D+π-, where the D2*0 and D0*0 are the 2+ and 0+cu̅ P-wave states, respectively. We measure the masses and widths of D2*0 and D0*0 to be: mD2*0=(2460.4±1.2±1.2±1.9) MeV/c2, ΓD2*0=(41.8±2.5±2.1±2.0) MeV, mD0*0=(2297±8±5±19) MeV/c2, and ΓD0*0=(273±12±17±45) MeV. The stated errors reflect the statistical and systematic uncertainties, and the uncertainty related to the assumed composition of signal events and the theoretical model.
MIT Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Terms of Use
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DOI of Published Version
http://dx.doi.org/10.1103/PhysRevD.79.112004
