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Amplitude analysis of the Ds+→ π−π+π+ decay

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  • معلومة اضافية
    • Contributors:
      Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudin??n, F.; Ackernley, T.; Adeva, B.; Adinolfi, M.; Adlarson, P.; Afsharnia, H.; Agapopoulou, C.; Aidala, C. A.; Ajaltouni, Z.; Akar, S.; Akiba, K.; Albrecht, J.; Alessio, F.; Alexander, M.; Alfonso Albero, A.; Aliouche, Z.; Alvarez Cartelle, P.; Amalric, R.; Amato, S.; Amey, J. L.; Amhis, Y.; An, L.; Anderlini, L.; Andersson, M.; Andreianov, A.; Andreotti, M.; Andreou, D.; Ao, D.; Archilli, F.; Artamonov, A.; Artuso, M.; Aslanides, E.; Atzeni, M.; Audurier, B.; Bachmann, S.; Bachmayer, M.; Back, J. J.; Bailly-reyre, A.; Baladron Rodriguez, P.; Balagura, V.; Baldini, W.; Baptista de Souza Leite, J.; Barbetti, M.; Barlow, R. J.; Barsuk, S.; Barter, W.; Bartolini, M.; Baryshnikov, F.; Basels, J. M.; Bassi, G.; Batsukh, B.; Battig, A.; Bay, A.; Beck, A.; Becker, M.; Bedeschi, F.; Bediaga, I. B.; Beiter, A.; Belavin, V.; Belin, S.; Bellee, V.; Belous, K.; Belov, I.; Belyaev, I.; Benane, G.; Bencivenni, G.; Ben-Haim, E.; Berezhnoy, A.; Bernet, R.; Bernet Andres, S.; Berninghoff, D.; Bernstein, H. C.; Bertella, C.; Bertolin, A.; Betancourt, C.; Betti, F.; Bezshyiko, Ia.; Bhasin, S.; Bhom, J.; Bian, L.; Bieker, M. S.; Biesuz, N. V.; Bifani, S.; Billoir, P.; Biolchini, A.; Birch, M.; Bishop, F. C. R.; Bitadze, A.; Bizzeti, A.; Blago, M. P.; Blake, T.; Blanc, F.; Blank, J. E.; Blusk, S.; Bobulska, D.; Boelhauve, J. A.; Boente Garcia, O.
    • الموضوع:
      2023
    • Collection:
      Università degli Studi di Cagliari: UNICA IRIS
    • نبذة مختصرة :
      A Dalitz plot analysis of the Ds+ → π − π + π + decay is presented. The analysis is based on proton-proton collision data recorded by the LHCb experiment at a centre-of-mass energy of 8 TeV and corresponding to an integrated luminosity of 1.5 fb −1. The resonant structure of the decay is obtained using a quasi-model-independent partial-wave analysis, in which the π + π − S-wave amplitude is parameterised as a generic complex function determined by a fit to the data. The S-wave component is found to be dominant, followed by the contribution from spin-2 resonances and a small contribution from spin-1 resonances. The latter includes the first observation of the Ds+ → ω(782)π + channel in the Ds+ → π − π + π + decay. The resonant structures of the Ds+ → π − π + π + and D + → π − π + π + decays are compared, providing information about the mechanisms for the hadron formation in these decays.
    • Relation:
      info:eu-repo/semantics/altIdentifier/wos/WOS:001061827700001; volume:2023; issue:7; journal:JOURNAL OF HIGH ENERGY PHYSICS; https://hdl.handle.net/11584/386341; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85175113387; https://link.springer.com/article/10.1007/JHEP07(2023)204
    • الرقم المعرف:
      10.1007/jhep07(2023)204
    • الرقم المعرف:
      10.1007/JHEP07(2023)204
    • Rights:
      info:eu-repo/semantics/openAccess
    • الرقم المعرف:
      edsbas.4E69D2DE