Dalitz Plot Analysis of B{sup -{yields}}D{sup +{pi}-{pi}-}

Journal Article · Thu Aug 05 04:00:00 EDT 2010 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3483351· OSTI ID:21426412

Karbach, T M ^[1]

---

1. Technische Universitaet Dortmund (Germany)

We present a Dalitz plot analysis of B{sup -{yields}}D{sup +{pi}-{pi}-} decays, based on a sample of about 383 million {Upsilon}(4S){yields}BB-bar decays collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. The analysis has been published previously in [1]. We measure the inclusive branching fraction of the three-body decay to be B(B{sup -{yields}}D{sup +{pi}+{pi}-}) = (1.08{+-}0.03(stat){+-}0.05(syst))x10{sup -3}. We observe the established D{sub 2}*{sup 0} and confirm the existence of D{sub 0}*{sup 0} in their decays to D{sup +{pi}-}, where the D{sub 2}*{sup 0} and D{sub 0}*{sup 0} are the 2{sup +} and 0{sup +} cu-bar P-wave states, respectively. We measure the masses and widths of D{sub 2}*{sup 0} and {Gamma}D{sub 0}*{sup 0} to be: mD{sub 2}* = (2460.4{+-}1.2{+-}1.2{+-}1.9) MeV/c{sup 2}, {Gamma}D{sub 2}* = (41.8{+-}2.5{+-}2.1{+-}2.0) MeV, mD{sub 0}* = (2297{+-}8{+-}5{+-}19) MeV/c{sup 2}, {Gamma}D{sub 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.

• OSTI ID: 21426412
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1257; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BOSONS
BRANCHING RATIO
CALCULATION METHODS
CHARM PARTICLES
CHARMED MESONS
COMPOSITE MODELS
D MESONS
D*-2010 MESONS
DALITZ PLOT
DECAY
DIAGRAMS
DIMENSIONLESS NUMBERS
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
HADRONS
INFORMATION
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
MANY-BODY PROBLEM
MASS
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MESON FACTORIES
MESONS
MEV RANGE
MONTE CARLO METHOD
MULTIPARTICLE SPECTROMETERS
P WAVES
PARTIAL WAVES
PARTICLE DECAY
PARTICLE IDENTIFICATION
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PROPERTIES
PARTICLE WIDTHS
PEP STORAGE RINGS
PIONS
PIONS MINUS
PIONS PLUS
PSEUDOSCALAR MESONS
QUARK MODEL
REST MASS
SCATTERPLOTS
SPECTROMETERS
STORAGE RINGS
THREE-BODY PROBLEM
VECTOR MESONS