Institute: MPI für Physik     Collection: YB 2016     Display Documents

ID: 716471.0, MPI für Physik / YB 2016
Study of $D^{**}$ production and light hadronic states in the $\\bar{B}^0 \\to D^{*+} \\omega \\pi^-$ decay
Authors:
Date of Publication (YYYY-MM-DD):2015
Title of Journal:Physical Review D
Journal Abbrev.:Phys.Rev.D
Issue / Number:92
Start Page:012013
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:We report on the first observations of $\\bar{B}^0 \\to D_1(2430)^0 \\omega$, $\\bar{B}^0 \\to D_1(2420)^0 \\omega$ and $\\bar{B}^0 \\to D^*_2(2460)^0 \\omega$ decays. The $\\bar{B}^0 \\to D^{*+} \\rho(1450)^-$ decay is also observed. The branching fraction measurements are based on $(771.6 \\pm 10.6)\\times 10^6$ $B\\bar{B}$ events collected at the $\\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The fractions of longitudinal polarization of the $D^{**}$ states as well as partial wave fractions of the $D_1(2430)^0$ are obtained. We also set a $90\\%$ confidence level upper limit for the product of branching fractions of $\\mathcal{B}(\\bar{B}^0 \\to D^{*+} b_1(1235)^-) \\times \\mathcal{B}(b_1(1235)^- \\to \\omega \\pi^-)$. The measurements show evidence of nontrivial final-state interaction phases for the $\\rho$-like amplitudes.
Classification / Thesaurus:Belle II
Comment of the Author/Creator:29 pages, 12 figures, submitted to Physical Review D
External Publication Status:published
Document Type:Article
Communicated by:MPI für Physik
Affiliations:
Identifiers:
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