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Amplitude analysis ...
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Ablikim, M.Inst High Energy Phys, Beijing 100049, Peoples R China
(author)
Amplitude analysis and branching fraction measurement of the decay D+s → K+π+π−
- Article/chapterEnglish2022
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Springer,2022
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LIBRIS-ID:oai:DiVA.org:uu-496142
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-496142URI
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https://doi.org/10.1007/JHEP08(2022)196DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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For complete list of authors see http://dx.doi.org/10.1007/JHEP08(2022)196
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Using 6.32 fb−1 of e+e− collision data collected at the center-of-mass energies between 4.178 and 4.226 GeV with the BESIII detector, we perform an amplitude analysis of the decay D+s → K+π+π− and determine the amplitudes of the various intermediate states. The absolute branching fraction of D+s → K+π+π− is measured to be (6.11 ± 0.18stat. ± 0.11syst.) × 10−3. The branching fractions of the dominant intermediate processes D+s → K+ρ0, ρ0 → π+π− and D+s → K*(892)0π+, K*(892)0 → K+π− are determined to be (1.96 ± 0.19stat. ± 0.23syst.) × 10−3 and (1.85 ± 0.12stat. ± 0.13syst.) × 10−3, respectively. The intermediate resonances f0(500), f0(980), and f0(1370) are observed for the first time in this channel.
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Adlarson, PatrikUppsala universitet,Kärnfysik(Swepub:uu)patad399
(author)
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Johansson, TordUppsala universitet,Kärnfysik(Swepub:uu)tordjoha
(author)
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Kupsc, AndrzejUppsala universitet,Kärnfysik,Natl Ctr Nucl Res, PL-02093 Warsaw, Poland(Swepub:uu)andrkups
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Pettersson, JoachimUppsala universitet,Kärnfysik(Swepub:uu)joape785
(author)
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Schönning, Karin,1978-Uppsala universitet,Kärnfysik(Swepub:uu)kasch734
(author)
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Thorén, ViktorUppsala universitet,Kärnfysik(Swepub:uu)vikth925
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Wolke, MagnusUppsala universitet,Kärnfysik(Swepub:uu)mawol031
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Zou, J. H.Inst High Energy Phys, Beijing 100049, Peoples R China
(author)
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Inst High Energy Phys, Beijing 100049, Peoples R ChinaKärnfysik
(creator_code:org_t)
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In:Journal of High Energy Physics (JHEP): Springer:81126-67081029-8479
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