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Measurement of the absolute branching fraction of D*(s0) (2317)(+/-) -> pi D-0(s)+/-
Inst High Energy Phys, Beijing 100049, Peoples R China.
RAS, SB, BINP, GI Budker Inst Nucl Phys, Novosibirsk 630090, Russia;Novosibirsk State Univ, Novosibirsk 630090, Russia.
Helmholtz Inst Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany.
Bochum Ruhr Univ, D-44780 Bochum, Germany.
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2018 (English)In: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 97, no 5, article id 051103Article in journal (Refereed) Published
Abstract [en]

The process e(+)e(-) -> D*D-+(s)*(s0) (2317)(-) + c.c. is observed for the first time with the data sample of 567 pb(-1) collected with the BESIII detector operating at the BEPCII collider at a center-of-mass energy root s = 4.6 GeV. The statistical significance of the D*(s0) (2317)(+/-) signal is 5.8 sigma and the mass is measured to be (2318.3 +/- 1.2 +/- 1.2) MeV/c(2). The absolute branching fraction B(D*(s0) (2317)(+/-) -> pi D-0(s)+/-) is measured as 1.00(-0.14)(+0.00) (stat)(-0.14)(+0.00) (syst) for the first time. The uncertainties are statistical and systematic, respectively.

Place, publisher, year, edition, pages
American Physical Society, 2018. Vol. 97, no 5, article id 051103
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Subatomic Physics
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URN: urn:nbn:se:uu:diva-354351DOI: 10.1103/PhysRevD.97.051103ISI: 000428240900001OAI: oai:DiVA.org:uu-354351DiVA, id: diva2:1237533
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Swedish Research CouncilAvailable from: 2018-08-09 Created: 2018-08-09 Last updated: 2018-08-09Bibliographically approved

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