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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents



ID: 544688.0, MPI für Physik / MPI für Physik
Observation of B_s0->D_s*- pi+, B_s0->D_s(*)- rho+ Decays and Measurement of B_s0->D_s*- rho+ Polarization
Authors:Louvot, R.; Schneider, O.; Aushev, T.; et al.
Date of Publication (YYYY-MM-DD):2010
Title of Journal:Physical Review Letters
Journal Abbrev.:Phys.Rev.Lett.
Issue / Number:104
Start Page:231801
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:First observations of the B_s0->D_s*- pi+, B_s0->D_s- rho+ and B_s0->D_s*- rho+ decays are reported together with measurements of their branching fractions: B(B_s0->D_s*- pi+)=(2.4 +0.5-0.4(stat.) +-0.3(syst.) +-0.4(fs))x10^(-3), B(Bs->D_s- rho+)=(8.5 +1.3-1.2(stat.) +-1.1(syst.) +-1.3(fs))x10^(-3) and B(Bs->D_s*- rho+)=(11.8 +2.2-2.0(stat.) +-1.7(syst.) +-1.8(fs))x10^(-3) (f_s=N(B_s(*)B_s(*)-bar)/N(b b-bar)). From helicity-angle distributions, we measured the longitudinal polarization fraction in B_s0->D_s*- rho+ decays to be f_L(Bs->D_s*- rho+)=1.05 +0.08-0.10(stat.) +0.03-0.04(syst.). These results are based on a 23.6 /fb data sample collected at the Y(5S) resonance with the Belle detector at the KEKB e+e- collider.
Classification / Thesaurus:Belle II
Comment of the Author/Creator:6 pages, 2 figures; submitted to Phys. Rev. Lett.
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2010-214
URL:http://www.slac.stanford.edu/spires/find/hep/www?r...
URL:http://arXiv.org/abs/arxiv:1003.5312
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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