Study of Resonances in Exclusive B Decays to Dbar(*)D(*)K

Abstract

We present a study of resonances in exclusive decays of $B$ mesons to ${\bar{D}}^{(\ast )}{D}^{(\ast )}K$. We report the observation of the decays $B \to \Dbar^{(*)} D^+_{s1}(2536)$ where the $D_{s1}^{+}(2536)$ is reconstructed in the $D^{\ast 0}{K}^{+}$ and $D^{\ast +}{K}_S^0$ decay channels. We report also the observation of the decays $B\to \psi (3770)K$ where the $\psi (3770)$ decays to $\Dbar^0 D^0$ and $D^{-}{D}^{+}$. In addition, we present the observation of an enhancement for the $\Dbar^{*0} D^0$ invariant mass in the decays $B \to \Dbar^{*0} D^0 K$, at a mass of $(3875.1{}_{-0.5}^{+0.7}\pm 0.5)$ MeV/$c^2$ with a width of $(3.0{}_{-1.4}^{+1.9}\pm 0.9)$ MeV (the first errors are statistical and the second are systematic). Branching fractions and spin studies are shown for the three resonances. The results are based on 347 fb${}^{-1}$ of data collected with the BaBar detector at the PEP-II $B$ factory.

8 pages, 2 figures; submitted to Phys. Rev. D (Rapid Communications); v2 corrects treatment of errors on X(3872) mass and width

References in corpus (23)

• Big-Bang nucleosynthesis (Particle Data Group mini-review)
• The Cosmological Parameters 2006
• Observation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays
• Observation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays
• The BABAR Detector
• Diquark-Antidiquarks with Hidden or Open Charm and the Nature of X(3872)
• Limits and Confidence Intervals in the Presence of Nuisance Parameters
• Observation of the Narrow State $X(3872)\to J/\psi {\pi }^{+}{\pi }^{-}$ in $\bar{p}p$ Collisions at $\sqrt{s}=1.96 \TeV$
• The New Heavy Mesons: A Status Report
• Observation and Properties of the X(3872) Decaying to J/psi pi+ pi- in p-p(bar) Collisions at sqrt(s) = 1.96 TeV
• Isospin breaking of the narrow charmonium state of Belle at 3872 MeV as a deuson
• Study of the B- --> J/psi K- pi+ pi- Decay and Measurement of the B- --> X(3872) K- Branching Fraction
• The D*0 D0bar threshold resonance
• Observation of a Near-threshold $D^0{\bar{D}}^0{\pi }^0$ Enhancement in $B\to D^0{\bar{D}}^0{\pi }^{0}K$ Decay
• Measurement of the Dipion Mass Spectrum in X(3872) -> J/Psi Pi+ Pi- Decays
• Is X(3872) a possible candidate of hybrid meson
• Measurements of the braching fractions for psi(3770)--> D0D0-bar,D+D-,DD-bar$ and the resonance parameters of psi(3770) and psi(2S)
• Exclusive Production of the X(3872) in B Meson Decay
• A Precision Determination of the D^0 Mass
• Observation of B+ -> psi(3770) K+
• An Alternative Interpretation of X(3872)
• Measurement of the Branching Fractions for the Exclusive Decays of B^0 and B^+ to Dbar^(*)D^(*)K
• Measurement of the Branching Fraction and Time-Dependent CP Asymmetry in the Decay B0->D*+D*-Ks

Cited by in corpus (100)

• Heavy quarkonium: progress, puzzles, and opportunities
• Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of summer 2016
• The hidden-charm pentaquark and tetraquark states
• The $XYZ$ states: experimental and theoretical status and perspectives
• Multiquark Resonances
• Non-Standard Heavy Mesons and Baryons, an Experimental Review
• Heavy-Quark QCD Exotica
• Exotics: Heavy Pentaquarks and Tetraquarks
• QCD and strongly coupled gauge theories: challenges and perspectives
• A review of the open charm and open bottom systems
• Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of 2018
• Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of 2021
• New Charmonium States in QCD Sum Rules: a Concise Review
• Exotic Hadrons with Heavy Flavors -X, Y, Z and Related States-
• Higher Charmonia and X,Y,Z states with Screened Potential
• The Exotic XYZ Charmonium-like Mesons
• Multiquark States
• Four-Quark Hadrons: an Updated Review
• Evidence for the decay X(3872) --> J/psi omega
• An overview of $XYZ$ new particles
• Observation of Y(3940) -> J/psi omega in B -> J/psi omega K at BABAR
• Study of the $B\to X(3872)(\to D^{\ast 0}{\bar{D}}^0)K$ decay
• A study of B->X(3872) K, with X(3872)->J/Psi pi+ pi-
• Precision Measurement of the X(3872) Mass in J/psi pi+ pi- Decays
• Charmed-strange mesons revisited: mass spectra and strong decays
• Quark structure of the $X(3872)$ and ${\chi }_b(3P)$ resonances
• Constituent quark model description of charmonium phenomenology
• A New Hadron Spectroscopy
• Heavy hadronic molecules with pion exchange and quark core couplings: a guide for practitioners
• Three-body $D\bar{D}\pi$ dynamics for the X(3872)
• Different pole structures in line shapes of the $X(3872)$
• Nature of X(3872) from data
• How Resonances can synchronise with Thresholds
• Selected Science Opportunities for the EicC
• Quark model description of the tetraquark state X(3872) in a relativistic constituent quark model with infrared confinement
• Ambiversion of X(3872)
• Hadronic molecules in B decays
• X(3872) in the molecular model
• Scattering of an Ultrasoft Pion and the X(3872)
• Remarks on the quantum numbers of X(3872) from the invariant mass distributions of the rho J/psi and omega J/psi final states
• Hadronic effects on the X(3872) meson abundance in heavy ion collisions
• Analysis of J/psi pi+ pi- and D0 D0-bar pi0 Decays of the X(3872)
• The 2^-+ assignment for the X(3872)
• Using Line Shapes to Discriminate between Binding Mechanisms for the X(3872)
• Strong decays of higher charmonium states into open-charm meson pairs
• Observation of the decay $X(3872)\to {\pi }^0{\chi }_{c1}(1P)$
• A Phenomenological analysis on isospin-violating decay of $X(3872)$
• A Refined Analysis on the $X(3872)$ Resonance
• Dalitz plot analyses of $B^0\to D^{-}{D}^0{K}^{+}$ and $B^{+}\to {\overline{D}}^0{D}^0{K}^{+}$ decays
• Determination of the absolute branching fractions of X(3872) decays
• X(3872) as a 1D2 charmonium state
• Measurement of ψ(3770) parameters
• Search for muoproduction of $X(3872)$ at COMPASS and indication of a new state $\tilde{X}(3872)$
• Measurements of the Absolute Branching Fractions of $B^{\pm }\to K^{\pm }{X}_{c\bar{c}}$
• Resonances in QCD
• Line Shapes of the Z(4430)
• Mass Predictions for Pseudoscalar $J^{PC}=0^{-+}$ Charmonium and Bottomonium Hybrids in QCD Sum-Rules
• Measurement of the B -> Dbar(*)D(*)K branching fractions
• Direct X(3872) production in e+e- collisions
• An Estimate of the Partial Width for X(3872) into p p-bar
• Observation of $X(3872)$ in $B\to X(3872)K\pi$ decays
• Comprehending Isospin breaking effects of $X(3872)$ in a Friedrichs-model-like scheme
• How to identify the structure of near-threshold states from the line shape
• Where are ${\chi }_{cJ}(3P)$?
• Threshold Effects and the Line Shape of the X(3872) in Effective Field Theory
• Nonleptonic $B\to D^{(\ast )}{D}_{sJ}^{(\ast )}$ decays and the nature of the orbitally excited charmed-strange mesons
• Measurement of branching fractions for B \to J/ψηK decays and search for a narrow resonance in the J/ψηfinal state
• Study of the lineshape of $X(3872)$ using $B$ decays to $D^0\overline{D}{}^{\ast 0}K$
• Long-Distance Contribution to ΔΓs/Γs of the $B_s-{\bar{B}}_s$ System
• A Simple Explanation for the X(3872) Mass Shift Observed for Decay to D^{*0} {D^0}bar
• $XYZ$ particles at Belle
• Semi-inclusive lepto-production of hidden-charm exotic hadrons
• Possible hadronic molecular states composed of $S$-wave heavy-light mesons
• Search for Resonant $B^{\pm }\to K^{\pm }h\to K^{\pm }\gamma \gamma$ Decays at Belle
• Study of the decays B->D_s1(2536)+ anti-D(*)
• Identifying Hadronic Molecular States with a Neural Network
• First observation of the $B^{+}\to D_s^{+}{D}_s^{-}{K}^{+}$ decay
• Charge asymmetry in decays $B\to D\bar{D}K$
• Decay properties of the $X(3872)$ through the Fierz rearrangement
• Search for $C=+$ charmonium and XYZ states in $e^{+}{e}^{-}\to \gamma +H$ at BESIII
• Search for the decay ${\chi }_{c1}(3872)\to {\pi }^{+}{\pi }^{-}{\chi }_{c1}$
• New Experiments with Antiprotons
• Search for $X(3872)\to {\pi }^0{\chi }_{c0}$ and $X(3872)\to \pi \pi {\chi }_{c0}$ at BESIII
• A precise isospin analysis of B -> Dbar(*) D(*) K decays
• Electronic width of the $\psi (3770)$ resonance interfering with the background
• Study of $e^{+}{e}^{-}\to \omega X(3872)$ and $\gamma X(3872)$ from 4.66 to 4.95 GeV
• Novel correlated $D^0\overline{D}{}^0$ systems for $c/b$ physics and tests of $T/CPT$
• Search for the radiative transition ${\chi }_{c1}(3872)\to \gamma {\psi }_2(3823)$
• Exotic c c-bar Mesons
• Two nearby states in the $X(3872)$ region: Resolving the radiative-decay ratio tension with ${\eta }_{c2}$
• Production of hidden-heavy and double-heavy hadronic molecules at the $Z$ factory of CEPC
• Hidden and open charm at Belle (and elsewhere)
• Heavy Quarkonium Spectroscopy
• Search for the $e^{+}{e}^{-}\to \varphi {\chi }_{c1}(3872)$ process at BESIII
• Searches for, and Properties of, New Charmonium-like States
• First measurement of the Q^2 distribution of X(3915) single-tag two-photon production
• Charmonium spectroscopy at BABAR
• Signatures of Exotic Hadrons
• On the origin of the narrow peak and the isospin symmetry breaking of the $X$(3872)
• Search for the decays $X(3872)\to K_S^0{K}^{\pm }{\pi }^{\mp }$ and $K^{\ast }(892)\bar{K}$ at BESIII