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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

Publisher, publication year, extent ...

  • Springer,2022
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-496142
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-496142URI
  • https://doi.org/10.1007/JHEP08(2022)196DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • For complete list of authors see http://dx.doi.org/10.1007/JHEP08(2022)196
  • 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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Added entries (persons, corporate bodies, meetings, titles ...)

  • Adlarson, PatrikUppsala universitet,Kärnfysik(Swepub:uu)patad399 (author)
  • Johansson, TordUppsala universitet,Kärnfysik(Swepub:uu)tordjoha (author)
  • Kupsc, AndrzejUppsala universitet,Kärnfysik,Natl Ctr Nucl Res, PL-02093 Warsaw, Poland(Swepub:uu)andrkups (author)
  • Pettersson, JoachimUppsala universitet,Kärnfysik(Swepub:uu)joape785 (author)
  • Schönning, Karin,1978-Uppsala universitet,Kärnfysik(Swepub:uu)kasch734 (author)
  • Thorén, ViktorUppsala universitet,Kärnfysik(Swepub:uu)vikth925 (author)
  • Wolke, MagnusUppsala universitet,Kärnfysik(Swepub:uu)mawol031 (author)
  • Zou, J. H.Inst High Energy Phys, Beijing 100049, Peoples R China (author)
  • Inst High Energy Phys, Beijing 100049, Peoples R ChinaKärnfysik (creator_code:org_t)

Related titles

  • In:Journal of High Energy Physics (JHEP): Springer:81126-67081029-8479

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